KW7M Eco-POWER METER User's Manual
Contents
1. N b Power alarm setting mode It is only when AL P is selected on unit for pulse output setting mode Display changes to set an alarm value after AL P is displayed at the upper line for 1 sec Set electric power for alarm using lt ITEM A gt lt SHIFT V gt 0 00 to 999999 99 Panasonic w7m Panasonic w7M V A kW kWh V A kW kWh LUG CHARGE LXFCHARGE Se Oe mo DDD A mm uS Gn LOCK T R OUT LOCK T R OUT _ bt 0 t td After 1 sec fof ot X lt ITEM A gt uS V VN Eco POWER METER Eco POWER METER lt SHIFT V gt lt SET gt Current alarm setting mode It is only when AL P is selected on unit for pulse output setting mode Set current ratio for the rated current for alarm using lt ITEM A gt lt SHIFT V gt 1 0 to 100 0 lt ITEM A gt lt SHIFT V gt Eco POWER METER lt SET gt KW7M Eco POWER METER Display changes to set an alarm value after AL S is displayed at the upper line for 1 sec Set a ratio for the rated current of current used for threshold value to judge stand by power using ITEM A SHIFT V gt Panasonic ky7m Panasonic w7M Vv A kW kWh 1 0 to 100 0 V A KW kWh Lig CHARGE Lig CHARGE After 1 sec Eco POWER METER lt SET gt Stand by alarm setting mode 2 It is only when AL S is selected on unit for pulse output setting mode Set a time used for threshold value to judge stand by power us2. ITEM A SHI Eco POWER METER Eco POWER METER Eco POWER METER 1P2W Single phase 2 wire 1P3W Single phase 3 wire 3P3W Three phase 3 wire J lt SET gt KW7M Eco POWER METER CT type setting mode Press lt ITEM A gt lt SHIFT V gt to change 50 100 gt 250 400 5 Panasonic KVWIM TP e E Eco POWER METER ITEM SHI Eco POWER METER Eco POWER METER Set primary side current of CT using lt ITEM A gt lt SHIFT V gt If primary current of measured CT is 100A secondary is 5A set to 100 If it is 5A set to 5 1 to 4000 Initial 5 lt SET gt Set VT ratio using lt ITEM A gt lt SHIFT V gt If the VT is 440 110 set to 4 00 1 00 to 99 99 Set cutoff current using lt ITEM A gt SHIFT V gt If you don t measure the current under 10 0 F S set to 10 0 1 0 to 50 0 lt SET gt gt lt p gt lt p Eco POWER METER Eco POWER METER V A kW kWh La CHARGE ITEM A lt SHIFT V gt LOCKO T R OUT V A kW kWh Lah CHARGE lt ITEM A gt lt SHIFT V gt Eco POWER METER KW7M Eco POWER METER Unit for pulse output setting mode Press lt ITEM A gt SHIFT V gt to change 0 001 0 01 0 1 1 10 100 AL P Power alarm AL C Current alarm AL S Stand by alarm SHI SHI al SHI Y Y Eco POWER METER Eco POWER METER Eco POWER METER Panasonic KW7M v A kw V A kW Lap CHARGE j OUT
3. current 1 to 4000A Set with setting mode Use CT with secondary side current of 5A when measure 400A or more Cut off current 1 0 to 50 0 F S Primary side rating 34 yq o gt _ _ _ _ __ ae KW7M Eco POWER METER Instantaneous electric power Integral electric power Within 2 0 96 F S 1 digit at 20 C rated input rated frequency power factor 1 In case of 5 A CT mode within 2 5 96 F S 1 digit Accuracy coverage 5 to 100 of rated current Basic accuracy Within 1 0 96 F S 1 digit In case of 5 A CT mode within 2 5 96 F S 1 digit Accuracy at 20 C rated input rated frequency power factor 1 without error Accuracy coverage 5 to 100 of rated current in CT and VT Within 1 0 96 F S 1 digit at 20 C rated input rated frequency power factor 1 Within 1 0 96 F S 1 digit In case of 5 A CT mode within 1 5 96 F S 1 digit Range of 10 to 50 C 14 to 122 F rated input power factor 1 Within 1 0 96 F S 1 digit Frequency In case of 5 A CT mode within 1 5 96 F S 1 digit characteristics Frequency change 5 96 based on rated frequency rated input power factor 1 8 3 Pulse output Transistor output Specifications Number of output point Temperature characteristics Insulation method Optical coupler Output type Open collector Output capacity 100mA 30V DC Pulse width approx 100ms ON state BONN drop 1 5V or less
4. 00 03E8H lt lt lt Slave Function Number of Number of Error check Eee address code response byte data CRC 16 Eoo E TA 01H 03H 02H 03E8H B8FAH I O 1 1 1 2 2 character number 2 Setting electricity rate 0032H of address 1 When rate is set to 20 00 2000 O7DOH Command i Slave Function Data item Number of Error check 3 e rs address code data CRC 16 AE rs AR 01H 06H GENE 07DOH aBA9H 1 1 2 2 character number Response message from slave in normal status M Slave Function Data item Number of Error check 3 das address code data CRC 16 Ak INCA 01H 06H at 07DOH 2BA9H 1 1 2 2 character number KW7M Eco POWER METER 3 Reset integral electric power 0064H 0065H 2 word of address 1 When setting to 0 0000 0000H Command i Slave Function Data item Number of Number of 3 5 idle dd d data item to d characters a M Bon 0064H write ARI SA 0002H character number Data 1 Data 2 Error check 3 5 idle CRC 16 characters 0000H 0000H F474H 2 2 2 character number Response message from slave in normal status Number of i 3 5 idle Slave Function Data item Haa emo Error check 3 5 idle characters pes n 0064H write oan characters NT 0002H character number A response message from the slave in exception e
