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A43/A44 User Manual

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1. Byte No Size Value Description 161 1 FF VIFE next byte is manufacturer specific 162 1 83 VIFE L3 163 1 XX VIFE status 164 169 6 XXXXXXXXXXXX Active exported energy L3 170 1 8E DIF size 12 digit BCD 171 1 co DIFE Unit bit 0 172 1 40 DIFE Unit bit 1 unit bit0 1 gt unit 3 173 1 84 VIF for units kvarh with resolution 0 01 kvarh 174 1 FF VIFE next byte is manufacturer specific 175 1 81 VIFE L1 176 1 XX VIFE status 177 182 6 XXXXXXXXXXXX Reactive exported energy L1 183 1 8E DIF size 12 digit BCD 184 1 co DIFE Unit bit 0 185 1 40 DIFE Unit bit 1 unit bitO 1 gt unit 3 186 1 84 VIF for units kvarh with resolution 0 01 kvarh 187 1 FF VIFE next byte is manufacturer specific 188 1 82 VIFE L2 189 1 XX VIFE status 190 195 6 XXXXXXXXXXXX Reactive exported energy L2 196 1 8E DIF size 12 digit BCD 197 1 co DIFE Unit bit 0 198 1 40 DIFE Unit bit 1 unit bit0 1 gt unit 3 199 1 84 VIF for units kvarh with resolution 0 01 kvarh 200 1 FF VIFE next byte is manufacturer specific 201 1 83 VIFE L3 202 1 XX VIFE status 203 208 6 XXXXXXXXXXXX Reactive exported energy L3 209 1 8E DIF size 12 digit BCD 210 1 co DIFE Unit bit 0 211 1 80 DIFE Unit bit 1 212 1 40 DIFE Unit bit 2 unit bit0 2 gt unit 5 213 1 84 VIF for unit KVAh with resolution 0 01kVAh 214 1 FF VIFE next byte is manufacturer specific 215 1 81 VIFE L1 216 1 XX VIFE status 217 22
2. Byte No Size Value Description 73 1 FF VIF next byte is manufacturer specific 74 1 8x VIFE phase x 75 1 FF VIF next byte is manufacturer specific 76 1 F8 Extension of manufacturer specific VIFE s next VIFE s used for numbering 77 1 05 Harmonic number 78 79 2 XXXX 5 th harmonic in percent with 1 decimal 80 1 02 DIF size 2 byte integer 81 1 FF VIF next byte is manufacturer specific 82 1 ED VIFE current harmonics 83 1 FF VIF next byte is manufacturer specific 84 1 8x VIFE phase x 85 1 FF VIF next byte is manufacturer specific 86 1 F8 Extension of manufacturer specific VIFE s next VIFE s used for numbering 87 1 05 Harmonic number 88 89 2 XXXX 5 th harmonic in percent with 1 decimal 90 1 02 DIF size 2 byte integer 91 1 FF VIF next byte is manufacturer specific 92 1 ED VIFE current harmonics 93 1 FF VIF next byte is manufacturer specific 94 1 8x VIFE phase x 95 1 FF VIF next byte is manufacturer specific 96 1 F8 Extension of manufacturer specific VIFE s next VIFE s used for numbering 97 1 05 Harmonic number 98 99 2 XXXX 5 th harmonic in percent with 1 decimal 100 1 02 DIF size 2 byte integer 101 1 FF VIF next byte is manufacturer specific 102 1 ED VIFE current harmonics 103 1 FF VIF next byte is manufacturer specific 104 1 8x VIFE phase x 105 1 FF VIF next byte is manufacturer specific 106 1 F8 Extension of manufacturer specific VIFE s ne
3. Byte No Size Value Description 1 1 68 Start character 2 1 Oa L field calculated from C field to last user data 3 1 Oa L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 04 DIF size 32 bit integer 9 1 FF VIF next byte is manufacturer specific 10 1 20 VIFE CT ratio numerator 11 14 4 XXXXXXXX New CT ratio numerator 15 1 XX CS checksum calculated from C field to last data 16 1 16 Stop character 2CMC484001M0201 237 A43 A44 Revision A User Manual Communication with M Bus 10 4 6 Set voltage transformer VT ratio numerator The voltage transformer ratio VT numerator is set by sending the following command all values are hexadecimal The command is affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 Oa L field calculated from C field to last user data 3 1 Oa L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 04 DIF size 32 bit integer 9 1 FF VIF next byte is manufacturer specific 10 1 21 VIFE VT ratio numerator 11 14 4 XXXXXXXX New VT ratio numerator 15 1 XX CS checksum calculated from C field to last data 16 1 16 Stop character 10 4 7 Set current transformer C
4. Byte No Size Value Description 33 1 FF VIF next byte is manufacturer specific 34 1 8x VIFE phase x 35 1 FF VIF next byte is manufacturer specific 36 1 F8 Extension of manufacturer specific VIFE s next VIFE s used for numbering 37 1 02 Harmonic number 38 39 2 XXXX 2 nd harmonic in percent with 1 decimal 40 1 02 DIF size 2 byte integer 41 1 FF VIF next byte is manufacturer specific 42 1 EE VIFE voltage harmonics 43 1 FF VIF next byte is manufacturer specific 44 1 8x VIFE phase x 45 1 FF VIF next byte is manufacturer specific 46 1 F8 Extension of manufacturer specific VIFE s next VIFE s used for numbering 47 1 03 Harmonic number 48 49 2 XXXX 3 rd harmonic in percent with 1 decimal 50 1 02 DIF size 2 byte integer 51 1 FF VIF next byte is manufacturer specific 52 1 EE VIFE voltage harmonics 53 1 FF VIF next byte is manufacturer specific 54 1 8x VIFE phase x 55 1 FF VIF next byte is manufacturer specific 56 1 F8 Extension of manufacturer specific VIFE s next VIFE s used for numbering 57 1 04 Harmonic number 58 59 2 XXXX 4 th harmonic in percent with 1 decimal 60 1 02 DIF size 2 byte integer 61 1 FF VIF next byte is manufacturer specific 62 1 EE VIFE voltage harmonics 63 1 FF VIF next byte is manufacturer specific 64 1 8x VIFE phase x 65 1 FF VIF next byte is manufacturer specific 66 1 F8 Extension of manufacturer specific VIFE s next VIFE s used for n
5. Byte No Size Value Description 73 78 6 XXXXXXXXXXXX Number of pulses registered on input 4 79 1 OF DIF indicating that this is the last telegram 80 1 XX CS checksum calculated from C field to last data 81 1 16 Stop character 2CMC484001M0201 203 A43 A44 Revision A User Manual Communication with M Bus 10 3 Special Readout of Meter Data Introduction Readable data Date date time format Some data in the meter can only be read by first sending a SND_UD followed by a REQ UD2 Note An NKE should always be sent before sending any of the commands described below If the meter is in the middle of another special data readout process it will not respond correctly to the command After reading the first telegram it is possible to continue reading by sending re peated REQ UD2 commands If the data item that has been read is normal and without any specific status asso ciated with it no status VIFE or 0 will be sent out If the status is data error or no data available the standard M Bus status coding will be sent out 18 hex or 15 hex The data that can be read in this way is Load profile e Demand e Previous values e Logs e Harmonics In some cases data specifying date or date time is contained in the read request command The format for date used in the commands is M Bus data type G Day in bits 0 4 Valid values 1 31 Months in bits 8 11 Valid values 1 12
6. Byte No Size Value Description 3 1 08 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 00 DIF size no data 9 1 FF VIF next byte is manufacturer specific 10 1 F9 VIF extension of manufacturer specific VIFE s next VIFE specifies actual meaning 11 1 XX VIFE specifies data to be cleared e 82 Demand e 83 Previous values e 84 Load profile e 85 Event log AE System log BO Net quality log e B1 Settings log 12 1 07 VIFE clear 13 1 XX CS checksum calculated from C field to last data 14 1 16 Stop character 10 4 28 Reset resettable active energy import Reset of resettable active energy import is performed by sending the following command all values are hexadecimal The command is affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 08 L field calculated from C field to last user data 3 1 08 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 00 DIF size no data 9 1 84 VIFE specifying energy 10 1 FF VIFE next byte is manufacturer specific 11 1 F2 Resettable registers 12 1 07 VIFE clear 13 1 XX CS checksum calculated from C field to last data 14 1 16 Stop character 2CMC484001M0201 Revision A A43 A44 Us
7. Step Action 2 Write the OBIS code for the quantity to store in the chosen channel to the Quantity registers 3 Write the desired storing interval to the Interval registers The interval is expressed in minutes 4 Write the desired maximum number of snapshots to the Max number of snapshots registers 5 Repeat steps 1 to 4 for all channels Read channel Follow the steps in the table below to read the current configuration of the load configuration profile channels Step Action 1 Choose the channel to read configuration for by writing a number to the Channel number register Allowed values are 1 8 2 Read from the Quantity registers to get the OBIS code for the quantity configured in the chosen channel 3 Read from the Interval registers to get the storing interval for the chosen channel The interval is expressed in minutes 4 Read from the Max number of snapshots registers to get the maximum number of snapshots that can be stored in the chosen channel 5 Repeat steps 1 to 4 for all channels 9 9 4 Alarms General Alarm configuration defines the set of quantities to monitor It is also defines the threshold values delays and actions to perform for each alarm Each alarm is configured individually Alarm configuration registers The following table describes the group of registers for configuring the alarm parameters Function Start Size Description Read Reg write Hex Alarm number 8C60 1 The number identifi
8. Parameter Direct connected meters Transformer connected meters Clock Ratios VT 1 Ratios CT 1 Number of wires 4 4 Pulse frequency 10 10 Pulse length 100 ms 100 ms A43 A44 User Manual 20 2CMC484001M0201 Revision A Installation 2 4 Wiring Diagrams General This section describes how to connect the different types of meters to an electric ity network The terminal numbers in the wiring diagrams listed below corre spond to the marking on the terminal block of the meter 2 4 1 Direct connected meters 4 wire connection The following diagram shows a 4 wire connection of a direct connected 3 phase meter 3 wire connection The following diagram shows a 3 wire connection of a direct connected 3 phase meter Wu S _ L3 2 wire connection The following diagram shows a 2 wire connection of a direct connected 3 phase meter 2CMC484001M0201 21 A43 A44 Revision A User Manual Installation 2 4 2 Transformer connected meters without voltage transformer 4 wire connection The following diagram shows a 4 wire connection of a transformer connected 3 ph
9. data blocks blog Channel Contents Start Size Description Reg Hex Common for Timestamp 8010 3 Date and time for the end if this period all channels i e when this entry was stored Date Time format Channel 1 Quantity 8013 3 OBIS code for the quantity stored in channel 1 Channel 1 Data type 8016 1 Data type for quantity stored in channel 1 Channel 1 Scaler 8017 1 Scaler for quantity stored in channel 1 Channel 1 Status 8018 1 Status for quantity stored in channel 1 Channel 1 Value 8019 4 Value for quantity stored in channel 1 Channel 8 Quantity 8059 3 OBIS code for the quantity stored in channel 8 Channel 8 Data type 805C 1 Data type for quantity stored in channel 8 Channel 8 Scaler 805D 1 Scaler for quantity stored in channel 8 Channel 8 Status 805E 1 Status for quantity stored in channel 8 Channel 8 Value 805F 4 Value for quantity stored in channel 8 Status register The status register shows the status for a value stored at a given timestamp Possible values are shown in the table below Status Description 0 OK 1 Not available 2 Data error A43 A44 120 2CMC484001M0201 User Manual Revision A Communication with Modbus Example of data block 1 The following table shows the relation between stored values and channels in data block 1 Entry Timestamp Channel 1 Channel 2 8 Status Value 1 110601 0 Ok 1000 kWh 00 00 00 2 110501 0 O
10. functions A44 meters Depending on the meter type all or a subset of the following func tions are available Instrumentation 3 phase 4 wire 3 phase 3 wire Active power total X X Active power L1 X X Active power L2 X Active power L3 X X Reactive power Total X X Reactive power L1 X X Reactive power L2 X Reactive power L3 X X Apparent power Total X X Apparent power L1 X X Apparent power L2 X Apparent power L3 X X Voltage L1 N X Voltage L2 N X Voltage L3 N X Voltage L1 L2 X X Voltage L3 L2 X X Voltage L1 L3 X Current L1 X X Current L2 X Current L3 X X Current N X Frequency X X Power factor Total X X Power factor L1 X X Power factor L2 X Power factor L3 X X Phase angle power Total X X Phase angle power L1 X X Phase angle power L2 X Phase angle power L3 X X Phase angle voltage L1 X X Phase angle voltage L2 X Phase angle voltage L3 X X Phase angle current L1 X X Phase angle current L2 X A43 A44 50 2CMC484001M0201 User Manual Revision A Technical Description Instrumentation 3 phase 4 wire 3 phase 3 wire Phase angle current L3 X X Current quadrant Total X X Current quadrant L1 X X Current quadrant L2 X Current quadrant L3 X X THD X X Harmonic voltage L1 X X Harmonic voltage L2 X Harmonic voltage L3 X X Harmonic voltage L1 L2 X X Harmonic voltage L2 L3 X X Harmonic voltage L1 L3 X Harmonic current L1 X X
11. 4204 Manufacturer ABB 02 Version 02 Medium 02 Electricity XX Number of accesses XX Status 1 1 1 1 1 1 1 8 11 4 2 1 1 1 1 2 18 19 0000 Signature 0000 no encryption A43 A44 User Manual 172 2CMC484001M0201 Revision A Communication with M Bus Byte No Size Value Description 20 1 OE DIF size 12 digit BCD 21 1 84 VIF for units kWh with resolution 0 01kWh 22 1 XX VIFE status 23 28 6 XXXXXXXXXXXX Active imported energy Total 29 1 8E DIF size 12 digit BCD 30 1 10 DIFE tariff 1 31 1 84 VIF for units kWh with resolution 0 01kWh 32 1 XX VIFE status 33 38 6 XXXXXXXXXXXX Active imported energy Tariff 1 39 1 8E DIF size 12 digit BCD 40 1 20 DIFE tariff 2 41 1 84 VIF for units kWh with resolution 0 01kWh 42 1 XX VIFE status 43 48 6 XXXXXXXXXXXX Active imported energy Tariff 2 49 1 8E DIF size 12 digit BCD 50 1 30 DIFE tariff 3 51 1 84 VIF for units kWh with resolution 0 01kWh 52 1 XX VIFE status 53 58 6 XXXXXXXXXXXX Active imported energy Tariff 3 59 1 8E DIF size 12 digit BCD 60 1 80 DIFE 61 1 10 DIFE tariff 4 62 1 84 VIF for units kWh with resolution 0 01kWh 63 1 XX VIFE status 64 69 6 XXXXXXXXXXXX Active imported energy Tariff 4 70 1 8E DIF size 12 digit B
12. The Actions registers are used to read or write the actions to be performed when an alarm triggers The first lowest register holds the actions to perform The 2CMC484001M0201 Revision A 141 A43 A44 User Manual Communication with Modbus second register holds the number of the output to set in case Set output action is used Register nr Hex Bit number Description Possible values 8C72 0 Write entry to log 1 use this action least significant 0 don t use bit 1 Set output 1 use this action 0 don t use 2 Set bit in alarm register 1 use this action 0 don t use 3 15 Not used 8C73 Entire register Number of the output to 1 4 turn on Ignored if Set output bit above is set to 0 Note Both registers in the table above must be written in one operation otherwise the value will not take effect Write alarm configuration Read alarm configuration Follow the steps in the table below to configure the parameters for monitoring the value of a number of quantities in the meter Step Action 1 Write the number of the alarm to configure to the Alarm number register This is a value between 1 and 25 Write the OBIS code for the quantity to monitor to the Quantity registers Write the ON and OFF thresholds to the Thresholds registers Write the ON and OFF delays to the Delays registers Write the actions to perform to perform to the A
13. 1 000 1 000 Signed Power factor L2 5B3C 1 0 001 1 000 1 000 Signed 2CMC484001M0201 103 A43 A44 Revision A User Manual Communication with Modbus Quantity Details Start Size Res Unit Value range Data reg type Hex Power factor L3 5B3D 1 0 001 1 000 1 000 Signed Current quadrant Total 5B3E 1 1 4 Unsigned Current quadrant L1 5B3F 1 1 4 Unsigned Current quadrant L2 5B40 1 1 4 Unsigned Current quadrant L3 5B41 1 1 4 Unsigned Note Powers are sent out as 32 bit signed integers expressed in W or var VA with 2 decimals This means that the maximum power possible to express is approximately 21 MW If the power is higher than that the user is adviced to read power from the DMTME mapping instead where the scaling is in W without decimals Harmonics Harmonics are mapped in 2 registers each starting with THD and then followed by 2nd 3rd 4th harmonic and so on All registers in the following table are read only Quantity Details Start Size Nr of Res Unit Data type reg harmonic harmonics Hex Voltage harmonics L1 N 5D00 2 16 01 Unsigned Voltage harmonics L2 N 5D80 2 16 0 1 Unsigned Voltage harmonics L3 N 5E00 2 16 0 1 Unsigned Voltage harmonics L1 L2 5E80 2 16 0 1 Unsigned Voltage harmonics
14. Mapping table The following table shows an overview of the mapping table Quantity Details Start Reg Hex Size Demand Quantity configuration 8C30 5 Demand Level configuration 8C35 4 Demand Interval configuration 8C39 1 Demand Sub interval configuration 8C3A 1 Demand Period configuration 8C3B 1 Quantity The following table describes the group of registers for configuring quantities to configuration store in demand registers Function Start Size Description Read Reg write Hex Number of 8C30 1 The number of quantities to store in R W quantities Demand up to a maximum of 50 Quantity number 8C31 1 Current quantity number during read or R write of configuration Quantity 8C32 3 OBIS code for the quantity R W Write quantity Follow the steps in the table below to configure the set of quantities to store in configuration demand Step Action 1 Write the number of quantities that shall be configured to the Number of quantities register This is a value between 1 and 50 2 Write the OBIS code for the first quantity to the Quantity registers Repeat step 2 for all quantities that shall be used i e the same number of times as the value written in step 1 Read quantity Follow the steps in the table below to read the current configuration of quantities configuration to store in demand Step Action 1 Read the Number of quantities register to find out how many quantities are used Read fro
15. The pulse outputs are primary which means that the pulses are sent out in propor tion to the true primary energy taking current and voltage transformer ratios CT and VT ratio programmed on the meter into account For direct connected meters no external transformers are used and the amount of pulses sent out are in proportion to the energy flowed through the meter 5 5 2 1 Pulse Frequency and Pulse length General Pulse frequency Pulse length Pulse frequency and pulse length can be set via the buttons on the meter or via communication If the meter have more than 1 pulse output all outputs will have the same pulse frequency and pulse length The pulse frequency is configurable and can be set to a value between 1 9999 impulses The value must be an integer The unit is selectable and may be set to imp kWh imp Wh or imp MWh The pulse length can be set to a value between 10 990 ms Deciding pulse frequency length If the power is too high for a certain pulse length and pulse frequency there is a risk that the pulses may go into one another If this happens the meter will emit a new pulse relay closed before the previous one has terminated relay open and the pulse will be missed In worst case the relay may be closed at all times To avoid this problem a calculation should be made to work out the maximum pulse frequency allowed at a particular site based upon an estimated maximum power and the meter s pu
16. Ea L3 The following diagram shows a 2 wire connection of a transformer connected 3 phase meter with voltage transformers S1 S2 A a D W P41 A43 A44 User Manual 24 2CMC484001M0201 Revision A Installation 2 4 4 Inputs outputs 2 outputs 2 inputs Out1 Out2 i Inp2 13 15 16 17 18 J e e 4 con fig ur able inputs outputs i 1 01 7 i 13 15 16 17 18 1 output C Out1 NC NC NC 13 15 2CMC484001M0201 25 A43 A44 Revision A User Manual Installation 2 4 5 Communication RS485 RS485 i tT f 37 36 35 M Bus M Bus 37 36 A43 A44 26 2CMC484001M0201 User Manual Revision A User Interface Chapter 3 User Interface Overview This chapter describes the different display views and the menu structure In this chapter The following topics are covered in this chapter Sel DISPIAY sesisececetd tag edecutiats cheese danceceta E EEA 28 2CMC484001M0201 27 A43 A44 Revision A User Manual User Interface 3 1 Display General Default menu Energy values The display c
17. Rated current 1A Reference current lef 1A Maximum current limax 6A Transitional current ly 0 05A Minimum current nin 0 02A Starting current lt 1mA Terminal wire area 0 5 10mm Recommended tightening torque 2Nm General data Frequency 50 or 60 Hz 5 Accuracy 0 5 1 Display 96x64 pixels view area 39x26 mm Mechanical Material Polycarbonate in transparent front glass bottom case upper case and terminal cover Glass reinforced polycarbonate in terminal block Weight Environmental Operating temperature 40 C 70 C Storage temperature 40 C 85 C Humidity 75 yearly average 95 on 30 days year Resistance to fire and heat Terminal 960 C cover 650 C IEC 60695 2 1 Resistance to water and dust IP 20 on terminal block without protective enclosure and IP 51 in protective enclosure according to IEC 60529 Mechanical environment Class M1 in accordance with the Measuring Instrument Direc tive MID 2004 22 EC Electromagnetic environment Class E2 in accordance with the Measuring Instrument Direc tive MID 2004 22 EC Outputs Current 2 100 mA Voltage 24 VAC 240 VAC 24 VDC 240 VDC For meters with only 1 output 5 40VDC Pulse output frequency Prog 1 9999 imp MWh 1 9999 imp kWh 1 9999 imp Wh Pulse lenth 10 990 ms Terminal wire area 0 5 1 mm Recomm
18. 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 0E DIF size 12 digit BCD data 9 1 ED VIF time point date and time A43 A44 208 2CMC484001M0201 User Manual Revision A Communication with M Bus Byte No Size Value Description 10 FF VIF next byte is manufacturer specific 11 F9 VIF extension of manufacturer specific VIFE s next VIFE spec ifies actual meaning 12 B8 Read load profile data based upon the channel no specified Register value will be read 13 FF Next byte is manufacturer specific 14 F8 Next byte is manufacturer specific used for numbering 15 XX Specifies channel no where channel nos gt 0 7 16 21 XXXXXXXXXXXX Time date sec min hour day month year 22 XX CS checksum calculated from C field to last data 23 oO 16 Stop character Comments The data is sent out with 12 load profile values in each telegram This means that 2 telegrams must be read for 1 day of load profile values when the interval length is 60 minutes If the interval length is 30 minutes 4 telegrams must be read and if the interval length is 15 minutes 8 telegrams must be read Beside the interval data the date time information for the day record and the in terval length is sent out Reading load profile energy values can be done either as register values or a
19. L3 L2 5F00 2 16 0 1 Unsigned Voltage harmonics L1 L3 5F80 2 16 0 1 Unsigned Current harmonics L1 6000 2 16 0 1 1 Unsigned Current harmonics L2 6080 2 16 0 1 1 Unsigned Current harmonics L3 6100 2 16 0 1 1 Unsigned Current harmonics N 6180 2 16 0 1 1 Unsigned Inputs and The following table contains both writable and read only registers outputs Quantity Details Start Size Possible values Datatype Read Reg Write Hex Output 1 6300 1 ON 1 OFF 0 Unsigned R W A43 A44 104 2CMC484001M0201 User Manual Revision A Communication with Modbus Production data and identification Quantity Details Start Size Possible values Datatype Read Reg Write Hex Output 2 6301 1 ON 1 OFF 0 Unsigned R W Output 3 6302 1 ON 1 OFF 0 Unsigned R W Output 4 6303 1 ON 1 OFF 0 Unsigned R W Input 1 Current state 6308 1 ON 1 OFF 0 Unsigned R Input 2 Current state 6309 1 ON 1 OFF 0 Unsigned R Input 3 Current state 630A 1 ON 1 OFF 0 Unsigned R Input 4 Current state 630B 1 ON 1 OFF 0 Unsigned R Input 1 Stored state 6310 1 ON 1 OFF 0 Unsigned R Input 2 Stored state 6311 1 ON 1 OFF 0 Unsigned R Input 3 Stored state 6312 1 ON 1 OFF 0 Unsigned R Input 4 Stored state 6313 1 ON 1 OFF 0 Unsigned R Input 1 Counter 6318 4 Unsigned R Input 2 Counter 631C 4 Unsigned R Input 3 Cou
20. Total energy All registers in the following table are read only accumulators Quantity Details Startreg Size Res Unit Data type Hex Active import kWh 5000 4 0 01 kWh Unsigned Active export kWh 5004 4 0 01 kWh Unsigned Active net kWh 5008 4 0 01 kWh Unsigned Reactive import kvarh 500C 4 0 01 kvarh Unsigned Reactive export kvarh 5010 4 0 01 kvarh Unsigned Reactive net kvarh 5014 4 0 01 kvarh Unsigned Apparent import kVAh 5018 4 0 01 kVAh Unsigned Apparent export kVAh 501C 4 0 01 kVAh Unsigned Apparent net kVAh 5020 4 0 01 kVAh Unsigned Active import kVAh 5024 4 0 001 kg Unsigned CO2 Active import kVAh 5034 4 0 001 currency Unsigned Currency A43 A44 100 2CMC484001M0201 User Manual Revision A Communication with Modbus Energy accumulators divided into tariffs All registers in the following table are read only Quantity Details Start reg Hex Size Res Unit Data type Active import Tariff 1 5170 4 0 01 kWh Unsigned Active import Tariff 2 5174 4 0 01 kWh Unsigned Active import Tariff 3 5178 4 0 01 kWh Unsigned Active import Tariff 4 517C 4 0 01 kWh Unsigned Active export Tariff 1 5190 4 0 01 kWh Unsigned Active export Tariff 2 5194 4 0 01 kWh Unsigned Active export Tariff 3 5198 4 0 01 kWh Unsigned Active export Tariff 4 519C 4 0 01 kWh Unsigned Reactive import Tariff 1 51B0 4 0 01 kvarh Unsigned Reactive import Tariff 2 51B4 4 0 01 kvarh Unsigned Reactiv
21. kWh ACT NRG EXP TAR1 Measures the ex ported active energy for tariff 1 10 20 kWh ACT NRG EXP TAR2 Measures the ex ported active energy for tariff 2 11 20 kWh ACT NRG EXP TAR3 Measures the ex ported active energy for tariff 3 12 20 kWh ACT NRG EXP TAR4 Measures the ex ported active energy for tariff 4 13 20 kvarh REACT NRG IMP TAR1 Measures the im ported reactive en ergy for tariff 1 14 20 kvarh REACT NRG IMP TAR2 Measures the im ported reactive en ergy for tariff 2 15 20 kvarh REACT NRG IMP TAR3 Measures the im ported reactive en ergy for tariff 3 16 20 kvarh REACT NRG IMP TAR4 Measures the im ported reactive en ergy for tariff 4 17 20 kvarh Measures the ex ported reactive en ergy for tariff 1 REACT NRG EXP TAR1 18 20 kvarh REACT NRG EXP TAR2 Measures the ex ported reactive en ergy for tariff 2 19 20 kvarh REACT NRG EXP TAR3 Measures the ex ported reactive en ergy for tariff 3 20 20 kvarh REACT NRG EXP TAR4 Measures the ex ported reactive en ergy for tariff 4 Status Icons The status icons that can be seen the display are explained in the following table Table 3 1 Icon Indication a Q fas Active quadrant G Communication is in progress The meter is either send ing or receiving information 2CMC4840
22. 1 1 Meter Parts sinian anana o a nas 10 1 2 Meter TypeS enea e Mi ier hee R 12 2CMC484001M0201 9 A43 A44 Revision A User Manual Product Overview 1 1 Meter Parts Illustration The parts of the meter are shown in the illustration below Parts description The following table describes the parts of the meter Item Description Comments 1 Terminal for communication connection 2 Terminal for input output connection 3 Sealing point Seal thread can be used to seal the cover 4 Sealable terminal cover Protective cover with printed wiring diagram on the inside 5 LED Flashes in proportion to the energy measured Set button Enter configuration mode Sealable terminal cover Protective cover with printed wiring diagram on the inside 8 Terminal block Terminal for all voltages and cur rents 9 Sealable cover To protect the LCD and seal the set button 10 Product data Contains data about the meter type A43 A44 10 2CMC484001M0201 User Manual Revision A Product Overview Item Description Comments 11 OK button Perform an action or choose a menu 12 Down button Toggle down toggle right in the main menu 13 Up button Toggle up toggle left in the main menu 14 Exit button Exit to the previous menu or toggle between default and main menu 15 Display LCD for meter reading 16 optical communication interface For IR comm
23. 2 0 1 V Unsigned Voltage L3 L2 5B08 2 0 1 V Unsigned Voltage L1 L3 5B0A 2 0 1 V Unsigned Current L1 5B0C 2 0 01 JA Unsigned Current L2 5B0E 2 0 01 JA Unsigned Current L3 5B10 2 0 01 JA Unsigned Current N 5B12 2 0 01 JA Unsigned Active power Total 5B14 2 0 01 W Signed Active power L1 5B16 2 0 01 W Signed Active power L2 5B18 2 0 01 W Signed Active power L3 5B1A 2 0 01 W Signed Reactive power Total 5B1C 2 0 01 var Signed Reactive power L1 5B1E 2 0 01 var Signed Reactive power L2 5B20 2 0 01 var Signed Reactive power L3 5B22 2 0 01 var Signed Apparent power Total 5B24 2 0 01 VA Signed Apparent power L1 5B26 2 0 01 VA Signed Apparent power L2 5B28 2 0 01 VA Signed Apparent power L3 5B2A 2 0 01 VA Signed Frequency 5B2C 1 0 01 Hz Unsigned Phase angle power Total 5B2D 1 0 1 7 180 180 Signed Phase angle power L1 5B2E 1 0 1 180 180 Signed Phase angle power L2 5B2F 1 0 1 z 180 180 Signed Phase angle power L3 5B30 1 0 1 2 180 180 Signed Phase angle voltage L1 5B31 1 0 1 3 180 180 Signed Phase angle voltage L2 5B32 1 0 1 7 180 180 Signed Phase angle voltage L3 5B33 1 0 1 4 180 180 Signed Phase angle current L1 5B37 1 0 1 z 180 180 Signed Phase angle current L2 5B38 1 0 1 180 180 Signed Phase angle current L3 5B39 1 0 1 180 180 Signed Power factor Total 5B3A 1 0 001 1 000 1 000 Signed Power factor L1 5B3B 1 0 001
24. 95 1 40 DIFE Unit 1 gt xx10 2 96 1 A9 VIF for units var with resolution 0 01var 97 1 FF VIFE next byte is manufacturer specific 98 1 83 VIFE L3 99 1 XX VIFE status 100 103 4 XXXXXXXX Reactive power L3 104 1 84 DIF size 32 bit integer 105 1 80 DIFE Unit 0 106 1 80 DIFE Unit 0 107 1 40 DIFE Unit 1 gt x100 4 108 1 AQ VIF for units VA with resolution 0 01VA 109 1 XX VIFE status 2CMC484001M0201 177 A43 A44 Revision A User Manual Communication with M Bus Byte No Size Value Description 110 113 4 XXXXXXXX Apparent power Total 114 1 84 DIF size 32 bit integer 115 1 80 DIFE Unit 0 116 1 80 DIFE Unit 0 117 1 40 DIFE Unit 1 gt x100 4 118 1 A9 VIF for units VA with resolution 0 01VA 119 1 FF VIFE next byte is manufacturer specific 120 1 81 VIFE L1 121 1 XX VIFE status 122 125 4 XXXXXXXX Apparent power L1 126 1 84 DIF size 32 bit integer 127 1 80 DIFE Unit 0 128 1 80 DIFE Unit 0 129 1 40 DIFE Unit 1 gt x100 4 130 1 A9 VIF for units VA with resolution 0 01VA 131 1 FF VIFE next byte is manufacturer specific 132 1 82 VIFE L2 133 1 XX VIFE status 134 137 4 XXXXXXXX Apparent power L2 138 1 84 DIF size 32 bit integer 139 1 80 DIFE Unit 0 140 1 80 DIFE Unit 0 141 1 40 DIFE Unit 1 gt x100 4 142 1 A
25. Bit 0 is the least significant bit Season The following table describes the group of registers for configuring seasons nfiguration eo g guratio Function Start Size Description Read registers Reg write Hex Number of 8C92 1 The number of seasons used 1 4 R W seasons Season number 8C93 1 Current season number during read or R write of configuration A43 A44 146 2CMC484001M0201 User Manual Revision A Communication with Modbus Function Start Size Description Read Reg write Hex Season 8C94 33 Name start date time and associated R W week profile for the season Season registers The following table describes the group of registers for configuring a season Function Start Size Description Read Reg write Hex Season name 8C94 15 The season name Expressed as an R W ASCII character string with a maximum length of 30 characters First character is in the high byte of the lowest register Any unused space in the end must be set to binary 0 Season start 8C93 3 Start date time of the season Formatted R W as Date Time See Date and time format on page 114 Hour Minute and Second are currently not used and must be set to FF Week profile 8C94 15 The name of the week profile associated R W with this season Same format as Season name Note All 33 registers in the table above must be written in
26. Harmonic current L2 X Harmonic current L3 X X Harmonic current N X Accuracy All instrumentation data accuracy is defined within the voltage range 20 of the stated nominal voltage and within the current range 5 of the base current to the maximum current The accuracy of all instrumentation data except the voltage and current phase angles is the same as the stated energy metering accuracy The accuracy for the voltage and current phase angles is 2 degrees 2CMC484001M0201 51 A43 A44 Revision A User Manual Technical Description 5 3 Harmonics General The presence of harmonics in voltages and currents may cause a number of un wanted problems This chapter describes the origin of harmonics how the nega tive effects of harmonics can be eliminated and how harmonics is measured The harmonics data can be read via communication or directly in the display with the help of the buttons Generation of harmonics Generators in the power system produce a nearly pure sinusoidal voltage with a frequency near the stated system frequency normally 50 or 60 Hz Linear loads consisting of pure resistors capacitors and inductors draw a pure sinusoidal cur rent if the voltage over the load is pure sinusoidal A non linear load however draws non sinusoidal current resulting in a current consisting of several frequencies One example of a common non linear load are power supplies in electronic equipment which
27. Quantity OBIS code Active energy import L3 1 0 61 8 0 255 Active energy export L1 1 0 22 8 0 255 Active energy export L2 1 0 42 8 0 255 Active energy export L3 1 0 62 8 0 255 Active energy net L1 1 0 36 8 0 255 Active energy net L2 1 0 56 8 0 255 Active energy net L3 1 0 76 8 0 255 Reactive energy import L1 1 0 23 8 0 255 Reactive energy import L2 1 0 43 8 0 255 Reactive energy import L3 1 0 63 8 0 255 Reactive energy export L1 1 0 24 8 0 255 Reactive energy export L2 1 0 44 8 0 255 Reactive energy export L3 1 0 64 8 0 255 Reactive energy net L1 1 0 129 8 0 255 Reactive energy net L2 1 0 130 8 0 255 Reactive energy net L3 1 0 131 8 0 255 Apparent energy import L1 1 0 29 8 0 255 Apparent energy import L2 1 0 49 8 0 255 Apparent energy import L3 1 0 69 8 0 255 Apparent energy export L1 1 0 30 8 0 255 Apparent energy export L2 1 0 50 8 0 255 Apparent energy export L3 1 0 70 8 0 255 Apparent energy net L1 1 0 138 8 0 255 Apparent energy net L2 1 0 139 8 0 255 Apparent energy net L3 1 0 140 8 0 255 Pulse input The following table lists the OBIS codes for pulse input counters counters Quantity OBIS code Input 1 counter 1 128 82 8 0 255 Input 2 counter 1 129 82 8 0 255 Input 3 counter 1 130 82 8 0 255 Input 4 counter 1 131 82 8 0 255 A43 A44 116 2CMC484001M0201 User Manual Revision A Communication with Modbus Averages of
28. Reactive export energy L2 Cumulative reactive exported energy in the L2 phase Reactive export energy L3 Cumulative reactive exported energy in the L3 phase A43 A44 User Manual 156 2CMC484001M0201 Revision A Communication with M Bus Register Communication objects Apparent import energy L1 Cumulative apparent imported energy in the L1 phase Apparent import energy L2 Cumulative apparent imported energy in the L2 phase Apparent import energy L3 Cumulative apparent imported energy in the L3 phase Apparent export energy L1 Cumulative apparent exported energy in the L1 phase Apparent export energy L2 Cumulative apparent exported energy in the L2 phase Apparent export energy L3 Cumulative apparent exported energy in the L3 phase Read write The following tasks are possible to perform with SND_UD telegrams commands Conimand Set tariff Set primary address Change baud rate Reset power fail counter Reset power outage time Set CT Ratio numerator Set CT Ratio denominator Set VT Ratio numerator Set VT Ratio denominator Select Status information Reset stored state input Reset input counters Set output Set date time Set date Send Password Freeze Max demand Set communication access level Read Request Load profile Read request previous values Read request demand maximum and
29. Value Description 128 1 XX VIFE status 129 1 XX Input 4 stored state 1 if current state has been 1 130 1 8E DIF size 12 digit BCD 131 1 40 DIFE Unit 1 132 1 FD VIF extension of VIF codes 133 1 E1 VIFE cumulating counter 134 1 XX VIFE status 135 140 6 XXXXXXXXXXXX Counter 1 input 1 141 1 8E DIF size 12 digit BCD 142 1 80 DIFE 143 1 40 DIFE Unit 2 144 1 FD VIF extension of VIF codes 145 1 E1 VIFE cumulating counter 146 1 XX VIFE status 147 152 6 XXXXXXXXXXXX Counter 2 input 2 153 1 8E DIF size 12 digit BCD 154 1 co DIFE Unit 1 155 1 40 DIFE Unit 2 156 1 FD VIF extension of VIF codes 157 1 E1 VIFE cumulating counter 158 1 XX VIFE status 159 164 6 XXXXXXXXXXXX Counter 3 input 3 165 1 8E DIF size 12 digit BCD 166 1 80 DIFE 167 1 80 DIFE 168 1 40 DIFE Unit 4 169 1 FD VIF extension of VIF codes 170 1 E1 VIFE cumulating counter 171 1 XX VIFE status 172 177 6 XXXXXXXXXXXX Counter 4 input 4 178 1 1F DIF more records will follow in next telegram 179 1 XX CS checksum calculated from C field to last data 180 1 16 Stop character 10 2 5 Example of the 5th telegram all values are hexadecimal Byte No Size Value Description 1 1 68 Start character 2 1 A4 L field calculated from C field to last user data 3 1 A4 L field repeated 4 1 68 Start character 5 1 08 C field RSP_UD A43 A44 User Manual 188 2CMC484001M0201
30. Year in bits 5 7 and 12 15 bits 5 7 are the LSB bits Valid values 1 99 The format for date time is 6 bytes BCD or M Bus data type F M Bus data type F consists of Minutes in bits 0 5 Valid values 0 59 Hours in bits 8 12 Valid values 0 23 Day in bits 16 20 Valid values 1 31 Months in bits 24 27 Valid values 1 12 Year in bits 21 23 and 28 31 MSB bits Valid values 0 99 If a date or date time is specified in the command the meter sends out data for that period If no data is stored in the meter for the specified period the meter will A43 A44 User Manual 204 2CMC484001M0201 Revision A Communication with M Bus send out data from the nearest date backward in time Therefore it is recom mended that the system should check the date sent in the telegram to verify that it is the requested date If no data is stored in the meter for the specified date or for any date backward in time all data in the telegram will have the status byte marked as no data available 15 hex 10 3 1 Readout of Load Profile Data Read request for a specified date A read request for a specified date is performed by sending the following SND_UD to the meter followed by a REQ _UD2 all values are hexadecimal Byte No Size Value Description 1 1 68 Start character 2 1 OA L field calculated from C field to last user data 3 1 OA L field repeated 4
31. 0 2 1 3 8 4 A 0 5 Least significant byte of highest register 255 The data type register contains a data type identifier that is a value between 0 and 255 Currently only two identifiers are used for historical values The identifier for 64 bit unsigned integer is 21 and the identifier for 64 bit signed integer is 20 The scaler register shows the resolution of the value The measured value in the Value register should be interpreted as value 10 For example the prefix kilo is represented by scaler 3 while milli is 3 An energy accumulator with the resolution 0 01 kWh consequently has scaler 1 2CMC484001M0201 Revision A 113 A43 A44 User Manual Communication with Modbus Date and time format Response times The same date and time format is used wherever a date and time occurs in the registers e g the Date Time register in the Header or a timestamp in the Data block The following table shows the structure of date and time in the mapping Byte Description Comment on byte order number 0 Year Most significant byte of lowest register 1 Month Least significant byte of lowest register 2 Day 3 Hour 4 Minute 5 Second Least significant byte of highest register The Headers for reading out historical values include one or more of the registers Entry number Date Time Direction and Get next entry for controlling the readout When writing to any
32. 1 08 C field RSP_UD 6 1 XX A field address 7 1 72 Cl field variable data respond LSB first 8 11 4 XXXXXXXX Identification Number 8 BCD digits 12 13 2 4204 Manufacturer ABB 14 1 02 Version 15 1 02 Medium 02 Electricity 16 1 XX Number of accesses 17 1 XX Status 18 19 2 0000 Signature 0000 no encryption 20 1 01 DIF size 8 bit integer 21 1 FF VIF next byte is manufacturer specific 22 1 97 VIFE current quadrant 23 1 XX VIFE status 24 1 XX Current quadrant total 25 1 01 DIF size 8 bit integer 26 1 FF VIF next byte is manufacturer specific 27 1 97 VIFE current quadrant 28 1 FF VIF next byte is manufacturer specific 29 1 81 VIFE L1 30 1 XX VIFE status 31 1 XX Current quadrant L1 32 1 01 DIF size 8 bit integer 33 1 FF VIF next byte is manufacturer specific 34 1 97 VIFE current quadrant 35 1 FF VIF next byte is manufacturer specific 36 1 82 VIFE L2 37 1 XX VIFE status 38 1 XX Current quadrant L2 39 1 01 DIF size 8 bit integer 40 1 FF VIF next byte is manufacturer specific 41 1 97 VIFE current quadrant 42 1 FF VIF next byte is manufacturer specific 43 1 83 VIFE L3 44 1 XX VIFE status 45 1 XX Current quadrant L3 2CMC484001M0201 185 A43 A44 Revision A User Manual Communication with M Bus Byte No Size Value Description 46 1 81 DIF size 8 bit in
33. 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 02 DIF size 2 byte integer 9 1 EC VIF time point date M Bus data type G 10 1 FF VIF next byte is manufacturer specific 11 1 F9 VIF extension of manufacturer specific VIFE s next VIFE spec ifies actual meaning 2CMC484001M0201 205 A43 A44 Revision A User Manual Communication with M Bus Byte No Size Value Description 12 XX VIFE specifies data requested 10 Active import energy register values at end of interval 11 Active import energy consumption per interval 12 Reactive import energy register values at end of interval 13 Reactive import energy consumption per interval 14 Input 1 register values at end of interval 15 Input 1 number of counts per interval 16 Input 2 register values at end of interval 17 Input 2 number of counts per interval 1C Active export energy register values at end of interval 1D Active export energy consumption per interval 1E Reactive export energy register values at end of interval 1F Reactive export energy consumption per interval 20 Apparent import energy register values at end of interval 21 Apparent import energy consumption per interval 22 Apparent export energy register values at end of interval 23 Apparent export energy consumption per interval 24 Input 3 register values at end of interval 25 Input 3 number of counts p
34. 10 20 30 For distortion levels below 1 the absolute uncertainty is 0 5 2CMC484001M0201 55 A43 A44 Revision A User Manual Technical Description 5 4 Alarm General The purpose of the alarm function is to enable monitoring of quantities in the meter Monitoring can be set to high or low level detection High level detection gives an alarm when the level of a quantity goes above the set level Low level detection gives an alarm when the value goes below the set level It is possible to configure 25 alarms Configuration can be done via communica tion or with the buttons directly on the meter Quantities Depending on the meter type all or a subset of the following quantities can be monitored Voltage L1 Reactive power L2 Voltage L2 Reactive power L3 Voltage L3 Apparent power total Voltage L1 L2 Apparent power L1 Voltage L2 L3 Apparent power L2 Voltage L1 L3 Apparent power L3 Current L1 Power factor total Current L2 power factor L1 Current L3 Power factor L2 Current N power factor L3 Active power total Harmonic voltage L1 Active power L1 Harmonic voltage L2 Active power L2 Harmonic voltage L3 Active power L3 Harmonic voltage L1 L2 Reactive power Total Harmonic voltage L2 L3 Reactive power L1 Harmonic voltage L1 L3 Functional When the value of the monitored quantity passes the activation level and remains description there for a period of time equal or lo
35. 255 Current L3 1 0 71 X 0 255 Current N 1 0 91 X 0 255 THD Voltage L1 1 0 32 X 124 254 THD Voltage L2 1 0 52 X 124 254 THD Voltage L3 1 0 72 X 124 254 THD Voltage L1 L2 1 0 134 X 124 254 THD Voltage L2 L3 1 0 135 X 124 254 THD Voltage L1 L3 1 0 136 X 124 254 THD Current L1 1 0 31 X 124 254 THD Current L2 1 0 51 X 124 254 THD Current L3 1 0 71 X 124 254 THD Current N 1 0 91 X 124 254 Powers Same codes as energies but with X set to 3 6 13 or 16 X values The following table lists the meaning of the values for X Value of X Meaning 3 Minimum value of averages calculated over measurement period 1 6 Maximum value of averages calculated over measurement period 1 13 Minimum value of averages calculated over measurement period 2 16 Maximum value of averages calculated over measurement period 2 Note Measurement period 1 is currently used for block demand and measure ment period 2 is used for sliding demand A43 A44 118 2CMC484001M0201 User Manual Revision A Communication with Modbus 9 5 Previous Values Note Before you can use the information in this chapter you must be familiar with and understand the information and the concepts described in Historical Data on page 111 Mapping table The following table shows an overview of the mapping table Function Details Start Reg S
36. 2CMC484001M0201 Revision A Measurement Methods a pure resistive load where the phase currents are in phase with its respective phase voltages U3 U2 2 element metering in a 4 wire system 2 element metering can also be used in a 4 wire system if the current in the neutral connection is zero Applying this method in a system having a non zero neutral current will decrease the accuracy but can sometimes be justified if the current is small compared to the line currents or if high accuracy is not required It is also possible to use this method for measuring one current only This method will only give correct result in a balanced system Note that the current flows backwards through phase 1 and 3 and that the phase voltages not are connected to the normal inputs when the current transformer is connected to phase 1 and 3 2CMC484001M0201 85 A43 A44 Revision A User Manual Measurement Methods Illustration The following diagrams shows 2 element measurements with only 1 current transformer 7 1 3 3 Phase 3 Element Metering 3 element metering in a 4 wire system This method is normally used in three phase systems that have a neutral conduc tor In a 3 element meter the neutral voltage is used as the voltage reference and the voltage difference between the neutral voltage and the L1 L2 and L3 voltages are measured and multiplied by its respective current The active energy consumed A43 A44 Us
37. 40 DIFE Unit 2 90 1 FD VIF extension of VIF codes 91 1 9B VIFE digital input 92 1 XX VIFE status 93 1 XX Input 3 current state 94 1 81 DIF size 8 bit integer 95 1 80 DIFE 96 1 80 DIFE 97 1 40 DIFE Unit 4 98 1 FD VIF extension of VIF codes 99 1 9B VIFE digital input 100 1 XX VIFE status 101 1 XX Input 4 current state 102 1 C1 DIF size 8 bit integer storage number 1 103 1 40 DIFE Unit 1 104 1 FD VIF extension of VIF codes 105 1 9B VIFE digital input 106 1 XX VIFE status 107 1 XX Input 1 stored state 1 if current state has been 1 108 1 C1 DIF size 8 bit integer storage number 1 109 1 80 DIFE 110 1 40 DIFE Unit 2 111 1 FD VIF extension of VIF codes 112 1 9B VIFE digital input 113 1 XX VIFE status 114 1 XX Input 2 stored state 1 if current state has been 1 115 1 C1 DIF size 8 bit integer storage number 1 116 1 Co DIFE Unit 1 117 1 40 DIFE Unit 2 118 1 FD VIF extension of VIF codes 119 1 9B VIFE digital input 120 1 XX VIFE status 121 1 XX Input 3 stored state 1 if current state has been 1 122 1 C1 DIF size 8 bit integer storage number 1 123 1 80 DIFE 124 1 80 DIFE 125 1 40 DIFE Unit 4 126 1 FD VIF extension of VIF codes 127 1 9B VIFE digital input 2CMC484001M0201 187 A43 A44 Revision A User Manual Communication with M Bus Byte No Size
38. 5th voltage harmonic distorsion for phase 1 7 7 02 FF EE FF 81 FF F8 86 00 03 00 6th voltage harmonic distorsion for phase 1 0 3 02 FF EE FF 81 FF F8 87 00 08 00 7th voltage harmonic distorsion for phase 1 0 8 02 FF EE FF 81 FF F8 88 00 01 00 8th voltage harmonic distorsion for phase 1 0 1 02 FF EE FF 81 FF F8 89 00 12 00 9th voltage harmonic distorsion for phase 1 1 8 02 FF EE FF 81 FF F8 8A 00 02 00 10th voltage harmonic distorsion for phase 1 0 2 02 FF EE FF 81 FF F8 8B 00 OE 00 11th voltage harmonic distorsion for phase 1 1 5 02 FF EE FF 81 FF F8 8C 00 01 00 12th voltage harmonic distorsion for phase 1 0 1 2CMC484001M0201 233 A43 A44 Revision A User Manual Communication with M Bus 02 FF EE FF 81 FF F8 8D 00 05 00 13th voltage harmonic distorsion for phase 1 0 5 02 FF EE FF 81 FF F8 8E 00 00 00 14th voltage harmonic distorsion for phase 1 0 0 02 FF EE FF 81 FF F8 8F 00 07 00 15th voltage harmonic distorsion for phase 1 0 7 02 FF EE FF 81 FF F8 90 00 01 00 16th voltage harmonic distorsion for phase 1 0 1 OF No more harmonics data exist D3 16 A43 A44 234 2CMC484001M0201 User Manual Revision A Communication with M Bus 10 4 Sending Data to the Meter General Write access level protection 10 4 1 Set tariff This section describes the telegrams that can be sent to an EQ meter Some of the telegrams contain data others do not Data sent in the telegram is sometimes stored
39. 8E DIF size 12 digit BCD 129 1 80 DIFE 130 1 80 DIFE 131 1 80 DIFE 132 1 40 DIFE Unit 8 133 1 84 VIF for unit kKVAh with resolution 0 01kVAh 134 1 XX VIFE status 135 140 6 XXXXXXXXXXXX Apparent net energy Total 141 1 8E DIF size 12 digit BCD 142 1 80 DIFE 143 1 80 DIFE 144 1 80 DIFE 145 1 40 DIFE Unit 8 146 1 84 VIF for unit KVAh with resolution 0 01kVAh 147 1 FF VIFE next byte is manufacturer specific 148 1 81 VIFE L1 149 1 XX VIFE status 150 155 6 XXXXXXXXXXXX Apparent net energy L1 156 1 8E DIF size 12 digit BCD 157 1 80 DIFE 158 1 80 DIFE 2CMC484001M0201 197 A43 A44 Revision A User Manual Communication with M Bus Byte No Size Value Description 159 1 80 DIFE 160 1 40 DIFE Unit 8 161 1 84 VIF for unit KVAh with resolution 0 01kVAh 162 1 FF VIFE next byte is manufacturer specific 163 1 82 VIFE L2 164 1 XX VIFE status 165 170 6 XXXXXXXXXXXX Apparent net energy L2 171 1 8E DIF size 12 digit BCD 172 1 80 DIFE 173 1 80 DIFE 174 1 80 DIFE 175 1 40 DIFE Unit 8 176 1 84 VIF for unit KVAh with resolution 0 01kVAh 177 1 FF VIFE next byte is manufacturer specific 178 1 83 VIFE L3 179 1 XX VIFE status 180 185 6 XXXXXXXXXXXX Apparent net energy L3 186 1 1F DIF more records will follow in next telegram 187 1 XX CS checksum calculated from C field to last data 188 1 16 Stop character 10 2 8 Example
40. As a result inductive and capacitive loads can be used to compensate each other A43 A44 User Manual 80 2CMC484001M0201 Revision A Measurement Methods Illustration The following illustration shows a vector diagram for resistive inductive and ca pacitive loads U U U Clockwise rotation Clockwise rotation Resistive load Inductive load Capacitive load Phase A load that consumes both reactive and active energy can be divided into active displacement and reactive components The angle between the apparent power U I vector and the active power component is described as phase displacement angle or power factor angle often referred to as Cos is referred to as the power factor Illustration The following illustration shows a vector diagram for a load with an active and a reactive component Active power P U x I x cos unit W Reactive power Q U x I x sin unit var Apparent power S U x I unit VA Reactive power Apparent power M Active power The 4 power The type of load can be represented geometrically by for quadrants In the first quadrants quadrant the load is inductive and active and energy is imported energy is deliv ered from the utility to the customer In the second quadrant the load is capacitive and active energy is exported and reactive energy is imported In the third quad rant the load is inductive and active and reactive energy is exp
41. Data type 8716 1 Data type of the values stored in this R W channel 2CMC484001M0201 131 A43 A44 Revision A User Manual Communication with Modbus Data block The data block contains the load profile entries consisting of timestamp status and value There is space for up to 15 entries in the data block The load profile is read by repeatedly loading new values into the data block in backward or forward direction in time In case of backwards reading the entries in the data block are placed in ascending entry number order i e going towards older entries In case of forward reading the entries are placed in descending entry number order i e going towards more recent entries Structure of the The following table describes the structure of the data block data block Bees Entry Contents Start Size Description position Reg Hex 1 Timestamp 8720 3 Date and time when the entry was stored Date Time format 1 Status 8723 1 The status for this entry 1 Value 8724 4 The value for this entry 15 Timestamp 8789 3 Date and time when the entry was stored Date Time format 15 Status 8792 1 The status for this entry 15 Value 8793 4 The value for this entry Status register The status register holds status information for a load profile entry The following table describes the meaning of the individual bits in the status register Bit Conten
42. FD VIF extension of VIF codes 13 1 E1 VIFE cumulating counters 14 1 07 VIFE clear 15 1 XX CS checksum calculated from C field to last data 16 1 16 Stop character 2CMC484001M0201 Revision A A43 A44 User Manual Communication with M Bus 10 4 18 Set output 1 Setting the state of output 1 is performed by sending the following command all values are hexadecimal The command is not affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 08 L field calculated from C field to last user data 3 1 08 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 81 DIF size 8 bit integer 9 1 40 DIFE unit 1 10 1 FD VIF extension of VIF codes 11 1 1A VIFE digital output 12 1 XX output 1 new state 13 1 XX CS checksum calculated from C field to last data 14 1 16 Stop character 10 4 19 Set output 2 Setting the state of output 2 is performed by sending the following command all values are hexadecimal The command is not affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 09 L field calculated from C field to last user data 3 1 09 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1
43. FF ED FF 83 FF F8 00 12 05 Total current harmonic distortion for phase 3 129 8 02 FF ED FF 83 FF F8 02 09 00 32 nd current harmonic distortion for phase 3 0 9 02 FF ED FF 83 FF F8 03 78 03 33 rd current harmonic distortion for phase 3 88 8 02 FF ED FF 83 FF F8 04 04 0002 FF ED FF 83 FF F8 05 db 0202 FF ED FF 83 FF F8 06 09 0002 FF ED FF 83 FF F8 07 00 0202 FF ED FF 83 FE F8 08 OB 0002 FF ED FF 83 FF F8 09 3F 01 oF Dif OF gt No more harmonic data exist 00 00 00 00 00 00 00 00 00 89 16 A43 A44 User Manual 228 2CMC484001M0201 Revision A Communication with M Bus 10 3 6 Readout of Voltage Harmonics Read request A read request for voltage harmonics is performed by sending the following SND_UD to the meter followed by a REQ UD all values are hexadecimal Byte No Size Value Description 1 1 68 Start character 2 1 07 L field calculated from C field to last user data 3 1 07 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 00 DIF size no data 9 1 FF VIF next byte is manufacturer specific 10 1 F9 VIF extension of manufacturer specific VIFE s next VIFE specifies actual meaning 11 1 2D VIFE specifies voltage harmonics 12 XX CS checksum calculated from C field to last data 13 2 16 Stop character Rea
44. Instrumentation c icsscvdeiestedlectenn hed ss eeelaciieeden eb ee Aa 50 0 0 Hame S e aa aa A a sana nee alae a ee ee 52 54A AIAN aconse valace A cae vbadueeees slats A Aa 56 5 5 Inputs and Outputs ss 2cdeceecizscnd cuits seeded edav iste ehvaed a a aiaa 57 9 6 Internal ClOCK resene az aa e weigdtass din Gav eee seein ek 60 Dike WOODS csedt svc tceeex cud c2ovsastadtengucesie cede ctadedaesavtand cen sasecanes coed sdevsistand oouaasae eae 61 9 8 DOMAIN oy ccccces icceeek seg iiaeiai e ai E aN A Aa aAA eines 67 9 9 PREVIOUS VaIUCS erroia E EE 69 9210 Load Profle posaran r 71 2CMC484001M0201 47 A43 A44 Revision A User Manual Technical Description 5 1 Energy Values General Primary value The energy values are stored in energy registers The different energy registers can be divided into e Registers containing active reactive or apparent energy e Registers containing different tariffs or total sum of all tariffs e Registers containing energy per phase or total sum of all phases e Resettable registers e Registers containing momentary or historical value The energy values can be read via communication or directly in the display with the help of the buttons In transformer connected meters with external current transformers and some times also external voltage transformers the register value is multiplied by the total transformer ratio before it is presented on the display or sent out via commu nicat
45. L2 103A 2 VAr Unsigned Reactive Power L3 103C 2 VAr Unsigned 3 Phase Sys Active energy 103E 2 Wh 100 Unsigned 3 Phase Sys Reactive energy 1040 2 VArh 100 Unsigned Frequency 1046 2 mHz Unsigned Current transformer ratio 11A0 2 1 999999 Unsigned Voltage transformer ratio 11A2 2 1 9999 Unsigned A43 A44 110 2CMC484001M0201 User Manual Revision A Communication with Modbus 9 4 Historical Data General Header registers Get next entry In the Modbus mapping all historical data is organized as entries This concerns Previous values Demand Load profile and Event logs Entry number is the most recent entry entry number 2 is the second most recent and so on Entry number 0 is not used Readout of all types of historical values is made by writing to a group of registers called Header and reading from one or more groups of registers called Data blocks The Header is used for controlling readout with respect to date time or entry numbers and for loading new entries into the Data blocks The data blocks contain the actual data for example event log entries or energy values When there are no more entries to read all registers in the Data blocks are set to OxFFFF There are a number of standard commands that are used in the same way when reading out any type of historical data These are represented by registers in the Header separately mapped for each functionality but with the same names The following table de
46. Ox DIFE storage number bits 13 16 13 2 ED VIF time date 14 1 FF VIF next byte is manufacturer specific 15 1 F9 VIF extension of manufacturer specific VIFE s next VIFE specifies actual meaning 16 1 1A VIFE Specification for different Logs System Log 0x2e Audit Log 0x2f Net Quality Log 0x30 Settings Log 0x31 Event Log 0x32 17 22 6 XXXXXXXXXXXX Time date sec min hour day month year 23 XX CS checksum calculated from C field to last data 24 1 16 Stop character Event Offset The meter supports offset values 0 and 1 for reading the System Event Audit Net Quality and Settings logs If the offset mentioned is 0 then meter will read the A43 A44 User Manual 220 2CMC484001M0201 Revision A Communication with M Bus log in the forward direction If the offset value mentioned is 1 then it will read the data in the backward direction from the given date Data The data will be sent out with 5 events in each telegram If less than 5 events is stored in the meter for the specified date time and offset all data in the telegram after the last stored event will have status byte marked as no data available 15 hex The data sent out for each event is e Event type 1 byte binary coded e Date time stamp for start of the event 6 byte bed in order sec min hour day month year Duration of the event in seconds 2CMC484001M0201 221 A43 A44 Revision A User Manual Communication with M Bus 10 3
47. The duration of a pulse measured in R W milliseconds Turn off pulse 8C1B 1 Write the value 1 to this register to turn R W output off the chosen pulse output instance The table below lists the possible energy quantities to associate with a pulse output Quantity OBIS code Active energy import total 1 0 1 8 0 255 Active energy export total 1 0 2 8 0 255 Reactive energy import total 1 0 3 8 0 255 Reactive energy export total 1 0 4 8 0 255 Follow the steps in the table below to configure the pulse outputs Step Action 1 Choose the pulse output instance to configure by writing a number to the Pulse output instance register Allowed values are 1 4 2 Write to the Port number register to decide to which physical port the pulses are sent out for the chosen pulse output Allowed values are 0 4 where 0 means No Output 3 Write the OBIS code of the quantity that shall be used for the chosen pulse output to the Energy quantity registers Possible OBIS codes are listed above A43 A44 User Manual 144 2CMC484001M0201 Revision A Communication with Modbus Turn off a pulse output Read pulse output configuration 9 9 6 Tariffs General Mapping table Step Action Write the desired pulse frequency to the Pulse frequency active or reactive energy registers depending on the chosen energy type Write the desired pulse length to
48. a response A request frame has the following structure Slave Address Function Code Address No of Registers Error Check The following is an example of a request read total energy import etc Slave address 0x01 Function code 0x03 Start address high byte 0x50 Start address low byte 0x00 No of registers high byte 0x00 No of registers low byte 0x18 Error check CRC high byte 0x54 Error check CRC low byte 0xCO A response frame has the following structure Slave Address Function Code Byte Count Register Values Error Check The following is an example of a response Slave address 0x01 Function code 0x03 Byte count 0x30 Value of register 0x5000 high byte 0x00 Value of register 0x5000 low byte 0x15 Value of register 0x5017 high byte OxFF Value of register 0x5017 low byte OxFF Error check CRC high byte OxXX Error check CRC low byte OxXX In this example the slave with the Modbus address 1 responds to a read request The number of data bytes is 0x30 The first register 0x5000 has the value 0x0015 and the last 0x5017 has the value OxFFFF 2CMC484001M0201 95 A43 A44 Revision A User Manual Communication with Modbus 9 1 2 Function Code 16 Write multiple registers General Function code 16 is used to modif
49. all actions that are configured for the day i e the same number of times as the value read in step 2 5 Repeat step 2 4 for all day profiles i e the same number of times as the value read in step 1 Note Step 1 and 2 initiate the readout procedure and can NOT be left out even if the number of day profiles and actions used are already known S Note The Day profile number register can optionally be read together with the Num ber of actions register in step 2 The Day profile number register holds the current day profile number starting from 1 after reading the Number of day profiles register It is incremented every time the last action during the day is read from Action registers In the same way the Action number register can optionally be read together with the Action registers in step 3 The Action number register holds the current action number starting from 1 after reading the Number of actions register It is incremented every time the Action registers are read S Special days The following table describes the group of registers for configuring special days configuration Function Start Size Description Read registers Reg write Hex Number of 8CD3 1 The number of special days used 1 50 R W special days Special day 8CD4 1 Current special day number during read R number or write of configuration Special day 8CD5 3 Date and asso
50. aude aac tec eater 43 4 1 14 Setting Previous Value eisni rin ini E ERENER E AR EA 44 471 15 Setting Eoad Proe soosis ar ETA 44 A116 Setting Demand Arrea aar E E ani nea ae eine 44 4 1 17 Resetting Resettable Registers 0 ceceeeneeeeeeeeeeeeeeenneeeeeeeeaeeeeeeeeneeeeeeeaas 45 5 Technical Description siccscccssseteeccanseesncc ress eee 47 5 3 1 Measuring Harmonics ses noeneen a aera t A ENARE E A AE A 54 5 9 1 Tariff INPUtS ai a ada a aed a AT adaa 57 5 5 2 PulSe Outouts zarr a a Read aa a ete aae a E a ae oaa ea aa eee 58 5 5 2 1 Pulse Frequency and Pulse length 0 ccccceeeeeseeeeeeeeeceeeeeeeseneeeeeeeaes 58 Del Nc SYStOM LOG cs suitcase arto ep dee ee aticiet adie ers 61 9 72 Event Log meii r dade ended uate ean evn 62 SA Net Quality LOG ara aa enced AE ARR veliad vind eed eet 63 57A Audit LOG otic elite de i ee ei ions aden elite ddd dees 63 9 f 0 SOWINGS LOG nne oie elect a a a SEa es 64 5 7 6 Event codes cusan i raa EA Wc a AA Ee TAE T aa nel 64 6 Technical dat 2 sacesedeczcccdetezctatucacasacec ceca bettcecohecscnedetieetedecneeteeniscteine tie 73 7 Measurement Methods cssseeeeeeceeeeeeeeeeeeeeeeeeeseeeseeeeeeeseeesseneeeeeeeees 79 7 1 1 Single Phase 1 Element Metering 0 ccceceeeceeeeeeeeeteneeeeeeeteeeeeeeeaeeeereeea 82 7 1 2 3 Phase 2 Element Metering c cccecceceeeeeeteeeeceeeaaecaeeeeeeeeeeseeeessennieaeeees 84 7 1 3 3 Phase 3 Element Meteri
51. ccc cc tsce sco fone ctetis pace sedececececeestcacensicecceceoteceueteneiwaecseteass 9 2 lnstallatio n eases ete lace eat et a ete etal 15 2 3 1 Configuring the meter nenien a E TE 20 2 4 1 Direct connected meters e ccccceeeceeceeeseeeeeeeenseneeeeeeneneseeeenseeeeeeenneesseeeeeneaeees 21 2 4 2 Transformer connected meters without voltage transformer eesse 22 2 4 3 Transformer connected meters with voltage transformer ccceeeeeeeeeeeeeees 23 2 4 4 nputs Outputs s c 2e4 cs hoe edeh sas slee nected e aaa a eden a auto e 25 2 AS COMMUNICATION 2525 cp css ect eds E T E EAE A ATR 26 S User Interac 35st cet ere eee eee 27 4 Meter Settings iiris occas cece cade eseasec ses atesacenatecaccetedcewecntescecicdesesatveassracstacexte 33 Ad SUING ALS aoea A Getssh ia cea tutes dente I cpu ATOT 34 4i e SOtING MNE eei Ea meee E EE iad E 35 AAS SOUING RAMOS a T a A A 35 KTA SSiN WIRES airnn a n a ih Ghee E R R Ra 35 41S Setting Pose OUDOT iraa aka ee A 35 AN6 Setting I O iien a ea ia aa a a a 36 AAT SOMO AIT siea T E ia deead cette ss 37 418 Sop Curone V CO2 re Er EET A TE 40 AAO Setting RSA E D a aaia aeaa a a aae aaa a raae a a 40 Ae VAO Setting IR SIde a eena a a ea E aaa 41 4 1 11 Setting Upgrade Consent ssesssssessssrresserrrnessssnneesrrnnnanetnnnaastnnnnesnnnannesenanneena 43 41 12 Sating PULE LED lt icik oti a E iin haaetaseioiie 43 ATAS o GROT EAN uf ec228 ct ace eas acta aes eee Sasa nea
52. chapter describes how to mount the A43 A44 meters and how to connect them to an electricity network The chapter also contains information about how to perform a basic configuration of the meter Information about how to connect I O and communication options is also in cluded in this chapter In this chapter The following topics are covered in this chapter 2 1 Mounting the Meter eesriie ae a TEE E EERE 16 2 2 Environmental Considerations seeeseeeeeeeeeeerreseeerrnestrrrsestrrnsseee nee 18 2 3 Installing the Meter od E E 19 2 3 1 Configuring the Meter ccccceceeecceceeeeseeceeeeeeseeceeeeeseeeeeeeeenseees 20 2 4 Wiring Diagrams ec ceeeeeeee eee eeeee eee eeenneeeeeeeeaaeeeeeeeaaeeeeeeeiaeeeeeneeaas 21 2 4 1 Direct connected Meters eceeeeeeeeteeeeeeeenteeeeeeeesaeeeeeeeeaaas 21 2 4 2 Transformer connected meters without voltage transformer 22 2 4 3 Transformer connected meters with voltage transformer 23 2 4 4 Inputs OUtDUtS saoe ee eee eeeeeeeaeeaeeeeeeeeeeeeeeteeeeneeaeens 25 2 4 5 Communication c i c cahetie andi ase A iN 25 2CMC484001M0201 15 A43 A44 Revision A User Manual Installation 2 1 Mounting the Meter General This section describes different ways to mount the A43 A44 meters For some methods of mounting additional accessories are needed For further information about accessories refer to the Main Catalog 2CMC480001C0201 DIN rail mounted The A43 A44 met
53. data The most re cent values are sent out first having storage number 1 then the second most re cently stored values with storage number 2 and so on until all stored previous values have been read If no previous values exist in a meter with internal clock a telegram is sent out where all data is marked with status byte for No data avail able It is also possible to read previous values starting from a specific date and back wards in time by sending a special read request Note Note Normally the meter is configured to send out power values as 32 bit integers expressed in W or var VA with 2 decimals This means that the maximum power possible to express is approximately 21 MW Below following sections is an example of a readout of the 7 default telegrams and 2 previous values telegrams containing the most recent snapshot of previous values Note that these are examples only data types and scaling of the quantities can differ between meters as well as the allocation of quantities to different tele grams 10 2 1 Example of the 1st telegram all values are hexadecimal Byte No Size Value Description 68 Start character FA L field calculated from C field to last user data FA L field repeated 68 Start character 08 C field RSP_UD XX A field address 72 Cl field variable data respond LSB first XXXXXXXX Identification Number 8 BCD digits
54. data for the currently pending period will be sent out with storage number set to 0 the most recent stored historical values will have storage number 1 the next set of historical values will have storage number 2 etc If data have not been generated for a quantity the demand value is set to 0 and the date time is set to 00 00 00 00 00 00 This is the case for the currently pending period before any demand have been stored that is while the very first interval in a measurement period is pending It will also happen if a particular tariff has not been active in a measurement period 10 3 2 1 Examples of Readouts of Demand Data Introduction In the following is a number of commented practical examples of demand data All data is in hexadecimal format Comments are preceded by a semicolon The examples contain only maximum values For minimum values the function field in the DIF is set to 10 hex instead of 01 hex 2CMC484001M0201 Revision A 213 A43 A44 User Manual Communication with M Bus Readout of demand data System sends read request command for demand 68 OA OA 68 73 FE 51 02 EC FF F9 18 Cl 07 88 16 Meter sends out acknowledge E5 System sends out request UD2 10 7B FE 79 16 Meter sends out data telegram 68 E8 E8 68 08 00 72 44 47 24 00 42 04 02 02 04 00 00 00 Data header 01 FD 25 OF Interval length 15 minutes 94 10 29 60 57 2A 00 Current maximum demand storage nu
55. e Alarm current L2 e Alarm Current L3 e Alarm Current Neutral e Alarm Active Power Total e Alarm Active Power L1 e Alarm Active Power L2 e Alarm Active Power L3 e Alarm Reactive Power total e Alarm Reactive Power L1 e Alarm Reactive Power L2 e Alarm Reactive Power L3 e Alarm Apparent power Total e Alarm Apparent power L1 e Alarm Apparent power L2 e Alarm Apparent power L3 e Alarm Power Factor Total e Alarm Power Factor L1 e Alarm Power Factor L2 e Alarm Power Factor L3 A43 A44 62 2CMC484001M0201 User Manual Revision A Technical Description 5 7 3 Net Quality Log Contents This log stores alarms and information that relates to net quality The following events are stored in this log U1 Missing Warning U1 is missing U2 Missing Warning U2 is missing U3 Missing Warning U3 is missing Frequency Warning Net frequency is not stable Alarm Voltage L1 Alarm Voltage L2 Alarm Voltage L3 Alarm Voltage L1 L2 Alarm Voltage L2 L3 Alarm Voltage L1 L3 Alarm Harmonic Voltage L1 Alarm Harmonic Voltage L2 Alarm Harmonic Voltage L3 Alarm Harmonic Voltage L1 L2 Alarm Harmonic Voltage L2 L3 Alarm Harmonic Voltage L1 L3 5 7 4 Audit Log Contents The Audit Log stores an event after an attempt has been made to upgrade the firmware The following information is stored in an event e Date and Time Firmware version Active Energy import Active Energy import L1 Active Energy import L2 Active En
56. end of interval 11 Active import energy consumption per interval 12 Reactive import energy register values at end of interval 13 Reactive import energy consumption per interval 14 Input 1 register values at end of interval 15 Input 1 number of counts per interval 16 Input 2 register values at end of interval 17 Input 2 number of counts per interval 1C Active export energy register values at end of interval 1D Active export energy consumption per interval 1E Reactive export energy register values at end of interval 1F Reactive export energy consumption per interval 20 Apparent import energy register values at end of interval 21 Apparent import energy consumption per interval 22 Apparent export energy register values at end of interval 23 Apparent export energy consumption per interval 24 Input 3 register values at end of interval 25 Input 3 number of counts per interval 26 Input 4 register values at end of interval 27 Input 4 number of counts per interval 28 Current average values per interval 29 Voltage average values per interval 2A THD voltage average values per interval 2B THD current average values per interval 2C Power factor average values per interval 13 18 XXXXXXXXXXXX Time date sec min hour day month year 19 XX CS checksum calculated from C field to last data 20 16 Stop character Read request for load profile quantities with phase no s
57. end of interval 1F Reactive export energy consumption per interval 20 Apparent import energy register values at end of interval 21 Apparent import energy consumption per interval 22 Apparent export energy register values at end of interval 23 Apparent export energy consumption per interval 24 Input 3 register values at end of interval 25 Input 3 number of counts per interval 26 Input 4 register values at end of interval 27 Input 4 number of counts per interval 28 Current average values per interval 29 Voltage average values per interval 2A THD voltage average values per interval 2B THD current average values per interval 2C Power factor average values per interval 13 FF Next byte is manufacturer specific 14 XX Entity corresponding to phase nos L1 L2 L3 L1 L2 L2 L3 L1 L3 N 15 20 XXXXXXXXXXXX Time date sec min hour day month year 21 XX CS checksum calculated from C field to last data 22 16 Stop character Read request for load profile with channel no specified as input A read request for a load profile with channel no specified as input is performed by sending the following SND_UD to the meter followed by a REQ UD all values are hexadecimal Byte No Size Value Description 1 1 68 Start character 2 1 11 L field calculated from C field to last user data 3 1 11 L field repeated
58. field calculated from C field to last user data 3 1 OA L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 81 DIF size 8 bit integer 9 1 80 DIFE unit 0 10 1 80 DIFE unit 0 11 1 40 DIFE unit 4 12 1 FD VIF extension of VIF codes 13 1 1A VIFE digital output 14 1 XX output 4 new state 15 1 XX CS checksum calculated from C field to last data 16 1 16 Stop character 2CMC484001M0201 Revision A A43 A44 User Manual Communication with M Bus 10 4 22 Reset power outage time Reset of power outage time is performed by sending the following command all values are hexadecimal The command is not affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 07 L field calculated from C field to last user data 3 1 07 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 00 DIF size no data 9 1 FF VIF next byte is manufacturer specific 10 1 EC VIFE power outage time 11 1 07 VIFE clear 12 1 XX CS checksum calculated from C field to last data 13 1 16 Stop character 10 4 23 Send password Password is sent with the following command all values are hexadecimal Byte No Size Value Description 1 1 68 Start
59. for an enhancement of VIF s other than FDh and FBh VIFE code Description E010 0111 Per measurement interval 2 E011 1001 Start date time of E110 1f1b Date time of b 0 end of b 1 begin of f is not used in meters always 01 2 1111 1111 Next VIFE is manufacturer specific 1 Date time of or duration of relates to the information which the whole data record con tains 2 The information about usage of data type F date and time or data type G date can be derived from the data field 0010b type G 0100 type F 10 1 2 4 First manufacturer specific VIFE codes VIFE code Description E000 0000 Total E000 0001 L1 E000 0010 L2 E000 0011 L3 E000 0100 N E000 0101 L1 L2 E000 0110 L3 L2 E000 0111 L1 L3 E001 0000 Pulse frequency E001 0011 Tariff E001 0100 Installation check E001 0101 Status of values E001 0111 Current quadrant E001 1000 Power fail counter 2CMC484001M0201 Revision A 165 A43 A44 User Manual Communication with M Bus VIFE code Description E010 0000 Current Transformer ratio numerator CT ratio E010 0001 Voltage Transformer ratio numerator VT ratio E010 0010 Current Transformer ratio denominator CT ratio E010 0011 Voltage Transformer ratio denominator VT ratio E010 0100 CO2 conversio
60. gt Unit 5 160 1 84 VIF for unit kVAh with resolution 0 01kVAh 161 1 XX VIFE status 162 167 6 XXXXXXXXXXXX Apparent exported energy Total 168 1 1F DIF more records will follow in next telegram 169 1 XX CS checksum calculated from C field to last data 170 1 16 Stop character 10 2 6 Example of the 6th telegram all values are hexadecimal Byte No Size Value Description 1 1 68 Start character 2 1 F7 L field calculated from C field to last user data 3 1 F7 L field repeated 4 1 68 Start character 5 1 08 C field RSP_UD 6 1 XX A field address 7 1 72 Cl field variable data respond LSB first 8 11 4 XXXXXXXX Identification Number 8 BCD digits 12 13 2 4204 Manufacturer ABB 14 1 02 Version 15 1 02 Medium 02 Electricity 16 1 XX Number of accesses 17 1 XX Status 18 19 2 0000 Signature 0000 no encryption 20 1 OE DIF size 12 digit BCD 21 1 84 VIF for units kWh with resolution 0 01kWh 22 1 FF VIFE next byte is manufacturer specific 23 1 81 VIFE L1 2CMC484001M0201 191 A43 A44 Revision A User Manual Communication with M Bus Byte No Size Value Description 24 1 XX VIFE status 25 30 6 XXXXXXXXXXXX Active imported energy L1 31 1 OE DIF size 12 digit BCD 32 1 84 VIF for units kWh with resolution 0 01kWh 33 1 FF VIFE next byte is manufacturer specific 34 1 82 VIFE L2 35 1 XX VIF
61. holds the current season number starting from 1 after reading the Number of seasons register It is incremented every time the Season registers are read The following table describes the group of registers for configuring week profiles Function Start Size Description Read Reg write Hex Number of week 8CB5 1 The number of week profiles used 1 4 R W profiles Week profile 8CB6 1 Current week profile number during read R number or write of configuration Week profile 8CB7 22 Name and day IDs for the week profile R W The following table describes the group of registers for configuring a week profile Function Start Size Description Read Reg write Hex Week profile 8CB7 15 The week profile name Same format as R W name described in Season registers above Day ID monday 8CC6 1 Day ID for monday Allowed values are R W 1 16 Day ID 1 os R W Day ID sunday 8CCC 1 Day ID for sunday Allowed values are 1 R W 16 Note All 22 registers in the table above must be written in one operation otherwise the values will not take effect Note If the tariff configuration has been performed using any other communication protocol other values than 1 16 can occur for Day IDs When configuring over Mod bus though the values written have to be within this range A43 A44 User Manual 148 2CMC484001M0201 Revision A Com
62. imbalance error is usually however rather small typically 0 2 and if the cur rents are balanced the total error in the energy measurement will be very small as a too small energy measurement on one element will be compensated by approx imately opposite errors for the other phases 2CMC484001M0201 87 A43 A44 Revision A User Manual Measurement Methods Illustration The following diagram shows a 3 element transformer connected meter with the neutral disconnected 3 element metering with 2 transformers It is also possible to use a 3 element meter with only 2 current transformers This type connection is possible both with and without the neutral available or the neutral left floating Note that if the current transformers are connected to protective earth it must be connected in only one point Both methods require a balanced system voltages and currents the same in all 3 phases It shall also be mentioned that having a floating neutral also can give additional errors in the measured voltages due to impedance unlinearity and imbalance inside the meter Illustration The following diagram shows a 3 element transformer connected meter with 2 current transformers A43 A44 88 2CMC484001M0201 User Manual Revision A Measurement Methods Illustration The following diagram shows a 3 element transformer connected meter with 2 current transformers and a floating neutral Summation The currents from s
63. imported energy L3 105 1 CE DIF size 12 digit BCD storage number bit 0 106 1 40 DIFE Unit 1 107 1 84 VIF for units kWh with resolution 0 01kWh 108 1 FF VIFE next byte is manufacturer specific 109 1 81 VIFE L1 110 1 XX VIFE status 111 116 6 XXXXXXXXXXXX Active exported energy L1 117 1 CE DIF size 12 digit BCD storage number bit 0 118 1 40 DIFE Unit 1 119 1 84 VIF for units kWh with resolution 0 01kWh 120 1 FF VIFE next byte is manufacturer specific 121 1 82 VIFE L2 122 1 XX VIFE status 123 128 6 XXXXXXXXXXXX Active exported energy L2 129 1 CE DIF size 12 digit BCD storage number bit 0 130 1 40 DIFE Unit 1 131 1 84 VIF for units kWh with resolution 0 01kWh 132 1 FF VIFE next byte is manufacturer specific 133 1 83 VIFE L3 134 1 XX VIFE status 135 140 6 XXXXXXXXXXXX Active exported energy L3 141 1 CE DIF size 12 digit BCD storage number bit 0 142 1 10 DIFE tariff 1 storage number bit 1 4 143 1 84 VIF for units kWh with resolution 0 01kWh 144 1 XX VIFE status 145 150 6 XXXXXXXXXXXX Active imported energy tariff 1 151 1 CE DIF size 12 digit BCD storage number bit 0 152 1 20 DIFE tariff 2 storage number bit 1 4 153 1 84 VIF for units kWh with resolution 0 01kWh 154 1 XX VIFE status 155 160 6 XXXXXXXXXXXX Active imported energy tariff 2 161 1 CE DIF size 12 digit BCD storage number bit 0 162 1 30 DIFE tariff 3 storage number bit 1 4 163 1 84 VIF for units kWh with resolution 0 01kWh 164 1 XX VI
64. in the meter sometimes used by the meter to perform a certain action Telegrams that contains no data usually initiates a certain action in the meter Some of the commands can be protected by a password There are 3 different levels of write access level protection e Open e Open by password e Closed The write access level can be set either via the buttons directly on the meter or via communication using the set write access level command If the access level is set to Open the meter will always accept the command as long as the the meter is properly addressed and the syntax and checksum are cor rect If the accsess level is set to Open by password the specific command sent to the meter must be preceded by a send password command in order for the meter to accept the command If the accsess level is set to Closed the meter will not accept any command but will just return an acknowledge character E5 hex To change this access level protection the access level has to be set to Open via the buttons directly on the meter Note Commands that are not affected by the write access level protection only require a correct message with correct address syntax and checksum to be accepted For meters with tariff control the active tariff is set by sending the following com mand all values are hexadecimal The command is not affected by the write protection level set Byte No Size
65. instrumentation values Averages of instrumentation values are used in load profile recording The following table lists the OBIS codes for averaging of instrumentation values Quantity OBIS code Voltage L1 1 0 32 27 0 255 Voltage L2 1 0 52 27 0 255 Voltage L3 1 0 72 27 0 255 Voltage L1 L2 1 0 134 27 0 255 Voltage L2 L3 1 0 135 27 0 255 Voltage L1 L3 1 0 136 27 0 255 Current L1 1 0 31 27 0 255 Current L2 1 0 51 27 0 255 Current L3 1 0 71 27 0 255 Current N 1 0 91 27 0 255 Power factor total 1 0 13 27 0 255 Power factor L1 1 0 33 27 0 255 Power factor L2 1 0 53 27 0 255 Power factor L3 1 0 73 27 0 255 Min Max of instrumentation values and powers Minimum and maximum of instrumentation values and powers are used for the Demand function In the table below the byte shown as X can have any of the values 3 6 13 or 16 The meaning of these values is described after the OBIS code table The following table lists the OBIS codes for minimum maximum of instrumentation values and powers Quantity OBIS code Voltage L1 1 0 32 X 0 255 Voltage L2 1 0 52 X 0 255 Voltage L3 1 0 72 X 0 255 Voltage L1 L2 1 0 134 X 0 255 Voltage L2 L3 1 0 135 X 0 255 Voltage L1 L3 1 0 136 X 0 255 2CMC484001M0201 117 A43 A44 Revision A User Manual Communication with Modbus Quantity OBIS code Current L1 1 0 31 X 0 255 Current L2 1 0 51 X 0
66. min hour ce 00 84 00 39 58 17 00 00 00 Daily value for total import active energy here 1758 39 kwh ce 40 84 00 35 18 27 01 00 00 Daily value for total export active energy here 12718 35 kwh ce 80 40 84 00 23 75 02 00 00 00 Daily value for total import reactive energy here 275 23 kvarh ce c0 40 84 00 35 02 00 00 00 00 Daily value for total export reactive energy here 2 35 kvarh ce 00 84 ff 81 00 27 83 75 07 00 00 Daily value for active energy import L1 here 77583 27 kwh ce 00 84 ff 82 00 23 75 02 00 00 00 Daily value for active energy import L2 here 275 23 kwh ce 00 84 ff 83 00 35 02 00 00 00 00 Daily value for active energy import L3 here 2 35 kwh ce 40 84 ff 81 00 39 58 17 00 00 00 Daily value for active energy export L1 here 1758 39 kwh ce 40 84 ff 82 00 35 18 27 01 00 00 Daily value for active energy export L2 here 12718 35 kwh ce 40 84 ff 83 00 27 83 75 07 00 00 Daily value for active energy export L3 here 2CMC484001M0201 Revision A 217 A43 A44 User Manual Communication with M Bus 77583 27 kwh ce 10 84 00 00 00 00 00 00 00 Daily value for tariff 1 active energy here 0 0 kwh ce 20 84 00 00 00 00 00 00 00 Daily value for tariff 2 active energy here 0 0 kwh ce b0 00 84 00 00 00 00 00 00 00 Daily value for tariff 3 active energy here 0 0 kwh ce 80 10 84 00 00 00 00 00 00 00 Daily value for tariff 4 active energy here 0 0 kwh ce 90 40 84 00 00 00 00 00 00 00 Daily value for
67. minimum Read request Log System Event quality audit and Transformer Logs Read request current harmonics Read request voltage harmonics Read Write Load profile settings Read Write Previous value settings 2CMC484001M0201 157 A43 A44 Revision A User Manual Communication with M Bus Command Read Write Alarm settings Read Write Tariff settings 10 1 1 Telegram Format General 10 1 1 1 General The L Field M Bus uses 3 different telegram formats The formats are identified by the start character Single Character Short Frame Long Frame E5H Start 10h Start 68h C Field L Field A Field L Field Check Sum Start 68h Stop 16h C Field A Field Cl Field User Data 0 252 Bytes Check Sum Stop 16h The Single Character format consists of a single character and is used to ac knowledge received telegrams The Short Frame format is identified by its start character 10h and consists of five characters Besides the C and A fields it includes the check sum and the stop character 16h The Long Frame format is identified by its start character 68h and consists of a variable number of characters After the start character the L field is transmitted twice then the start character once again followed by the C A and Cl fields The user data 0 252 bytes is transmitted after the Cl field followed by the check sum and the
68. of registers low byte 0x01 2CMC484001M0201 97 A43 A44 Revision A User Manual Communication with Modbus Response frame 9 1 3 1 General Exception frame Exception codes Error check CRC high byte 0x62 Error check CRC low byte OxDE Using function code 6 the response frame is an echo of the request frame Exception Responses If an error should occur while processing a request the meter gives an exception response that contains an exception code An exception frame has the following structure Slave Address Function Code Exception Code Error Check In the exception response the function code is set to the function code of the request plus 0x80 The exception codes that are used are listed in the following table Exception code Exception Definition 01 Illegal function A function code that is not supported has been used 02 Illegal data address The requested register is outside the allowed range 03 Illegal data value The structure of a received message is incorrect 04 Slave device failure Processing the request fail due to an internal error in the meter A43 A44 User Manual 98 2CMC484001M0201 Revision A Communication with Modbus 9 2 Reading and Writing to Registers Readable registers Multi register values Unused registers Writing to registers The readable ran
69. of the registers Entry number Date Time or Direction a new search is started in the persistent storage which can take a long time depending on how old the entry searched for is The response from Modbus is given after the search is finished i e when the requested entry has been found Recent entries are found fast whereas finding the oldest can take seconds or even up to about a minute if there are many thousands of newer values It is therefore preferable to start reading from a recent entry number or date time and then go backwards in time Writing to the Get next entry register continues the ongoing search and consequently goes fast 9 4 1 Quantity identifiers Total energies The quantities stored in Previous values Demand and Load profile are identified by OBIS codes The OBIS code is a 6 byte identifier The tables below list the OBIS codes for all quantities possible to configure The following table lists the OBIS codes for total energies Quantity OBIS code Active energy import total 1 0 1 8 0 255 Active energy export total 1 0 2 8 0 255 Active energy net total 1 0 16 8 0 255 Reactive energy import total 1 0 3 8 0 255 A43 A44 114 2CMC484001M0201 User Manual Revision A Communication with Modbus Energies per tariff The following table lists the OBIS codes for energies per tariff Energies per phase Quantity OBIS code Reactive energy export total 1 0 4 8 0 25
70. specific 10 1 23 VIFE VT ratio denominator 11 14 4 XX XX XX XX New VT ratio denominator 15 1 XX CS checksum calculated from C field to last data 16 1 16 Stop character 10 4 9 Select status information To change the way the status information is sent out the following command is sent all values are hexadecimal The command is not affected by the write pro tection level set Byte No Size Value Description 1 1 68 Start character 2 1 07 L field calculated from C field to last user data 3 1 07 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 01 DIF size 8 bit integer 9 1 FF VIF next byte is manufacturer specific 10 1 15 VIFE status of values status byte on the values 11 1 XX 0 never 1 status if not OK always 12 1 XX CS checksum calculated from C field to last data 13 1 16 Stop character 2CMC484001M0201 239 A43 A44 Revision A User Manual Communication with M Bus 10 4 10 Reset of stored state for input 1 Reset of stored state for input is performed by sending the following command all values are hexadecimal The command is not affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 08 L field calculated from C field to last user data 3 1 08 L field repe
71. status 186 193 8 XXXXXXXXXXXXXXXX 64 Information flags 194 1 07 DIF size 64 bit integer 195 1 FF VIF next byte is manufacturer specific 196 1 A9 VIFE alarm flags binary 197 1 XX VIFE status 198 205 8 XXXXXXXXXXXXXXXX 64 Alarm flags 206 1 OE DIF size 12 digit BCD 207 1 ED VIF time date 208 1 XX VIFE status 209 214 6 XXXXXXXXXXXX Time and date sec min hour day month year 215 1 01 DIF size 8 bit integer 216 1 FF VIF next byte is manufacturer specific 217 1 F9 VIF extension of manufacturer specific VIFE s next VIFE specifies actual meaning 218 81 VIFE DST day of week day type season 219 1 XX VIFE status 220 1 XX DST data in bit 0 1 DST active 0 DST inactive Day of week data in bit 1 3 001 111 Monday Sunday Type of day data in bit 4 5 00 11 Type of day 1 4 Season data in bit 6 7 00 11 Season 1 4 221 1 OD DIF size variable length ASCII coding 222 1 FD VIF extension of VIF codes 223 1 8E VIFE Firmware 224 1 XX VIFE status 225 1 0C Byte specifying length see note below 226 237 12 XXXXXXXXXXXXXXXXX Firmware version ASCII coded LSB byte first see XXXXXXX note below 238 1 OD DIF size variable length ASCII coding 239 1 FF VIF next byte is manufacturer specific 240 1 AA VIFE Type designation 241 1 XX VIFE status 242 1 0B Byte specifying length 243 253 11 XXXXXXXXXXXXXXXXX Type designation ASCII coded LSB byte first for ex XXXXX ample A44 552 100 254 1 1F DIF more records will fo
72. stored A new setting for either CT VT or number of elements will not be accepted because no more log events can be stored It is possible to delete all entries in the System Log The Event Log and the Net Quality Logvia communication 5 7 1 System Log Contents This log stores events that relate to errors in the meter The following information is stored in an event e Date and time e Event Code e Duration The following events are stored in this log e Program CRC Error Error when checking firmware consistency e Persistent Storage Error Data stored in long term memory is corrupt RTC Circuit Error Error when trying to read date and time from real time clock 2CMC484001M0201 Revision A 61 A43 A44 User Manual Technical Description 5 7 2 Event Log This log stores events that relate to alarms and configuration warnings Contents The following information is stored in an event e Date and Time e Event Code e Duration The following events are stored in this log e Date Not Set Warning Date has not been configured for RTC Time Not Set Warning Time has not been configured for RTC e Negative Power Element 1 Warning Element 1 measures negative power e Negative Power Element 2 Warning Element 2 measures negative power e Negative Power Element 3 Warning Element 3 measures negative power e Negative Total Power Warning Total power is measured as negative e Alarm Current L1
73. stored state for input 2 cccceccecceceeeeeeeeeteeeeenceeeeeeeeeeeeeeeeteeeteees 240 10 4 12 Reset of stored state for input 3 cccceccecccceeeeeeeeeteeeeecceeaeeeeeeeeeeeeeteeeeeees 241 10 4 13 Reset of stored state for input 4 ccc cceecceceeceeeeeeeeeeeeeeeeceeaeeeeeeeeeeeeeeeeeeeees 241 10 4 14 Reset of input Counter o cee ee ceceececee cee ee erect eee ee eee neeeaeeeeeeeeeeeeeeeeeeeeea 242 10 4 15 Reset of input counter 2 o oo cece eee ceeeecccee cee eeeeeeee ee ee tee caeaeeeeeeeeeeeeeteeeieeea 242 10 4 16 Reset of input counter 3 o oo cece ce cee eeceeeececee cee eeeeeee eee eeteeeeceaeaeseeeeeeeeeeeeeeeieeea 243 10 4 17 Reset of input Counter 4 o cc eceecececcececee cee ee eee ee eee eeteeceeceaeaeeeeeeeeeeeeeteeeieeea 243 10 4 18 Set output ox gece aeteli eee e a a a ibe alae aaa ae eea aa 244 10 4 19 Set output 2 oi ir tess eet hie nels ete eh eed 244 10 4 20 Set o tp t 3z ae ede aat anda aaae dans assent ad eee 245 10 4 21 Set outputs ini ea aee i E a ea aaa a EE E aE uteri 245 10 4 22 Reset power outage time sssseeiesseeirsssertrrtstttrrsstttrttttttttnntsttnrnnttennnnnanna 246 10 4 23 Send password c cccecccececceeeeeeeeeeeeeceaaeaaeceeeeeeeeeeesedeendceccaaeeeseeeeeeeeeeeees 246 10 4 24 Set paSSword deri raean eea e ean E a eE a on ee OA EE Daa A AEL aaan 246 10 4 25 Set date and time ccccccccccce cece cece cece eeeeeeeceeceeeee
74. that shall be measured Press Set the demand type Press 7 to continue 9 The demand level will be set automatically to continue The first channel is now set To set the next channel repeat step 3 9 Up to 50 channels can be set 4 1 17 Resetting Resettable Registers To reset registers perform the following steps Choose the Settings icon in the main menu press e Choose Resettable registers Rst Reg on the display press 9 The display will show the different registers to reset Depending on the l 2 3 meter type the available choices are Register On the display Active Energy Imported Total Act Imp Active Energy Exported Total Act Exp Reactive Energy Imported Total Rea lmp Reactive Energy Exported Total Rea Exp Reset all All 4 Toggle through the pages and reset the desired registers 2CMC484001M0201 Revision A 45 A43 A44 User Manual A43 A44 46 2CMC484001M0201 User Manual Revision A Technical Description Chapter 5 Technical Description Overview This chapter contains technical descriptions of the meter functions Depending of the meter type the meter may contain all or a subset of the functions described in this chapter In this chapter The following topics are covered in this chapter Sed Energy Values i eaea a E dedeageetaptanaeets audits wea dhaite 48 9 2
75. the Pulse length registers Repeat steps 1 to 5 for all pulse outputs Follow the steps in the table below to turn off a pulse output instance Step Action 1 Choose the pulse output instance to configure by writing a number to the Pulse output instance register Allowed values are 1 4 2 Write the value 1 to the Turn off pulse output register Follow the steps in the table below to read the current pulse output configuration Step Action 1 Choose the pulse output instance to read configuration for by writing a number to the Pulse output instance register Allowed values are 1 4 2 Read the Port number register to get the I O port number used by the chosen pulse output instance 3 Read the Energy quantity registers to get the OBIS code of the quantity used for the chosen pulse output instance 4 Read the Pulse frequency active or reactive energy registers depending on the chosen energy type to get the pulse frequency used by the chosen pulse output instance 5 Read the Pulse length registers to get the pulse length used by the chosen pulse output instance 6 Repeat steps 1 to 5 for all pulse outputs Tariff configuration defines the currently used tariff source i e communication clock or inputs It is also defines the settings that are specific for each of these sources The following table shows an overview of the mapping tabl
76. the interval e Data overflow in interval e Intervals are too long or too short e Power outage occurred during the interval If one or several of these status events occur during an interval the extra VIFE s FF FE Ox are sent out where x is a bit 4 0 and have the following meaning if set Bit 4 Date time was changed during the interva Bit 3 Data overflow in interval Bit 2 Power outage occurred during interval Bit 1 Short interval Bit 0 Long interval 10 3 1 1 Examples of Readouts of Load Profile Data Introduction In the following are a number of practical examples of load profile readouts All data is hexadecimal and comments are preceded by a semicolon A43 A44 210 2CMC484001M0201 User Manual Revision A Communication with M Bus Readout of day 1 of active energy load profile register values Reading active energy import total 10 40 fe 3e 16 Reading acknowledge e5 Sending Direct access with Date command 68 0a 0a 68 73 fe 51 02 ec ff f9 10 69 11 32 16 Readout load profile with date spcecified Date 09 01 2011 9th January 2011 Reading acknowledge e5 Sending Request User Data 2 10 7b fe 79 16 Data block 1 68 89 89 68 08 00 72 00 00 00 00 42 04 10 02 18 2a 00 00 Header Information 44 ed eb 00 24 00 69 11 Date and time at the end of the interval 09 01 2011 9th January 2011 01 fd a5 00 01 Interval length 1 minute 4e 84 15 00 00 00 00 00 00 Total acti
77. the master resends the same tele gram with the same FCB The meter answers to a REQ UD2 request with tog gled FCB and a set FCV with a RSP_UD containing the next telegram of a multi telegram answer If the FCB is not toggled it will repeat the last telegram The actual values will be updated in a repeated telegram On receipt of a SND_NKE the meter clears the FCB The meter uses the same FCB for primary addressing secondary addressing and point to point communi cation The bits 0 to 3 FO F1 F2 and F3 of the control field are the function code of the message The following table shows the function codes Comand C Field C Field Telegram Description binary hex SND_NKE 0100 0000 40 Short frame Initialization of meter SND_UD 01F1 0011 53 73 Long frame Send user data to meter REQ_UD2 01F1 1011 5b Short frame Request for class 2 data RSP_UD 0000 1000 08 Long frame Data transfer form meter to master after request 2CMC484001M0201 Revision A 159 A43 A44 User Manual Communication with M Bus A Field The A Field address field is used to address the recipient in the calling direction and to identify the sender of information in the receiving direction The size of this field is one byte and can therefore take values from 0 to 255 The following table shows the allocation of addresses Addr
78. the meter fol lowed by a REQ UD2 all values are hexadecimal Byte No Size Value Description 1 1 68 Start character 2 1 OA L field calculated from C field to last user data 3 1 OA L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 02 DIF size 2 byte integer 9 1 EC VIF time point date M Bus data type G 10 1 FF VIF next byte is manufacturer specific 11 1 F9 VIF extension of manufacturer specific VIFE s next VIFE specifies actual meaning A43 A44 User Manual 212 2CMC484001M0201 Revision A Communication with M Bus Comments Byte No Size Value Description 12 1 18 VIFE specifies maximum demand 13 14 2 XXXX Date M Bus data type G LSB byte sent first 15 1 XX CS checksum calculated from C field to last data 16 1 16 Stop character The demand data stored for a measured period is sent out in one or more telegrams depending on the number of chennels that are used The data that is sent out is interval length demand values for all channels and a date time stamp for the end of the measured period Each demand value is also followed by the date time stamp for the end of the interval in which the minimum maximum occured The date time information is sent out in format 6 byte BCD in order second min ute hour day month and year The
79. to smart search The search type can be config ured via communication Each load profile data value is associated with a status value The status value gives information such as e Interval is longer or shorter than defined length e Power outage occurred during interval e Data not available 2CMC484001M0201 Revision A 71 A43 A44 User Manual Technical Description Selectable Depending on the meter type all or a subset of the following quantities can be quantities selected ACTIVE ENERGY IMPORT TOTAL APPARENT ENERGY IMPORT L3 ACTIVE ENERGY EXPORT TOTAL APPARENT ENERGY EXPORT L1 ACTIVE ENERGY IMPORT L1 APPARENT ENERGY EXPORT L2 ACTIVE ENERGY IMPORT L2 APPARENT ENERGY EXPORT L3 ACTIVE ENERGY IMPORT L3 ACTIVE ENERGY CURRENCY CONVER SION ACTIVE ENERGY EXPORT L1 ACTIVE ENERGY CO2 CONVERSION ACTIVE ENERGY EXPORT L2 VOLTAGE L1 ACTIVE ENERGY EXPORT L3 VOLTAGE L2 REACTIVE ENERGY IMPORT TOTAL VOLTAGE L3 REACTIVE ENERGY EXPORT TOTAL VOLTAGE L1 L2 REACTIVE ENERGY IMPORT L1 VOLTAGE L2 L3 REACTIVE ENERGY IMPORT L2 VOLTAGE L1 L3 REACTIVE ENERGY IMPORT L3 CURRENT L1 REACTIVE ENERGY EXPORT L1 CURRENT L2 REACTIVE ENERGY EXPORT L2 CURRENT L3 REACTIVE ENERGY EXPORT L3 CURRENT Neutral APPARENT ENERGY IMPORT TOTAL POWER FACTOR TOTAL APPARENT ENERGY EXPORT TOTAL POWER FACTOR L1 APPARENT ENERGY IMPORT L1 POWER FACTOR L2 APPARENT ENERGY IMPORT L2 POWER FACTO
80. values 1 31 e Month in bits 24 27 Valid values 1 12 e Year in bits 21 23 and 28 31 MSB bits Valid values 0 99 All other bits are unused 14 1 XX CS checksum calculated from C field to last data 15 16 Stop character 10 4 26 Set date The date is set by sending the following command all values are hexadecimal The command is affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 07 L field calculated from C field to last user data 3 1 07 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 02 DIF size 16 bit integer 9 1 6C VIF date 10 11 1 XXXX Date day month year coded accorded to M Bus data type G 12 1 XX CS checksum calculated from C field to last data 13 1 16 Stop character 10 4 27 Reset demand previous values load profile and logs All data for demand previous values load profile and logs is cleared by sending the following command all values are hexadecimal The command is affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 08 L field calculated from C field to last user data A43 A44 248 2CMC484001M0201 User Manual Revision A Communication with M Bus
81. with M Bus Byte No Size Value Description 2 1 07 L field calculated from C field to last user data 3 1 07 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 00 DIF size no data 9 1 FF VIF next byte is manufacturer specific 10 1 F9 VIF extension of manufacturer specific VIFE s next VIFE specifies actual meaning 11 1 1B VIFE specifies current harmonics 12 1 XX CS checksum calculated from C field to last data 13 2 16 Stop character Read request for a specific phase About the data sent out A read request for a specific phase is performed by sending the following SND_UD to the meter followed by a REQ _UD 2 all values are hexadecimal Byte No Size Value Description 1 1 68 Start character 2 1 08 L field calculated from C field to last user data 3 1 08 L field repeated 4 1 68 Start character 5 1 53 773 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 01 DIF size 8 bit integer 9 1 FF VIF next byte is manufacturer specific 10 1 F9 VIF extension of manufacturer specific VIFE s next VIFE specifies actual meaning 11 1 1B VIFE specifies current harmonics 12 1 XX Phase number 1 3 13 1 XX CS checksum calculated from C field to last data 14 1 16 Stop character T
82. 008 class 1 amp 2 GB 4208 2008 EN 50470 1 EN 50470 3 categoryA amp B 2CMC484001M0201 77 A43 A44 Revision A User Manual Technical data 6 2 Physical dimensions A43 A44 The following drawing shows the physical dimensions of the A43 and the A44 metrs i f 3 s 7 fe gil 93 89 97 88 6 fol 123 58 65 A43 A44 78 2CMC484001M0201 User Manual Revision A Measurement Methods Chapter 7 Measurement Methods Overview This chapter contains information about measurement theory and the most com monly used measurement methods The information can be used to better under stand the meter behavior and or to pick the correct measurement method In this chapter The following topics are covered in this chapter 7 1 Measuring Energy saene e a E AEE EA 80 7 1 1 Single Phase 1 Element Metering cceesseeeeestteeeeeennaees 82 7 1 2 3 Phase 2
83. 01 Revision A 121 A43 A44 User Manual Communication with Modbus Read forward or backwards froma specified date time Note The entry number register is reset to 0 after a restart Follow the steps in the table below to read forward or backwards in time from a specified date time Step Action 1 Write a date and time to the Date Time registers 2 Write to the Direction register Writing value 0 means backwards and value 1 means forward 3 Read the data blocks of interest 4 Write the value 1 to the Get next entry register 5 Repeat steps 3 and 4 until there are no more entries stored When all entries have been read all registers in the data blocks are set to OxXFFFF Note The Date time registers are reset to OxFFFF after a restart A43 A44 User Manual 122 2CMC484001M0201 Revision A Communication with Modbus 9 6 Demand Mapping table Note Before you can use the information in this chapter you must be familiar with and understand the information and the concepts described in Historical Data on page 111 The following table shows an overview of the mapping table Function Details Start Reg Size Hex Demand Header 8300 16 Demand Data block 1 8310 115 Demand Data block 2 8390 115 Demand Data block 3 8410 115 Demand Data block 4 8490 115 Demand Data block 5 8510 115 Demand Data block 6 8590 115 Demand Data blo
84. 01M0201 Revision A 29 A43 A44 User Manual User Interface Icon Indication Metering in progress Clockwise rotation indicates import i Counter clockwise rotation indicates export 1 1 1 2 2 2 3 3 3 Arrows indicate direction of current per phase Arrow left export arrow right import A digit without arrow indicates that only voltage is connected to the phase T1 T2 T3 T Active tariff A I A Error warning note 8 Transformer ratio only on transformer rated meters Main menu The following image shows an example of the layout of the main menu OE 123 AT1Q8 Wh A e Sty FM Ok ENERGY REGISTERS Main menu icons Depending on the meter type all or a subset of the following icons may be avail able in the display Icon Explanation KWh Energy registers Instantaneous values 4 Stored values a Harmonics I O Status Settings A43 A44 30 2CMC484001M0201 User Manual Revision A User Interface Main menu structure The following table describes the main menu structure and its content kWh A jw Sy gt e Active Energy Import Active Power Previous Values THD Voltage I O 1 System Log Clock L1 L3 Active Energy Export Reactive Power Load Profiles Harmonics Volt I O 2 Event Log Ratios L1 L3 age L1 L3 Active Energy Net Apparent Power Demand THD C
85. 1 1 40 DIFE unit 2 152 1 84 VIF for units kvarh with resolution 0 01kvarh 153 1 XX VIFE status 154 159 6 XXXXXXXXXXXX Reactive imported energy Tariff 1 160 1 8E DIF size 12 digit BCD 161 1 AO DIFE tariff 2 162 1 40 DIFE unit 2 163 1 84 VIF for units kvarh with resolution 0 01kvarh 164 1 XX VIFE status 165 170 6 XXXXXXXXXXXX Reactive imported energy Tariff 2 171 1 8E DIF size 12 digit BCD 172 1 BO DIFE tariff 3 173 1 40 DIFE unit 2 174 1 84 VIF for units kvarh with resolution 0 01kvarh 175 1 XX VIFE status 176 181 6 XXXXXXXXXXXX Reactive imported energy Tariff 3 2CMC484001M0201 183 A43 A44 Revision A User Manual Communication with M Bus Byte No Size Value Description 182 1 8E DIF size 12 digit BCD 183 1 80 DIFE 184 1 50 DIFE tariff 4 unit 2 185 1 84 VIF for units kvarh with resolution 0 01kvarh 186 1 XX VIFE status 187 192 6 XXXXXXXXXXXX Reactive imported energy Tariff 4 193 1 8E DIF size 12 digit BCD 194 1 Co DIFE unit bit 0 195 1 40 DIFE unit bit 1 unit bit0 1 gt unit 3 196 1 84 VIF for units kvarh with resolution 0 01kvarh 197 1 XX VIFE status 198 203 6 XXXXXXXXXXXX Reactive exported energy Total 204 1 8E DIF size 12 digit BCD 205 1 DO DIFE tariff 1 unit bit O 206 1 40 DIFE unit bit 1 unit bit O 1 gt unit 3 207 1 84 VIF for units kvarh with r
86. 1 N Instantaneous voltage between L1 and neutral Voltage L2 N Instantaneous voltage between L2 and neutral Voltage L3 N Instantaneous voltage between L3 and neutral Voltage L1 L2 Instantaneous voltage between L1 and L2 Voltage L2 L3 Instantaneous voltage between L2 and L3 Voltage L1 L3 Instantaneous voltage between L1 and L3 Active Power Total Instantaneous total active power Active Power L1 Instantaneous active power in L1 Active Power L2 Instantaneous active power in L2 Active Power L3 Instantaneous active power in L3 Reactive Power Total Instantaneous total reactive power Reactive Power L1 Instantaneous reactive power in L1 Reactive Power L2 Instantaneous reactive power in L2 Reactive Power L3 Instantaneous reactive power in L3 Apparent Power Total Instantaneous total apparent power Apparent Power L1 Instantaneous apparent power in L1 Apparent Power L2 Instantaneous apparent power in L2 Apparent Power L3 Instantaneous apparent power in L3 Voltage phase angle L1 Instantaneous voltage phase angle for L1 L1 volt age is reference Voltage phase angle L2 Instantaneous voltage phase angle for L2 L1 volt age is reference Voltage phase angle L3 Instantaneous voltage phase angle for L3 L1 volt age is reference Current phase angle L1 Instantaneous current phase angle for L1 L1 vol
87. 2 11 1 84 VIFE specifying energy 12 1 FF VIFE next byte is manufacturer specific 13 1 F2 Resettable registers 14 1 07 VIFE clear 15 1 XX CS checksum calculated from C field to last data 16 1 16 Stop character A43 A44 250 2CMC484001M0201 User Manual Revision A Communication with M Bus 10 4 31 Reset resettable reactive energy export 10 4 32 Freeze demand Reset of resettable active energy export is performed by sending the following command all values are hexadecimal The command is affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 OA L field calculated from C field to last user data 3 1 OA L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 80 DIF size no data 9 1 Co DIFE unit 1 10 1 40 DIFE unit 3 11 1 84 VIFE specifying energy 12 1 FF VIFE next byte is manufacturer specific 13 1 F2 Resettable registers 14 1 07 VIFE clear 15 1 XX CS checksum calculated from C field to last data 16 1 16 Stop character The demand values will be frozen and a new period will be started by sending the following command all values are hexadecimal The command is affected by the write protection level set Byte No Size Value Description 1 1 68 Start cha
88. 2 6 XXXXXXXXXXXX Apparent exported energy L1 223 1 8E DIF size 12 digit BCD 224 1 co DIFE Unit bit 0 225 1 80 DIFE Unit bit 1 226 1 40 DIFE Unit bit 2 unit bit0 2 gt unit 5 A43 A44 User Manual 194 2CMC484001M0201 Revision A Communication with M Bus Byte No Size Value Description 227 1 84 VIF for unit kKVAh with resolution 0 01kVAh 228 1 FF VIFE next byte is manufacturer specific 229 1 82 VIFE L2 230 1 XX VIFE status 231 236 6 XXXXXXXXXXXX Apparent exported energy L2 237 1 8E DIF size 12 digit BCD 238 1 co DIFE Unit bit 0 239 1 80 DIFE Unit bit 1 240 1 40 DIFE Unit bit 2 unit bit0 2 gt unit 5 241 1 84 VIF for unit KVAh with resolution 0 01kVAh 242 1 FF VIFE next byte is manufacturer specific 243 1 83 VIFE L3 244 1 XX VIFE status 245 250 6 XXXXXXXXXXXX Apparent exported energy L3 251 1 1F DIF more records will follow in next telegram 252 1 XX CS checksum calculated from C field to last data 253 1 16 Stop character 10 2 7 Example of the 7th telegram all values are hexadecimal Byte No Size Value Description 1 1 68 Start character 2 1 B6 L field calculated from C field to last user data 3 1 B6 L field repeated 4 1 68 Start character 5 1 08 C field RSP_UD 6 1 XX A field address 7 1 72 Cl field variabl
89. 2 with resolution 0 001 kg 110 1 XX VIFE status 111 116 6 XXXXXXXXXXXX CO2 for active imported energy Total 117 1 OE DIF size 12 digit BCD 118 1 FF VIFE next byte is manufacturer specific 119 1 F9 VIF extension of manufacturer specific VIFE s 120 1 c9 Energy in Currency with resolution 0 01 currency 121 1 XX VIFE status 122 127 6 XXXXXXXXXXXX Currency for active imported energy Total 128 1 04 DIF size 32 bit integer 129 1 FF VIFE next byte is manufacturer specific 130 1 A4 CO2 conversion factor in g kWh 131 1 XX VIFE status 132 133 4 XXXXXXXX CO2 conversion factor for active energy 134 1 04 DIF size 32 bit integer 135 1 FF VIFE next byte is manufacturer specific A43 A44 User Manual 190 2CMC484001M0201 Revision A Communication with M Bus Byte No Size Value Description 136 1 A5 Currency conversion factor in 0 001 currency kWh 137 1 XX VIFE status 138 143 4 XXXXXXXX Currency conversion factor for active energy 144 1 8E DIF size 12 digit BCD 145 1 80 DIFE 146 1 80 DIFE 147 1 40 DIFE Unit 4 148 1 84 VIF for unit kVAh with resolution 0 01kVAh 149 1 XX VIFE status 150 155 6 XXXXXXXXXXXX Apparent imported energy Total 156 1 8E DIF size 12 digit BCD 157 1 Co DIFE Unit bit 0 158 1 80 DIFE Unit bit 1 159 1 40 DIFE Unit bit 2 Unit bit 0 2
90. 3 67 1 XX VIFE status 68 73 6 XXXXXXXXXXXX Active net energy L3 74 1 8E DIF size 12 digit BCD 75 1 co DIFE Unit 1 76 1 co DIFE Unit 2 77 1 40 DIFE Unit 4 78 1 84 VIF for unit kvarh with resolution 0 01kvarh 79 1 XX VIFE status 80 85 6 XXXXXXXXXXXX Reactive net energy Total 86 1 8E DIF size 12 digit BCD 87 1 co DIFE Unit 1 88 1 co DIFE Unit 2 89 1 40 DIFE Unit 4 90 1 84 VIF for unit kvarh with resolution 0 01kvarh 91 1 FF VIFE next byte is manufacturer specific 92 1 81 VIFE L1 A43 A44 User Manual 196 2CMC484001M0201 Revision A Communication with M Bus Byte No Size Value Description 93 1 XX VIFE status 94 99 6 XXXXXXXXXXXKX Reactive net energy L1 100 1 8E DIF size 12 digit BCD 101 1 co DIFE Unit 1 102 1 co DIFE Unit 2 103 1 40 DIFE Unit 4 104 1 84 VIF for unit kvarh with resolution 0 01kvarh 105 1 FF VIFE next byte is manufacturer specific 106 1 82 VIFE L2 107 1 XX VIFE status 108 113 6 XXXXXXXXXXXX Reactive net energy L2 114 1 8E DIF size 12 digit BCD 115 1 co DIFE Unit 1 116 1 co DIFE Unit 2 117 1 40 DIFE Unit 4 118 1 84 VIF for unit kvarh with resolution 0 01kvarh 119 1 FF VIFE next byte is manufacturer specific 120 1 83 VIFE L3 121 1 XX VIFE status 122 127 6 XXXXXXXXXXXX Reactive net energy L3 128 1
91. 4 1 Example of readout of log data Readout of Net Quality Log with date and time specified as input Send Nke 10 40 fe 3e 16 Meter Responds with E5 E5 Read request net quality log with Offset 1 68 12 12 68 73 fe 51 ce c0 80 80 00 ed ff f9 30 01 02 03 22 12 11 b0 16 Read net quality log with offset value 1 Date and Time spciefied as input 22 12 2011 01 02 03 Meter Responds with E5 E5 Send Req UD2 10 7B FE 79 16 Meter responds with long frame data for net quality Log 68 88 88 68 08 00 72 00 00 00 00 42 04 20 02 16 2a 00 00 Header Information 02 ff f9 b5 00 e1 07 Event Type net quality Log Oe ed b9 00 21 47 23 06 01 10 Date and Time 10 01 06 23 47 21 04 a0 00 dd 03 00 00 Duration 02 ff f9 b5 00 de 07 Event Type net quality Log Oe ed b9 00 21 47 23 06 01 10 Date and Time 10 02 06 23 47 21 04 a0 00 dd 03 00 00 Duation 02 ff f9 b5 00 f0 03 Event Type net quality Log Oe ed b9 00 11 47 23 06 01 10 Date and time 10 02 06 23 47 11 04 a0 00 e7 03 00 00 Duration 02 ff f9 b5 00 e8 03 Oe ed b9 00 11 47 23 06 01 10 04 a0 00 e7 03 00 00 02 ff f9 b5 00 e2 07 Oe ed b9 00 11 47 23 06 01 10 04 a0 e7 03 00 00 1f 70 16 1F indicates there are more frames to follow A43 A44 User Manual 222 2CMC484001M0201 Revision A Communication with M Bus Readout of 4 telegrams of event log data with offset 1 System sends event log read request command date time 14 3 06 09 51 40 off set 1
92. 4 14 Reset of input counter 1 Reset of input counter 1 is performed by sending the following command all values are hexadecimal The command is not affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 08 L field calculated from C field to last user data 3 1 08 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 Co DIF size no data 9 1 40 DIFE unit 1 10 1 FD VIF extension of VIF codes 11 1 9B VIFE cumulating counters 12 1 07 VIFE clear 13 1 XX CS checksum calculated from C field to last data 14 1 16 Stop character 10 4 15 Reset of input counter 2 Reset of input counter 2 is performed by sending the following command all values are hexadecimal The command is not affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 09 L field calculated from C field to last user data 3 1 09 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 80 DIF size no data 9 1 80 DIFE unit 0 10 1 40 DIFE unit 2 11 1 FD VIF extension of VIF codes 12 1 E1 VIFE cumulating counters 13 1 07 VIFE clear 14 1 XX CS checksum calculated from C field to la
93. 5 Reactive energy net total 1 0 128 8 0 255 Apparent energy import total 1 0 9 8 0 255 Apparent energy export total 1 0 10 8 0 255 Apparent energy net total 1 0 137 8 0 255 Active energy import total CO2 1 0 1 8 200 255 Active energy import total Currency 1 0 1 8 220 255 Quantity OBIS code Active energy import tariff 1 1 0 1 8 1 255 Active energy import tariff 2 1 0 1 8 2 255 Active energy import tariff 3 1 0 1 8 3 255 Active energy import tariff 4 1 0 1 8 4 255 Active energy export tariff 1 1 0 2 8 1 255 Active energy export tariff 2 1 0 2 8 2 255 Active energy export tariff 3 1 0 2 8 3 255 Active energy export tariff 4 1 0 2 8 4 255 Reactive energy import tariff 1 1 0 3 8 1 255 Reactive energy import tariff 2 1 0 3 8 2 255 Reactive energy import tariff 3 1 0 3 8 3 255 Reactive energy import tariff 4 1 0 3 8 4 255 Reactive energy export tariff 1 1 0 4 8 1 255 Reactive energy export tariff 2 1 0 4 8 2 255 Reactive energy export tariff 3 1 0 4 8 3 255 Reactive energy export tariff 4 1 0 4 8 4 255 The following table lists the OBIS codes for energies per phase Quantity OBIS code Active energy import L1 1 0 21 8 0 255 Active energy import L2 1 0 41 8 0 255 2CMC484001M0201 Revision A 115 A43 A44 User Manual Communication with Modbus
94. 56 53 62056 61 62056 62 Pulse indicator LED Pulse Frequency 1000 imp kWh Pulse length 40 ms EMC compatibility Impulse voltage test 6 kV 1 2 50us IEC 60060 1 Surge voltage test 4 kV 1 2 50us IEC 61000 4 5 Fast transient burst test 4 kV IEC 61000 4 4 Immunity to electromagnetic HF fields 80 MHz 2 GHz at 10 V m IEC 61000 4 3 Immunity to conducted disturbance 150kHz 80MHz IEC 61000 4 6 Immunity to electromagnetic distur bances 2 150 kHz for kWh meters Radio frequency emission EN 55022 class B CISPR22 Electrostatic discharge 15 kV IEC 61000 4 2 Standards IEC 62052 11 IEC 62053 21 class 1 amp 2 IEC 62053 23 class 2 IEC 62054 21 GB T 17215 211 2006 GBT 17215 321 2008 class 1 amp 2 GB 4208 2008 EN 50470 1 EN 50470 3 category A amp B Specifications for A44 transformer connected meter Voltage inputs Nominal voltage 3x230 400 VAC Voltage range 3x57 7 288 100 500 V 20 15 3x100 400 173 690 V 20 15 Power dissipation voltage circuits 0 8 VA 0 8 W total Power dissipation current circuits 0 001 VA 0 001 W per phase at 230 VAC and I Terminal wire area 0 5 10 mm Recommended tightening torque 2Nm 2CMC484001M0201 Revision A 75 A43 A44 User Manual Technical data Current inputs
95. 68 12 12 68 73 FE 51 CE CO 80 80 00 ED FF F9 1A 40 51 09 14 03 06 06 16 Meter sends out acknowledge E5 System sends out request UD2 10 7B FE 79 16 Meter sends out data telegram 68 7E 7E 68 08 00 72 42 10 00 00 42 04 02 02 05 00 00 00 Data header 01 FF 6F 01 Total power outage OE ED 39 24 19 09 14 03 06 Time date 39 24 09 14 03 06 sec min hour day month year 04 20 FE 00 00 00 Duration 254 seconds 01 FF 6F 01 Total power outage OF ED 39 12 45 15 13 03 06 Time date 12 45 15 13 03 06 sec min hour day month year 04 20 5B 00 00 00 Duration 91 seconds 01 FF 6F OF Abnormal negative power OF ED 39 28 44 15 13 03 06 04 20 23 00 00 00 01 FF 6F 01 Total power outage OE ED 39 44 38 15 13 03 06 04 20 52 01 00 00 01 FF 6F 0D Undervoltage on phase 3 level 2 OE ED 39 36 25 15 13 03 06 04 20 3E 00 00 00 Fl iF Dif 1F gt More events exist 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Pad bytes 0A 16 Checksum and stopbyte 10 3 5 Readout of Current Harmonics Read request A read request for current harmonics is performed by sending the following SND_UD to the meter followed by a REQ UD2 all values are hexadecimal Byte No Size Value Description 1 1 68 Start character 2CMC484001M0201 223 A43 A44 Revision A User Manual Communication
96. 84001M0201 Revision A 219 A43 A44 User Manual Communication with M Bus 68 9C 9C 68 08 00 72 44 8E 01 ED 6B 00 00 00 01 06 00 00 00 8E 01 04 17 05 00 00 00 02 00 00 00 00 8E 31 04 00 00 8E 81 40 04 26 01 8E Al 40 04 55 00 00 00 50 04 25 00 00 00 00 00 61 00 00 00 00 00 00 47 24 00 42 04 02 02 OA 00 00 00 06 06 Date time stamp for previous values 01 06 day month year sec min hour 00 8E 11 04 55 01 00 00 00 00 8E 21 04 27 31 00 00 00 00 00 8E 81 10 04 04 01 00 00 00 00 00 00 8E 91 40 04 38 00 00 00 00 00 00 00 8E B1 40 04 07 00 00 00 00 00 8E 81 8E 41 FD 61 00 00 00 00 00 00 8E 81 40 FD OF 00 00 00 00 00 00 00 00 00 00 00 00 00 E9 16 10 3 4 Readout of Event Log Data Read request Each one of the existing logs can be read by sending the following SND_UD to the meter followed by a REQ UD2 all values are hexadecimal Byte No Size Value Description 1 1 68 Start character 2 1 12 L field calculated from C field to last user data 3 1 12 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 8E or EC DIF size 6 byte BCD storage number bit 0 is 0 or 1 9 1 8x or Cx DIFE storage number bits 1 4 unit bit 6 is O or 1 10 1 8x DIFE storage number bits 5 8 11 1 8x DIFE storage number bits 9 12 12 1
97. A43 A44 User Manual A43 A44 User Manual Document ID 2CMC484001M0201 Revision A 2012 02 24 Disclaimer Copyrights Trademarks Contact The information in this document is subject to change without notice and should not be construed as a commitment by ABB AB ABB AB assumes no responsi bility for any errors that may appear in this document In no event shall ABB AB be liable for direct indirect special incidental or con sequential damages of any nature or kind arising from the use of this document nor shall ABB AB be liable for incidental or consequential damages arising from use of any software or hardware described in this document This document and parts thereof must not be reproduced or copied without written permission from ABB AB and the contents thereof must not be imparted to a third party nor used for any unauthorized purpose The software or hardware described in this document is furnished under a license and may be used copied or disclosed only in accordance with the terms of such license Copyright 2012 ABB AB All rights reserved ABB AB is a registered trademark of the ABB Group All other brand or product names mentioned in this document may be trademarks or registered trademarks of their respective holders ABB AB P O BOX 1005 SE 611 29 NYKOPING SWEDEN Tel 46 155 295000 Fax 46 155 288110 Table of Content Table of Content 1 Product OvervieW i cc
98. C 68 08 00 72 44 47 24 00 42 04 02 02 09 00 00 00 Data header The date time stamp and the monthly values have storage number 1 that is it is the 1 st most recent in time set of monthly values CE 00 ED 6B 00 00 00 01 07 06 Date time stamp for previous values here 01 07 06 00 00 00 day month year sec min hour CE 00 04 35 08 00 00 00 00 Monthly value for total active energy 8 35 kWh CE 10 04 62 02 00 00 00 00 Monthly value for tariff 1 active energy 2 62 kWh CE 20 04 27 02 00 00 00 00 Monthly value for tariff 2 active energy 2 27 kWh E 30 04 79 00 00 00 00 00 Monthly value for tariff 3 active energy 0 79 kWh Q ti CE 80 10 04 65 02 00 00 00 00 Monthly value for tariff 4 active energy 2 65 kWh CE 80 40 04 04 02 00 00 00 00 Monthly value for total reactive energy 2 04 kvarh CE 90 40 04 64 00 00 00 00 00 Monthly value for tariff 1 reactive energy 0 64 kWh CE BO 40 04 19 00 00 00 00 00 Monthly value for tariff 3 reactive energy 0 19 kWh CE 80 50 04 65 00 00 00 00 00 Monthly value for tariff 4 reactive energy 0 65 kWh CE 40 FD 61 00 00 00 00 00 00 Monthly value for input 1 counter 0 pulses CE 80 40 FD 61 00 00 00 00 00 00 Monthly value for input 2 counter 0 pulses iF Dif 1F gt more monthly values exist 00 00 00 00 00 00 00 00 00 00 00 00 00 Pad bytes 62 16 Checksum and stop byte System sends out request UD2 10 5B FE 59 16 Meter sends out data telegram 2CMC4
99. CD 71 1 40 DIFE unit 1 72 1 84 VIF for units kWh with resolution 0 01kWh 73 1 XX VIFE status 74 79 6 XXXXXXXXXXXX Active exported energy Total 80 1 8E DIF size 12 digit BCD 81 1 50 DIFE tariff 1 unit 1 82 1 84 VIF for units kWh with resolution 0 01kWh 83 1 XX VIFE status 84 89 6 XXXXXXXXXXXX Active exported energy Tariff 1 90 1 8E DIF size 12 digit BCD 91 1 60 DIFE tariff 2 unit 1 92 1 84 VIF for units kWh with resolution 0 01kWh 93 1 XX VIFE status 94 99 6 XXXXXXXXXXXX Active exported energy Tariff 2 100 1 8E DIF size 12 digit BCD 2CMC484001M0201 173 A43 A44 Revision A User Manual Communication with M Bus Byte No Size Value Description 101 1 70 DIFE tariff 3 unit 1 102 1 84 VIF for units kWh with resolution 0 01kWh 103 1 XX VIFE status 104 109 6 XXXXXXXXXXXX Active exported energy Tariff 3 110 1 8E DIF size 12 digit BCD 111 1 co DIFE unit 1 112 1 10 DIFE tariff 4 113 1 84 VIF for units kWh with resolution 0 01kWh 114 1 XX VIFE status 115 120 6 XXXXXXXXXXXX Active exported energy Tariff 4 121 1 01 DIF size 8 bit integer 122 1 FF VIF next byte is manufacturer specific 123 1 93 VIFE current tariff 124 1 XX VIFE status 125 1 XX Current tariff 126 1 04 DIF size 32 bit integer 127 1 FF VIF next byte is manufacturer specific 128 1 AO VIFE CT ratio nume
100. D VIF extension of VIF codes 192 1 C8 VIFE for units V with resolution 0 1V 193 1 FF VIFE next byte is manufacturer specific 194 1 86 VIFE L2 L3 195 1 XX VIFE status 196 199 4 XXXXXXXX Voltage L3 L2 200 1 04 DIF size 32 bit integer 201 1 FD VIF extension of VIF codes 202 1 C8 VIFE for units V with resolution 0 1V 203 1 FF VIFE next byte is manufacturer specific 204 1 87 VIFE L1 L3 205 1 XX VIFE status 206 209 4 XXXXXXXX Voltage L1 L3 210 1 04 DIF size 32 bit integer 211 1 FD VIF extension of VIF codes 212 1 DA VIFE for units A with resolution 0 01A 213 1 FF VIFE next byte is manufacturer specific 214 1 81 VIFE L1 215 1 XX VIFE status 216 219 4 XXXXXXXX Current L1 220 1 04 DIF size 32 bit integer 221 1 FD VIF extension of VIF codes 222 1 DA VIFE for units A with resolution 0 01A 223 1 FF VIFE next byte is manufacturer specific 224 1 82 VIFE L2 2CMC484001M0201 179 A43 A44 Revision A User Manual Communication with M Bus Byte No Size Value Description 225 1 XX VIFE status 226 229 4 XXXXXXXX Current L2 230 1 04 DIF size 32 bit integer 231 1 FD VIF extension of VIF codes 232 1 DA VIFE for units A with resolution 0 01A 233 1 FF VIFE next byte is manufacturer specific 234 1 83 VIFE L3 235 1 XX VIFE status 236 239 4 XXXXXXXX Current L3 240 1 04 DIF size 32 bit integer 241 1 FD VIF extension of VIF codes 242 1 DA VIFE for u
101. Data block The default value of Entry number register after a restart is 0 The Date Time register is used to specify a date and time to start reading from When a value is written to the Date Time register the Data block is loaded with values for that date and time The Entry number register is also automatically updated to reflect which entry number the values for this date and time has If there is no entry for the date and time chosen and the reading direction is set to backward the nearest older entry will be loaded into the Data block If the reading direction is instead forward the nearest newer entry will be loaded Subsequent writes to Get next entry register will load new data into the Data block in the order indicated by the Direction register The Entry number register will also be automatically updated incremented or decremented depending on the direction in the Direction register The Direction register is used to control the direction in time in which the entries are read Possible values are shown in the table below Value Description 0 Backwards i e from recent entries towards older entries 1 Forward i e from old entries towards recent entries The default value of Entry number register after a restart is 0 i e backwards Data block There are a number of standard data items that are used in the same way when registers reading out any type of histori
102. Date Time registers e g 2099 01 01 00 00 00 2 Write the value 0 to the Direction register Read the data block Follow the steps in the table below to read forward or backwards in time from a specified date time Step Action 1 Write a date and time to the Date Time registers 2 Write to the Direction register Writing value 0 means backwards and value 1 means forward 3 Read data block Write the value 1 to the Get next entry register 5 Repeat steps 3 and 4 until there are no more entries stored When all entries have been read all registers in the data block are set to OxFFFF Note The Date time registers are reset to OxFFFF after a restart 2CMC484001M0201 Revision A 133 A43 A44 User Manual Communication with Modbus 9 9 Configuration Introduction This section describes how to configure the following functions e Previous values Demand e Load profile e Alarms e IT Tariffs 9 9 1 Previous values General Mapping table Quantity configuration registers Write quantity configuration Previous values configuration defines the set of quantities to store at the end of a period It is also defines the period with which values are stored The following table shows an overview of the mapping table Quantity Details Start Reg Hex Size Previous values Quantity configuration 8C50 5 Previous values Period co
103. E status 36 41 6 XXXXXXXXXXXX Active imported energy L2 42 1 OE DIF size 12 digit BCD 43 1 84 VIF for units kWh with resolution 0 01kWh 44 1 FF VIFE next byte is manufacturer specific 45 1 83 VIFE L3 46 1 XX VIFE status 47 52 6 XXXXXXXXXXXX Active imported energy L3 53 1 8E DIF size 12 digit BCD 54 1 80 DIFE 55 1 40 DIFE Unit 2 56 1 84 VIF for units kvarh with resolution 0 01 kvarh 57 1 FF VIFE next byte is manufacturer specific 58 1 81 VIFE L1 59 1 XX VIFE status 60 65 6 XXXXXXXXXXXX Reactive imported energy L1 66 1 8E DIF size 12 digit BCD 67 1 80 DIFE 68 1 40 DIFE Unit 2 69 1 84 VIF for units kvarh with resolution 0 01 kvarh 70 1 FF VIFE next byte is manufacturer specific 71 1 82 VIFE L2 72 1 XX VIFE status 73 78 6 XXXXXXXXXXXX Reactive imported energy L2 79 1 8E DIF size 12 digit BCD 80 1 80 DIFE 81 1 40 DIFE Unit 2 82 1 84 VIF for units kvarh with resolution 0 01 kvarh 83 1 FF VIFE next byte is manufacturer specific 84 1 83 VIFE L3 85 1 XX VIFE status 86 91 6 XXXXXXXXXXXX Reactive imported energy L3 92 1 8E DIF size 12 digit BCD 93 1 80 DIFE 94 1 80 DIFE A43 A44 User Manual 192 2CMC484001M0201 Revision A Communication with M Bus Byte No Size Value Description 95 1 40 DIFE Unit 4 96 1 84 VIF for unit kVAh with resolu
104. Element Metering ccccceceeeeeeeeeeeeeseeseeeteees 84 7 1 3 3 Phase 3 Element Metering cccccceceeeeeeeeeeeeeseneeeeeees 86 2CMC484001M0201 79 A43 A44 Revision A User Manual Measurement Methods 7 1 Measuring Energy Active energy Reactive energy It is easy to understand the need for a utility to measure active energy since the information is neccesary to bill the customer correctly Usually the more energy the customer consumes the higher the accuracy of the meter needs to be Normally 4 accuracy classes are used 2 small consumers e g households 1 0 5 and 0 2 meters with defined power levels for each class Also from a customer point of view it is easy to understand the need to measure the active energy as it can give him information about where and when energy is consumed This information can then be used to take measures to decrease the consumption In many cases it is desired to simplify the measurement Insuch cases simplified methods can be used of which the most common are described in this chapter These methods most often require a balanced load which means that the imped ance is the same in all phases giving the same current amplitude and power factor in all phases Note It should be mentioned that even if the load is perfectly balanced the accuracy will be decreased if the incoming voltages are not the same on all phases Sometimes there is also a need t
105. FE status 165 170 6 XXXXXXXXXXXX Active imported energy tariff 3 171 1 CE DIF size 12 digit BCD storage number bit 0 172 1 80 DIFE tariff bits 0 1 storage number bit 1 4 173 1 10 DIFE tariff bits 2 3 tariff 4 174 1 84 VIF for units kWh with resolution 0 01kWh A43 A44 User Manual 200 2CMC484001M0201 Revision A Communication with M Bus Byte No Size Value Description 175 1 XX VIFE status 176 181 6 XXXXXXXXXXXX Active imported energy tariff 4 182 1 CE DIF size 12 digit BCD storage number bit 0 183 1 90 DIFE tariff 1 storage number bit 1 4 unit bit 0 184 1 40 DIFE unit bit 1 185 1 84 VIF for units kvarh with resolution 0 01kvarh 186 1 XX VIFE status 187 192 6 XXXXXXXXXXXX Reactive imported energy tariff 1 193 1 CE DIF size 12 digit BCD storage number bit 0 194 1 AO DIFE tariff 2 storage number bit 1 4 unit bit 0 195 1 40 DIFE unit bit 1 196 1 84 VIF for units kvarh with resolution 0 01kvarh 197 1 XX VIFE status 198 203 6 XXXXXXXXXXXX Reactive imported energy tariff 2 204 1 CE DIF size 12 digit BCD storage number bit 0 205 1 BO DIFE tariff 3 storage number bit 1 4 unit bit 0 206 1 40 DIFE unit bit 1 207 1 84 VIF for units kvarh with resolution 0 01kvarh 208 1 XX VIFE status 209 214 6 XXXXXXXXXXXX Reactive imported energy tariff 3 215 1 CE DIF size 12 digit BCD storage number bi
106. FE status 24 29 6 XXXXXXXXXXXX Power outage time sec min hour days LSB first 30 1 02 DIF size 16 bit integer 31 1 FF VIF next byte is manufacturer specific 32 1 E0 VIFE power factor with resolution 0 001 33 1 XX VIFE status 34 35 2 XXXX Power factor Total 36 1 02 DIF size 16 bit integer 37 1 FF VIF next byte is manufacturer specific 38 1 E0 VIFE power factor with resolution 0 001 39 1 FF VIFE next byte is manufacturer specific 40 1 81 VIFE L1 41 1 XX VIFE status 42 43 2 XXXX Power factor L1 44 1 02 DIF size 16 bit integer 45 1 FF VIF next byte is manufacturer specific 46 1 E0 VIFE power factor with resolution 0 001 47 1 FF VIFE next byte is manufacturer specific 48 1 82 VIFE L2 49 1 XX VIFE status 50 51 2 XXXX Power factor L2 52 1 02 DIF size 16 bit integer 53 1 FF VIF next byte is manufacturer specific 54 1 E0 VIFE power factor with resolution 0 001 55 1 FF VIFE next byte is manufacturer specific 56 1 83 VIFE L3 57 1 XX VIFE status 58 59 2 XXXX Power factor L3 60 1 02 DIF size 16 bit integer 61 1 FF VIF next byte is manufacturer specific 62 1 D2 VIFE phase angle power with resolution 0 1 63 1 XX VIFE status 64 65 2 XXXX Phase angle power Total 66 1 02 DIF size 16 bit integer 67 1 FF VIF next byte is manufacturer specific 68 1 D2 VIFE phase angle power with resolution 0 1 69 1 FF VIFE next byte is manufacturer specific 70 1 81 VIFE L1 2CMC484001M0201 181 A43 A44 Revision A User Manua
107. K 800 kWh 00 00 00 3 110401 0 OK 450 kWh 00 00 00 9 5 1 Reading Previous Values General Read the most recent Read the entire history Readout of previous values is controlled by the Entry number register or Date Time register After writing to any of those registers the values of all channels for the given entry number or date time are available in the registers of data block 1 to 7 together with status and timestamp information In the data blocks the registers Quantity Data type and Scaler provide further information about the data stored in each channel To get the next block of previous values write the value to the Get next entry register and then read again from the registers in the data blocks Follow the steps in the table below to read the most recent previous values entry Step Action 1 Write the value 1 to the entry number register 2 Read the data blocks of interest Follow the steps in the table below to read the entire history of previous values Step Action 1 Write the value 0 to the Entry number register to make sure the reading starts from the most recent entry Write the value 1 to the Get next entry register Read the data blocks of interest Repeat steps 2 and 3 until there are no more entries stored When all entries have been read all registers in the data blocks are set to OXFFFF 2CMC484001M02
108. L2 HARMONIC CURRENT L2 APPARENT ENERGY IMPORT L3 HARMONIC CURRENT L3 ACTIVE ENERGY IMPORT TARIFF1 ACTIVE POWER TOTAL ACTIVE ENERGY IMPORT TARIFF2 HARMONIC CURRENT NEUTRAL ACTIVE ENERGY IMPORT TARIFF3 ACTIVE POWER L1 ACTIVE ENERGY IMPORT TARIFF4 ACTIVE POWER L2 REACTIVE ENERGY IMPORT TARIFF1 ACTIVE POWER L3 REACTIVE ENERGY IMPORT TARIFF2 REACTIVE POWER TOTAL REACTIVE ENERGY IMPORT TARIFF3 REACTIVE POWER L1 REACTIVE ENERGY IMPORT TARIFF4 REACTIVE POWER L2 VOLTAGE L1 REACTIVE POWER L3 VOLTAGE L2 APPARENT POWER TOTAL VOLTAGE L3 APPARENT POWER L1 VOLTAGE L1 L2 APPARENT POWER L2 VOLTAGE L2 L3 APPARENT POWER L3 VOLTAGE L1 L3 PULSE INPUT COUNTERS The value is a mean value of the period 2CMC484001M0201 67 A43 A44 Revision A User Manual Technical Description 5 9 Previous Values General Storing periods At the and of a defined period up to 50 configurable channels which can contain energy register values input counter values and currency CO values are stored together with the current time date Previous values can be configured via communication or via the buttons on the meter Note Before any previous values can be stored time date must be set Changing time date will store the current period and start a new one If a power fail occurs that lasts over the end of an ongoing period the period will be stored when the meter powers up again and a new period will start If date time is not set whe
109. OT 34 4 1 2 Setting MME stninia seta dated A aie 35 4 1 3 Setting Ratios acseen sins aie OA A ee ee 35 AA Setting WIRES aerer eaa E AAAA ESAE 35 4 1 5 Setting Pulse Output aesssseeesssenecersrreeesinnessrnnnnesinnannesnennneennnnnne 35 AE Setting VO aea TO E a ete ie 36 4 1 7 Seting A a R a hes Sees EE TEAS 37 4 1 8 Setting Currency CO2 sirenenet eeni ei E RENEE REE 39 ANI Seting RSET i e A TAA cued tones 40 A110 Setting IR SOE nan E A A EA ANA 40 4 1 11 Setting Upgrade Consent sssssseeseseeeirsseeerressreerrsssrerrsssreerne 42 4 A1 12 Setting Pulse LED oriana AEEA 42 4 113 SeN TAT ea A 43 4 1 14 Setting Previous Values esssseeeeseeeerrssererrssrrerrrssrerrrssrreens 43 4 1 15 Setting Load Profile serros A EERE 44 4 1 16 Setting Demand sionerien a E TE EEREN 44 4 1 17 Resetting Resettable Registers 2 0 ceeceeeeeeeeeeeeteeeeeeenea 45 2CMC484001M0201 33 A43 A44 Revision A User Manual 4 1 Settings and Configurations Configurable functions Setting a value Depending on the meter type all or a subset of the following functions can be configured Clock Ratios Wires Pulse output Pul Out on display T O Alarm Currency CO Curr CO2 on display RS485 IR Side Wireless W less on display Upgrade Consent Upgr Cons on dis play Pulse LED Puls LED on display Tariff Previous Values Prev Val on display Load profile L
110. Q VIF for units VA with resolution 0 01VA 143 1 FF VIFE next byte is manufacturer specific 144 1 83 VIFE L3 145 1 XX VIFE status 146 149 4 XXXXXXXX Apparent power L3 150 1 04 DIF size 32 bit integer 151 1 FD VIF extension of VIF codes 152 1 C8 VIFE for units V with resolution 0 1V 153 1 FF VIFE next byte is manufacturer specific 154 1 81 VIFE L1 155 1 XX VIFE status 156 159 4 XXXXXXXX Voltage L1 N 160 1 04 DIF size 32 bit integer 161 1 FD VIF extension of VIF codes 162 1 C8 VIFE for units V with resolution 0 1V 163 1 FF VIFE next byte is manufacturer specific 164 1 82 VIFE L2 165 1 XX VIFE status A43 A44 User Manual 178 2CMC484001M0201 Revision A Communication with M Bus Byte No Size Value Description 166 169 4 XXXXXXXX Voltage L2 N 170 1 04 DIF size 32 bit integer 171 1 FD VIF extension of VIF codes 172 1 c8 VIFE for units V with resolution 0 1V 173 1 FF VIFE next byte is manufacturer specific 174 1 83 VIFE L3 175 1 XX VIFE status 176 179 4 XXXXXXXX Voltage L3 N 180 1 04 DIF size 32 bit integer 181 1 FD VIF extension of VIF codes 182 1 C8 VIFE for units V with resolution 0 1V 183 1 FF VIFE next byte is manufacturer specific 184 1 85 VIFE L1 L2 185 1 XX VIFE status 186 189 4 XXXXXXXX Voltage L1 L2 190 1 04 DIF size 32 bit integer 191 1 F
111. R L3 The value is a mean value of the period A43 A44 72 2CMC484001M0201 User Manual Revision A Technical data Chapter 6 Technical data Overview In this chapter This chapter containstechnical data and product drawings The following topics are covered in this chapter 6 1 Technical Specifications ccccccccecceeeeceeeeeeeeeeceeceeeeeeeeeeeeeeseennaneaees 74 6 2 Physical dimensions e ce ea arani neerde a Ae aaia 78 2CMC484001M0201 73 A43 A44 Revision A User Manual Technical data 6 1 Technical Specifications Specifications for A43 direct connected meters Voltage current inputs Nominal voltage 3x230 400 VAC Voltage range 3x57 7 288 100 500 V 20 15 3x100 400 173 690 V 20 15 Power dissipation voltage circuits 0 8 VA 0 8 W total Power dissipation current circuits 0 007 VA 0 007 W per phase at 230 VAC and lef Base current 5A Reference current lef 5A Transitional current ly 0 5A Maximum current Ix 80A Minimum current nin 0 25A Starting current lt 20 mA Terminal wire area 1 25 mm Recommended tightening torque 2 5 Nm General data Frequency 50 or 60 Hz 5 Accuracy 1 2 Display 96x64 pixels view area 39x26 mm Mechanical Material Polycarbonate in transparent front glass bottom case upper case and terminal cover Glass reinforced polycarbonat
112. Revision A Communication with M Bus Byte No Size Value Description 6 1 XX A field address 7 1 72 Cl field variable data respond LSB first 8 11 4 XXXXXXXX Identification Number 8 BCD digits 12 13 2 4204 Manufacturer ABB 14 1 02 Version 15 1 02 Medium 02 Electricity 16 1 XX Number of accesses 17 1 XX Status 18 19 2 0000 Signature 0000 no encryption 20 1 OE DIF size 12 digit BCD 21 1 84 VIF for units kWh with resolution 0 01kWh 22 1 FF VIFE next byte is manufacturer specific 23 1 F2 VIFE resettable energy 24 1 XX VIFE status 25 30 6 XXXXXXXXXXXX Resettable active imported energy Total 31 1 8E DIF size 12 digit BCD 32 1 40 DIFE Unit 1 33 1 84 VIF for units kWh with resolution 0 01kWh 34 1 FF VIFE next byte is manufacturer specific 35 1 F2 VIFE resettable energy 36 1 XX VIFE status 37 42 6 XXXXXXXXXXXKX Resettable active exported energy Total 43 1 8E DIF size 12 digit BCD 44 1 80 DIFE 45 1 40 DIFE Unit 2 46 1 84 VIF for units kvarh with resolution 0 01kvarh 47 1 FF VIFE next byte is manufacturer specific 48 1 F2 VIFE resettable energy 49 1 XX VIFE status 50 55 6 XXXXXXXXXXXX Resettable reactive imported energy Total 56 1 8E DIF size 12 digit BCD 57 1 co DIFE Unit 1 58 1 40 DIFE Unit 2 59 1 84 VIF for units kvar with resolution 0 01kvarh 60 1 FF VIFE nex
113. T ratio denominator The current transformer ratio CT denominator is set by sending the following command all values are hexadecimal The command is affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 Oa L field calculated from C field to last user data 3 1 Oa L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 04 DIF size 32 bit integer 9 1 FF VIF next byte is manufacturer specific 10 1 22 VIFE CT ratio denominator 11 14 4 XXXXXXXX New CT ratio denominator 15 1 XX CS checksum calculated from C field to last data 16 1 16 Stop character A43 A44 238 2CMC484001M0201 User Manual Revision A Communication with M Bus 10 4 8 Set voltage transformer VT ratio denominator The current transformer ratio VT denominator is set by sending the following command all values are hexadecimal The command is affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 OA L field calculated from C field to last user data 3 1 OA L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 04 DIF size 32 bit integer 9 1 FF VIF next byte is manufacturer
114. T TOTAL REACTIVE ENERGY EXPORT TARIFF3 REACTIVE ENERGY EXPORT TOTAL REACTIVE ENERGY EXPORT TARIFF4 A43 A44 68 2CMC484001M0201 User Manual Revision A Technical Description REACTIVE ENERGY IMPORT L1 ACTIVE ENERGY EXPORT TARIFF 1 REACTIVE ENERGY IMPORT L2 ACTIVE ENERGY EXPORT TARIFF2 REACTIVE ENERGY IMPORT L3 ACTIVE ENERGY EXPORT TARIFF3 REACTIVE ENERGY EXPORT L1 ACTIVE ENERGY EXPORT TARIFF4 REACTIVE ENERGY EXPORT L2 ACTIVE ENERGY NET TOTAL REACTIVE ENERGY EXPORT L3 ACTIVE ENERGY NET L1 APPARENT ENERGY IMPORT TOTAL ACTIVE ENERGY NET L2 APPARENT ENERGY EXPORT TOTAL ACTIVE ENERGY NET L3 APPARENT ENERGY IMPORT L1 REACTIVE ENERGY NET TOTAL APPARENT ENERGY IMPORT L2 REACTIVE ENERGY NET L1 APPARENT ENERGY IMPORT L3 REACTIVE ENERGY NET L2 APPARENT ENERGY EXPORT L1 REACTIVE ENERGY NET L3 APPARENT ENERGY EXPORT L2 APPARENT ENERGY NET TOTAL APPARENT ENERGY EXPORT L3 APPARENT ENERGY NET L1 RESETTABLE ACTIVE ENERGY IMPORT TOTAL APPARENT ENERGY NET L2 RESETTABLE ACTIVE ENERGY EX PORT TOTAL APPARENT ENERGY NET L3 RESETTABLE REACTIVE ENERGY IM PORT TOTAL ACTIVE ENERGY CURRENCY CONVER SION RESETTABLE REACTIVE ENERGY EX PORT TOTAL ACTIVE ENERGY CO2 CONVERSION ACTIVE ENERGY IMPORT TARIFF1 ACTIVE ENERGY IMPORT TARIFF2 2CMC484001M0201 Revision A 69 A43 A44 User Manual Techn
115. Value Description 1 1 68 Start character 2 1 07 L field calculated from C field to last user data 3 1 07 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 01 DIF size 8 bit integer 2CMC484001M0201 235 A43 A44 Revision A User Manual Communication with M Bus Byte No Size Value Description 9 1 FF VIF next byte is manufacturer specific 10 1 13 VIFE tariff 11 1 XX New tariff 12 1 XX CS checksum calculated from C field to last data 13 1 16 Stop character 10 4 2 Set primary address The primary address is set by sending the following command all values are hexadecimal The command is not affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 06 L field calculated from C field to last user data 3 1 06 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 01 DIF size 8 bit integer 9 1 7A VIFE Bus Address 10 1 XX New primary address 11 1 XX CS checksum calculated from C field to last data 12 1 16 Stop character 10 4 3 Change baud rate The baud rate of the electrical M Bus interface is set by sending the following command all values are hexadecimal The command is not affected by the write protecti
116. XX A field address 7 1 51 Cl field data send LSB first 8 1 81 DIF size 8 bit integer 9 1 80 DIFE unit 0 10 1 40 DIFE unit 2 11 1 FD VIF extension of VIF codes 12 1 1A VIFE digital output 13 1 XX output 2 new state 14 1 XX CS checksum calculated from C field to last data 15 1 16 Stop character A43 A44 244 2CMC484001M0201 User Manual Revision A Communication with M Bus 10 4 20 Set output 3 Setting the state of output 3 is performed by sending the following command all values are hexadecimal The command is not affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 09 L field calculated from C field to last user data 3 1 09 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 81 DIF size 8 bit integer 9 1 Co DIFE unit 1 10 1 40 DIFE unit 2 11 1 FD VIF extension of VIF codes 12 1 1A VIFE digital output 13 1 XX output 3 new state 14 1 XX CS checksum calculated from C field to last data 15 1 16 Stop character 10 4 21 Set output 4 Setting the state of output 4 is performed by sending the following command all values are hexadecimal The command is not affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 OA L
117. al 126 2CMC484001M0201 Revision A Communication with Modbus 9 7 Event logs Mapping table Header and data block Structure of the header Note Before you can use the information in this chapter you must be familiar with and understand the information and the concepts described in Historical Data on page 111 The following table shows an overview of the mapping table Log type Details Start Reg Hex Size System log Header 6500 16 System log Data block 6510 105 Event log Header 65B0 16 Event log Data block 65C0 105 Audit log Header 6660 16 Audit log Data block 6670 105 Net quality log Header 6710 16 Net quality log Data block 6720 105 Communication log Header 67C0 16 Communication log Data block 67D0 105 There is one pair of header and data block for each log type located in the registers listed in the mapping table above In the tables showing the structure of the header and data block below the register numbers are valid for the System log However the headers and data blocks for all log types share the same structure so the tables are applicable for all log types if the register numbers are exchanged to correct values The following table describes the header Function Start Size Description Read write Reg Hex Get next block 6500 1 Write value 1 to this register to load R W the next block of log entries Entry num
118. al Revision A Technical Description Event code Event 2015 Alarm 3 active 2016 Alarm 4 active 2017 Alarm 5 active 2018 Alarm 6 active 2019 Alarm 7 active 2020 Alarm 8 active 2021 Alarm 9 active 2022 Alarm 10 active 2023 Alarm 11 active 2024 Alarm 12 active 2025 Alarm 13 active 2026 Alarm 14 active 2027 Alarm 15 active 2028 Alarm 16 active 2029 Alarm 17 active 2030 Alarm 18 active 2031 Alarm 19 active 2032 Alarm 20 active 2033 Alarm 21 active 2034 Alarm 22 active 2035 Alarm 23 active 2036 Alarm 24 active 2037 Alarm 25 active 2CMC484001M0201 Revision A 65 A43 A44 User Manual Technical Description 5 8 Demand General Interval length Storing periods Demand values The demand functionality is used to measure and store the maximum and mini mum demands of different quantities in the meter Time is divided into intervals of a certain length in which the mean values of a set of selected quantities are measured Demand can be configured via communication or via the buttons on the meter Note Before any demand values can be stored time date must be set Changing time date will store the current period and start a new one If a power fail occurs that lasts over the end of an ongoing period the period will be stored when the meter powers up again and a new period will start If date time is not set when the mete
119. and 8F70 1 Write the value 1 to Unsigned freeze the demand values Parts of the Modbus mapping is compatible with the ABB DMTME multimeters All registers in the following table are read only Quantity Start Reg Hex Size Unit Data type Phase Voltage L1 N 1002 2 Volt Unsigned Phase Voltage L2 N 1004 2 Volt Unsigned Phase Voltage L3 N 1006 2 Volt Unsigned Line Voltage L1 L2 1008 2 Volt Unsigned Line Voltage L2 L3 100A 2 Volt Unsigned Line Voltage L1 L3 100C 2 Volt Unsigned Line Current L1 1010 2 mA Unsigned Line Current L2 1012 2 mA Unsigned Line Current L3 1014 2 mA Unsigned 3 Phase Sys Power Factor 1016 2 1000 Signed Power Factor L1 1018 2 1000 Signed Power Factor L2 101A 2 1000 Signed power Factor L3 101C 2 1000 Signed 3 Phase Sys Apparent Power 1026 2 VA Unsigned Apparent Power L1 1028 2 VA Unsigned Apparent Power L2 102A 2 VA Unsigned Apparent Power L3 102C 2 VA Unsigned 3 Phase Sys Active Power 102E 2 Watt Unsigned Active Power L1 1030 2 Watt Unsigned 2CMC484001M0201 109 A43 A44 Revision A User Manual Communication with Modbus Quantity Start Reg Hex Size Unit Data type Active Power L2 1032 2 Watt Unsigned Active Power L3 1034 2 Watt Unsigned 3 Phase Reactive power 1036 2 VAr Unsigned Reactive Power L1 1038 2 VAr Unsigned Reactive power
120. ase meter 1 2 3 4 5 6 T 8 9 11 s1 s2 cr n O Pi e Pa 1 ot SS L2 L3 3 wire connection The following diagram shows a 3 wire connection of a transformer connected 3 phase meter P1 gt P2 A43 A44 22 2CMC484001M0201 User Manual Revision A Installation 2 wire connection The following diagram shows a 2 wire connection of a transformer connected 3 phase meter Cl x Vly LID ATI 1 2 3 4 5 6 T 9 11 s1 s2 Ht tt a N m PEE 2 4 3 Transformer connected meters with voltage transformer 4 wire connection The following diagram shows a 4 wire connection of a transformer connected 3 phase meter with voltage transformers S1 S2 a N L1 P1 P1 P1 pE IE I L3 2CMC484001M0201 23 A43 A44 Revision A User Manual Installation 3 wire connection 2 wire connection The following diagram shows a 3 wire connection of a transformer connected 3 phase meter with voltage transformers S1 S2 n 7 _ LD IS
121. asurement but can be used when high accuracy is not needed Illustration The following illustration shows single phase metering in a 3 phase system 2CMC484001M0201 83 A43 A44 Revision A User Manual Measurement Methods 7 1 2 3 Phase 2 Element Metering 2 element metering in a 3 wire system Illustration Calculating total active power Illustration The 2 element metering method is used in systems with 3 wires normally a 3 phase system that does not have a neutral conductor A 2 element meter can be used irrespectively of the load being balanced or not In a 2 element meter the L2 voltage is used as the voltage reference and the volt age difference between that voltage and the L1 and L3 voltage are measured and multiplied by its respective current The active energy consumed by the load is the product of momentary voltages U1 U2 and U3 U2 and the currents I1 and I2 integrated over the desired measuring time period The following diagram shows a 2 element meter measuring the active energy E consumed by a load If no harmonics is present and the rms values of the voltages and currents are constant the total active power can be expressed as Ptot P1 P3 U1 U2 x I1 c cos 12 U3 U2 x 13 x cos 32 The following vector diagram shows the vectors for the phase voltages U1 U2 U3 the phase currents I1 12 I3 and the element voltages U1 U2 U3 U2 for A43 A44 User Manual 84
122. ated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 Co DIF size no data storage number 1 9 1 40 DIFE unit 1 10 1 FD VIF extension of VIF codes 11 1 9B VIFE digital input 12 1 07 VIFE clear 13 1 XX CS checksum calculated from C field to last data 14 1 16 Stop character 10 4 11 Reset of stored state for input 2 Reset of stored state for input 2 is performed by sending the following command all values are hexadecimal The command is not affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 09 L field calculated from C field to last user data 3 1 09 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 Co DIF size no data storage number 1 9 1 80 DIFE unit 0 10 1 40 DIFE unit 2 11 1 FD VIF extension of VIF codes 12 1 9B VIFE digital input 13 1 07 VIFE clear 14 1 XX CS checksum calculated from C field to last data 15 1 16 Stop character A43 A44 240 2CMC484001M0201 User Manual Revision A Communication with M Bus 10 4 12 Reset of stored state for input 3 10 4 13 Reset of stored state for input 4 Reset of stored state for input 3 is performed by sending the following command all values are hexadecimal The command is not affected by the
123. ay The next interval end start times will be 14 00 16 00 18 00 20 00 22 00 00 00 etc Interval is set to 15 minutes current time 12 13 Evenly divisible with an hour The next interval end start times will be 12 15 12 30 12 45 13 00 13 15 13 30 etc Each channel has its own interval configuration That means that snapshots in one channel can be stored with a different interval than snapshots in another channel Each channel can be assigned a number of snapshots A total of 40 000 snapshots can be stored in a load profile All channels in a load profile share the same mem ory area which means that one channel can store 40 000 snapshots if no other A43 A44 User Manual 70 2CMC484001M0201 Revision A Technical Description Reading snapshots Load profile data channel is used By default the meter has all 8 channels activated with 5000 snap shots assigned to each If there is no free memory space available the oldest snapshot will be erased to make room for the most recent one It is possible to erase all snapshots per channel by sending a Reset Load profile command via communication There are two ways of reading out the snapshots Smart search automatically ignores all duplicate snapshots that may have been stored if time date has been changed backwards e Raw search outputs all snapshots that are stored in memory including any duplicate By default the search type is set
124. ber 6501 1 Write to this register to choose an R W entry number to start reading from Date Time 6504 3 Write to this register to choose a R W date time to start reading from Direction 6507 1 Write to this register to choose the R W direction of reading 2CMC484001M0201 Revision A 127 A43 A44 User Manual Communication with Modbus Data block The data block contains the log entries consisting of timestamp event counter event category event id and duration There is space for up to 15 log entries in the data block The log is read by repeatedly loading new values into the data block in backward or forward direction in time The event appearing in the first position in the data block has the entry number indicated by Entry number register In case of backwards reading the events in the other positions follow in ascending entry number order i e going towards older events In case of forward reading the events in the other positions follow in descending entry number order i e going towards more recent events Structure of the The following table describes the structure of the data block data block Entry Contents Start Size Description position Reg Hex 1 Timestamp 6510 3 Date and time when the event occur ed Date Time format 1 Category 6513 1 The category of this log entry exception warning error or information 1 Event id 6514 1 The id for t
125. cal data These are represented by registers in the Data block separately mapped for each functionality but with the same names The following table describes the common Data block registers Function Size Description Datatype Read Iwrite Timestamp 3 The date and time on which the value was Date Time R W stored Quantity 3 OBIS code for the quantity concerned 6 byte R W sequence A43 A44 112 2CMC484001M0201 User Manual Revision A Communication with Modbus Timestamp Quantity registers Data type register Scaler register Function Size Description Datatype Read write Datatype 1 Data type for the value of the quantity Unsigned RW concerned Scaler 1 Scaling of the value for the quantity concerned Signed R W The date and time on which the value was stored How to interpret the data in these registers is described in Date and time format on page 114 The OBIS code for a quantity in for example a load profile channel or previous values channel A list of OBIS codes is found in Quantity identifiers on page 114 The table below shows an example of how an OBIS code is mapped to the Quantity registers The OBIS code used is for active energy import total 1 0 1 8 0 255 Byte Comment on byte order Value in case of active number energy import total 0 Most significant byte of lowest register 1 1 Least significant byte of lowest register
126. ceeeeeeeeeneeeeeeeeneeeeeeeeaaes 222 10 3 5 Readout of Current Harmonics 0 cccceceeeeeseeeeeeeeneeeeeeeeeneeeeeeeeneeeeeeeeaaes 223 10 3 5 1 Examples of Readouts of Current Harmonics Data 0 00 225 10 3 6 Readout of Voltage Harmonics eeeeceeceeeeeeeeeeeeeeecieeeeeeenaeeeeeeetaeeeeeeenaaes 229 10 3 6 1 Examples of readout of voltage harmonics data eeeeeeeeeeeeeees 230 10 4 ASS SOUAAPIMN soria sides tele cata cos ates sets hove a sad outs path spudas ote dewaneggad eanea send toaaats 235 10 4 2 Set primary AddreSS seie a rE EE E a 236 10 4 3 Change baud rate arroa eaa e Aa EARE EE EEEE RRE AEAT 236 A43 A44 6 2CMC48001M0201 User Manual Revision A Table of Content 10 4 4 Reset power fail counter ccc ceeeeceeeceececeeceeeeee tees eeeeeecceneaeeeeeeeeeeeeeteeeteeea 237 10 4 5 Set Current transformer CT ratio numerator ooo ee eeeeeeeeeeteeeeeeenaaes 237 10 4 6 Set voltage transformer VT ratio numerator oo eee cette ee ettteeeeeeenaaes 238 10 4 7 Set current transformer CT ratio denominator cceeceeeeeseeeeeeeenees 238 10 4 8 Set voltage transformer VT ratio denominator cceeeeeeeeteeeeeeeenees 239 10 4 9 Select status information 2 0 2 2 cccceeeecceeececee cee ee cette eee eeeeeceeceneaeeseeeeeeeeeeeeeeeeeea 239 10 4 10 Reset of stored state for input 1 ccc ccecceececeeceeeeeeeeeeeeteeeeeeeeeeeeeeeetteeeeees 240 10 4 11 Reset of
127. character 2 1 OE L field calculated from C field to last user data 3 1 OE L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 Xx A field address 7 1 51 Cl field data send LSB first 8 1 07 DIF size 8 byte integer 9 1 FD VIF extension of VIF codes 10 1 16 VIFE password 11 18 8 XXXXXXXXXXXXXXXX Password 19 1 XX CS checksum calculated from C field to last data 20 1 16 Stop character 10 4 24 Set password Password is set by sending the following command all values are hexadecimal Note If the meter is password protected the old password must be sent before a new can be set A43 A44 246 2CMC484001M0201 User Manual Revision A Communication with M Bus Byte No Size Value Description 1 1 68 Start character 2 1 OF L field calculated from C field to last user data 3 1 OF L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 07 DIF size 8 byte integer 9 1 FD VIF extension of VIF codes 10 1 96 VIFE password 11 1 00 VIFE write replace 12 19 8 XXXXXXXXXXXXXXXX Password 20 1 XX CS checksum calculated from C field to last data 21 1 16 Stop character 10 4 25 Set date and time Date and time is set by sending the following command all values are hexadeci mal The command not affected by the write protection le
128. ciated day ID for the R W special day Special day The following table describes the group of registers for configuring a week registers profile Contents Register Byte nr Description Date 8CD3 0 high byte Year 2CMC484001M0201 151 A43 A44 Revision A User Manual Communication with Modbus Write special day configuration Read special day configuration S S Contents Register Byte nr Description 1 Month 8CD4 0 Day 1 Not used Day id 8CD5 Both Day ID associated with the special day Note All 3 registers in the table above must be written in one operation otherwise the values will not take effect Follow the steps in the table below to configure the special days Step Action 1 Write the number of special days to use to the Number of special days register This is a value between 1 and 50 2 Write the desired date and day id of the first special to the Special day registers Repeat step 2 for all special days that shall be used i e the same number of times as the value written in step 1 Follow the steps in the table below to read the current special day configuration Step Action 1 Read the Number of special days register to find out how many special days are used 2 Read from the Special day registers to get the date and day id for the first special day 3 Repeat step 2 for each special day until all special day config
129. ck 7 8610 115 Header The following table describes the header Function Start Size Description Read Reg write Hex Get next entry 8300 1 Write value 1 to this register to load the R W next block of values and timestamp Entry number 8301 1 Write to this register to choose an entry R W number to start reading from Date Time 8304 3 Write to this register to choose a date time R W to start reading from Direction 8307 1 Write to this register to choose the R W direction of reading Data blocks The Data blocks contain the history of demand Data block to 7 have the same structure Each block can contain up to 8 channels Consequently in a meter with 50 demand channels there are 8 channels in each of block 1 to block 6 and 2 channels in block 7 The registers of unused channels are filled with OxFFFF 2CMC484001M0201 123 A43 A44 Revision A User Manual Communication with Modbus Structure of the The following table describes the structure of the data blocks data blocks Channel Contents Start Size Description Reg Hex Common for Timestamp 8310 13 Date and time for the end if this period i e all channels when this entry was stored Date Time format Channel 1 Quantity 8313 3 OBIS code for the quantity monitored in channel 1 Channel 1 Level 8316 1 Demand level for channel 1 Cha
130. ction registers DO om AJOJN Repeat step 1 to 4 for all alarms that shall be used Follow the steps in the table below to read the current configuration of monitoring parameters for alarms Step Action 1 Write the number of the alarm to read configuration for to the Alarm number register This is a value between 1 and 25 Read the Quantity registers to get the quantity monitored in the chosen alarm Read the Thresholds registers to get the ON and OFF thresholds Read the Delays registers to get the ON and OFF delays oOo BR wy hy Read the Action registers to get the actions performed when an alarm is triggered A43 A44 User Manual 142 2CMC484001M0201 Revision A Communication with Modbus Step Action 6 Repeat step 1 to 4 for all alarms 9 9 5 Inputs and outputs General Inputs and outputs configuration defines the function for each physical I O port It also defines the parameters for the logical pulse outputs Mapping table The following table shows an overview of the mapping table Quantity Details Start Reg Hex Size Inputs and outputs I O port configuration 8COC 4 Inputs and outputs Pulse output configuration 8C10 12 I O port The following table describes the group of registers for configuring the function configuration for physical I O ports registers Register Star
131. d request for a specific phase A read request for a specific phase is performed by sending the following SND _UD to the meter followed by a REQ UD all values are hexadecimal Byte No Size Value Description 1 1 68 Start character 2 1 08 L field calculated from C field to last user data 3 1 08 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 01 DIF size 8 bit integer 9 1 FF VIF next byte is manufacturer specific 10 1 F9 VIF extension of manufacturer specific VIFE s next VIFE specifies actual meaning 11 1 2D VIFE specifies voltage harmonics 12 1 XX Phase number 1 3 13 1 XX CS checksum calculated from C field to last data 14 1 16 Stop character 2CMC484001M0201 229 A43 A44 Revision A User Manual Communication with M Bus About the data The meter will send out harmonic data for one phase in each telegram which sent out means 3 telegrams in a 3 element meter 2 telegrams in a 2 element meter and 1 telegram in a single phase meter Data sent out will be the total harmonic distortion and the harmonics measured normally those with numbers 2 16 Note that the total harmonic distortion is cal culated from the harmonics measured and is thus not the true total
132. d telegram all values are hexadecimal 0 cceeeeeeees 176 10 2 3 Example of 3rd telegram all values are hexadecimal cceeceeeteeeeeeeees 180 10 2 4 Example of the 4th telegram all values are hexadecimal seecceeeeeeeeesee 185 10 2 5 Example of the 5th telegram all values are hexadecimal cceeeeeeees 188 10 2 6 Example of the 6th telegram all values are hexadecimal cceeeeee 191 10 2 7 Example of the 7th telegram all values are hexadecimal ccceeeeees 195 10 2 8 Example of the 8th telegram all values are hexadecimal ceeeeeeees 198 10 2 9 Example of the 9th telegram all values are hexadecimal 0ceeeeeees 201 10 3 1 Readout of Load Profile Data oo ecceceeeeeecneee eee eenneeeeeeenaeeeeeeenaeeeeeeenaaes 205 10 3 1 1 Examples of Readouts of Load Profile Data cceeeeeeeeeteeees 210 10 3 2 Readout of Demand Data per se reei eeen ia ni rea E rA TREENAA Ea NAERA EREET EEEE EERTE NEEE 212 10 3 2 1 Examples of Readouts of Demand Data cscceseeeeeeeeteeeeseeee 213 10 3 3 Readout of Previous Values sssesssiesesssrresrrrrneessinnnesennnnestnnannestnnananstennaenne 215 10 3 3 1 Examples of Readouts of Previous Values ceeeeeeeeeeeeeteeeeees 217 10 3 4 Readout of Event Log Data ooo cece eee eete eee eeeeneeeeeeenaeeeeeeenaeeeeeeenaaes 220 10 3 4 1 Example of readout of log data oo ee eeceeee
133. desired tariffs with start time and if the tariff is to be used or not Up to eight tariffs can be set four for weekdays and four for week ends Set at least one tariff for weekedays Mon Fri and one for weekends Sat Sun even if the values are the same 2CMC484001M0201 Revision A 43 A43 A44 User Manual 4 1 14 Setting Previous Values To set set the previous values perform the following steps 1 Choose the Settings icon in the main menu press 2 Choose Previous Values Prev Val on the display press 3 Perform the setting The options are day week and month 4 If setting week use to go to the next step 5 Set what week day the snapshot of the values will be taken 4 1 15 Setting Load Profile To set the load profile perform the following steps 1 Choose the Settings icon in the main menu press 09 2 Choose Load Profiles Load Pro on the display press 9 3 The first page will show the interval for the quantity active energy imported Act Imp Tot on the display Up to eight channels pages are available to configure see table below Page Quantity On display Predefined value 1 8 Active Energy Imported total Act Imp Tot 1 hours 2 8 Active Energy Exported Total Act Exp Tot 1 hours 3 8 Reactive Energy Imported Total React Imp Tot 1 hours 4 8 Reactive Energy Exported Total React Exp Tot 1 hours 5 8 Input Counter 1 Inp Ctr 1 1 ho
134. drate See table Table 4 6 for the baudrate See Table 4 6 for baudrate options Set baudrate baudrate options Set baudrate 5 Press 7 once to get to the next Press 7 once to get to the next menu The display will show the menu The display will show address See Table 4 6 for address __ the address See Table 4 6 for range Set address address range Set address 6 Press once to get to the next Press once to get to the next menu The display will show the menu The display will show Oct TO See Table 4 6 for options the Parity See Table 4 6 for op Set Oct TO tions Set Parity 7 Press 7 once to get to the next menu The display will show the Inac TO See Table 4 6 for options Set Inac TO Press once to get to the next menu The display will show if the password is to be reset See Table 4 6 for options Set the option A43 A44 40 2CMC484001M0201 User Manual Revision A 4 1 10 Setting IR Side The IR Side uses the M Bus and the EQ Bus protocol to communicate To set the IR Side communication depending on protocol perform the following steps Step M Bus EQ Bus 1 Choose the Settings icon in the Choose the Settings icon in the main menu press main menu press 9 2 Choose IR Side press Choose IR Side press 9 3 Press and choose M Bus Press and choose EQ Bus 4 Press once t
135. e Quantity Details Start Reg Hex Size Tariffs Tariff source 8C90 1 Tariffs Input configuration 8C91 1 Tariffs Season configuration 8C92 35 2CMC484001M0201 Revision A A43 A44 User Manual 145 Communication with Modbus Quantity Details Start Reg Hex Size Tariffs Week profile configuration 8CB5 24 Tariffs Day profile configuration 8CCD 6 Tariffs Special days configuration 8CD3 5 Tariff source The Tariff source register is used to read or write the source used for controlling register the tariffs Possible values are listed in the table below Value Description 0 Clock Calendar 1 Communication 2 Inputs Input The Input configuration register is used for reading and writing tariff input configuration configuration It decides how many tariffs are used and which tariff is activated register for every combination of values on the inputs The following table describes the contents of the Input configuration register Byte Bits Description Possible values 0 high byte Entire The number of tariffs to use 1 4 byte 1 low byte 0 1 Tariff to activate when both 0 3 0 tariff 1 etc inputs are OFF 2 3 Tariff to activate when input 3 is 0 3 ON and input 4 is OFF 4 5 Tariff to activate when input 3 is 0 3 OFF and input 4 is ON 6 7 Tariff to activate when both 0 3 inputs are ON
136. e Alarm out Communication out Comm out on display e Pulse out Pul out on display Tariff out e Always on Always off A43 A44 36 2CMC484001M0201 User Manual Revision A 1 0 Available choices 4 static I Os Alarm out Communication out Comm out on display Pulse out Pul out on display Tariff out Always on Always off 1 static I O Alarm out Communication out Comm out on display Pulse out Pul out on display Tariff out Always on Always off 1 This choice makes it possible to control outputs by tariff settings 2 I O 1 and I O 2 are set to static output by default I O 3 and 4 are set to static output by default and cannot be configured I O 3 and I O 4 are not shown in the display 4 1 7 Setting Alarm To set the alarm perform the following steps 1 Choose the Settings icon in the main menu press 2 Choose Alarm press 3 The display will show what quantity shall be measured Depending on the meter type different quantities are available See table 4 3 and table 4 4 for available quantities and interval units for the different quantities Set the desired quantity 4 Press 7 once to get to the next menu The display will show what level the alarm will trigger on Set the alarm level 2CMC484001M0201 Revision A 37 A43 A44 User Manual 5 Press once to get to the next menu The display will show the
137. e data respond LSB first 8 11 4 XXXXXXXX Identification Number 8 BCD digits 12 13 2 4204 Manufacturer ABB 14 1 02 Version 15 1 02 Medium 02 Electricity 16 1 XX Number of accesses 17 1 XX Status 18 19 2 0000 Signature 0000 no encryption 20 1 8E DIF size 12 digit BCD 21 1 80 DIFE 22 1 Co DIFE Unit 2 23 1 40 DIFE Unit 4 24 1 84 VIF for unit kWh with resolution 0 01kWh 25 1 XX VIFE status 26 31 6 XXXXXXXXXXXX Active net energy Total 2CMC484001M0201 195 A43 A44 Revision A User Manual Communication with M Bus Byte No Size Value Description 32 1 8E DIF size 12 digit BCD 33 1 80 DIFE 34 1 co DIFE Unit 2 35 1 40 DIFE Unit 4 36 1 84 VIF for unit kWh with resolution 0 01kWh 37 1 FF VIFE next byte is manufacturer specific 38 1 81 VIFE L1 39 1 XX VIFE status 40 45 6 XXXXXXXXXXXX Active net energy L1 46 1 8E DIF size 12 digit BCD 47 1 80 DIFE 48 1 co DIFE Unit 2 49 1 40 DIFE Unit 4 50 1 84 VIF for unit kWh with resolution 0 01kWh 51 1 FF VIFE next byte is manufacturer specific 52 1 82 VIFE L2 53 1 XX VIFE status 54 59 6 XXXXXXXXXXXKX Active net energy L2 60 1 8E DIF size 12 digit BCD 61 1 80 DIFE 62 1 co DIFE Unit 2 63 1 40 DIFE Unit 4 64 1 84 VIF for unit kWh with resolution 0 01kWh 65 1 FF VIFE next byte is manufacturer specific 66 1 83 VIFE L
138. e entire history of logs backwards in time Step Action 1 Write the value 0 to the Entry number register to make sure the reading starts from the most recent entry Write the value 1 to the Get next entry register Read the data block First time this step is performed the logs in the data block are the most recent up to the 15th most recent Second time this step is performed the logs in the data block are the 16th to the 30th Repeat steps 2 and 3 until there are no more entries stored When all entries have been read all registers in the data block are set to OxFFFF Note The entry number register is reset to 0 after a restart Follow the steps in the table below to read forward or backwards in time from a specified date time Step Action 1 Write a date and time to the Date Time registers 2 Write to the Direction register Writing value 0 means backwards and value 1 means forward 3 Read data block 4 Write the value 1 to the Get next entry register 2CMC484001M0201 Revision A 129 A43 A44 User Manual Communication with Modbus Step Action 5 Repeat steps 3 and 4 until there are no more entries stored When all entries have been read all registers in the data block are set to OxFFFF Note The Date time registers are reset to OxFFFF after a restart A43 A44 130 2CMC484001M0201 User Manual Revision A Co
139. e import Tariff 3 51B8 4 0 01 kvarh Unsigned Reactive import Tariff 4 51BC 4 0 01 kvarh Unsigned Reactive export Tariff 1 51D0 4 0 01 kvarh Unsigned Reactive export Tariff 2 51D4 4 0 01 kvarh Unsigned Reactive export Tariff 3 51D8 4 0 01 kvarh Unsigned Reactive export Tariff 4 51DC 4 0 01 kvarh Unsigned Energy accumulators per phase All registers in the following table are read only Quantity Details Start reg Hex Size Res Unit Data type Active import L1 5460 4 0 01 kWh Unsigned Active import L2 5464 4 0 01 kWh Unsigned Active import L3 5468 4 0 01 kWh Unsigned Active export L1 546C 4 0 01 kWh Unsigned Active export L2 5470 4 0 01 kWh Unsigned Active export L3 5474 4 0 01 kWh Unsigned Active net L1 5478 4 0 01 kWh Unsigned Active net L2 547C 4 0 01 kWh Unsigned Active net L3 5480 4 0 01 kWh Unsigned 2CMC484001M0201 101 A43 A44 Revision A User Manual Communication with Modbus Quantity Details Start reg Hex Size Res Unit Data type Reactive import L1 5484 4 0 01 kvarh_ Unsigned Reactive import L2 5488 4 0 01 kvarh_ Unsigned Reactive import L3 548C 4 0 01 kvarh_ Unsigned Reactive export L1 5490 4 0 01 kvarh_ Unsigned Reactive export L2 5494 4 0 01 kvarh_ Unsigned Reactive export L3 5498 4 0 01 kvarh_ Unsigned Reactive net L1 549C 4 0 01 kvarh_ Unsig
140. e in terminal block Weight Environmental Operating temperature 40 C 70 C Storage temperature 40 C 85 C Humidity 75 yearly average 95 on 30 days year Resistance to fire and heat Terminal 960 C cover 650 C IEC 60695 2 1 Resistance to water and dust IP 20 on terminal block without protective enclosure and IP 51 in protective enclosure according to IEC 60529 Mechanical environment Class M1 in accordance with the Measuring Instrument Direc tive MID 2004 22 EC Electromagnetic environment Class E2 in accordance with the Measuring Instrument Direc tive MID 2004 22 EC Outputs Current 2 100 mA Voltage 24 VAC 240 VAC 24 VDC 240 VDC For meters with only 1 output 5 40VDC Pulse output frequency Prog 1 9999 imp MWh 1 9999 imp kWh 1 9999 imp Wh Pulse length 10 990 ms User Manual 74 2CMC484001M0201 Revision A Technical data Terminal wire area 0 5 1 mm Recommended tightening torque 0 25 Nm Inputs Voltage 0 240 V AC DC Off 0 20 V AC DC ON 45 240 V AC DC Min pulse length 30 ms Terminal wire area 0 5 1 mm Recommended tightening torque 0 25 Nm Communication Terminal wire area 0 5 1 mm Recommended tightening torque 0 25 Nm M Bus EN 13757 2 EN 13757 3 Modbus Modbus Application Protocol Specification V1 1b EQ Bus 62056 42 62056 46 620
141. eeeeseeceeneaaeeeeeeeeeeeetenetes 247 10 4 26 Set date ieran e eee e aaa a ee iae cated 248 10 4 27 Reset demand previous values load profile and logS sssssssnnsrrnnseeeeee 248 10 4 28 Reset resettable active energy iMport ce eeceeeeeeteeeeeeeeeteeeeeeeetaeeeeeeeeaas 249 10 4 29 Reset resettable active energy export 0 eee eeceeceeeeteeeeeeeeeteeeeeeeeseeeeeeeeaas 250 10 4 30 Reset resettable reactive energy iMport ssssessesssesrrsssesrrsssrrrrsssrrrrrssserrres 250 10 4 31 Reset resettable reactive energy export ssesiissserirssserrrsssrrrrsssrrrrrssereresst 251 10 4 32 Freeze demand ccccccccccceceeeeeeeeeeceeceaececeeeeeeeeeesedceeeeaaeeeceeeeeeeeeeeeeenieees 251 10 4 33 Set write access level ns eoeseosnnnrnnnernsteesttrntnrnrrnnttnsttsttentrnnnnnnnnnenneen ennt 252 10 4 34 Set tariff SOUTCE lonii ne taea aaee a e a aae aA a ea Aana 252 10 4 35 Set CO2 conversion factor cccceeececeeeeeeeceeeeeeeeeeeeeeceeeececaeeeeeeeeeeeeeeeeeeees 253 10 4 36 Set currency conversion factor ssseeseeseeeeeesserrtrssttrrststtrrnsntttrnsssttennssttt 253 2CMC48001M0201 7 A43 A44 Revision A User Manual Table of Content A43 A44 8 2CMC48001M0201 User Manual Revision A Product Overview Chapter 1 Product Overview Overview This chapter describes the parts of the meter and the different meter types In this chapter The following topics are covered in this chapter
142. ended tightening torque 0 25 Nm Inputs Voltage 0 240 V AC DC Off 0 20 V AC DC ON 45 240 V AC DC Min pulse length 30 ms Terminal wire area 0 5 1 mm Recommended tightening torque 0 25 Nm 76 2CMC484001M0201 User Manual Revision A Technical data Communication Terminal wire area 0 5 1mm Recommended tightening torque 0 25 Nm M Bus EN 13757 2 EN 13757 3 Modbus Modbus Application Protocol Specification V1 1b EQ Bus 62056 42 62056 46 62056 53 62056 61 62056 62 Transformer ratios Configurable voltage ratio VT 1 9999 Configurable current ratio CT 1 9999 Max total transformer ratio VT CT 999999 Pulse indicator LED Pulse Frequency 5000 imp kWh Pulse length 40 ms EMC compatibility Impulse voltage test 6 kV 1 2 50us IEC 60060 1 Surge voltage test 4 kV 1 2 50us IEC 61000 4 5 Fast transient burst test 4 kV IEC 61000 4 4 Immunity to electromagnetic HF fields 80 MHz 2 GHz at 10 V m IEC61000 4 3 Immunity to conducted disturbance 150kHz 80MHz IEC 61000 4 6 Immunity to electromagnetic distur bances 2 150 kHz for kWh meters Radio frequency emission EN 55022 class B CISPR22 Electrostatic discharge 15 kV IEC 61000 4 2 Standards IEC 62052 11 IEC 62053 21 class 1 amp 2 IEC 62053 23 class 2 IEC 62054 21 GB T 17215 211 2006 GBT 17215 321 2
143. energy import perform a reset Reset resettable 8F1E 1 Write the value 1 to Unsigned reactive energy export perform a reset Reset Previous values 8F1F 1 Write the value 1 to Unsigned perform a reset Reset Demand 8F20 1 Write the value 1 to Unsigned perform a reset Reset Load profile 8F21 1 Write the value 1 to Unsigned channel 1 perform a reset Reset Load profile 8F22 1 Write the value 1 to Unsigned channel 2 perform a reset Reset Load profile 8F23 1 Write the value 1 to Unsigned channel 3 perform a reset Reset Load profile 8F24 1 Write the value 1 to Unsigned channel 4 perform a reset Reset Load profile 8F25 1 Write the value 1 to Unsigned channel 5 perform a reset Reset Load profile 8F26 1 Write the value 1 to Unsigned channel 6 perform a reset Reset Load profile 8F27 1 Write the value 1 to Unsigned channel 7 perform a reset Reset Load profile 8F28 1 Write the value 1 to Unsigned channel 8 perform a reset Reset System log 8F31 1 Write the value 1 to Unsigned perform a reset A43 A44 108 2CMC484001M0201 User Manual Revision A Communication with Modbus DMTME multimeters Quantity Details Start Size Action Data type Reg hex Reset Event log 8F32 1 Write the value 1 to Unsigned perform a reset Reset Net quality log 8F33 1 Write the value 1 to Unsigned perform a reset Reset Communication 8F34 1 Write the value 1 to Unsigned log perform a reset Freeze dem
144. er for the alarm to R W configure Quantity 8C61 3 The quantity to monitor R W Thresholds 8C64 8 ON and OFF thresholds to used to R W decide when the alarm is active 2CMC484001M0201 139 A43 A44 Revision A User Manual Communication with Modbus Quantity identifiers Function Start Description Read Reg write Hex Delays 8C6C 4 ON and OFF delays defining the time R W that the measured value must be above below the configured thresholds before the alarm triggers Actions 8C70 2 Actions to perform when alarm is R W triggered The following table lists the OBIS codes for the quantities that can be monitored by an alarm Quantity OBIS code Voltage L1 1 0 32 7 0 255 Voltage L2 1 0 52 7 0 255 Voltage L3 1 0 72 7 0 255 Voltage L1 L2 1 0 134 7 0 255 Voltage L2 L3 1 0 135 7 0 255 Voltage L1 L3 1 0 136 7 0 255 Current L1 1 0 31 7 0 255 Current L2 1 0 51 7 0 255 Current L3 1 0 71 7 0 255 Current N 1 0 91 7 0 255 Active power total 1 0 16 7 0 255 Active power L1 1 0 36 7 0 255 Active power L2 1 0 56 7 0 255 Active power L3 1 0 76 7 0 255 Reactive power total 1 0 128 7 0 255 Reactive power L1 1 0 129 7 0 255 Reactive power L2 1 0 130 7 0 255 Reactive power L3 1 0 131 7 0 255 Apparent power total 1 0 137 7 0 255 Apparent power L1 1 0 138 7 0 255 Apparen
145. er Manual 86 2CMC484001M0201 Revision A Measurement Methods by the load is the product of momentary voltages U1 U2 and U3 and the currents I1 I2 and I3 integrated over the desired measuring time period Illustration The following diagram shows a direct connected 3 element meter measuring the active energy E consumed by a load Calculating total In the case where no harmonics are present and the rms values of the voltages and active power currents are constant the total active power can be expressed as Ptot P1 P2 P3 U1xI1xI1xcos ol U2 x I2 x cos 2 U3 x I3 x cos 3 3 element metering with the neutral disconnected Sometimes it is desired to use a 3 element meter without having the neutral con nected It can be done with both transformer connected and direct connected me ters This can for example be desired in cases where a voltage transformer without a neutral is being used for the moment but where a change to a voltage transformer with neutral will be made sometime in the future To save the trouble of changing the meter at that time a 3 element meter is used from the beginning Using a 3 element meter without having the neutral connected will decrease the accuracy due to the fact that the floating neutral connection on the meter terminal 11 will lie at a different level than the true neutral N because of impedance imbalance inside the meter resulting in the phase voltages not being correct The
146. er Manual Communication with M Bus 10 4 29 Reset resettable active energy export Reset of resettable active energy export is performed by sending the following command all values are hexadecimal The command is affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 09 L field calculated from C field to last user data 3 1 09 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 80 DIF size no data 9 1 40 DIFE unit 1 10 1 84 VIFE specifying energy 11 1 FF VIFE next byte is manufacturer specific 12 1 F2 Resettable registers 13 1 07 VIFE clear 14 1 XX CS checksum calculated from C field to last data 15 1 16 Stop character 10 4 30 Reset resettable reactive energy import Reset of resettable active energy export is performed by sending the following command all values are hexadecimal The command is affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 08 L field calculated from C field to last user data 3 1 08 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 80 DIF size no data 9 1 80 DIFE unit 0 10 1 40 DIFE unit
147. er interval 26 Input 4 register values at end of interval 27 Input 4 number of counts per interval 28 Current average values per interval 29 Voltage average values per interval 2A THD voltage average values per interval 2B THD current average values per interval 2C Power factor average values per interval 13 14 XXXX Date M Bus data type G LSB byte sent first 15 XX CS checksum calculated from C field to last data 16 16 Stop character Read request for a specified date and time A read request for a specified time is performed by sending the following SND_UD to the meter followed by a REQ _UD2 all values are hexadecimal Byte No Size Value Description 1 1 68 Start character 2 1 OE L field calculated from C field to last user data 3 1 OE L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 0E DIF size 12 digit BCD data 9 1 ED VIF time point date M Bus data type G 10 1 FF VIF next byte is manufacturer specific 11 1 F9 VIF extension of manufacturer specific VIFE s next VIFE spec ifies actual meaning A43 A44 206 2CMC484001M0201 User Manual Revision A Communication with M Bus Byte No Size Value Description 12 XX VIFE specifies data requested 10 Active import energy register values at
148. ergy import L3 Active Energy import Tariff 1 Active Energy import Tariff 2 Active Energy import Tariff 3 Active Energy import Tariff 4 Active Energy Export Firmware Upgrade status 2CMC484001M0201 Revision A 63 A43 A44 User Manual Technical Description 5 7 5 Settings Log Contents This log stores an event when the transformer ratio is reconfigured The following information is stored in an event e Date and Time e Firmware version e Active Energy import e Active Energy import L1 e Active Energy import L2 e Active Energy import L3 e Active Energy import Tariff 1 e Active Energy import Tariff 2 e Active Energy import Tariff 3 e Active Energy import Tariff 4 e Active Energy Export e CT Value e VT Value e Elements 5 7 6 Event codes Description The following table describes the event codes that may ocurr in the System log the Event log and the Net quality log Event code Event 41 Program CRC error 42 Persistent storage error 53 RTC circuit error 1000 U1 Missing Warning 1001 U2 Missing Warning 1002 U3 Missing Warning 1004 Negative Power Element 1 Warning 1005 Negative Power Element 2 Warning 1006 Negative Power Element 3 Warning 1007 Negative Total power Warning 1008 Frequency Warning 1010 Date Not Set Warning 1011 Time Not Set Warning 2013 Alarm 1 active 2014 Alarm 2 active A43 A44 64 2CMC484001M0201 User Manu
149. ers are intended to be mounted on a DIN rail DIN 50022 If this method of mounting is used no extra accessories are needed and the meter is fastened by snapping the DIN rail lock onto the rail DIN rail The following picture shows a DIN rail Wall mounted The recommended way to mount the meter on a wall is to mount a separate DIN rail on the wall and then mount the meter on the rail A43 A44 16 2CMC484001M0201 User Manual Revision A Installation Flush mounted To flush mount the meter a flush mount kit should be used Flush mount kit The following picture shows a flush mount kit 2CMC484001M0201 17 A43 A44 Revision A User Manual Installation 2 2 Environmental Considerations Ingress protection To comply with the protection requirements the product must be mounted in pro tection class IP 51 enclosures or better according to IEC 60259 Mechanical environment In accordance with the Measuring Directive 2004 22 EC the product complies with M1 which means that it can be operated in locations with vibration and shocks of low significance e g for instruments fastened to light suporting struc tures subject to negligible vibrations and shocks transmitted from local blasting or pile driving activities slamming doors etc Electromagnetic environment In accordance with the Measuring Directive 2004 22 EC the product complies with E2 which means that
150. esolution 0 01kvarh 208 1 XX VIFE status 209 214 6 XXXXXXXXXXXX Reactive exported energy Tariff 1 215 1 8E DIF size 12 digit BCD 216 1 EO DIFE tariff 2 unit bit O 217 1 40 DIFE unit bit 1 unit bit O 1 gt unit 3 218 1 84 VIF for units kvarh with resolution 0 01kvarh 219 1 XX VIFE status 220 225 6 XXXXXXXXXXXX Reactive exported energy Tariff 2 226 1 8E DIF size 12 digit BCD 227 1 FO DIFE tariff 3 unit bit O 228 1 40 DIFE unit bit 1 unit bit O 1 gt unit 3 229 1 84 VIF for units kvarh with resolution 0 01kvarh 230 1 XX VIFE status 231 236 6 XXXXXXXXXXXX Reactive exported energy Tariff 3 237 1 8E DIF size 12 digit BCD 238 1 Co DIFE unit bit 0 239 1 50 DIFE tariff 4 unit bit 1 unit bit 0 1 gt unit 3 240 1 84 VIF for units kvarh with resolution 0 01kvarh 241 1 XX VIFE status 242 247 6 XXXXXXXXXXXX Reactive exported energy Tariff 4 248 1 1F DIF more records will follow in next telegram 249 1 XX CS checksum calculated from C field to last data 250 1 16 Stop character A43 A44 184 2CMC484001M0201 User Manual Revision A Communication with M Bus 10 2 4 Example of the 4th telegram all values are hexadecimal Byte No Size Value Description 1 1 68 Start character 2 1 AE L field calculated from C field to last user data 3 1 AE L field repeated 4 1 68 Start character 5
151. ess Description 0 Factory default 1 250 Can be given to meters as individual primary addresses either via the bus secondary addressing or via the buttons directly on the meter 251 252 Reserved for future use 253 Used by the secondary addressing procedure FDh 254 Used for point to point communication FEh The meter replies with its primary address 255 Used for broadcast transmissions to all meters FFh None of the meters replies to a broadcast message Cl Field The ClI field control information codes the type and sequence of application data to be transmitted in the frame Bit two counting begins with bit 0 value 4 called M bit or Mode bit in the Cl field gives information about the used byte sequence in multi byte data structures For communication with the meter the Mode bit shall not be set Mode 1 meaning the least significant byte of a multi byte record is transmitted first The following table shows the codes to be used by the master Cl_Field codes Application 51h Data send 52h Selection of slaves B8h Set baud rate to 300 B9h Set baud rate to 600 Bah Set baud rate to 1200 BBh Set baud rate to 2400 BCh Set baud rate to 4800 BDh Set baud rate to 9600 BEh Set baud rate to 19200 BFh Set baud rate to 38400 The meter uses code 72 in the C Field to respond to requests for user data A43 A44 160 2CMC484001M0201 User Manual Revision A Communication with M Bus User data The User Data contains the data t
152. everal different transformers can be summed into one single metering meter Note The summation metring method could also be used with a single phase meter or a 2 element meter Illustration The following illustration shows summation metring with a 3 element trans former connected meter L2 L3 N est TTT TITTY mi ain mns L1 To load 1 To load 2 2CMC484001M0201 89 A43 A44 Revision A User Manual Measurement Methods A43 A44 90 2CMC484001M0201 User Manual Revision A Service amp Maintenance Chapter 8 Service amp Maintenance Overview This chapter contains information about service and manitenance of the product In this chapter 8 1 Service and Maintenance ccceccccceeeeeeeeeeeeeeececaeceeeeeeeeeeeeeeeneaes 92 2CMC484001M0201 91 A43 A44 Revision A User Manual Service amp Maintenance 8 1 Service and Maintenance Service This product contains no parts that can be repaired or exchanged A broken meter must be replaced Cleaning If the meter needs to be cleaned use a lightly moistened cloth with a mild deter gent to wipe it Caution Be careful that no liquid gets into the meter since it can ruin the equipment A43 A44 92 2CMC484001M0201 User Manual Revision A Communication with Modbus Chapter 9 Communication with Modbus Overview This chapter describes the mapping from meter data to Modbus and how to read and write t
153. flags 8A13 64 flags 4 Bit string R Information flags 8A19 64 flags 4 Bit string R Warning flags 8A1F 64 flags 4 Bit string R Alarm flags 8A25 64 flags 4 Bit string R Power fail counter 8A2F 1 Unsigned R Power outage time 8A39 Byte 0 2 days 3 Date Time R Byte 3 hours Byte 4 minutes Byte 5 seconds Reset counter for 8A48 4 Unsigned R active energy import Reset counter for 8A4C 4 Unsigned R active energy export Reset counter for 8A50 4 Unsigned R reactive energy import Reset counter for 8A54 4 Unsigned R reactive energy export A43 A44 106 2CMC484001M0201 User Manual Revision A Communication with Modbus Byte 0 is the highest byte of the lowest register The Reset counter registers show the number of times the resettable energy accumulators have been reset Settings All registers in the following table have read and write access Quantity Start Size Res Unit Data type Reg hex Current transformer ratio 8C04 2 Unsigned numerator Voltage transformer ratio 8C06 2 Unsigned numerator Current transformer ratio 8C08 2 Unsigned denominator Voltage transformer ratio 8COA 2 Unsigned denominator CO2 conversion factor 8CE0 2 0 001 kg kWh Unsigned Currency conversion factor 8CE2 2 0 01 Currency Unsigned kWh LED source 0 active 8CE4 1 Unsigned energy 1 reactive energy Number of elements values 8CE5 1 Unsi
154. for interval 4 Press 7 The display will show the quantity Voltage VT on the display and the ratio To change the ratio press E See table 4 1 for interval Table 4 1 Option Interval Transformer Current CT on the dis 1 9999 1 9 play Transformer Voltage VT on the dis 1 999999 1 999 play 4 1 4 Setting Wires The meter can either use three wires TPE or four wires TPE N To set the number of wires perform the following steps 1 Choose the Settings icon in the main menu press 2 Choose Wires press 9 3 The display will now show the wire configuration used by the meter 4 Set the number of wires 4 1 5 Setting Pulse Output To set the pulse output perform the following steps 1 Choose the Settings icon in the main menu press 2 Choose Pulse out Pul out on the display press 0 The display will show what type of energy is measured on pulse output 1 Depending on meter type the available choices are Act Nrg Imp on the display Active energy imported Act Nrg Exp on the display Active energy exported React Nrg Imp on the display Reactive energy imported React Nrg Exp on the display Reactive energy exported Inactive on the display Inactive 3 Set the energy type 2CMC484001M0201 35 A43 A44 Revision A User Manual 4 Press 7 once to get to the next menu The display will show the frequency The interva
155. formers is correct Also check that the transformers are connected to the correct meter terminals 2CMC484001M0201 Revision A 19 A43 A44 User Manual Installation Step Action 10 Switch on the power If a warning symbol is displayed refer to the error codes in Troubleshooting 11 Under the menu item Instantaneous Values on the meter check that the volt ages currents power and power factors are reasonable and that the power di rection is what to be expected the total power should be positive for a load that consumes energy When doing the check the meter should be connected to the intended load preferably a load with a current above zero on all phases to make the check as complete as possible Circuit protection Use the information in this table to select the correct fuse for the circuit protec tion Table 2 1 Meter type Max circuit protection Direct connected 80 A MCB C characteristic or 80 A fuse type gL gG Transformer connected 10 A MCB B characteristic or Diazes fast 2 3 1 Configuring the meter Default settings For information about how to change the default settings of the meter refer to the chapter called Meter Settings Default settings The following table lists the default settings of the meter that normally need to be changed Check the settings of the meter to see if they need to be reconfigured
156. g Tables on page 100 The Modbus protocol is specified in its entirety in Modbus Application Protocol Specification V1 1b The document is available at http www modbus org The following function codes are supported e Function code 3 Read holding registers Function code 6 Write single register Function code 16 Write multiple registers A Modbus request frame generally has the following structure Slave Address Function Code Data Error Check Slave address Modbus slave address 1 byte Function code Decides the service to be performed Data Dependent on the function code The length varies Error check CRC 2 bytes The network messages can be query response or broadcast type The query response command sends a query from the master to an individual slave and is generally followed by a response The broadcast command sends a message to all slaves and is never followed by a response Broadcast is supported by function code 6 and 16 9 1 1 Function Code 3 Read holding registers General Function code 3 is used to read measurement values or other information from the electricity meter It is possible to read up to 125 consecutive registers at a time This means that multiple values can be read in one request A43 A44 94 2CMC484001M0201 User Manual Revision A Communication with Modbus Request frame Example of a request Response frame Example of
157. ge in the modbus mapping are registers 1000 8EFF hexadecimal Reading any registers within this range will result in a normal Modbus response It is possible to read any number of registers between 1 and 125 i e it is not necessary to read all registers of a quantity listed on one line in the mapping tables Any attempt to read outside this range will result in an illegal data address exception Modbus exception code 2 For quantities that are represented as more than register the most significant byte is found in the high byte of the first lowest register The least significant byte is found in the low byte of the last highest register Unused registers within the mapping range for example missing quantities in the connected meter will result in a normal Modbus response but the value of the register will be set to invalid For quantities with data type unsigned the value will be FFFF in all registers For quantities with data type signed the value is the highest value possible to express That means that a quantity that is represented by only one register will have the value 7FFF A quantity that is represented by 2 registers will have the value 7FFFFFFF and so on Writing to registers is only permitted to the registers listed as writable in the mapping tables Attempting to write to a register that is listed as writable but that is not supported by the meter will not result in an error indication No
158. git BCD storage number bit 0 21 1 00 DIFE storage number bit 1 4 22 1 ED VIF for time date point 23 1 E8 VIFE indicating end of period 24 1 XX VIFE status 25 30 6 XXXXXXXXXXXX Time and date sec min hour day month year 31 1 CE DIF size 12 digit BCD storage number bit 0 32 1 40 DIFE storage number bit 1 4 unit bit 0 33 1 FD VIF FD gt next VIFE specifies type of value 34 1 61 Cumulation counter 35 1 XX VIFE status 36 41 6 XXXXXXXXXXXX Number of pulses registered on input 1 42 1 CE DIF size 12 digit BCD storage number bit 0 43 1 80 DIFE storage number bit 1 4 unit bit 0 44 1 40 DIFE unit bit 1 45 1 FD VIF FD gt next VIFE specifies type of value 46 1 61 Cumulation counter 47 1 XX VIFE status 48 53 6 XXXXXXXXXXXX Number of pulses registered on input 2 54 1 CE DIF size 12 digit BCD storage number bit 0 55 1 Co DIFE storage number bit 1 4 unit bit 0 56 1 40 DIFE unit bit 1 57 1 FD VIF FD gt next VIFE specifies type of value 58 1 61 Cumulation counter 59 1 XX VIFE status 60 65 6 XXXXXXXXXXXX Number of pulses registered on input 3 66 1 CE DIF size 12 digit BCD storage number bit 0 67 1 80 DIFE storage number bit 1 4 unit bit 0 68 1 80 DIFE unit bit 1 69 1 40 DIFE unit bit 2 70 1 FD VIF FD gt next VIFE specifies type of value 71 1 61 Cumulation counter 72 1 XX VIFE status A43 A44 User Manual 202 2CMC484001M0201 Revision A Communication with M Bus
159. gned 1 3 Operations All registers in the following table are write only Quantity Details Start Size Action Data type Reg hex Reset power fail 8F00 1 Write the value 1 to Unsigned counter perform a reset Reset power outage 8F05 1 Write the value 1 to Unsigned time perform a reset Reset input counter Input 1 8FOB J1 Write the value 1 to Unsigned perform a reset Reset input counter Input2 8FOC 1 Write the value 1 to Unsigned perform a reset Reset input counter Input3 8FOD 1 Write the value 1 to Unsigned perform a reset Reset input counter Input4 8FOE 1 Write the value 1 to Unsigned perform a reset 2CMC484001M0201 107 A43 A44 Revision A User Manual Communication with Modbus Quantity Details Start Size Action Data type Reg hex Reset stored state input 1 8F13 1 Write the value 1 to Unsigned perform a reset Reset stored state Input2 8F14 1 Write the value 1 to Unsigned perform a reset Reset stored state input3 8F15 1 Write the value 1 to Unsigned perform a reset Reset stored state Input4 8F16 1 Write the value 1 to Unsigned perform a reset Reset resettable active 8F1B 1 Write the value 1 to Unsigned energy import perform a reset Reset resettable active 8F1C 1 Write the value 1 to Unsigned energy export perform a reset Reset resettable 8F1D 1 Write the value 1 to Unsigned reactive
160. h 1 decimal 40 1 02 DIF size 2 byte integer 41 1 FF VIF next byte is manufacturer specific 42 1 ED VIFE current harmonics 43 1 FF VIF next byte is manufacturer specific 44 1 8x VIFE phase x 45 1 FF VIF next byte is manufacturer specific 46 1 F8 Extension of manufacturer specific VIFE s next VIFE s used for numbering 47 1 03 Harmonic number 48 49 2 XXXX 3 rd harmonic in percent with 1 decimal 50 1 02 DIF size 2 byte integer 51 1 FF VIF next byte is manufacturer specific 52 1 ED VIFE current harmonics 53 1 FF VIF next byte is manufacturer specific 54 1 8x VIFE phase x 55 1 FF VIF next byte is manufacturer specific 56 1 F8 Extension of manufacturer specific VIFE s next VIFE s used for numbering 57 1 04 Harmonic number 58 59 2 XXXX 4 th harmonic in percent with 1 decimal 60 1 02 DIF size 2 byte integer 61 1 FF VIF next byte is manufacturer specific 62 1 ED VIFE current harmonics 63 1 FF VIF next byte is manufacturer specific 64 1 8x VIFE phase x 65 1 FF VIF next byte is manufacturer specific 66 1 F8 Extension of manufacturer specific VIFE s next VIFE s used for numbering 67 1 05 Harmonic number 68 69 2 XXXX 5 th harmonic in percent with 1 decimal 70 1 02 DIF size 2 byte integer 71 1 FF VIF next byte is manufacturer specific 72 1 ED VIFE current harmonics A43 A44 226 2CMC484001M0201 User Manual Revision A Communication with M Bus
161. harmonic dis tortion which would require all harmonics up to infinite frequency to be mea sured If any harmonic have frequency above 500 Hz it will not be measured and will be marked not available 10 3 6 1 Examples of readout of voltage harmonics data Example 1 The readout contains the following data Byte No Size Value Description 1 1 68 Start character 2 1 73 L field calculated from C field to last user data 3 1 73 L field repeated 4 1 68 Start character 5 1 08 C field RSP_UD 6 1 XX A field address 7 1 72 Cl field data send LSB first 8 11 4 XXXXXXXX identification number 8 BCD digits 12 13 2 4204 Manufacturer ABB 14 1 05 Version 15 1 02 Medium 02 electricity 16 1 XX Number of accesses 17 1 XX Status 18 19 1 0000 Signature 0000 no encryption 20 1 02 DIF size 2 byte integer 21 1 FF VIF next byte is manufacturer specific 22 1 EE VIFE voltage harmonics 23 1 FF VIF next byte is manufacturer specific 24 1 8x VIFE phase x 25 1 FF VIF next byte is manufacturer specific 26 1 F8 Extension of manufacturer specific VIFE s next VIFE s used for numbering 27 1 00 Number 0 signifies total harmonics 28 29 2 XXXX Total harmonics in percent with 1 decimal 30 1 02 DIF size 2 byte integer 31 1 FF VIF next byte is manufacturer specific 32 1 EE VIFE voltage harmonics A43 A44 230 2CMC484001M0201 User Manual Revision A Communication with M Bus
162. he meter will send out harmonic data for one phase in each telegram which means 3 telegrams in a 3 element meter 2 telegrams in a 2 element meter and 1 telegram in a single phase meter Data sent out will be the total harmonic distortion and the harmonics measured normally those with numbers 2 16 Note that the total harmonic distortion is cal culated from the harmonics measured and is thus not the true total harmonic dis A43 A44 User Manual 224 2CMC484001M0201 Revision A Communication with M Bus tortion which would require all harmonics up to infinite frequency to be mea sured Note Data may temporarily be marked not available if there are disturbances on the net for example due to short voltage dips making the frequency measurement invalid Also directly after startup all harmonics will be marked not available as they haven t been measured yet As the harmonics are measured sequentially one at a time they will be available one by one 10 3 5 1 Examples of Readouts of Current Harmonics Data Comments In the following are 2 examples of readouts of current harmonics data The second example which is in telegram format is commented The comments are preceded by semicolon The data in both telegrams is hexadecimal Example 1 The readout contains the following data Byte No Size Value Description 1 1 68 Sta
163. his log entry identifying what has happened 1 Duration 6515 2 The duration of this event measured in seconds 15 Timestamp 6572 3 Date and time when the event occur ed Date Time format 15 Category 6575 1 The category of this log entry exception warning error or information 15 Event id 6576 1 The id for this log entry identifying what has happened 15 Duration 6577 2 The duration of this event measured in seconds Category Possible values for the category register are shown in the table below Category Description 1 Exception 2 Error A43 A44 128 2CMC484001M0201 User Manual Revision A Communication with Modbus Category Description 4 Warning 8 Information 9 7 1 Reading Event logs General Read the 15 most recent logs Read the entire history Read forward or backwards froma specified date time Readout of logs is controlled by the Entry number register or the Date Time register After writing to the Entry number register or the Date Time register the log entries are available in the registers of the data block To get the next set of entries the Get next entry register is used Follow the steps in the table below to read the 15 most recent log entries Step Action 1 Write the value 1 to the entry number register 2 Read the data block Follow the steps in the table below to read th
164. ical Description 5 10 Load Profile General Intervals Example 1 Example 2 Channels and snapshots A load profile is a collection of 8 channels that can store register values Through communication each channel can be assigned one register a time interval and a minimum amount of snapshots to be stored in the channel Interval per channel can also be configured via the buttons on the meter The load profiles can be read via communication or directly on the display The stored register values in a channel can be read either as a list of snapshots or as interval consumptions Note Before any load profiles can be stored time date must be set If a power failure occurs toward the end of an interval the event will be stored when the meter powers up again only if time date are still correct The interval lengths for Load Profiles can be one of the following 1 2 5 10 15 20 30 60 120 180 240 360 480 720 or 1440 minutes If the interval is evenly divisible with an hour the start of each hour will mark the start of a new interval If the interval is evenly divisible with a day the start of a day will mark the start of a new interval The interval date and time is stored as end of interval For instance if an interval starts 2010 01 01 00 00 00 and ends 2010 01 01 00 15 00 then the stored period will be 2010 01 01 00 15 00 Interval is set to 120 minutes current time 12 13 Evenly divisible with a d
165. iff source is set by sending the following command all values are hexa decimal The command is affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 08 L field calculated from C field to last user data 3 1 08 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 01 DIF size 8 bit integer 9 1 FF VIF next byte is manufacturer specific 10 1 F9 VIF extension of manufacturer specific VIFE s next VIFE specifies actual meaning 11 1 06 VIFE tariff source 12 1 XX Tariff source 0 Internal clock 1 Communication command 2 Inputs 13 1 XX CS checksum calculated from C field to last data 14 16 Stop character A43 A44 252 2CMC484001M0201 User Manual Revision A Communication with M Bus 10 4 35 Set CO2 conversion factor The co2 conversion factor is set by sending the following command all values are hexadecimal The command is not affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 OA L field calculated from C field to last user data 3 1 OA L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 04 DIF size 32 bit integer 9 1 FF VIF next byte
166. in the table below Value Description 0 Activate tariff 1 3 Activate tariff 4 100 Set output 1 101 Reset output 1 106 Set output 4 107 Reset output 4 Follow the steps in the table below to configure the day profiles Step Action 1 Write the number of day profiles to use to the Number of day profiles register This is a value between 1 and 16 2 Write the number of actions to perform for the first day profile to the Number of actions register This is a number between 1 and 30 3 Write the execution time and action id for the first action to perform during the day to the Action registers 4 Repeat step 3 for all actions that shall be performed during the day i e the same number of times as the value written in step 2 5 Repeat step 2 4 for all day profiles i e the same number of times as the value written in step 1 A43 A44 User Manual 150 2CMC484001M0201 Revision A Communication with Modbus Read day profile Follow the steps in the table below to read the current day profile configuration configuration Step Action 1 Read the Number of day profiles register to find out how many day profiles are used 2 Read the Number of actions register to find out how many actions are configured for the first day profile 3 Read from the Action registers to get the execution time and action id for the first action 4 Repeat step 3 for
167. intenance of transformer rated meters it is recommended that there should be a short circuiting device installed near the meter Meters with wireless communication should not be installed closer than 20 cm from people Follow the steps in the table below to install and verify the installation of the meter Step Action 1 Switch off the mains power 2 Place the meter on the Din rail and make sure it snaps onto it 3 Strip the cable insulation to the length that is indicated on the meter 4 Connect the cables according to the wiring diagram that is printed on the meter and tighten the screws 2 5 Nm for direct connected meters and 2 Nm for trans former connected meters 5 Install the circuit protection See table 2 1 below for the correct fuse 6 If inputs outputs are used connect the cables according to the wiring diagram that is printed on the meter and tighten the screws 0 25 Nm Then connect to an external power supply max 240V 7 If communication is used connect the cables according to the wiring diagram that is printed on the meter and tighten the screws 0 25 Nm Verify the installation 8 Check that the meter is connected to the specified voltage and that voltage phase connections and the neutral if used are connected to the correct termi nals 9 For a transformer connected meter check that the current direction of the pri mary and secondary current of the external trans
168. ion A Product Overview Product label The meter type information that is reflected on the labels on the meter is shown in the picture below re A43 512 100 _ 12345678 o Active energy cl 1 and B Ee _ Reactive energy cl 2 i O V 3x57 7 100 3x288 7 500 _ 0 25 5 80 A A 50 or 60 HX 1000 imp kwh 0o Prog imp kWh 0 40 C to 85 C n e o E o M3 512 100 il itl Product label The information on the product label is explained in the table below information Item Description Import export of energy 3 element metering 2 element metering 1 element metering LED Pulse output Protection class II Declaration of product safety o CO N OD oy BR Ww hy Type designation Serial number a Accuracy active energy 2CMC484001M0201 Revision A 13 A43 A44 User Manual Product Overview Item Description 12 Accuracy reactive energy 13 Voltage 14 Current 15 Frequency 16 LED pulse frequency 17 Pulse frequency 18 Temperature range 19 Date of manufacture year and week 20 ABBID 21 Notified body 22 MID and year of verification A43 A44 User Manual 14 2CMC484001M0201 Revision A Installation Chapter 2 Installation Overview This
169. ion This value is called primary value Presentation of register values In direct connected meters the energy is usually displayed with a fixed unit and number of decimals normally kWh with no decimals In transformer connected meters where primary values are displayed the energy values can be rather big when the total transformer ratio is big Normally the meter automatically adapts the unit and number of decimals displayed to the value In case the energy is displayed with fixed units and number of decimals the energy will roll over to zeros when the energy is incremented if all nines are displayed The meter can however contain more digits internally which can be read out via communication if the meter is equipped with a communication interface See the example below where the value 2483756 is displayed while the internal register contains 192483756 6 A43 A44 User Manual 48 2CMC484001M0201 Revision A Technical Description Image The following picture shows a display with fixed unit and numbers of decimals 9 E 1 2 3 AT10 8 19 2483756 6 kWh ACT NRG IMP TOT 1 20 2CMC484001M0201 49 A43 A44 Revision A User Manual Technical Description 5 2 Instrumentation Instrumentation The following table shows the complete instrumentation functions of the A43 and
170. is manufacturer specific 10 1 24 VIFE CO2 conversion factor in g kWh 11 14 4 XXXXXXXX CO2 conversion factor 15 1 XX CS checksum calculated from C field to last data 16 1 16 Stop character 10 4 36 Set currency conversion factor The currency conversion factor is set by sending the following command all val ues are hexadecimal The command is not affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 OA L field calculated from C field to last user data 3 1 OA L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 04 DIF size 32 bit integer 9 1 FF VIF next byte is manufacturer specific 10 1 25 VIFE currency conversion factor 11 14 4 XXXXXXXX Currency conversion factor in currency kWh with 3 decimals 15 1 XX CS checksum calculated from C field to last data 16 1 16 Stop character 2CMC484001M0201 253 A43 A44 Revision A User Manual Communication with M Bus A43 A44 254 2CMC484001M0201 User Manual Revision A
171. it can be operated in locations with electro magnetic disturbances corresponding to those likely to be found in other industrial build ings Climatic environment In order to work properly the product should not be operated outside the specified temperature range of 40 C 70 C In order to work properly the product should not exposed to humidity exceeding the specified 75 yearly average 95 on 30 days year A43 A44 User Manual 18 2CMC484001M0201 Revision A Installation 2 3 Installing the Meter A A A Installation requirements Install the meter Warning Electrical equipment should only be installed accessed serviced and maintained by qualified electrical personnel Working with high voltage is potentially lethal Persons subjected to high voltage may suffer cardiac arrest burn injuries or other severe injuries To avoid such injuries make sure to disconnect the power supply before you start the installation Warning For safety reasons it is recommended that the equipment is installed in a way that makes it impossible to reach or touch the terminal blocks by accident The best way to make a safe installation is to install the unit in an enclosure Further access to the equipment should be limited through use of lock and key controlled by qualified electrical personnel Warning The meters must always be protected by fuses on the incoming side In order to allow for ma
172. ith resolution 0 01kWh 43 1 XX VIFE status 44 49 6 XXXXXXXXXXXX Active exported energy Total 50 1 CE DIF size 12 digit BCD storage number bit 0 51 1 80 DIFE 52 1 40 DIFE unit 2 53 1 84 VIF for units kvarh with resolution 0 01kvarh 54 1 XX VIFE status 55 60 6 XXXXXXXXXXXX Reactive imported energy Total 61 1 CE DIF size 12 digit BCD storage number bit 0 62 1 Co DIFE unit 1 63 1 40 DIFE unit 2 64 1 84 VIF for units kvarh with resolution 0 01kvarh 65 1 XX VIFE status 66 71 6 XXXXXXXXXXXX Reactive exported energy Total 72 1 4E DIF size 12 digit BCD storage number bit 0 73 1 84 VIF for units kWh with resolution 0 01kWh 74 1 FF VIFE next byte is manufacturer specific 75 1 81 VIFE L1 76 1 XX VIFE status 77 82 6 XXXXXXXXXXXX Active imported energy L1 83 1 4E DIF size 12 digit BCD storage number bit 0 84 1 84 VIF for units kWh with resolution 0 01kWh 85 1 FF VIFE next byte is manufacturer specific 86 1 82 VIFE L2 87 1 XX VIFE status 88 93 6 XXXXXXXXXXXX Active imported energy L2 94 1 4E DIF size 12 digit BCD storage number bit 0 95 1 84 VIF for units kWh with resolution 0 01kWh 96 1 FF VIFE next byte is manufacturer specific 97 1 83 VIFE L3 98 1 XX VIFE status 2CMC484001M0201 199 A43 A44 Revision A User Manual Communication with M Bus Byte No Size Value Description 99 104 6 XXXXXXXXXXXX Active
173. ive power total 0 9999 W kW MW Apparent power total 0 9999 W kW MW Power factor total 0 000 0 999 Table 4 4 3 phase meter Interval Unit Inactive Active power total 0 9999 W kW MW Reactive Power Total 0 9999 W kW MW Apparent Power Total 0 9999 W kW MW Power factor total 0 000 0 999 Current L1 0 01 99 99 A kA Current L2 0 01 99 99 A kA Current L3 0 01 99 99 A kA Current N 0 01 99 99 A kA Voltage L1 0 1 999 9 V kV 38 2CMC484001M0201 Revision A 3 phase meter Interval Unit Voltage L2 0 1 999 9 V kV Voltage L3 0 1 999 9 V kV Voltage L1 L2 0 1 999 9 V kV Voltage L2 L3 0 1 999 9 V kV Voltage L1 L3 0 1 999 9 V kV Harmonic voltage L1 0 1 999 9 V kV Harmonic voltage L2 0 1 999 9 V kV Harmonic voltage L3 0 1 999 9 V kV Harmonic voltage L1 L2 0 1 999 9 V kV Harmonic voltage L2 L3 0 1 999 9 V kV Harmonic voltage L1 L3 0 1 999 9 V kV Active power L1 0 9999 W kW MW Active power L2 0 9999 W kW MW Active power L3 0 9999 W kW MW Reactive power L1 0 9999 W kW MW Reactive power L2 0 9999 W kW MW Reactive power L3 0 9999 W kW MW Apparent power L1 0 9999 W kW MW Apparent power L2 0 9999 W kW MW Apparent power L3 0 9999 W kW MW Power factor L1 0 000 0 999 P
174. ize Hex Previous values Header 8000 16 Previous values Data block 1 8010 83 Previous values Data block 2 8070 83 Previous values Data block 3 80D0 83 Previous values Data block 4 8130 83 Previous values Data block 5 8190 83 Previous values Data block 6 81F0 83 Previous values Data block 7 8250 83 Header The following table describes the header Function Start Size Description Read Reg write Hex Get next entry 8000 1 Write value 1 to this register to load the R W next block of values and timestamp Entry number 8001 1 Write to this register to choose an entry R W number to start reading from Date Time 8004 3 Write to this register to choose a date time R W to start reading from Direction 8007 1 Write to this register to choose the R W direction of reading Data blocks The Data blocks contain the history of previous values Data block 1 to 7 have the same structure Each block can contain up to 8 channels Consequently in a meter with 50 previous values channels there are 8 channels in each of block 1 to block 6 and 2 channels in block 7 The registers of unused channels are filled with OxFFFF 2CMC484001M0201 119 A43 A44 Revision A User Manual Communication with Modbus Structure of the The following table describes the structure of the data blocks
175. l Communication with M Bus Byte No Size Value Description 71 1 XX VIFE status 72 73 2 XXXX Phase angle power L1 74 1 02 DIF size 16 bit integer 75 1 FF VIF next byte is manufacturer specific 76 1 D2 VIFE phase angle power with resolution 0 1 77 1 FF VIFE next byte is manufacturer specific 78 1 82 VIFE L2 79 1 XX VIFE status 80 81 2 XXXX Phase angle power L2 82 1 02 DIF size 16 bit integer 83 1 FF VIF next byte is manufacturer specific 84 1 D2 VIFE phase angle power with resolution 0 1 85 1 FF VIFE next byte is manufacturer specific 86 1 83 VIFE L3 87 1 XX VIFE status 88 89 2 XXXX Phase angle power L3 90 1 02 DIF size 16 bit integer 91 1 FF VIF next byte is manufacturer specific 92 1 C2 VIFE phase angle voltage with resolution 0 1 93 1 FF VIFE next byte is manufacturer specific 94 1 81 VIFE L1 95 1 XX VIFE status 96 97 2 XXXX Phase angle voltage L1 98 1 02 DIF size 16 bit integer 99 1 FF VIF next byte is manufacturer specific 100 1 C2 VIFE phase angle voltage with resolution 0 1 101 1 FF VIFE next byte is manufacturer specific 102 1 82 VIFE L2 103 1 XX VIFE status 104 105 2 XXXX Phase angle voltage L2 106 1 02 DIF size 16 bit integer 107 1 FF VIF next byte is manufacturer specific 108 1 C2 VIFE phase angle voltage with resolution 0 1 109 1 FF VIFE next byte is ma
176. ld codes 10 1 2 1 Standard VIF codes VIF code Description Range coding Range E000 Onnn Energy 10 73 Wh 0 001Wh to 10000Wh E010 1nnn Power 10003 W 0 001W to 10000W E010 00nn Duration nn 00 seconds nn 01 minutes nn 10 hours nn 11 days E110 110n Time point n 0 date Data type G n 1 time amp date Data type F or 6 byte BCD coding E111 1000 Fabrication No 00000000 to 99999999 E111 1010 Bus address 0 250 1111 1011 Extension of VIF Not used by the meter codes 1111 1101 Extension of VIF True VIF is given in codes the first VIFE and is coded using Table FD 1111 1111 Manufacturer Next VIFE is manufac specific turer specific 10 1 2 2 Standard codes for VIFE used with extension indicator FDh If the VIF contains the extension indicator FDh the true VIF is contained in the first VIFE VIFE code Description E000 1010 Manufacturer E000 1100 Version E000 1110 Firmware Version E001 1010 Digital Output binary E001 1011 Digital Input binary E001 1100 Baud rate E010 01nn Interval length 00 seconds 01 minutes 10 hours 11 days A43 A44 164 2CMC484001M0201 User Manual Revision A Communication with M Bus VIFE code Description E100 nnnn 10 Volts E101 nnnn 100 12 A E110 0001 Cumulating counter E001 0110 Password 10 1 2 3 Standard codes for VIFE The following values for VIFE s are defined
177. length of the short period in case of sliding demand The sub interval is expressed in minutes Period configuration register The Period configuration register is used to read or write the period with which demand values are stored The table below describes the contents of the Period configuration register Byte nr Description Possible values 0 High byte Demand period 0 Daily 1 Weekly 2 Monthly 1 Low byte Day of week in case of weekly storage 1 7 1 Monday 9 9 3 Load profile General Load profile configuration defines the quantity to store for each channel It is also defines the interval by which values are stored and the maximum number of snapshots All settings are individual for every channel Mapping table The following table shows the registers used for load profile configuration Quantity Details Start Reg Hex Size Load profile Channel number 8C20 1 Load profile Quantity 8C21 3 Load profile Interval 8C24 2 Load profile Max number of snapshots 8C26 2 Write channel Follow the steps in the table below to configure all load profile channels configuration Step Action 1 Choose the channel to configure by writing a number to the Channel number register Allowed values are 1 8 A43 A44 138 2CMC484001M0201 User Manual Revision A Communication with Modbus
178. ll that can be set is 0 999999 imp kWh or 0 999999 imp M Wh Set the frequency and quantity 5 Press 7 once to get to the next menu The display will show the pulse length in milliseconds The intervall for the pulse length is from 10 to 990ms Set the pulse length 6 Press 7 once to get to the next menu The display will show the setting for pulse output 1 Depending on the meter type the available choices are 7 4 configurable I Os 4 static I Os 1 static 1 0 No output No output No output Out 1 Out 1 Out 1 Out 2 Out 2 Out 3 Out 4 Note If choosing an I O that is not pulse outout configured the option is set to no ouput when pressing the button The first pulse output is now fully configured Depending on the meter type up to four pulse outputs can be set If your meter supports multiple pulse outputs use 7 to toggle down to the remaining pulse outputs and set them the same way as pulse output 1 41 6 Setting I O To set the I O perform the following steps 1 Choose the Settings icon in the main menu press 2 Choose I O press 09 3 The display will now show I O 1 To change I O use or 7 To set an I O press the button Depending on the meter type different choices can be made for the I O see table 4 2 Table 4 2 1 0 Available choices 4 configurable Input Os
179. llow in next telegram 2CMC484001M0201 175 A43 A44 Revision A User Manual Communication with M Bus Byte No Size Value Description 255 1 XX CS checksum calculated from C field to last data 256 1 16 Stop character 10 2 2 Example of 2nd telegram all values are hexadecimal Byte No Size Value Description 1 1 68 Start character 2 1 FC L field calculated from C field to last user data 3 1 FC L field repeated 4 1 68 Start character 5 1 08 C field RSP_UD 6 1 XX A field address 7 1 72 Cl field variable data respond LSB first 8 11 4 XXXXXXXX Identification Number 8 BCD digits 12 13 2 4204 Manufacturer ABB 14 1 02 Version 15 1 02 Medium 02 Electricity 16 1 XX Number of accesses 17 1 XX Status 18 19 2 0000 Signature 0000 no encryption 20 1 04 DIF size 32 bit integer 21 1 FF VIF next byte is manufacturer specific 22 1 98 VIFE Power fail counter 23 1 XX VIFE status 24 27 4 XXXXXXXX Power fail counter 28 1 04 DIF size 32 bit integer 29 1 A9 VIF for units W with resolution 0 01W 30 1 XX VIFE status 31 34 4 XXXXXXXX Active power Total 35 1 04 DIF size 32 bit integer 36 1 A9 VIF for units W with resolution 0 01W 37 1 FF VIFE next byte is manufacturer specific 38 1 81 VIFE L1 39 1 XX VIFE status 40 43 4 XXXXXXXX Active power L1 44 1 04 DIF size 32 bit i
180. lse output data A43 A44 User Manual 58 2CMC484001M0201 Revision A Technical Description Formula Example 1 Example 2 The formula to use for this calculation is Max pulse frequency 1000 3600 U I n Ppause Plength where U and I is the estimated maximum element voltage in volts and current in amperes n the number of elements 1 3 Plength and Ppause are the pulse length and the required pulse pause in seconds A reasonable minimum pulse length and pulse pause is 30 ms which conforms to the SO and IEC standard Note U and have to be the primary values in a transformer connected meter if the CT and VT for the external transformers are programmed into the meter In a direct connected 3 element meter with estimated maximum voltage and cur rent of 250 V and 65 A and pulse length 100 ms and required pulse pause 30 ms the maximum allowed pulse frequency will be 1000 3600 250 65 3 0 030 0 100 568 impulses kWh kvarh In a transformer connected 3 element meter with estimated maximum voltage and current of 63 100 V 6300 V VT ratio 100 and 6 50 A 300 A CT ratio 50 and pulse width 100 ms and required pulse pause 30 ms the maximum allowed pulse frequency will be 1000 3600 6300 300 3 0 030 0 100 6 16 impulses kWh kvarh 2CMC484001M0201 Revision A 59 A43 A44 User Manual Technical Description 5 6 Internal Clock General Ti
181. ly Selected state means that the meter can be addressed with the bus address 253 FDh During selection individual positions of the secondary addresses can be occupied by wildcards Such a wildcard means that this position will not be taken into ac count during selection In the identification number each individual digit can be wild carded by a wildcard nibble Fh while the fields for manufacturer version and medium can be wild carded by a wildcard byte FFh The meter will remain A43 A44 User Manual 170 2CMC484001M0201 Revision A Communication with M Bus selected until it receives a selection command with non matching secondary ad dresses a selection command with CI 56h or a SND_NKE to address 253 2CMC484001M0201 171 A43 A44 Revision A User Manual Communication with M Bus 10 2 Standard Readout of Meter Data General This section describes the readout of the default telegrams containing energy and instrumentation values etc The data readout procedure starts when the master sends a REQ _UD2 telegram to the meter The meter responds with a RSP_ UD telegram A typical readout is a multi telegram readout The last DIF in the user data part of the telegram is 1F to indicate that there is more data in the next tele gram or OF if there are no more telegrams For EQ meters there are up to 7 default telegrams to read In meters with internal clock more telegrams may follow containing previous values
182. m the Quantity registers to get the OBIS code for the first quantity 3 Repeat step 2 for each quantity until all OBIS codes have been read This means step 2 shall be performed the same number of times as the value read from the Number of quantities register A43 A44 136 2CMC484001M0201 User Manual Revision A Communication with Modbus Level configuration registers Write level configuration Read level configuration Note Step 1 initiates the readout procedure and can NOT be left out even if the number of quantities used is already known Note The Quantity number register can optionally be read together with the Quantity registers in step 2 The Quantity number register holds the current quantity number starting from 1 after reading the Number of quantities register It is incremented every time the Quantity registers are read The following table describes the group of registers for configuring the number of levels for all quantities stored in demand Function Start Size Description Read Reg write Hex Level quantity 8C35 3 OBIS code for the quantity R W Number of levels 8C38 1 Number of levels to store for the quantity R W Follow the steps in the table below to configure the number of levels for each of the quantities stored in demand Step Action 1 Write the OBIS code for the first quantity to the Level quantity registers 2 Write the
183. mation The data together with information regarding coding length and the type of data is transmitted in data records The maximum total length of the data records is 240 bytes The following table shows the structure of the data record transmitted left to right Data Record Header Data Data Information Block DIB Value Information Block VIB DIF DIFE VIF VIFE 1 byte 0 10 bytes 1 byte 0 10 bytes 0 n bytes Each Data record consists of a data record header DRH and the actual data The DRH in turn consists of the data information block DIB to describe the length type and coding of the data and the value information block VIB to give the value of the unit and the multiplier The DIB contains at least one byte Data Information Field DIF and is in some block DIB cases expanded with a maximum of 10 DIFE s Data Information Field Exten sion The following table shows the structure of the Data Information Field DIF Bit 7 Bit 6 Bit5 Bit4 Bit3 Bit2 Bit 1 Bito Extension bit LSB of storage No Function Field Data Field 1 Least significant bit The following list explains the content of the DIF The Extension Bit is set when the next byte is a DIFE The LSB of storage No is normally set to 0 to indicate actual value 1 stored value e The Function Field is set to 00 for instantaneou
184. mber 0 for active power tariff 1 VIF 29 gt data in W with 2 decimals Data 2A5760hex 27748 80 W 8E 00 ED 6B 00 15 00 01 07 06 Date time stamp for maximum given above 1 st of july 2006 00 15 00 hour minute second 94 20 29 00 00 00 00 Current maximum demand storage number 0 for active power tariff 2 VIF 29 gt data in W with 2 decimals Data 0 8E 00 ED 6B 00 00 00 00 00 00 Date time stamp for maximum given above is 00 00 00 00 00 00 gt no maximum have been generated for this quantity 94 30 29 00 00 00 00 8E 00 ED 6B 00 00 00 00 00 00 94 80 10 29 00 00 00 00 8E 00 ED 6B 00 00 00 00 00 00 94 90 40 29 60 5E OA 00 8E 00 ED 6B 00 15 00 01 07 06 94 AO 40 29 00 00 00 00 8E 00 ED 6B 00 00 00 00 00 00 94 BO 40 29 00 00 00 00 8E 00 ED 6B 00 00 00 00 00 00 94 80 50 29 00 00 00 00 8E 00 ED 6B 00 00 00 00 00 00 94 40 FD 61 00 00 00 00 8E 00 ED 6B 00 00 00 00 00 00 94 80 40 FD 61 00 00 00 00 8E 00 ED 6B 00 00 00 00 00 00 8E 00 ED EB FF 70 00 00 00 00 00 00 Date time stamp for end of measure ment period will always be 00 00 00 00 00 00 for the currently pending period 1F Did 1F gt More data exists 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Pad bytes 14 16 Checksum and stop byte System sends out request UD2 A43 A44 214 2CMC484001M0201 Use
185. me and date Time dependant functions Backup of clock Meter with a built in clock automatically keeps track of leap year and daylight savings time DST The use of DST is optional Time is controlled by a quartz crystal real time clock Time and date can be set via communication or with the buttons directly on the meter Load profile e Maximum demand e Minimum demand e Previous values e Event log e Outputs controlled by time Tariff control In case of power failure a super capacitor backs up the clock for 48 hours A43 A44 User Manual 60 2CMC484001M0201 Revision A Technical Description 5 7 Logs General The meter contains a total of five different logs e System Log e Event Log e Net Quality Log e Audit log e Settings Log Log events can be read via communication or directly in the display of the meter A maximum of 500 log events can be stored in the System Log the Event Log and the Net Quality Log When the maximum number of events for a log is reached the oldest events will be overwritten A maximum of 40 log events can be stored in the Audit Log When the maximum number of events for this log is reached no more events can be stored A new firmware upgrade attempt will be unsuccessful because no more log events can be stored A maximum of 80 log events can be stored in the Settings Log When the maxi mum number of events for this log is reached no more events can be
186. me cases expanded with up to 10 value information field extensions VIFE The following table shows the structure of the value informatiuon field VIF Bit 7 6 5 4 3 2 1 0 Extension Bit Value Information Value information contains information about the value unit status etc The extension bit is set when the next byte is a VIFE If VIF or VIFE FFh the next VIFE is manufacturer specific The manufacturer specific VIFE has the same construction as a VIF If the extension bit of the man ufacturer specific VIFE is set and the VIFE is less than 1111 1000 the next byte is a standard VIFE otherwise it is the first data byte If the extension bit of the manufacturer specific VIFE is set and the VIFE is bigger than or equal to 1111 1000 the next byte is an extension of manufacturer specific VIFE s The Data follows a VIF or a VIFE without the extension bit set The manufacturer data header MDH is either made up by the character 1 Fh that indicates that more data will follow in the next telegram or by OFh indicating the last telegram 2CMC484001M0201 Revision A 163 A43 A44 User Manual Communication with M Bus Check sum The Check Sum is used to recognize transmission and synchronization faults It is calculated from the arithmetical sum of the bytes from the control field to the last user data without taking carry digits into account 10 1 2 Value Information Fie
187. mmunication with Modbus 9 8 Load profile Note Before you can use the information in this chapter you must be familiar with and understand the information and the concepts described in Historical Data on page 111 Mapping table The following table shows an overview of the mapping table Quantity Details Start Reg Hex Size Load profile Header 8700 16 Load profile Channel information 8710 7 Load profile Data block 8720 120 Structure of the The following table describes the header header Function Start Size Description Read write Reg Hex Get next block 8700 1 Write value 1 to this register to load R W the next block of load profile entries Channel number 8703 1 Write to this register to choose a R W load profile channel Possible values are 1 8 Date Time 8704 3 Write to this register to choose a R W date time to start reading from Direction 8707 1 Write to this register to choose the R W direction of reading Structure of the The following table describes the channel information registers Cane Function Start Size Description Read write information Reg Hex Quantity 8710 3 OBIS code for the quantity stored in R W this channel Scaler 8713 1 Scaling of the values stored in this R W channel Interval 8714 2 Interval with which values are stored R W in this channel Expressed in minutes
188. munication with Modbus Write week profile configuration Read week profile configuration Follow the steps in the table below to configure the week profiles Step Action 1 Write the number of week profiles to use to the Number of week profiles register This is a value between 1 and 4 2 Write the desired week profile configuration of the first week profile to the Week profile registers 3 Repeat step 2 for all week profiles that shall be used i e the same number of times as the value written in step 1 Follow the steps in the table below to read the current week profile configuration Step Action 1 Read the Number of week profiles register to find out how many week profiles are used 2 Read from the Week profile registers to get the week profile name and day ID s for the first week profile 3 Repeat step 2 for each week profile until all week profile configurations have been read This means step 2 shall be performed the same number of times as the value read in step 1 Note Step 1 initiates the readout procedure and can NOT be left out even if the number of week profiles used is already known Note The Week profile number register can optionally be read together with the Week profile registers in step 2 The Week profile number register holds the current week profile number starting from 1 after reading the Number of week profiles regis ter It is incremen
189. n factor kg 10 kWh E010 0101 Currency conversion factor curr 10 kWh E010 0110 Error flags E010 0111 Warning flags E010 1000 Information flags E010 1001 Alarm flags E100 Onnn Phase angle voltage degrees 10 E100 1nnn Phase angle current degrees 10 0 3 E101 Onnn Phase angle power degrees 10 0 3 E101 1nnn Frequency Hz 10 03 E110 Onnn Power factor 10 3 E110 1010 Change communication write access level E110 1100 Power outage time E110 1101 Current harmonics E110 1110 Voltage harmonics E110 1111 Event type E111 0000 Measurement period E111 0001 Reset counter for energy E111 0010 Resettable register E111 0110 Sequence number audit log E111 1000 Extension of manufacturer specific VIFE s next VIFE s used for numbering E111 1001 Extension of manufacturer specific VIFE s next VIFE s specifies actual meaning E111 1110 Extension of manufacturer specific VIFE s next VIFE s used for manufacturer specific record errors status 10 1 2 5 VIFE Codes for reports of record errors meter to master VIFE code Type of record error Error group E000 0000 None A43 A44 166 2CMC484001M0201 User Manual Revision A Communication with M Bus VIFE code Type of record error Error group E001 0101 No data available undefined value E001 1000 Da
190. n the meter powers up again previous values will enter a waiting state until time date is set Previous values has 50 channels which can be configured individually via com munication Each channel can store up to 200 periods The period length can be a day a week or a month and can be configured via communication or via the buttons on the meter The period date and time is stored as end of period For instance if a period starts 2010 01 01 00 00 00 and ends 2010 01 02 00 00 00 then the stored period will be 2010 01 02 00 00 00 Stored periods can be read via communication or directly on the display If there is no free memory space available the oldest period will be erased to make room for the most recent one It is possible to erase all stored periods by sending a Reset Previous Values command via communication Selectable Depending on the meter type all or a subset of the following quantities can be quantities slected ACTIV ENERGY IMPORT TOTAL ACTIVE ENERGY IMPORT TARIFF3 ACTIVE ENERGY EXPORT TOTAL ACTIVE ENERGY IMPORT TARIFF4 ACTIVE ENERGY IMPORT L1 REACTIVE ENERGY IMPORT TARIFF 1 ACTIVE ENERGY IMPORT L2 REACTIVE ENERGY IMPORT TARIFF2 ACTIVE ENERGY IMPORT L3 REACTIVE ENERGY IMPORT TARIFF3 ACTIVE ENERGY EXPORT L1 REACTIVE ENERGY IMPORT TARIFF4 ACTIVE ENERGY EXPORT L2 REACTIVE ENERGY EXPORT TARIFF1 ACTIVE ENERGY EXPORT L3 REACTIVE ENERGY EXPORT TARIFF2 REACTIVE ENERGY IMPOR
191. ned Reactive net L2 54A0 4 0 01 kvarh_ Unsigned Reactive net L3 54A4 4 0 01 kvarh_ Unsigned Apparent import L1 54A8 4 0 01 kVAh_ Unsigned Apparent import L2 54AC 4 0 01 kVAh_ Unsigned Apparent import L3 54B0 4 0 01 kVAh_ Unsigned Apparent export L1 54B4 4 0 01 kVAh_ Unsigned Apparent export L2 54B8 4 0 01 kVAh_ Unsigned Apparent export L3 54BC 4 0 01 kVAh_ Unsigned Apparent net L1 54C0 4 0 01 kVAh_ Unsigned Apparent net L2 54C4 4 0 01 kVAh_ Unsigned Apparent net L3 54C8 4 0 01 kVAh_ Unsigned Resettable energy accumulators All registers in the following table are read only Quantity Start reg Size Res Unit Data type Hex Resettable active 552C 4 0 01 kWh Unsigned import Resettable active 5530 4 0 01 kWh Unsigned export Resettable 5534 4 0 01 kWh Unsigned reactive import Resettable 5538 4 0 01 kWh Unsigned reactive export A43 A44 102 2CMC484001M0201 User Manual Revision A Communication with Modbus Instantaneous values All registers in the following table are read only Quantity Details Start Size Res Unit Value range Data reg type Hex Voltage L1 N 5B00 2 0 1 V Unsigned Voltage L2 N 5B02 2 0 1 V Unsigned Voltage L3 N 5B04 2 0 1 V Unsigned Voltage L1 L2 5B06
192. nel until all OBIS codes have been read This means step 2 shall be performed the same number of times as the value read from the Number of channels register Note Step 1 initiates the readout procedure and can NOT be left out even if the number of channels used is already known Note The Channel number register can optionally be read together with the Quantity registers in step 2 The Channel number register holds the current channel number starting from 1 after reading the Number of channels register It is incremented every time the Quantity registers are read Period The Period configuration register is used to read or write the period with which configuration previous values are stored The table below describes the contents of the Period register configuration register Byte nr Description Possible values 0 High byte Previous values period 0 Daily 1 Weekly 2 Monthly 1 Low byte Day of week in case of weekly storage 1 7 1 Monday 9 9 2 Demand General Demand configuration defines the set of quantities to store at the end of a period and the number of levels for these quantities It is also defines the period with which values are stored and the intervals for calculation of minimum and maximum values 2CMC484001M0201 135 A43 A44 Revision A User Manual Communication with Modbus
193. nfiguration 8C55 1 The following table describes the group of registers for configuring quantities to store in previous values Function Start Size Description Read Reg write Hex Number of 8C50 1 The number of channels used up toa R W channels maximum of 50 Channel number 8C51 1 Current channel number during read or R write of configuration Quantity 8C52 3 OBIS code for the quantity in this R W channel Follow the steps in the table below to configure the set of quantities to store in previous values Step Action 1 Write the number of channels that shall be configured to the Number of channels register This is a value between 1 and 50 A43 A44 User Manual 134 2CMC484001M0201 Revision A Communication with Modbus Step Action 2 Write the OBIS code for the quantity to store in the first channel to the Quantity registers 3 Repeat step 2 for all channels that shall be used i e the same number of times as the value written in step 1 Read quantity Follow the steps in the table below to read the current configuration of quantities configuration to store in previous values Step Action 1 Read the Number of channels register to find out how many channels are used 2 Read from the Quantity registers to get the OBIS code for the quantity configured in the first channel 3 Repeat step 2 for each chan
194. ng c eccccceceeeeeeeeeeeceeeaaecaeeeeeeeeeeeeeeeessnsisaeeess 86 8 Service amp Maintenance scssssseseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeesseessecceeeeeees 91 9 Communication With Modbus cece eee ee eeeeeeeeeeeneeeeeeeeeeneeeeeeneeeees 93 9 1 1 Function Code 3 Read holding registers ceeceeeeeeeeeeeeeeeteeeeeeeeeneeeeeee 94 9 1 2 Function Code 16 Write multiple registers 0 0 eeeeeeeeeeeenteeeeeeettneeeeeeeeee 96 2CMC48001M0201 5 A43 A44 Revision A User Manual Table of Content 9 1 3 Function Code 6 Write single register c ce eeeeeeeeee teense eee teteeeeeetnaeeeeeteed 97 9 1 3 1 Exception RESPONSES cccccccecceeeeeeeeeeeeeceeaecaeceeeeeeeeeeeeseseensuneeeaeeneees 98 9 4 1 Quantity identifiers 2 2 aaa air e a iera AAE 114 9 5 1 Reading Previous Values o oo ceecececeeeeeeeeeeeeeeeeeeeeeeeeeeeeeteneaeeeeeseeeaaeeeeeeeaaaees 121 9 6 1 Reading Demand as rcirairis aaa AAT R AAS ia R TE ARERI ERER 125 9 7 1 Reading Event logs cicc cise n a i a a 129 9 8 1 Reading Load profile t csccicpecceeedieep deans eebisiaiseateedecii ee aaa naeieees aden 133 9 9 1 Previous values mcdia ete einen 1h dene aaa a ead deel 134 9 9 2 Demand sran deze th ed nate a aa anaa DAAE deed Doran tae AEAEE 135 9 9 3 Eoad profilera aa ae ea Al ieee a a ees 138 99 4 Alarm S eta ea sia Sanat ai anara ataa a a aaa ie a eaaa a eas 139 9 9 5 Inputs and OUtDUtS iiien aranan aiani aaa e E
195. nger than the specified time delay the alarm is activated In the same way the alarm is deactivated when the value passes the deactivation level and remains there for a time equal or longer than the specified time delay If the activation level is higher than the deactivation level the alarm is activated when the value of the monitored quantity is higher than the activation level If the activation level is lower than the deactivation level the alarm is activated when the vale of the monitored quantity is lower than the activation level A43 A44 56 2CMC484001M0201 User Manual Revision A Technical Description 5 5 Inputs and Outputs General Functionality of inputs Functionality of outputs Inputs outputs are built with autocouplers and are galvanically isolated from other meter electronics They are polarity independent and handle both DC and AC voltage An input that is not connected equals having its voltage off The equivalent circuitry of the outputs is an ideal relay in series with a resistor The inputs count pulses register activity and current status and the data can be read directly on the meter display or via communication Register activity can be reset via communication or via the buttons directly on the meter The outputs can be controlled by communication alarm or by the internal clock 5 5 1 Tariff Inputs Tariff control Indication of active tariff On meters with tariff functionali
196. nits A with resolution 0 01A 243 1 FF VIFE next byte is manufacturer specific 244 1 84 VIFE N 245 1 XX VIFE status 246 249 4 XXXXXXXX Current N 250 1 0A DIF size 4 digit BCD 251 1 FF VIF next byte is manufacturer specific 252 1 E9 VIFE Frequency with resolution 0 01Hz 253 1 XX VIFE status 254 255 2 XXXX Frequency 256 1 1F DIF more records will follow in next telegram 257 1 XX CS checksum calculated from C field to last data 258 1 16 Stop character 10 2 3 Example of 3rd telegram all values are hexadecimal Byte No Size Value Description 1 1 68 Start character 2 1 F4 L field calculated from C field to last user data 3 1 F4 L field repeated 4 1 68 Start character 5 1 08 C field RSP_UD 6 1 XX A field address 7 1 72 Cl field variable data respond LSB first 8 11 4 XXXXXXXX Identification Number 8 BCD digits 12 13 2 4204 Manufacturer ABB 14 1 02 Version 15 1 02 Medium 02 Electricity 16 1 XX Number of accesses 17 1 XX Status 18 19 2 0000 Signature 0000 no encryption 180 2CMC484001M0201 Revision A Communication with M Bus Byte No Size Value Description 20 1 OE DIF size 12 digit BCD 21 1 FF VIF next byte is manufacturer specific 22 1 EC VIFE Power outage time 23 1 XX VI
197. nnel 1 Data type 8317 1 Data type for quantity monitored in channel 1 Channel 1 Scaler 8318 1 Scaler for quantity monitored in channel 1 Channel 1 Capture time 8319 3 Date and time when the minimum or maximum occurred for the quantity monitored in channel 1 Channel 1 Status 831C 1 Status for quantity monitored in channel 1 Channel 1 Value 831D 4 Value for quantity monitored in channel 1 Channel 8 Quantity 836C 3 OBIS code for the quantity monitored in channel 8 Channel 8 Level 836F 1 Demand level for channel 8 Channel 8 Data type 8370 1 Data type for quantity monitored in channel 8 Channel 8 Scaler 837A 1 Scaler for quantity monitored in channel 8 Channel 8 Capture time 837B 3 Date and time when the minimum or maximum occur ed for the quantity monitored in channel 8 Channel 8 Status 837E 1 Status for quantity monitored in channel 8 Channel 8 Value 837F 4 Value for quantity monitored in channel 8 Level register The Level register shows which demand level is configured for this channel Possible values are shown in the table below Value Description 1 Highest Lowest value during the demand period 2 Second highest lowest value during the demand period A43 A44 User Manual 124 2CMC484001M0201 Revision A Communication with Modbus Value Description 3 Third highest lowe
198. normally contains rectifier diodes which rectifies the incoming voltage and charges a capacitor The power supply only draws current at the top of the sine wave when the rectified voltage exceeds the voltage over the capacitor Another example of a non linear load is a thyristor controlled load where the current normally is turned on at the voltage zero cross ing and turned off sometimes during the sine wave These currents are all non sinusoidal and can be divided into a fundamental part which is the same as the mains frequency and high frequency parts that is har monics which have frequency that are integral multiples of the mains frequency Harmonics in the current will in turn cause harmonics in the voltage since the mains wires and the generator have an impedance causing a voltage drop that is proportional to the current It should also be pointed out that if there is harmonics in the voltage also a linear load will cause harmonics in the current that have the same magnitude as the voltage harmonics However the origin of harmonics in the voltage are non linear loads A43 A44 User Manual 52 2CMC484001M0201 Revision A Technical Description Negative effects of harmonics The presence of harmonics in voltages and currents can cause a number of prob lems e Increased cable losses At higher frequencies skin and proximity effects increases resulting in increased losses High current in the neutral wire Mo
199. nt Read the entire history Read forward or backwards froma specified date time Follow the steps in the table below to read the most recent demand entry Step Action 1 Write the value 1 to the entry number register 2 Read the data blocks of interest Follow the steps in the table below to read the entire history of previous values Step Action 1 Write the value 0 to the Entry number register to make sure the reading starts from the most recent entry Write the value 1 to the Get next entry register Read the data blocks of interest Repeat steps 3 and 4 until there are no more entries stored When all entries have been read all registers in the data blocks are set to OxXFFFF Note The entry number register is reset to 0 after a restart Follow the steps in the table below to read forward or backwards in time from a specified date time Step Action 1 Write a date and time to the Date Time registers 2 Write to the Direction register Writing value 0 means backwards and value 1 means forward 3 Read the data blocks of interest 4 Write the value 1 to the Get next entry register Repeat steps 3 and 4 until there are no more entries stored When all entries have been read all registers in the data blocks are set to OxFFFF Note The Date time registers are reset to OxFFFF after a restart A43 A44 User Manu
200. nteger 45 1 AQ VIF for units W with resolution 0 01W 46 1 FF VIFE next byte is manufacturer specific 47 1 82 VIFE L2 48 1 XX VIFE status 49 52 4 XXXXXXXX Active power L2 53 1 04 DIF size 32 bit integer A43 A44 User Manual 176 2CMC484001M0201 Revision A Communication with M Bus Byte No Size Value Description 54 1 A9 VIF for units W with resolution 0 01W 55 1 FF VIFE next byte is manufacturer specific 56 1 83 VIFE L3 57 1 XX VIFE status 58 61 4 XXXXXXXX Active power L3 62 1 84 DIF size 32 bit integer 63 1 80 DIFE Unit 0 64 1 40 DIFE Unit 1 gt xx10 2 65 1 AQ VIF for units var with resolution 0 01 var 66 1 XX VIFE status 67 70 4 XXXXXXXX Reactive power Total 71 1 84 DIF size 32 bit integer 72 1 80 DIFE Unit 0 73 1 40 DIFE Unit 1 gt xx10 2 74 1 A9 VIF for units var with resolution 0 01var 75 1 FF VIFE next byte is manufacturer specific 76 1 81 VIFE L1 77 1 XX VIFE status 78 81 4 XXXXXXXX Reactive power L1 82 1 84 DIF size 32 bit integer 83 1 80 DIFE Unit 0 84 1 40 DIFE Unit 1 gt xx10 2 85 1 AQ VIF for units var with resolution 0 01 var 86 1 FF VIFE next byte is manufacturer specific 87 1 82 VIFE L2 88 1 XX VIFE status 89 92 4 XXXXXXXX Reactive power L2 93 1 84 DIF size 32 bit integer 94 1 80 DIFE Unit 0
201. nter 6320 4 Unsigned R Input 4 Counter 6324 4 Unsigned R All registers in the following table are read only Quantity Start Reg Hex Size Data type Serial number 8900 2 Unsigned Meter firmware version 8908 8 ASCII string up to 16 characters Modbus mapping version 8910 1 2 bytes Type designation 8960 6 ASCII string 12 characters including null termination Meter firmware version is expressed as a string of 3 digits separated by periods e g 1 0 0 Unused bytes at the end are set to binary 0 In the Modbus mapping version register the high byte corresponds to the Major version 1 255 and the low byte corresponds to the Minor version 0 255 2CMC484001M0201 Revision A 105 A43 A44 User Manual Communication with Modbus Miscellaneous In the following table Date time and current tariff are writable All other registers are read only Quantity Start Description Size Data type Read Reg Write Hex Date time 8A00 Byte 0 year 3 Date Time R W Byte 1 month Byte 2 day Byte 3 hour Byte 4 minute Byte 5 second Day of week 8A03 Weekdays 1 7 1 Unsigned R Mo 1 DST active 8A04 1 DST active 1 Unsigned R 0 DST inactive Day type 8A05 Value 0 3 1 Unsigned R correspond to day type 1 4 Season 8A06 Value 0 3 1 Unsigned R correspond to season 1 4 Current tariff 8A07 Tariff 1 4 1 Unsigned R W Error
202. nufacturer specific 110 1 83 VIFE L3 111 1 XX VIFE status 112 113 2 XXXX Phase angle voltage L3 114 1 02 DIF size 16 bit integer 115 1 FF VIF next byte is manufacturer specific 116 1 CA VIFE phase angle current with resolution 0 1 117 1 FA VIFE next byte is manufacturer specific A43 A44 User Manual 182 2CMC484001M0201 Revision A Communication with M Bus Byte No Size Value Description 118 1 81 VIFE L1 119 1 XX VIFE status 120 121 2 XXXX Phase angle current L1 122 1 02 DIF size 16 bit integer 123 1 FF VIF next byte is manufacturer specific 124 1 CA VIFE phase angle current with resolution 0 1 125 1 FF VIFE next byte is manufacturer specific 126 1 82 VIFE L2 127 1 XX VIFE status 128 129 2 XXXX Phase angle current L2 130 1 02 DIF size 16 bit integer 131 1 FF VIF next byte is manufacturer specific 132 1 CA VIFE phase angle current with resolution 0 1 133 1 FF VIFE next byte is manufacturer specific 134 1 83 VIFE L3 135 1 XX VIFE status 136 137 2 XXXX Phase angle current L3 138 1 8E DIF size 12 digit BCD 139 1 80 DIFE 140 1 40 DIFE unit 2 141 1 84 VIF for units kvarh with resolution 0 01kvarh 142 1 XX VIFE status 143 148 6 XXXXXXXXXXXX Reactive imported energy Total 149 1 8E DIF size 12 digit BCD 150 1 90 DIFE tariff 1 15
203. number of levels to use for the quantity chosen in step 1 to the Number of levels register Allowed values are 1 3 3 Repeat step 1 and 2 for all quantities used in demand Note It is assumed that the set of quantities i e the OBIS codes to store in demand has already been configured by performing the steps under Write quantity configura tion Writing an OBIS code in step 1 above does NOT add it to the set of quantities to store Follow the steps in the table below to read the current configuration of levels for all quantities stored in demand Step Action 1 Write the OBIS code for the first quantity to the Level quantity registers 2 Read the number of levels used for the quantity chosen in step 1 from the Number of levels register 3 Repeat step 1 and 2 for all quantities used in demand Note It is assumed that the set of quantities i e the OBIS codes stored in demand is already known Otherwise the steps under Read quantity configuration must be performed first to find these 2CMC484001M0201 Revision A 137 A43 A44 User Manual Communication with Modbus Interval configuration register The Interval configuration register is used to read or write the length of the period with which average values are calculated The interval is expressed in minutes Sub interval configuration register The Sub interval configuration register is used to read or write the
204. o be sent to the recipient The following table shows the structure of the data sent from the meter to the master Fixed data header Data records MDH 12 bytes Variable number of bytes 1 byte The following table shows the structure of the data sent from the master to the meter Data records Variable number of bytes Fixed data header The following table shows the structure of the fixed data header ID No Manufacturer Version Medium Access No Status Signature 4 bytes 2 bytes 1 byte 1 byte 1 byte 1 byte 2 byte The following list explains the content of the fixed data header Identification No is the 8 digit serial number of the meter BCD coded e Manufacturer is set to 0442h meaning ABB e Version specifies the version of the protocol implementation The meters currently use the protocol version equal to 0x20 e Medium byte is set to 02h to indicate electricity e Access number is a counter that counts successful accesses e Status byte is used to indicate the meter status ey Casa Meaning Meter busy Internal error Power low Permanent error Temporary error Installation error Not used NI OD oO BR Ow mM gt o Not used Signature is set to 00 00h 2CMC484001M0201 161 A43 A44 Revision A User Manual Communication with M Bus Data records Data infor
205. o get to the next Press 7 once to get to the next menu The display will show the menu The display will show the baudrate See Table 4 6 for bau baudrate See Table 4 6 for baudrate drate options Set baudrate options Set baudrate 5 Press once to get to the next Press once to get to the next menu The display will show the menu The display will show the address See Table 4 6 for address address See Table 4 6 for address range Set address range Set address 6 Press once to get to the next Press once to get to the next menu The display will show the menu The display will show the access level See Table 4 6 for op Oct TO See Table 4 6 for options tions Set the access level Set Oct TO 7 Press once to get to the next Press 7 once to get to the next menu The display will show the menu The display will show the Send status info See Table 4 6 for Inac TO See Table 4 6 for options options Set the send info status Set Inac TO Press 7 once to get to the next Press 7 once to get to the next menu The display will show if the menu The display will show pass password is to be reset See word reset option Set if the pass Table 4 6 for options Set the op _ word shall be reset or not tion Press once to get to the next menu The display will show the upgrade mode See Table 4 6 for options Set the upgrade mode i EQ Bus is a communication protocol designed f
206. o measure the reactive energy Consumer equip ment often introduces a phase shift between current and voltage due to the fact that the load has a more or less reactive component e g motors that have an inductive component etc A reactive load will increase the current which means that the power source generator and the size of the power lines have to increase which in turn means higher cost for the utility A higher current also means that the line losses increase Because of that the maximum permissible phase shift is sometimes governed in the terms of the contract that the consumer have with the power supplier If the consumer exceeds a specified maximum reactive load he will be liable for an extra charge This type of contract will require a utility meter that measures reac tive energy and or power Also from the customer s point of view it may be of some interest to measure reactive energy power since it gives him knowledge about the nature of the load That is how big the different loads are and how they vary over time This knowl edge can be used in the planning how to decrease the reactive power energy to decrease the electricity bill Resistive inductive and capacitive loads Resistive loads don t give rise to any phase shifts Inductive loads have phase shift in one direction with the current lagging the voltage while capacitive loads pro duces a phase shift in the opposite direction with the current leading the voltage
207. o registers In this chapter The following topics are covered in this chapter 9 1 About the Modbus Protocol cc cccceccceneeeeeeeeeneeeeeeeeneeeeeeeenaeeeeeeeeaaes 94 9 2 Reading and Writing to Registers 20 00 eeeneeeeeeeeeneeeeeeeeneeeeeeeeaaes 99 9 3 Mapping Tables 22 0 2 cccccceecceeceececcaeceeeeeeeeeeeseceecccaeaeeeeseeeeeeeeeeeneeeee 100 9 4 Historical Data oii ecccecececcececiaceeesdcecceeesaceececheedeecceeeuedeeceessnedaeceeetace 111 9 5 Previous Values aren e a EE EAE buat ented 119 96 DEMand zens esis dae sees dane a deeb hina edea E vsagdtedees peas a aT 123 One Even og E asa tat teadtavsht aaecesedetaeeivtaa tnauaasseen aed A 127 9 38 Load protile sisstin envied eaae aa aa ade 131 99 COnMGQuUration denrea a E E AE ESAERA 134 2CMC484001M0201 93 A43 A44 Revision A User Manual Communication with Modbus 9 1 About the Modbus Protocol General Supported function codes Modbus request frame Message types Modbus is a master slave communication protocol that can support up to 247 slaves organized as a multidrop bus The communication is half duplex Services on Modbus are specified by function codes The function codes are used to read or write 16 bit registers All metering data such as active energy voltage or firmware version is represented by one or more such registers For further information about the relation between register number and metering data refer to Mappin
208. oad Pro on display Demand Resettable registers Rst Rg on dis play When setting a value the b button is used to activate the set option The 7 and a buttons are used to change the options that can be set such as on or off If the set option involves setting a number for example a alarm limit the 4 button is used to increase a digit and the 7 button is used to decrease a digit The button is used to toggle between digits The option digit that is active for setting is marked with a underscore When the underscore on the last option has dissa peared the setting has been performed 4 1 1 Setting Date To set the date perform the following steps 1 Choose the Settings icon in the main menu press 09 2 Choose Clock press 0 3 The display will now show the date 4 Set the date A43 A44 User Manual 34 2CMC484001M0201 Revision A 4 1 2 Setting Time To set the time perform the following steps 1 Choose the Settings icon in the main menu press 2 Choose Clock press 3 The display will now show the date Press 7 to get to the time menu 4 Set the time 4 1 3 Setting Ratios To set the ratios perform the following steps 1 Choose the Settings icon in the main menu press 2 Choose Ratios press 9 3 The display will show the quantity Current CT on the display and the ratio To change the ratio press See table 4 1
209. of the 8th telegram all values are hexadecimal This example telegram contains the most recent snapshot of previous values Byte No Size Value Description 1 1 68 Start character 2 1 DE L field calculated from C field to last user data 3 1 DE L field repeated 4 1 68 Start character 5 1 08 C field RSP_UD 6 1 XX A field address 7 1 72 Cl field variable data respond LSB first 8 11 4 XXXXXXXX Identification Number 8 BCD digits 12 13 2 4204 Manufacturer ABB 14 1 02 Version 15 1 02 Medium 02 Electricity 16 1 XX Number of accesses 17 1 XX Status 18 19 2 0000 Signature 0000 no encryption 20 1 CE DIF size 12 digit BCD storage number bit 0 21 1 00 DIFE storage number bit 1 4 22 1 ED VIF for time date point 198 2CMC484001M0201 Revision A Communication with M Bus Byte No Size Value Description 23 1 E8 VIFE indicating end of period 24 1 XX VIFE status 25 30 6 XXXXXXXXXXXX Time and date sec min hour day month year 31 1 4E DIF size 12 digit BCD storage number bit 0 32 1 84 VIF for units kWh with resolution 0 01kWh 33 1 XX VIFE status 34 39 6 XXXXXXXXXXXX Active imported energy Total 40 1 CE DIF size 12 digit BCD storage number bit 0 41 1 40 DIFE Unit 1 42 1 84 VIF for units kWh w
210. on A43 A44 96 2CMC484001M0201 User Manual Revision A Communication with Modbus Response frame Example of a response A response frame has the following structure Slave Address Function Code Start Address No of Registers Error Check The following is an example of a response Slave address 0x01 Function code 0x10 Register address high byte Ox8A Register address low byte 0x00 No of registers high byte 0x00 No of registers low byte 0x03 Error check CRC high byte OxAA Error check CRC low byte 0x10 In the example above the slave with the Modbus address 1 responds to a write request The first register is Ox8A00 and 0x03 registers have been successfully written to 9 1 3 Function Code 6 Write single register General Request frame Example of a Function code 6 can be used as an alternative to function code 16 if there is only one register to be written It can for example be used to reset the power fail counter A request frame has the following structure Slave Address Function Code Register Address Register Value Error Check The following is an example of a request reset power fail counter request Slave address 0x01 Function code 0x06 Register address high byte Ox8F Register address low byte 0x00 No of registers high byte 0x00 No
211. on level set Byte No Size Value Description 1 1 68 Start character 2 1 03 L field calculated from C field to last user data 3 1 03 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 Bx Cl field New baud rate where x gt 8 F 8 1 XX CS checksum calculated from C field to last data 9 1 16 Stop character A43 A44 236 2CMC484001M0201 User Manual Revision A Communication with M Bus 10 4 4 Reset power fail counter The power fail counter is reset to 0 by sending the following command all values The command is not affected by the write protection level set are hexadecimal Byte No Size Value Description 1 1 68 Start character 2 1 07 L field calculated from C field to last user data 3 1 07 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 00 DIF size no data 9 1 FF VIF next byte is manufacturer specific 10 1 98 VIFE no of power fails 11 1 07 VIFE clear 12 1 XX CS checksum calculated from C field to last data 13 1 16 Stop character 10 4 5 Set Current transformer CT ratio numerator The current transformer ratio CT numerator is set by sending the following com mand all values are hexadecimal The command is affected by the write protec tion level set
212. on process General The Data Link Layer uses two kinds of transmission services Send Confirm SND CON Request Respond REQ RSP When the meter has received a correct telegram it waits between 35 and 80 ms before it reponds A telegram is considered as correct if it passes the following tests e Start Parity Stop bits per character Start Check Sum Stop characters per telegram format Incase of along frame the number of additional characters received match the L field L Field 6 e Ifthe received data is reasonable The time between a response from the meter and a new message from the master must be at least 20 ms 2CMC484001M0201 169 A43 A44 Revision A User Manual Communication with M Bus Send confirm procedure Request respond procedure SND_NKE is used to initiate communication with the meter When the meter has received an NKE followed by a REQ UD2 see description below the 1st tele gram from the meter is sent out If the meter was selected for secondary addressing it will de deselected The value of the FCB is cleared in the meter i e the meter expects that the first telegram from a master with FCV 1 contains an FCB 1 The meter can either confirm a correct reception with the single character ac knowledge E5h or it can omit confirmation because it did not receive the tele gram correctly SND_UD is used to send data to the meter The meter either confirms rece
213. one operation otherwise the values will not take effect Write season Follow the steps in the table below to write the season configuration configuration Step Action 1 Write the number of seasons to use to the Number of seasons register This is a value between 1 and 4 2 Write the desired season configuration of the first season to the Season registers 3 Repeat step 2 for all seasons that shall be used i e the same number of times as the value written in step 1 Read season Follow the steps in the table below to read the current season configuration configuration Step Action 1 Read the Number of seasons register to find out how many seasons are used 2 Read from the Season registers to get the season name start date time and week profile associated with the first season 2CMC484001M0201 147 A43 A44 Revision A User Manual Communication with Modbus Week profile configuration registers Week profile registers Step Action 3 Repeat step 2 for each season until all season configurations have been read This means step 2 shall be performed the same number of times as the value read in step 1 Note Step 1 initiates the readout procedure and can NOT be left out even if the number of seasons used is already known Note The Season number register can optionally be read together with the Season registers in step 2 The Season number register
214. ontains two main views the Default menu and the Main menu Use the Exit button to toggle between the views In both views a number status icons are displayed in the upper part of the display These icons are explained in table 3 1 below In the same manner the bottom part of the display has an explan atory text to describe what is shown or highlighted at the moment The following image shows an example of the layout of the Default menu 9 E 1 2 3 AT1Q 8 0 00 kWh ACT NRG IMP TOT 1 20 The following table explains the content of the 20 available pages in the Default menu Page Unit Text on display Explaining text 1 20 kWh ACT NRG IMP TOT Measures the total imported active en ergy 2 20 kWh ACT NRG EXP TOT Measures the total exported active en ergy 3 20 kvarh REACT NRG IMP TOT Measures the total imported reactive en ergy 4 20 kvarh REACT NRG EXP TOT Measures the total exported reactive en ergy 5 20 kWh ACT NRG IMP TAR1 Measures the im ported active energy for tariff 1 6 20 kWh ACT NRG IMP TAR2 Measures the im ported active energy for tariff 2 7 20 kWh ACT NRG IMP TAR3 Measures the im ported active energy for tariff 3 A43 A44 User Manual 28 2CMC484001M0201 Revision A User Interface Page Unit Text on display Explaining text 8 20 kWh ACT NRG IMP TAR4 Measures the im ported active energy for tariff 4 9 20
215. or internal communication with ABB meters The protocol is based on the following standards IEC 62056 42 IEC 62056 46 IEC 62056 53 IEC 62056 61 IEC 62056 62 2CMC484001M0201 Revision A 41 A43 A44 User Manual Protocol details The following table shows the intervals and options for the different protocols Table 4 6 Protocol Access Upgrade Send Reset Parity Baudrate Address Inter Inactivity level mode Status password octet timeout Info timeout ms ms EQ Bus Yes No 1200 16 16381 20 6000 0 2000 when 2400 used 4800 through 9600 RS485 19200 38400 57600 115200 125000 230400 250000 460800 Modbus None 1200 1 247 when Odd 2400 used Even 4800 through 9600 RS485 19200 38400 57600 115200 M Bus Open Active Always Yes No 2400 1 250 when Password Not Active Never 4800 used Closed When 9600 through not OK 19200 IR Side 38400 EQ Bus Yes No 1200 when 2400 used 4800 through 9600 IR Side 19200 38400 57600 115200 125000 230400 A43 A44 42 2CMC484001M0201 User Manual Revision A 4 1 11 Setting Upgrade Consent Upgrade Consent can be set to Allowed or Not Allowed Setting it to Allowed means you agree to updates of the meter Setting it to Not Allowed means no upgrades will take place To set Upgrade Consent perform the following step
216. orted In the last quadrant the load is capacitive and active energy is imported and reactive energy exported 2CMC484001M0201 81 A43 A44 Revision A User Manual Measurement Methods Illustration The following illustration shows the loads Export of active power Import of active power Import of reactive power Export of reactive power 7 1 1 Single Phase 1 Element Metering 1 element metering in a 2 wire system In a 2 wire installation a single phase meter is used Normally the 2 wires are a phase voltage and the neutral The active energy consumed by the load is the product of momentary voltage and current integrated over the desired measuring time period Calculating active In the case where no harmonics is present and the rms value of the voltage and power current is constant the active power can be expressed as x P Ums Lms cos where is the phase angle between the voltage and the current A43 A44 82 2CMC484001M0201 User Manual Revision A Measurement Methods Illustration The following illustration shows a direct connected single phase meter measuring the active energy E consumed by a load Meter i Load 1 element metering in a 4 wire system In 4 wire system the single element metering method only gives correct results in a balanced system same voltage current and power factor in all phases This method should not be used for accurate me
217. ower factor L2 0 000 0 999 Power factor L3 0 000 0 999 Table 4 5 4 configurable I Os 4 static I Os 1 static I O No output No output No output Out 1 Out 1 Out 1 Out 2 Out 2 Out 3 Out 4 2CMC484001M0201 Revision A 39 A43 A44 User Manual 4 1 8 Setting Currency CO By setting a conversion factor for Currency CO kWh is converted to currency and or kg CO To set currency CO peform the following steps 1 Choose the Settings icon in the main menu press Choose Currency CO2 Curr CO2 on the display press l9 The display will show price in currency per unit Use Setting RS485 2 3 4 Press to set the the conversion factor and the quantity 5 7 to get to the next page The page will display the CO emissions in kg per kWh 6 Press to set the conversion factor for CO 4 1 9 The RS485 uses the EQ Bus and the Modbus protocols to communicate To set the RS485 communication depending on protocol perform the following steps Step EQ Bus Modbus 1 Choose the Settings icon in the Choose the Settings icon in the main menu press main menu press 2 Choose communication interface Choose communication inter face 3 Choose EQ Bus Choose Modbus 4 Press once to get to the next Press once to get to the next menu The display will show the menu The display will show bau
218. pecified A read request for a load profile quantities with phase no specified is performed by sending the following SND_UD to the meter followed by a REQ UD all values are hexadecimal Byte No Size Value Description 1 1 68 Start character 2 1 10 L field calculated from C field to last user data 3 1 10 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 OE DIF size 12 digit BCD data 9 1 ED VIF time point date and time 10 1 FF VIF next byte is manufacturer specific 11 1 F9 VIF extension of manufacturer specific VIFE s next VIFE spec ifies actual meaning 2CMC484001M0201 207 A43 A44 Revision A User Manual Communication with M Bus Byte No Size Value Description 12 XX VIFE specifies data requested 10 Active import energy register values at end of interval 11 Active import energy consumption per interval 12 Reactive import energy register values at end of interval 13 Reactive import energy consumption per interval 14 Input 1 register values at end of interval 15 Input 1 number of counts per interval 16 Input 2 register values at end of interval 17 Input 2 number of counts per interval 1C Active export energy register values at end of interval 1D Active export energy consumption per interval 1E Reactive export energy register values at
219. ption of a correct message or it omits confirmation because it did not receive the tele gram correctly REQ_UD2 is used by the master to request data from the meter RSP_UD is used by the meter to transfer data to the master The meter indicates to the master that more data will follow in the next telegram by sending 1Fh as the last user data If the meter does not respond to the REQ _UD2 it s an indication that the message was not received correctly or that the address does not match 10 1 3 1 Selection and secondary addressing General Wild cards It is possible to communicate with the meter using secondary addressing The secondary addressing takes place with the help of a selection 68h OBh OBh 68h 53h FDh 52h ID Manu Gener Me CS 16h 1 4 facturer ation dium 1 2 1 Generation means the same thing as version The master sends a SND_UD with the control information 52h to the address 253 FDh and fills the specific meter secondary address fields identification number manufacturer version and medium with the values of the meter that is to be ad dressed The address FDh and the control information 52h is the indication for the meter to compare the following secondary address with its own and to change into the selected state should it match In this case the meter answers the selection with an acknowledgement E5h otherwise it does not rep
220. r 98 99 2 XXXX 5 th harmonic in percent with 1 decimal 100 1 02 DIF size 2 byte integer 101 1 FF VIF next byte is manufacturer specific 102 1 EE VIFE voltage harmonics 103 1 ff VIF next byte is manufacturer specific 104 1 8x VIFE phase x 105 1 FF VIF next byte is manufacturer specific 106 1 F8 Extension of manufacturer specific VIFE s next VIFE s used for numbering 107 1 05 Harmonic number 108 109 2 XXXX 5 th harmonic in percent with 1 decimal 110 1 1F DIF more records will follow in next telegram 111 119 9 000000000 PAD bytes 000000000 120 1 XX CS checksum calculated from C field to last data 121 1 16 Stop character A43 A44 232 2CMC484001M0201 User Manual Revision A Communication with M Bus Example 2 Sending initialize command 10 40 FE 3E 16 Reading acknowledge E5 System sends voltage harmonic data read request command 68 08 08 68 73 FE 51 00 FF F9 2D 01 E8 16 Meter sends out acknowledge E5 System sends out request UD2 10 7B FE 79 16 Meter sends out data telegram 6E CO CO 68 08 00 72 00 00 00 00 42 04 20 02 03 2A 00 00 Data header 02 FF EE FF 81 FF F8 80 00 11 01 Total voltage harmonic distorsion for phase 1 27 3 02 FF EE FF 81 FF F8 82 00 1E 00 2 nd voltage harmonic distorsion for phase 1 3 0 02 FF EE FF 81 FF F8 83 00 03 01 3rd voltage harmonic distorsion for phase 1 25 9 02 FF EE FF 81 FF F8 84 00 OB 00 4th voltage harmonic distorsion for phase 1 1 1 02 FF EE FF 81 FF F8 85 00 4D 00
221. r Manual Revision A Communication with M Bus 10 5B FE 59 16 Meter sends out data telegram 68 E8 E8 68 08 00 72 44 47 24 00 42 04 02 02 05 00 00 00 Data header 01 FD 25 OF Interval length 15 minutes D4 10 29 40 90 02 00 Maximum demand storage number 1 for active power tariff 1 VIF 29 gt data in W with 2 decimals Data 29040hex 1680 00 W CE 00 ED 6B 26 29 01 03 06 06 Date time stamp for maximum given above 3 rd of june 2006 01 29 26 hour minute second D4 20 29 00 00 00 00 Maximum demand storage number 1 for active power tariff 2 VIF 29 gt data in W with 2 decimals Data Ohex 0 W CE 00 ED 6B 00 00 00 00 00 00 Date time stamp all zeros gt no maximum have been stored for this tariff D4 30 29 50 30 02 00 CE 00 ED 6B 00 45 03 07 06 06 D4 80 10 29 CO EO 04 00 CE 00 ED 6B 55 59 23 30 06 06 D4 90 40 29 AO AO 00 00 Maximum demand storage number 1 for reactive power tariff 1 VIF 29 gt data in var with 2 decimals Data AOAOhex 411 20 var CE 00 ED 6B 26 29 01 03 06 06 Date time stamp for maximum given above 3 rd of june 2006 01 29 26 hour minute second D4 AO 40 29 00 00 00 00 CE 00 ED 6B 00 00 00 00 00 00 D4 BO 40 29 30 89 00 OOCE 00 ED 6B 00 45 03 07 06 06 D4 80 50 29 A0 31 01 00 CE 00 ED 6B 55 59 23 30 06 06 D4 40 FD 61 00 00 00 00 Maximum demand storage number 1 for inpu
222. r powers up again demand will enter a waiting state until time date is set The interval lengths for demand can be one of the following 1 2 5 10 15 20 30 60 120 180 240 360 480 720 or 1440 minutes When the last interval of an ongoing period has finished the maximum and or minimum values are stored and a new period starts The length of a demand period can be a day a week or a month Demand has 50 channels which can be configured individually Each channel can store up to 200 periods A stored period contains the demand value the date time of the period and the date time of the interval when the demand value was mea sured All channels use the same interval and period length The period interval date and time is stored as end of period interval For instance if a period starts 2010 01 01 00 00 00 and ends 2010 01 02 00 00 00 then the stored period will be 2010 01 02 00 00 00 If there is no free memory space available the oldest period will be erased to make room for the most recent one Stored periods can be read via communication or directly on the display An ongoing period can be ended and a new one started by sending a freeze de mand via communication It is also possible to erase all stored periods by sending a Reset Demand com mand via communication The number of demand values to be stored during a period is individually config urable per channel Each demand channel can be config
223. racter 2 1 08 L field calculated from C field to last user data 3 1 08 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 00 DIF size no data 9 1 FF VIF next byte is manufacturer specific 10 1 F9 VIF extension of manufacturer specific vife s next vife specifies actual meaning 11 1 82 VIFE specifying demand 12 1 0B VIFE freeze 13 1 XX CS checksum calculated from C field to last data 14 1 16 Stop character 2CMC484001M0201 251 A43 A44 Revision A User Manual Communication with M Bus 10 4 33 Set write access level 10 4 34 Set tariff source The write access level is set by sending the following command all values are hexadecimal The command is affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 07 L field calculated from C field to last user data 3 1 07 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 01 DIF size 8 bit integer 9 1 FF VIF next byte is manufacturer specific 10 1 6A VIFE write control 11 1 XX Write control 1 Closed 2 Open by password 3 Open 12 XX CS checksum calculated from C field to last data 13 1 16 Stop character Tariffs can be controlled by inputs communication or internal clock The tar
224. raidan a a a draai anaa ia tai wa 143 ToO Ait sAr E OR EEE OTA E R a UTAO EE A OA te eee 145 10 Communication with M Bus ccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 153 101 1 Telegram Foma e e A A aA EEE E EG 158 EO ben Ea E Eo Korse e11 DEEE E E E E AE ET 158 10 1 2 Value Information Field codes cceccecceeeeeeeeeeeeeeeeeeaaecaeeeeeeeeeeeeeeeeeeeees 164 10 1 2 1 Standard VIF CodeS ccececeeeeeeceecceeeeeeeeeeeeeeeeenceaeeeeeeeeeeeeeeeeeneees 164 10 1 2 2 Standard codes for VIFE used with extension indicator FDh 164 10 1 2 3 Standard codes for VIFE ccccececeeeeeeeeeeceecneecaeeeeeeeeeeeeeteneseenaees 165 10 1 2 4 First manufacturer specific VIFE COdes ccccceceeeeeeeeeeseeetteteees 165 10 1 2 5 VIFE Codes for reports of record errors meter to master 166 10 1 2 6 VIFE Codes for object actions master to meter 2 00 eeeeeeees 167 10 1 2 7 2 nd manufacturer specific VIFE followed after VIFE 1111 1000 F8 hex 167 10 1 2 8 2 nd manufacturer specific VIFE followed after VIFE 1111 1001 F9 hex 167 10 1 2 9 2 nd manufacturer specific VIFE followed after VIFE 1111 1110 FE hex 169 10 1 3 Communication process nai a E a a e a E 169 10 1 3 1 Selection and secondary addressing ccceeceeeeeeeeeeeeeeeteeeeeeeeeaeees 170 10 2 1 Example of the 1st telegram all values are hexadecimal cceeeeees 172 10 2 2 Example of 2n
225. rator 129 1 XX VIFE status 130 133 4 XXXXXXXX Current transformer ratio numerator 134 1 04 DIF size 32 bit integer 135 1 FF VIF next byte is manufacturer specific 136 1 A1 VIFE VT ratio numerator 137 1 XX VIFE status 138 141 4 XXXXXXXX Voltage transformer ratio numerator 142 1 04 DIF size 32 bit integer 143 1 FF VIF next byte is manufacturer specific 144 1 A2 VIFE CT ratio denominator 145 1 XX VIFE status 146 149 4 XXXXXXXX Current transformer ratio denominator 150 1 04 DIF size 32 bit integer 151 1 FF VIF next byte is manufacturer specific 152 1 A3 VIFE VT ratio denominator 153 1 XxX VIFE status 154 157 4 XXXXXXXX Voltage transformer ratio denominator 158 1 07 DIF size 64 bit integer 159 1 FF VIF next byte is manufacturer specific 160 1 A6 VIFE error flags binary 161 1 XX VIFE status 162 169 8 XXXXXXXXXXXXXXXX 64 Error flags 170 1 07 DIF size 64 bit integer A43 A44 User Manual 174 2CMC484001M0201 Revision A Communication with M Bus Byte No Size Value Description 171 1 FF VIF next byte is manufacturer specific 172 1 A7 VIFE warning flags binary 173 1 XX VIFE status 174 181 8 XXXXXXXXXXXXXXXX 64 Warning flags 182 1 07 DIF size 64 bit integer 183 1 FF VIF next byte is manufacturer specific 184 1 A8 VIFE information flags binary 185 1 XX VIFE
226. rt character 2 1 73 L field calculated from C field to last user data 3 1 73 L field repeated 4 1 68 Start character 5 1 08 C field RSP_UD 6 1 XX A field address 7 1 72 Cl field data send LSB first 8 11 4 XXXXXXXX identification number 8 BCD digits 12 13 2 4204 Manufacturer ABB 14 1 05 Version 15 1 02 Medium 02 electricity 16 1 XX Number of accesses 17 1 XX Status 18 19 1 0000 Signature 0000 no encryption 20 1 02 DIF size 2 byte integer 21 1 FF VIF next byte is manufacturer specific 22 1 ED VIFE current harmonics 23 1 FF VIF next byte is manufacturer specific 24 1 8x VIFE phase x 25 1 FF VIF next byte is manufacturer specific 26 1 F8 Extension of manufacturer specific VIFE s next VIFE s used for numbering 27 1 00 Number 0 signifies total harmonics 28 29 2 XXXX Total harmonics in percent with 1 decimal 30 02 DIF size 2 byte integer 2CMC484001M0201 225 A43 A44 Revision A User Manual Communication with M Bus Byte No Size Value Description 31 1 FF VIF next byte is manufacturer specific 32 1 ED VIFE current harmonics 33 1 FF VIF next byte is manufacturer specific 34 1 8x VIFE phase x 35 1 FF VIF next byte is manufacturer specific 36 1 F8 Extension of manufacturer specific VIFE s next VIFE s used for numbering 37 1 02 Harmonic number 38 39 2 XXXX 2 nd harmonic in percent wit
227. s 1 Choose the Settings icon in the main menu press 0 2 Choose Upgrade Consent Upgr Cons on the display press 9 3 Press to set Upgrade Consent 4 1 12 Setting Pulse LED To set pulse LED perform the following steps 1 Choose the Settings icon in the main menu press 0 2 Choose Pulse LED Puls LED on the display press 3 Press to set the type of energy active or reactive that the LED shall 4 1 13 Setting Tariff indicate on The tariff source can be set to input clock or communication To set the tariffs perform the following steps Step Input Clock Communication 1 Choose the Settings icon in Choose the Settings icon in Choose the Set the main menu press amp the main menu press tings icon in the main menu press 2 Choose Tariff press 9 Choose Tariff press 09 Choose Tariff press ox 3 Press and choose Input Press b and choose Clock Press J and If the display says choose Comm Config found No reset then reset the configuration by pressing and choosing Reset 4 Use 7 to toggle to the first Press 7 to get to the next The tariff source is configuration Four configu page now set for commu rations are available Set nication the tariff that shall be active for each configuration 5 Set the
228. s Read previous values Load profile Read load profile data Demand Read Demand max and min data Event log Read event log data System log Read system log data Audit log Read audit log data Net quality log Read net quality log data Settings log Read transformer log data Current harmonics Read THD and harmonics on each current mea sured Voltage harmonics Read THD and harmonics on each voltage mea sured Apparent import energy total Total cumulative apparent imported energy Apparent export energy total Total cumulative apparent exported energy Active import energy L1 Cumulative active imported energy in the L1 phase Active import energy L2 Cumulative active imported energy in the L2 phase Active import energy L3 Cumulative active imported energy in the L3 phase Active export energy L1 Cumulative active exported energy in the L1 phase Active export energy L2 Cumulative active exported energy in the L2 phase Active export energy L3 Cumulative active exported energy in the L3 phase Reactive import energy L1 Cumulative reactive imported energy in the L1 phase Reactive import energy L2 Cumulative reactive imported energy in the L2 phase Reactive import energy L3 Cumulative reactive imported energy in the L3 phase Reactive export energy L1 Cumulative reactive exported energy in the L1 phase
229. s consumption per interval values This is controlled by the VIFE used in the read out request When the load profile data is read out as consumption per interval the register value at the start of the 1 st interval is also sent out The date time information is sent out in format M Bus data type F When the load profile data is read out as consumption per interval the date time information specifies the start of the 1 st interval and the date time stamp for the register value in the frame sent out When the load profile data is read out as register values the date time information specifies the end of the 1 st interval the frame sent out The register values have same data and value information bytes DIF DIFE s VIF VIFE s as the momentary register values but with storage number to in dicate that it is stored historical data If the load profile search type is set to raw format it is only possible to read register values or average values i e not consumption values per interval In this case the values stored in the meter are sent out in the order they were stored starting with the most recent This means that there may exist duplicate time stamps as well as jumps in time in any direction 2CMC484001M0201 Revision A 209 A43 A44 User Manual Communication with M Bus Status The manufacturer specific coding of the status information is used to indicate the information following e Date time was changed during
230. s Previous values data for all channels that is stored at the end of a period is sent out in one or more telegrams depending on the number of channels that are used The most recent values are sent out first having storage number 1 then the second most recently stored values with storage number 2 and so on until all stored pre vious values have been read Beside the previous register values a date time stamp for the end of the period is sent out in the telegram The date time information is sent out in format 6 byte BCD in order second minute hour day month and year Note Previous values are also sent out in a normal readout sequence This sequence takes it start after the default telegrams that contain current values of energy registers instrumentation values etc A43 A44 216 2CMC484001M0201 User Manual Revision A Communication with M Bus 10 3 3 1 Examples of Readouts of Previous Values Readout of previous values data Sending initialize command 10 40 fe 3e 16 Reading acknowledge e5 Sending Direct access with Date command 68 Oa 0a 68 73 fe 51 02 ec ff f9 19 68 11 3a 16 Date 8th January year 11 Reading acknowledge e5 Sending Request User Data 2 10 7b fe 79 16 Meter sends out data telegram Data block 1 68 e3 e3 68 08 00 72 00 00 00 00 42 04 10 02 01 2a 00 00 Data header ce 00 ed eb 00 00 00 00 08 01 11 Date Time stamp for previous values here 08 01 11 00 00 00 day month year sec
231. s values 01 for maximum values and 10 for minimum values The Data Field shows the format of the data The following table shows the coding of the data field Code Meaning Length 0000 No Data 0 0001 8 Bit Integer 1 0010 16 Bit Integer 2 0100 32 Bit Integer 4 0111 64 Bit Integer 8 1010 4 digit BCD 2 1111 6 digit BCD 3 1100 8 digit BCD 4 A43 A44 162 2CMC484001M0201 User Manual Revision A Communication with M Bus Value Information block VIB Data Manufacturer data header MDH Code Meaning Length 1101 Variable Length Variable ASCII 1110 12 digit BCD 6 The following table shows the structure of the Data Information Field Extension DIFE Bit 7 Bit 6 Bit5 Bit4 Bit3 Bit2 Bit 1 Bito Extension bit Unit Tariff Storage No The following list explains the content of the DIFE e Unit is used for power and energy values show the type of power energy It is also used to define the number of inputs outputs and to specify sign of offset when accessing event log data e Tariff is used for energy values to give tariff information Storage number is set to 0 in values read to indicate momentary values Storage number bigger than 0 is used to indicate previously stored values i e values stored at a specific point of time in the past VIB follows a DIF or DIFE without extension bit It contains one value informa tion field VIF and is in so
232. scribes the common header registers Function Size Description Datatype Read write Get next entry 1 Write the value 1 to this register to load Unsigned R W new values in the Data block s Entry number 1 Write to this register to choose an entry Unsigned R W number to start reading from Date Time 3 Write to this register to choose a date Date Time R W time to start reading from see below Direction 1 Write to this register to choose the Unsigned R W direction of reading The Get next entry register is used to continue an ongoing readout which was register started by writing to any of the Entry number Date Time or Direction registers If the direction in Direction register is set to backward the Data block is loaded with older data And correspondingly if the direction is set to forward the Data block is loaded with more recent data 2CMC484001M0201 111 A43 A44 Revision A User Manual Communication with Modbus Entry number register Date Time register Direction register The Entry number register is used to specify an entry number to start reading from When a value is written to the Entry number register the Data block is loaded with values for that entry number Subsequent writes to Get next entry register will update the Entry number register increment or decrement depending on direction in the Direction register as well as loading new values to the
233. st data 15 1 16 Stop character A43 A44 242 2CMC484001M0201 User Manual Revision A Communication with M Bus 10 4 16 Reset of input counter 3 Reset of input counter 3 is performed by sending the following command all values are hexadecimal The command is not affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 09 L field calculated from C field to last user data 3 1 09 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 80 DIF size no data 9 1 Co DIFE unit 1 10 1 40 DIFE unit 2 11 1 FD VIF extension of VIF codes 12 1 E1 VIFE cumulating counters 13 1 07 VIFE clear 14 1 XX CS checksum calculated from C field to last data 15 1 16 Stop character 10 4 17 Reset of input counter 4 Reset of input counter 4 is performed by sending the following command all values are hexadecimal The command is not affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 OA L field calculated from C field to last user data 3 1 OA L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 80 DIF size no data 9 1 80 DIFE unit 0 10 1 80 DIFE unit 0 11 1 40 DIFE unit 4 12 1
234. st value during the demand period Capture time The Capture time register shows the date and time when the minimum or register maximum value for this entry occurred Status register The status register shows the status for a value stored at a given timestamp Possible values are shown in the table below Status Description 0 OK 1 Not available 2 Data error Example of data The following table shows the relation between stored values and channels in data block 1 block 1 Entry Timestamp Channel 1 Channel 2 8 Capture time Status Value 1 110601 110515 0 OK 200 W 00 00 00 01 05 00 2 110501 110410 2 Data error 10000 W 00 00 00 02 10 00 3 110401 110305 0 OK 250 W 00 00 00 03 15 00 9 6 1 Reading Demand General Readout of demand is controlled by the Entry number register or Date Time register After writing to any of those registers the values of all channels for the given entry number or date time are available in the registers of data block 1 to 7 together with status and timestamp information In the data blocks the registers Quantity Level Data type and Scaler provide further information about the data stored in each channel To get the next block of demand values write the value to the Get next entry register and then read again from the registers in the data blocks 2CMC484001M0201 125 A43 A44 Revision A User Manual Communication with Modbus Read the most rece
235. ster values at end of intervals E010 0101 Readout request of input 3 counter load profile in format number of counts per interval E010 0110 Readout request of input 4 counter load profile in format counter register values at end of intervals E010 0111 Readout request of input 4 counter load profile in format number of counts per interval E010 1000 Readout request of current load profile E010 1001 Readout request of voltage load profile E010 1010 Readout request of THD voltage load profile E010 1011 Readout request of THD current load profile E010 1100 Readout request of power factor load profile E010 1101 Readout request of voltage harmonics E010 1110 System log E010 1111 Audit log E011 0000 Net quality log A43 A44 User Manual 168 2CMC484001M0201 Revision A Communication with M Bus VIFE code Description E011 0001 Settings log E011 0010 Event log E011 0011 Event type system log E011 0100 Event type audit log E011 0101 Event type net quality log E011 0110 Event type settings log E011 0111 Event type event log E011 Onnn Energy in CO kg 10 E011 1nnn Energy in currency currency 10 10 1 2 9 2 nd manufacturer specific VIFE followed after VIFE 1111 1110 FE hex VIFE code Description E000 opsl Data status for load profile o overflow p power outage during interval s short interval long interval 10 1 3 Communicati
236. stop character 16h Field description All fields in the telegram have a length of 1 byte 8 bits The L Field length field gives the size of the user data in bytes plus 3 for the C A and C Fields It is transmitted twice in the telegrams using the long frame format A43 A44 User Manual 158 2CMC484001M0201 Revision A Communication with M Bus The C Field The C Field control field contains information about the direction of the data flow and error handling Besides labeling the functions and the actions caused by them the control field specifies the direction of data flow and is responsible for various parts of the communication to and from the meter The following table shows the coding of the C Field Bit No 7 6 5 4 3 2 1 0 To meter 0 PRM FCB FCV F3 F2 F1 FO From meter 0 PRM 0 0 F3 F2 F1 FO The primary message bit PRM is used to specify the direction of the data flow It is set to 1 when a telegram is sent from a master to the meter and to 0 in the other direction The frame count bit valid FCV is set to 1 by the master to indicate that the frame count bit FCB is used When the FCV is set to 0 the meter ignores the FCB The FCB is used to indicate successful transmission procedures A master shall toggle the bit after a successful reception of a reply from the meter If the expected reply is missing or the reception of it is faulty
237. t age is reference Current phase angle L2 Instantaneous current phase angle for L2 L1 volt age is reference Current phase angle L3 Instantaneous current phase angle for L3 L1 volt age is reference Phase angle power Total Instantaneous phase angle for total power Phase angle power L1 Instantaneous phase angle power for L1 Phase angle power L2 Instantaneous phase angle power for L2 Phase angle power L3 Instantaneous phase angle power for L3 Installation check Read result of and clear installation check Current quadrant Total Quadrant in which the meter is measuring Current quadrant L1 Quadrant in which the meter is measuring L1 Current quadrant L2 Quadrant in which the meter is measuring L2 2CMC484001M0201 Revision A 155 A43 A44 User Manual Communication with M Bus Register Communication objects Current quadrant L3 Quadrant in which the meter is measuring L3 Power fail counter Read and reset power fail counter Total power outage time Read and reset total power outage time Current tariff Read and set current tariff Manufacturer Manufacturer information FW version Firmware version Warning flags Read warning flags Info flags Read info flags Alarm flags Read alarm flags Error flags Read error flags Date and time Read and set date and time Previous value
238. t 0 216 1 80 DIFE tariff bits 0 1 storage number bit 1 4 unit bit O 217 1 50 DIFE tariff 4 unit bit 1 218 1 84 VIF for units kvarh with resolution 0 01kvarh 219 1 XX VIFE status 220 225 6 XXXXXXXXXXXX Reactive imported energy tariff 4 226 1 1F DIF more records will follow in next telegram 227 1 XX CS checksum calculated from C field to last data 228 1 16 Stop character 10 2 9 Example of the 9th telegram all values are hexadecimal This example telegram contains the most recent snapshot of previous values con tinued from telegram 8 Second most recent snapshot would be sent out in 10th and 11th telegram and so on Byte No Size Value Description 1 1 68 Start character 2 1 4B L field calculated from C field to last user data 3 1 4B L field repeated 4 1 68 Start character 5 1 08 C field RSP_UD 6 1 XX A field address 2CMC484001M0201 201 A43 A44 Revision A User Manual Communication with M Bus Byte No Size Value Description 7 1 72 Cl field variable data respond LSB first 8 11 4 XXXXXXXX Identification Number 8 BCD digits 12 13 2 4204 Manufacturer ABB 14 1 02 Version 15 1 02 Medium 02 Electricity 16 1 XX Number of accesses 17 1 XX Status 18 19 2 0000 Signature 0000 no encryption 20 1 CE DIF size 12 di
239. t 1 VIF 29 gt data in number of pulses Data Ohex 0 pulses 00 ED 6B 00 00 00 00 00 00 D4 80 40 FD 61 00 00 00 00 CE 00 ED 6B 00 00 00 00 00 00 CE 00 ED EB FF 70 00 00 00 01 07 06 Date time stamp for end of measure ment period 1 st of july 2006 00 00 00 hour minute second 1F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 C5 16 10 3 3 Readout of Previous Values Read request A read request is performed by sending the following SND_UD to the meter all values are hexadecimal followed by a REQ UD2 Byte No Size Value Description 1 1 68 Start character 2 1 OA L field calculated from C field to last user data 3 1 OA L field repeated 2CMC484001M0201 215 A43 A44 Revision A User Manual Communication with M Bus Byte No Size Value Description 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 02 DIF size 2 byte integer 9 1 EC VIF time point date M Bus data type G 10 1 FF VIF next byte is manufacturer specific 11 1 F9 VIF extension of manufacturer specific VIFEs next VIFE specifies actual meaning 12 1 19 VIFE specifies Previous values 13 14 2 XXXX Date M Bus data type G LSB byte sent first 15 1 XX CS checksum calculated from C field to last data 16 1 16 Stop character Comment
240. t Size Description Read Reg write Hex I O port 1 8C0C 1 Function of first I O port R W I O port 2 8CO0D 1 Function of second I O port R W I O port 3 8COE 1 Function of third I O port R W I O port 4 8COF 1 Function of fourth I O port R W The following table lists the possible values for I O port function Value Function 0 Input 1 Communication output 2 Alarm output 3 Pulse output 4 Tariff output 5 Output always ON 6 Output always OFF 2CMC484001M0201 143 A43 A44 Revision A User Manual Communication with Modbus Pulse output configuration registers Selectable energy quantities Write pulse output configuration The following table describes the group of registers for configuring the pulse outputs Function Start Size Description Read Reg write Hex Pulse output 8010 1 The instance number of the pulse output RAV instance Port number 8C11 1 The physical I O port on which the R W pulses are sent out Energy quantity 8C12 3 The OBIS code for the quantity R W Pulse frequency 8C15 2 The pulse frequency measured in R W active energy pulses kWh with 3 decimals This is relevant only if Energy quantity is set to active energy Pulse frequency 8C17 2 The pulse frequency measured in R W reactive energy pulses kvarh with 3 decimals This is relevant only if Energy quantity is set to reactive energy Pulse length 8019 2
241. t byte is manufacturer specific 61 1 F2 VIFE resettable energy 62 1 XX VIFE status 63 68 6 XXXXXXXXXXXKX Resettable reactive exported energy Total 69 1 04 DIF size 32 bit integer 70 1 FF VIFE next byte is manufacturer specific 71 1 F1 VIFE reset counter 2CMC484001M0201 189 A43 A44 Revision A User Manual Communication with M Bus Byte No Size Value Description 72 1 XX VIFE status 73 76 4 XXXXXXXX Reset counter for active imported energy Total 77 1 84 DIF size 32 bit integer 78 1 40 DIFE Unit 1 79 1 FF VIFE next byte is manufacturer specific 80 1 F1 VIFE reset counter 81 1 XX VIFE status 82 85 4 XXXXXXXX Reset counter for active exported energy Total 86 1 84 DIF size 32 bit integer 87 1 80 DIFE 88 1 40 DIFE Unit 2 89 1 FF VIFE next byte is manufacturer specific 90 1 F1 VIFE reset counter 91 1 XX VIFE status 92 95 4 XXXXXXXX Reset counter for reactive imported energy Total 96 1 84 DIF size 32 bit integer 97 1 co DIFE Unit 1 98 1 40 DIFE Unit 2 99 1 FF VIFE next byte is manufacturer specific 100 1 F1 VIFE reset counter 101 1 XX VIFE status 102 105 4 XXXXXXXX Reset counter for reactive exported energy Total 106 1 OE DIF size 12 digit BCD 107 1 FF VIFE next byte is manufacturer specific 108 1 F9 VIF extension of manufacturer specific VIFE s 109 1 C4 Energy in CO
242. t power L2 1 0 139 7 0 255 A43 A44 User Manual 140 2CMC484001M0201 Revision A Communication with Modbus Thresholds registers Delays registers Actions registers Quantity OBIS code Apparent power L3 1 0 140 7 0 255 Power factor total 1 0 13 7 0 255 Power factor L1 1 0 33 7 0 255 Power factor L2 1 0 53 7 0 255 Power factor L3 1 0 73 7 0 255 Harmonic voltage L1 1 0 32 7 0 255 Harmonic voltage L2 1 0 52 7 0 255 Harmonic voltage L3 1 0 72 7 0 255 Harmonic voltage L1 L2 1 0 134 7 0 255 Harmonic voltage L2 L3 1 0 135 7 0 255 Harmonic voltage L1 L3 1 0 136 7 0 255 Harmonic current L1 1 0 31 7 0 255 Harmonic current L2 1 0 51 7 0 255 Harmonic current L3 1 0 71 7 0 255 Harmonic current Neutral 1 0 91 7 0 255 Inactive deactivates the alarm 1 128 128 128 128 128 The Thresholds registers are used to read and write the ON and OFF threshold values for an alarm The scaling is the same as where the quantity appears in the normal mapping tables The first lowest 4 registers are the ON threshold and the last 4 registers are the OFF threshold Data type is signed 64 bit integer The Delays registers are used to read or write the ON and OFF delays for an alarm The delay is expressed in milliseconds The first lowest 2 registers are the ON delay and the last 2 registers are the OFF delay Data type is unsigned 32 bit integer
243. ta error Data errors 10 1 2 6 VIFE Codes for object actions master to meter VIFE code Action Description E000 0111 Clear Set data to zero E000 1011 Freeze data Freeze data to storage number 10 1 2 7 2 nd manufacturer specific VIFE followed after VIFE 1111 1000 F8 hex VIFE code Description Ennn nnnn Used for numbering 0 127 10 1 2 8 2 nd manufacturer specific VIFE followed after VIFE 1111 1001 F9 hex VIFE code Description E000 0001 DST day of week day type season E000 0010 Quantity specification of maximum demand E000 0011 Quantity specification of previous values E000 0100 Quantity specification of load profile E000 0110 Quantity specification of event log E000 0110 Tariff source E001 0000 Readout request of active imported energy load profile in format energy register values at end of intervals E001 0001 Readout request of active imported energy load profile in format energy consumption per interval E001 0010 Readout request of reactive imported energy load profile in format energy register values at end of intervals E001 0011 Readout request of reactive imported energy load profile in format energy consumption per interval E001 0100 Readout request of input 1 counter load profile in format counter register values at end of intervals E001 0101 Readout request of input 1 counter load profile in format number of counts per interval E001 0110 Readout request of input 2 counter load profile in format counter register values at end of in
244. tal Total cumulative active exported energy Active export energy tariff 1 Cumulative active exported energy tariff 1 Active export energy tariff 2 Cumulative active exported energy tariff 2 Active export energy tariff 3 Cumulative active exported energy tariff 3 Active export energy tariff 4 Cumulative active exported energy tariff 4 Reactive export energy total Total cumulative reactive exported energy Reactive export energy tariff 1 Cumulative reactive exported energy tariff 1 Reactive export energy tariff 2 Cumulative reactive exported energy tariff 2 Reactive export energy tariff 3 Cumulative reactive exported energy tariff 3 Reactive export energy tariff 4 Cumulative reactive exported energy tariff 4 CT Ratio Current transformer ratio numerator CT Ratio Current transformer ratio denominator VT Ratio Voltage transformer ratio numerator VT Ratio Voltage transformer ratio denominator Outputs Read and set status of outputs Inputs current state Read current state of input 1 2 3 and 4 A43 A44 154 2CMC484001M0201 User Manual Revision A Communication with M Bus Register Communication objects Inputs stored state Read and reset stored state of input 1 2 3 and 4 Inputs counter Read and clear input pulse counter 1 2 3 and 4 Current L1 Instantaneous current in the L1 phase Current L2 Instantaneous current in the L2 phase Current L3 Instantaneous current in the L3 phase Voltage L
245. tariff 1 reactive energy here 0 0 kvarh ce a0 40 84 00 00 00 00 00 00 00 Daily value for tariff 2 reactive energy here 0 0 kvarh ce bO 40 84 00 00 00 00 00 00 00 Daily value for tariff 3 reactive energy here 0 0 kvarh ce 80 50 84 00 00 00 00 00 00 00 Daily value for tariff 4 reactive energy here 0 0 kvarh 1f Dif 1F gt more daily values exist 6e 16 Checksum and stop byte Sending Request User Data 2 10 5b fe 59 16 Data block 2 68 4b 4b 68 08 00 72 00 00 00 00 42 04 10 02 02 2a 00 00 Data header ce 00 ed eb 00 00 00 00 08 01 11 Date Time stamp for previous values here 08 01 11 00 00 00 day month year sec min hour ce 40 fd e1 00 00 00 00 00 00 00 Daily value for input 1 counter here 0 pulses ce 80 40 fd e1 00 00 00 00 00 00 00 Daily value for input 1 counter here 0 pulses ce c0 40 fd e1 00 00 00 00 00 00 00 Daily value for input 1 counter here 0 pulses ce 80 80 40 fd e1 00 00 00 00 00 00 00 Daily value for input 1 counter here 0 pulses Of Dif OF gt no more daily values exist cd 16 Checksum and stop byte A43 A44 218 2CMC484001M0201 User Manual Revision A Communication with M Bus Readout of previous values data System sends read request command for previous values with date 1 st of july 06 68 OA OA 68 73 FE 51 02 EC FF F9 19 C1 07 89 16 Meter sends out acknowledge E5 System sends out request UD2 10 7B FE 79 16 Meter sends out data telegram 68 9C 9
246. te It is not possible to modify parts of a setting e g to set only the year and month of the Date time setting Confirm set After you set a value in the meter it is recommended that you read the value to values confirm the result since it is not possible to confirm if a write was successful from the Modbus response 2CMC484001M0201 99 A43 A44 Revision A User Manual Communication with Modbus 9 3 Mapping Tables Introduction The purpose of this section is to explain the relation between register number and metering data Contents of the The following table explains the content of the mapping tables mapping tables Quantity Name of the meter quantity or other information available in the meter Details Refinement of the Quantity column Start Reg Hex Hexadecimal number for the first lowest Modbus Register for this quantity Size Number of Modbus registers for the meter Quantity A Modbus Register is 16 bits long Res Resolution of the value for this Quantity if applicable Unit Unit for the Quantity if applicable Data type Data type for this Quantity i e how the value in the Modbus registers should be interpreted It is expressed exactly as it is sent on the bus That is it should not be subtracted by 40 000 or decremented by 1 as is common for Modbus products
247. ted every time the Week profile registers are read Day profile The following table describes the group of registers for configuring day profiles configuration Function Start Size Description Read registers Reg write Hex Number of day 8CCD 1 The number of day profiles used 1 16 R W profiles Day profile 8CCE 1 Current day profile number during read R number or write of configuration Number of 8CCF 1 The number of actions during a day R W actions profile 1 30 Action number 8CDO 1 Current action number during read or R write of configuration Action 8CD1 2 Time when the action shall be R W performed and what to do 2CMC484001M0201 149 A43 A44 Revision A User Manual Communication with Modbus Action registers Write day profile configuration The following table describes the group of registers for configuring a day profile action Function Byte number Description Execution time 0 High byte Hour when the action shall be performed 1 Low byte Minute when the action shall be performed Action id Both bytes Decides the action to perform See the list of possible actions below Note Both registers in the table above must be written in one operation otherwise the values will not take effect Possible actions to perform are activating tariffs and setting or resetting outputs The possible values for action id are listed
248. teger 47 1 40 DIFE Unit 1 48 1 FD VIF extension of VIF codes 49 1 9A VIFE digital output 50 1 XX VIFE status 51 1 XX Output 1 current state 52 1 81 DIF size 8 bit integer 53 1 80 DIFE 54 1 40 DIFE Unit 2 55 1 FD VIF extension of VIF codes 56 1 9A VIFE digital output 57 1 XX VIFE status 58 1 XX Output 2 current state 59 1 81 DIF size 8 bit integer 60 1 Co DIFE Unit 1 61 1 40 DIFE Unit 2 62 1 FD VIF extension of VIF codes 63 1 9A VIFE digital output 64 1 XX VIFE status 65 1 XX Output 3 current state 66 1 81 DIF size 8 bit integer 67 1 80 DIFE 68 1 80 DIFE 69 1 40 DIFE Unit 4 70 1 FD VIF extension of VIF codes 71 1 9A VIFE digital output 72 1 XX VIFE status 73 1 XX Output 4 current state 74 1 81 DIF size 8 bit integer 75 1 40 DIFE Unit 1 76 1 FD VIF extension of VIF codes 77 1 9B VIFE digital input 78 1 XX VIFE status 79 1 XX Input 1 current state 80 1 81 DIF size 8 bit integer 81 1 80 DIFE 82 1 40 DIFE Unit 2 83 1 FD VIF extension of VIF codes 84 1 9B VIFE digital input 85 1 XX VIFE status 86 1 XX Input 2 current state A43 A44 User Manual 186 2CMC484001M0201 Revision A Communication with M Bus Byte No Size Value Description 87 1 81 DIF size 8 bit integer 88 1 Co DIFE Unit 1 89 1
249. tervals E001 0111 Readout request of input 2 counter load profile in format number of counts per interval 2CMC484001M0201 A43 A44 Revision A User Manual Communication with M Bus VIFE code Description E001 1000 Readout request of maximum demand E001 1001 Readout request of previous values E001 1010 Readout request of event log E001 1011 Readout request of current harmonics E001 1100 Readout request of active exported energy load profile in format energy register values at end of intervals E001 1101 Readout request of active exported energy load profile in format energy consumption per interval E001 1110 Readout request of reactive exported energy load profile in format energy register values at end of intervals E001 1111 Readout request of reactive exported energy load profile in format energy consumption per interval E010 0000 Readout request of apparent imported energy load profile in format energy register values at end of intervals E010 0001 Readout request of apparent imported energy load profile in format energy consumption per interval E010 0010 Readout request of apparent exported energy load profile in format energy register values at end of intervals E010 0011 Readout request of apparent exported energy load profile in format energy consumption per interval E010 0100 Readout request of input 3 counter load profile in format counter regi
250. that generates less current harmonics and is less sensitive to voltage harmonics 2CMC484001M0201 Revision A 53 A43 A44 User Manual Technical Description 5 3 1 Measuring Harmonics General Measuring Folding distortion Frequency measurement To detect and eliminate the problems related to presence of harmonics it s gener ally necessary to measure the harmonics Meters that have harmonic measure ment enabled measure harmonics on all voltages and currents up to the 16th har monic and calculates the total harmonic distortion THD Measurement of the harmonics is done sequentially one at a time and approxi mately two harmonic numbers are measured every second Each harmonic is calculated according to I 100 and the total current harmonic distortion for the harmonics measured is calculated according to 16 J2 fp i 100 a 2 where J is the fundamental current and Z is the current for harmonics with num bern At each measurement the harmonic is set to 0 if the rms value of the current is below a certain lower limit normally 5 of the basic current Since the meter have limited sampling frequency presence of harmonics over the 20 th harmonic 1 kHz at 50 Hz line frequency will result in folding distortion and can affect the harmonic measurement accuracy negatively Due to the possible presence of folding distortion and the fact that harmonics is measured sequentiall
251. time that the measured value has to be higher than the limit set in the previous step in order for the alarm to trigger Set the time limit 6 Press 7 once to get to the next menu The display will show what level the alarm will cease on Set the alarm level 7 Press once to get to the next menu The display will show the time that the measured value has to be lower than the limit set in the previous step in order for the alarm to cease Set the time limit 8 Press 7 once to get to the next menu The display will show if the alarm will be logged or not The available values are on and off Set logging to on or off 9 Press 7 once to get to the next menu The display will show what output the alarm is set on or if no output is set The available choices are dependent on meter type see table 4 5 Note If choosing an I O that is not alarm configured the option will be set to no ouput when pressing the button 10 The first alarm is now fully configured Depending on the meter type up to four alarms can be set If your meter supports multiple alarms use 7 and gt to set the remaining alarms the same way as the first alarm was configured Table 4 3 1 phase meter Interval Unit Inactive Current L1 0 01 99 99 A kA Voltage L1 0 1 999 9 V kV Harmonic voltage L1 0 1 999 9 V kV Active power total 0 9999 W kW MW React
252. tion 0 01kVAh 97 1 FF VIFE next byte is manufacturer specific 98 1 81 VIFE L1 99 1 XX VIFE status 100 105 6 XXXXXXXXXXXX Apparent imported energy L1 106 1 8E DIF size 12 digit BCD 107 1 80 DIFE 108 1 80 DIFE 109 1 40 DIFE Unit 4 110 1 84 VIF for unit KVAh with resolution 0 01kVAh 111 1 FF VIFE next byte is manufacturer specific 112 1 82 VIFE L2 113 1 XX VIFE status 114 119 6 XXXXXXXXXXXX Apparent imported energy L2 120 1 8E DIF size 12 digit BCD 121 1 80 DIFE 122 1 80 DIFE 123 1 40 DIFE Unit 4 124 1 84 VIF for unit kKVAh with resolution 0 01kVAh 125 1 FF VIFE next byte is manufacturer specific 126 1 83 VIFE L3 127 1 XX VIFE status 128 133 6 XXXXXXXXXXXX Apparent imported energy L3 134 1 8E DIF size 12 digit BCD 135 1 40 DIFE Unit 1 136 1 84 VIF for units kWh with resolution 0 01kWh 137 1 FF VIFE next byte is manufacturer specific 138 1 81 VIFE L1 139 1 XX VIFE status 140 145 6 XXXXXXXXXXXX Active exported energy L1 146 1 8E DIF size 12 digit BCD 147 1 40 DIFE Unit 1 148 1 84 VIF for units kWh with resolution 0 01kWh 149 1 FF VIFE next byte is manufacturer specific 150 1 82 VIFE L2 151 1 XX VIFE status 152 157 6 XXXXXXXXXXXX Active exported energy L2 158 1 8E DIF size 12 digit BCD 159 1 40 DIFE Unit 1 160 1 84 VIF for units kWh with resolution 0 01kWh 2CMC484001M0201 193 A43 A44 User Manual Communication with M Bus
253. tor efficiency and product lifetime will decrease if the voltage contain harmonics In transformers harmonics will cause higher wire hysteresis and eddy losses which could result in efficiency losses up to 50 Voltage harmonic can give higher peak voltages higher crest factor causing overvoltage protection devices to trip and in worst case destruction of devices Voltage harmonic can result in decreased product lifetime and in worst case destruction of capacitor banks used for power factor correction Voltage harmonic can cause malfunction of devices controlled by the voltage often zero crossings voltage harmonics can give extra zero crossings Voltage harmonics can produce disturbances within devices having its power supply connected to the mains causing problems Eliminating negative effects of harmonics Because of the negative effects of harmonics it may be necessary to take actions to decrease the problems This can be either done by decreasing the harmonics and or taking actions that decrease the negative effects of the harmonics Suggested actions Increase the size of the neutral conductor if the current is abnormally high due to harmonics Install appropriate filters to isolate loads with high current harmonics Install filters to protect to protect loads that are sensitive to voltage harmonics Oversize generators motors and transformers to better cope with harmonics Substitute equipment for equipment
254. ts Description number 0 Entry available This bit is set if the value register contains a valid value 1 Restart This bit is set if a restart occur ed during the interval 2 Interval long This bit is set if the interval was longer than the configured interval This happens if the date and time have been adjusted backwards in time A43 A44 132 2CMC484001M0201 User Manual Revision A Communication with Modbus Bit Contents Description number 3 Interval short This bit is set if the interval was shorter than the configured interval This happens if the date and time have been adjusted forward in time 4 Time change This bit is set if an adjustment to the date and time was made during the interval 5 Bad value This bit is set if the value register contains a doubtful value 6 7 Not used Note Bit 0 in the table above refers to the least significant bit in the register 9 8 1 Reading Load profile General Read the 15 most recent entries Read forward or backwards froma specified date time Readout of load profile is controlled by the Date Time register After writing to the Date Time register the load profile entries are available in the registers of the data block To get the next set of entries the Get next entry register is used Follow the steps in the table below to read the 15 most recent load profile entries Step Action 1 Write a date and time in the future to the
255. ty the tariffs are controlled either via communi cation the internal clock or by 1 or 2 tariff inputs Tariff control via inputs is done by applying a proper combination of voltage or no voltage to the input s Each combination of voltage no voltage will re sult in that the meter will register the energy in a particular tariff register In combined meters with both active and reactive metering both quantities are controlled by the same inputs and the active tariff for active and reactive energy will always be the same The active tariff is displayed on the LCD by the text Tx in the status field where x is the tariff number The active tariff can also be read via communication Input coding meters with 4 tariffs The coding of the inputs is binary The following table describes the default cod ing Input 4 Input 3 Tariff OFF OFF T1 OFF ON T2 ON OFF T3 ON ON T4 2CMC484001M0201 57 A43 A44 Revision A User Manual Technical Description Input coding meters with 2 tariffs The coding of the inputs is binary The following table describes the default cod ing Input 3 Tariff OFF T1 ON T2 5 5 2 Pulse Outputs About pulse outputs Meters equipped with pulse outputs may have up to 4 outputs On the pulse outputs the meter sends out a specified number of pulses pulse frequency per kilowatt hour kilovar for reactive pulse outputs
256. umbering 67 1 05 Harmonic number 68 69 2 XXXX 5 th harmonic in percent with 1 decimal 70 1 02 DIF size 2 byte integer 71 1 FF VIF next byte is manufacturer specific 72 1 EE VIFE voltage harmonics 73 1 FF VIF next byte is manufacturer specific 74 1 8x VIFE phase x 2CMC484001M0201 231 A43 A44 Revision A User Manual Communication with M Bus Byte No Size Value Description 75 1 FF VIF next byte is manufacturer specific 76 1 F8 Extension of manufacturer specific VIFE s next VIFE s used for numbering 77 1 05 Harmonic number 78 79 2 XXXX 5 th harmonic in percent with 1 decimal 80 1 02 DIF size 2 byte integer 81 1 FF VIF next byte is manufacturer specific 82 1 EE VIFE voltage harmonics 83 1 FF VIF next byte is manufacturer specific 84 1 8x VIFE phase x 85 1 FF VIF next byte is manufacturer specific 86 1 F8 Extension of manufacturer specific VIFE s next VIFE s used for numbering 87 1 05 Harmonic number 88 89 2 XXXX 5 th harmonic in percent with 1 decimal 90 1 02 DIF size 2 byte integer 91 1 FF VIF next byte is manufacturer specific 92 1 EE VIFE voltage harmonics 93 1 FF VIF next byte is manufacturer specific 94 1 8x VIFE phase x 95 1 FF VIF next byte is manufacturer specific 96 1 F8 Extension of manufacturer specific VIFE s next VIFE s used for numbering 97 1 05 Harmonic numbe
257. unication 17 Sealing 2CMC484001M0201 Revision A 11 A43 A44 User Manual Product Overview 1 2 Meter Types Main groups The A43 A44 meters are divided into two main groups e Direct connected meters for currents lt 80A Transformer connected meters for currents gt 80A using external current transformers with secondary current lt 6A and optional voltage transformers Subgroups The main meter groups are further divided into subgroups depending on the func tionality of the respective meter Subgroup Functionality Platinum Reactive energy Harmonics Configurable I O except the 690V meter which has fixed I O Advanced clock functions load profiles Basic clock functions Tariff control Previous values Max demand Event log Class 0 5 or Class 1 Tariffs Fixed I O Resettable registers Import export of en ergy Active energy Pulse output alarm Gold Basic clock functions Tariff control Previous values Max demand Event log Class 0 5 or Class 1 Tariffs Fixed I O Resettable registers Import export of energy Active energy Pulse output alarm Silver Class 0 5 or Class 1 Tariffs Fixed I O Resettable registers Import export of energy Active energy Pulse output alarm Bronze Import export of energy Active energy Class 1 Pulse output alarm Steel Active energy Class 1 Pulse output alarm A43 A44 12 2CMC484001M0201 User Manual Revis
258. urations have been read This means step 2 shall be performed the same number of times as the value read in step 1 Note Step 1 initiates the readout procedure and can NOT be left out even if the number of special days used is already known Note The Special day number register can optionally be read together with the Spe cial day registers in step 2 The Special day number register holds the current special day number starting from 1 after reading the Number of special days register It is incremented every time the Special day registers are read A43 A44 User Manual 152 2CMC484001M0201 Revision A Communication with M Bus Chapter 10 Communication with M Bus Overview This chapter describes how to read meter data and to send commands to the meter over M Bus In this chapter The following topics are covered in this chapter 10 1 Protocol Description ssia maaa aaaea a aa 154 10 2 Standard Readout of Meter Data 0 ec eeeeeeeeeeetteeeeeeeeneeeeereeee 172 10 3 Special Readout of Meter Data c cccccccceeceeeeeeeeeeteeeeeaeeaeeeeeees 204 10 4 Sending Data to the Meter 0 0 ecceeeeeeeeeeeeeeeeeeeeeeeeeeeeneeeeeeeeenaees 235 2CMC484001M0201 153 A43 A44 Revision A User Manual Communication with M Bus 10 1 Protocol Description General The communication protocol described in this chapter meets the requirements of EN 13757 2 and EN 13757 3 The communication can be di
259. ured to store up to the three highest or lowest demand values If demand is configured to store only one maximum interval then only the interval with the maximum peak will be re A43 A44 User Manual 66 2CMC484001M0201 Revision A Technical Description Sliding demand corded If demand is configured to store three maximum intervals the intervals with the three highest peaks are recorded A demand channel can also be configured as maximum sliding demand or mini mum sliding demand A sub interval time is set which divides the interval into a circular array with a new mean value calculated at the end of every sub interval The selectable sub interval times for demand is a subset of the interval times and evenly divisible with the selected interval time Selectable Depending on the meter type all or a subset of the following quantities can be quantities selected ACTIVE ENERGY IMPORT TOTAL HARMONIC VOLTAGE L1 ACTIVE ENERGY IMPORT L1 HARMONIC VOLTAGE L2 ACTIVE ENERGY IMPORT L2 HARMONIC VOLTAGE L3 ACTIVE ENERGY IMPORT L3 HARMONIC VOLTAGE L1 L2 REACTIVE ENERGY IMPORT TOTAL HARMONIC VOLTAGE L2 L3 REACTIVE ENERGY IMPORT L1 HARMONIC VOLTAGE L1 L3 REACTIVE ENERGY IMPORT L2 CURRENT L1 REACTIVE ENERGY IMPORT L3 CURRENT L2 APPARENT ENERGY IMPORT TOTAL CURRENT L3 APPARENT ENERGY IMPORT L1 HARMONIC CURRENT L1 APPARENT ENERGY IMPORT
260. urrent 1 0 3 Net Quality Wires L1 L3 Log Reactive Energy Im Phase Voltage Harmonics Cur 1 O 4 System Sta Pulse Output port L1 L3 rent L1 L3 tus Reactive Energy Ex Main Voltage Audit Log 0 port L1 L3 Reactive Energy Net Current Settings Log Alarm L1 L3 Apparent Energy Im frequency About Currency CO port L1 L3 Apparent Energy Ex Power Factor RS 485 port L1 L3 Apparent Energy Net Phase Angle IR Side L1 L3 Power Active Energy Import Phase Angle Volt Wireless Tariff age Active Energy Export Tariff Phase Angle Cur rent Upgrade Consent Reactive Energy Im Current Quadrant Pulse LED port Tariff Reactive Energy Ex Tariff port Tariff Resettable Active En ergy Import Total Previous Values Resettable Active En ergy Export Total Load profiles Resettable Reactive Energy Import Total Demand Resettable Reactive Energy Export Total Resettable regis ters Currency CO 2CMC484001M0201 31 A43 A44 Revision A User Manual User Interface A43 A44 32 2CMC484001M0201 User Manual Revision A Chapter 4 Meter Settings Overview In this chapter This chapter gives an overview of the meter settings and configuration options The following topics are covered in this chapter 4 1 Settings and Configurations 0 0 0 eccecceeeeeeeeeeetneeeeeeeeceeeeeeeaeeeeeees 34 4 AVA SOtting Date er A AA E
261. urs 6 8 Input Counter 2 Inp Ctr 2 1 hours 7 8 Input Counter 3 Inp Ctr 3 1 hours 8 8 Input Counter 4 Inp Ctr 4 1 hours 4 Configure the desired channels When a configuration has been made a reset may be required in order to perform a new configuration To reset the intervals toggle down to the reset page and perform a reset the same way as performing a setting 4 1 16 Setting Demand The demand function enables measuring of up to 50 values channels Step 1 6 are general for the function and step 7 9 are specific for each channel To set the demand perform the following steps 1 Choose the Settings icon in the main menu press 2 Choose Demand Demand on the display press 3 Set the period The available choices are day week and month If choosing day the starting point will be now and the ending point will be 00 00 If choosing month the starting point will be now and the ending point will be the first of next month at 00 00 If choosing week the starting point will be A43 A44 44 2CMC484001M0201 User Manual Revision A ON NN now and the ending point will be the set day at 00 00 If choosing week press 7 to get to the page where the day is set Press Set the interval that shall be measured Press 7 to continue Set the subinterval that shall be measured Press 7 to continue Set if the previous settings shall be reset Press 7 to continue Set the quantity
262. ve import energy value 15 hex indicating data not available 4e 84 15 00 00 00 00 00 00 4e 84 15 00 00 00 00 00 00 4e 84 15 00 00 00 00 00 00 4e 84 15 00 00 00 00 00 00 4e 84 15 00 00 00 00 00 00 4e 84 15 00 00 00 00 00 00 4e 84 15 00 00 00 00 00 00 4e 84 15 00 00 00 00 00 00 4e 84 00 39 58 17 00 00 00 Total Active import energy 1758 39 kwh 4e 84 00 39 58 17 00 00 00 Total Active Import Energy 1758 39 kwh 4e 84 00 39 58 17 00 00 00 Total Active Import Energy 1758 39 kwh If le 16 Sending Request User Data 2 2CMC484001M0201 Revision A 211 A43 A44 User Manual Communication with M Bus 10 5b fe 59 16 Data block 2 68 80 80 68 08 00 72 00 00 00 00 42 04 10 02 19 2a 00 00 44 ed eb 00 30 00 69 11 Date and Time MBus data type F format 9th January 2011 01 fd a5 00 01 Interval length 1 minute 4e 84 00 39 58 17 00 00 00 Total Active Import Energy 1739 58 kwh 4e 84 00 39 58 17 00 00 00 Total Active Import Energy 1739 58 kwh 4e 84 00 39 58 17 00 00 00 Total Active Import Energy 1739 58 kwh 4e 84 00 39 58 17 00 00 00 4e 84 00 39 58 17 00 00 00 4e 84 00 39 58 17 00 00 00 4e 84 00 39 58 17 00 00 00 4e 84 00 39 58 17 00 00 00 4e 84 15 00 00 00 00 00 00 4e 84 15 00 00 00 00 00 00 4e 84 15 00 00 00 00 00 00 1f 23 16 1f at the end of the 2nd telegram indicates there are more frames to follow 10 3 2 Readout of Demand Data Read request A read request is performed by sending the following SND_UD to
263. vel set Note Before sending the command an NKE should be sent If the meter is in the middle of a special data readout process it will not respond to the set date and time command Byte No Size Value Description 1 1 68 Start character 2 1 OB L field calculated from C field to last user data 3 1 0B L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 0E DIF size 12 digit BCD 9 1 6D VIF time date 10 15 6 XXXXXXXXXXXX Time and date sec min hour day month year 16 1 XX CS checksum calculated from C field to last data 17 1 16 Stop character It is also possible to set date time using the M Bus data type F Byte No Size Value Description 1 1 68 Start character 2 1 09 L field calculated from C field to last user data 3 1 09 L field repeated 2CMC484001M0201 247 A43 A44 Revision A User Manual Communication with M Bus Byte No Size Value Description 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 04 DIF size 32 bit integer 9 1 6D VIF time date 10 13 1 XXXXXXXX Time and date Min hour day month year coded ac corded to M Bus data type F e Minutes in bits 0 5 Valid values 0 59 e Hours in bits 8 12 Valid values 0 23 e Day in bits 16 20 Valid
264. vided in two parts One part is reading data from the meter and the other part is sending data to it The data readout procedure starts when the master sends a REQ _UD2 telegram to the meter The meter responds with a RSP_UD telegram A typical readout is a multi telegram readout Some data in the meter can only be read by first sending a SND_UD followed by REQ UD2 This is true for load profiles demand and log files Using SND_UD telegrams data can be sent to the meter Communication The following quantities can be read by sending a REQ _UD2 to the meter objects Register Communication objects Active import energy total Total cumulative active imported energy Active import energy tariff 1 Cumulative active imported energy tariff 1 Active import energy tariff 2 Cumulative active imported energy tariff 2 Active import energy tariff 3 Cumulative active imported energy tariff 3 Active import energy tariff 4 Cumulative active imported energy tariff 4 Reactive import energy total Total cumulative reactive imported energy Reactive import energy tariff 1 Cumulative reactive imported energy tariff 1 Reactive import energy tariff 2 Cumulative reactive imported energy tariff 2 Reactive import energy tariff 3 Cumulative reactive imported energy tariff 3 Reactive import energy tariff 4 Cumulative reactive imported energy tariff 4 Active export energy to
265. write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 09 L field calculated from C field to last user data 3 1 09 L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 Co DIF size no data storage number 1 9 1 Co DIFE unit 1 10 1 40 DIFE unit 2 11 1 FD VIF extension of VIF codes 12 1 9B VIFE digital input 13 1 07 VIFE clear 14 1 XX CS checksum calculated from C field to last data 15 1 16 Stop character Reset of stored state for input 4 is performed by sending the following command all values are hexadecimal The command is not affected by the write protection level set Byte No Size Value Description 1 1 68 Start character 2 1 OA L field calculated from C field to last user data 3 1 OA L field repeated 4 1 68 Start character 5 1 53 73 C field SND_UD 6 1 XX A field address 7 1 51 Cl field data send LSB first 8 1 Co DIF size no data storage number 1 9 1 80 DIFE unit 0 10 1 80 DIFE unit 0 11 1 40 DIFE unit 4 12 1 FD VIF extension of VIF codes 13 1 9B VIFE digital input 14 1 07 VIFE clear 15 1 XX CS checksum calculated from C field to last data 16 1 16 Stop character 2CMC484001M0201 241 A43 A44 Revision A User Manual Communication with M Bus 10
266. xt VIFE s used for numbering 107 1 05 Harmonic number 108 109 2 XXXX 5 th harmonic in percent with 1 decimal 110 1 1F DIF more records will follow in next telegram 111 119 9 000000000 PAD bytes 000000000 120 1 XX CS checksum calculated from C field to last data 121 1 16 Stop character 2CMC484001M0201 227 A43 A44 Revision A User Manual Communication with M Bus Example 2 readout of harmonic data starting from phase 2 System sends harmonic data read request command 68 08 08 68 73 FE 51 01 FF 9 1B 02 D8 16 Meter sends out acknowledge E5 System sends out request UD2 10 7Bb FE 79 16 Meter sends out data telegram 68 73 73 68 08 00 72 89 34 29 00 42 04 06 02 2E 00 00 00 Data header 02 FF ED FF 82 FF f8 00 1A 05 Total current harmonic distorsion for phase 2 130 6 02 FF ED FF 82 FF f8 02 06 00 32 nd current harmonic distorsion for phase 2 0 6 02 FF ED FF 82 FF F8 03 70 03 3 rd current harmonic distorsion for phase 2 88 0 02 FF ED FF 82 FF F8 04 05 00 02 FF ED FF 82 FF F8 05 CC 02 02 FF ED FF 82 FF F8 06 07 00 02 FF ED FF 82 FF 8 07 Ob 02 02 FF ED FF 82 FF F8 08 09 00 02 FF ED FF 82 FF f8 09 80 01 iF Dif 1F gt More harmonic data exist 00 00 00 00 00 00 00 00 00 C6 16 System sends out request UD2 10 7B FE 79 16 Meter sends out data telegram 68 73 73 68 08 00 72 89 34 29 00 42 04 06 02 2F 00 00 00 Data header 02
267. y one at a time it is recommended that the harmonic mea surement results of the meter is used as a tool to detect presence of harmonics and not as an exact instrument to get exact results Measuring harmonics require a valid frequency measurement If the frequency measurement is uncertain the harmonic measurement will not be performed To get a valid measurement the meter uses a retry scheme If the retry scheme does not give a valid measurement the harmonic will be marked as not available A43 A44 User Manual 54 2CMC484001M0201 Revision A Technical Description Accuracy The accuracy of the current harmonics varies with the harmonic amplitude and is valid only provided there is no harmonics above the 16th harmonic Harmonic 1 lt 5 lt 10 lt 20 lt 50 lt Number Distortion lt Distortion lt Distortions Distortion lt Distortion lt 5 10 20 50 100 2 0 5 1 0 2 4 6 3 0 7 1 5 3 6 9 4 1 0 2 0 4 8 12 5 1 2 2 5 5 10 15 6 1 5 3 0 6 12 18 7 1 7 3 5 7 14 21 8 2 0 4 0 8 16 24 9 2 5 5 0 10 20 30 10 2 5 5 0 10 20 30 11 2 5 5 0 10 20 30 12 2 5 5 0 10 20 30 13 2 5 5 0 10 20 30 14 2 5 5 0 10 20 30 15 2 5 5 0 10 20 30 16 2 5 5 0
268. y settings in the meter such as date time to control output and to reset values such as power fail counter It is possible to write up to 123 consecutive registers in a single request This means that several settings can be modified and or several reset operations can be performed in a single request Request frame A request frame has the following structure Slave Function Start No of Byte Register Error Address Code Address Registers Count Values Check Example of a The following is an example of a request set Date Time to November 11 2010 request 12 13 14 Slave address 0x01 Function code 0x10 Start address high byte Ox8A Start address low byte 0x00 No of registers high byte 0x00 No of registers low byte 0x03 Byte count 0x06 Value of register Ox8A00 high byte Ox0A Value of register Ox8A00 low byte 0x0B Value of register 0x8A01 high byte 0x0B Value of register 0x8A01 low byte 0x0C Value of register Ox8A02 high byte 0x0D Value of register Ox8A02 low byte Ox0E Error check CRC high byte 0x8C Error check CRC low byte 0x82 In this example the master sends a write request to the slave that has the Modbus address 1 The first register to write is Ox8A00 and the number of registers to write is 0x03 This means that the registers 0x8A00 to 0x8A02 are written Register 0x8A00 is set to the value OxOAOB and so

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