5. 5A set to 400 VT ratio setting mode VT Mode defines voltage input method to the main unit input voltage directly or uses a voltage transformer VT over 240V AC t can be set the range of 1 00 to 99 99 1 00 should be set when voltage input directly without connecting VT 1 01 7 99 99 should be set when VT is used to input voltage ex If the VT is 440V 110V set to 4 00 Cutoff current setting mode CUTA t can be set the range of 1 0 to 50 0 ex When set to 10 0 current under 10 0 F S is not added c nit for pulse output setting mode Power PL P Mode defines unit used for pulse output Select from 0 001 0 01 0 1 1 10 100kWh AL P AL C AL S When one of the 0 001 0 01 0 1 1 10 100 kWh is set one pulse is output at reaching the setting value When AL P is set alarm is output at the time when instantaneous electric power is over the setting value When AL C is set alarm is output at the time when current is over the setting value When AL S is set alarm is output at the time when current is under the setting value and it passes the setting time T ower alarm setting mode AL P Only when AL P is selected on unit for pulse output setting mode Mode defines instantaneous electric power used for alarm output t is set the range of 0 00 to 999999 99kW 10 esl KW7M Eco POWER METER Current alarm setting mode AL C Only when AL C is selecte
6. January 2012 ARCT1F434E 4 5 edition Improve spec Improve the accuracy Add functions 600ACT input July 2013 ARCT1F434E 5 6 edition Company name change Please contact Panasonic Industrial Devices SUNX Co Ltd IM Overseas Sales Division Head Office 2431 1 Ushiyama cho Kasugai shi Aichi 486 0901 Japan IH Telephone 81 568 33 7861 W Facsimile 81 568 33 8591 panasonic net id piddsx global About our sales network please visit our website O Panasonic Industrial Devices SUNX Co Ltd 2013 Specifications are subject to change without notice ARCT1F434E 5
7. Master Slave Command Response with data When master sends reading command slave responds with the NNNM Data corresponding set value or current status e Acknowledgement Command When master sends setting command slave responds by sending Acknowledgement the acknowledgement Command Negative acknowledgement Negative When master sends a non existent command or value out of the setting acknowledgement range the slave returns negative acknowledgement No response Command Slave will not respond to master in the following cases Global address FF MEWTOCOL is set Broadcast address 00H Modbus protocol is set e Communication error framing error parity error CRC 16 discrepancy Modbus RTU mode No response lt 7 2 Communication timing V The minimum access time from the master is 1 sec Minimum time for update the data Eco POWER METER may not response due to noise and so on be sure to check that it receives the response from Eco POWER METER In order to improve the communication quality we recommend to send the transmission again Communication timing of RS 485 C Eco POWER METER Slave side When Eco POWER METER Slave starts transmission to RS 485 communication line it is arranged so as to provide an idle status transmission period of about 1 to 99ms setting available before sending the response to ensure the synchronization on the receiving side After sending the response master can disconnec
8. OFF state OFF state leakage current current 1001 A or less 0 001 0 01 0 1 1 10 100kWh Pulse output unit Power alarm AL P Current alarm AL C Stand by alarm AL S Selectable is setting mode We recommend the setting of minimum unit for pulse output for measurement shown as below Output pulse 4 pulses or less per 1sec Unit for pulse output PL P Max measurement power kW 7 3600 s x 4 pulse s Note 1 Improper unit setting may cause miss counting 2 If the OFF time is too short there is a possibility of counting errors KW7M Eco POWER METER 8 4 Communication Specifications 99 max 8bit 7bit selectable with setting mode Transmission Not available Odd number Even number Format selectable with setting mode 1bit fixed Communication method Half duplex Synchronous system Synchronous communication method Transmission line Twisted pair cable with shield or VCTF approx 120 Q built in Terminal E and terminal is shorted when ending 1 Please check with the actual devices when some commercial devices with RS485 interface are connected The number of connected devices transmission distance and transmission speed may be different according to using transmission line 2 For RS485 converter on the computer side we recommend SI 35 and SI 35USB from LINE EYE Co Ltd 3 When using SI 35 SI 35USB or PLC from our company which can be connected up to 99 units up to 99 Eco
9. Transformer CT One CT is needed when measuring 1P2W Two CTs are needed when measuring 1P3W 3P3W Using all CTs for one Eco POWER METER should be the same Check beforehand that the thickness of the electric wire is smaller than the through hole of the CT When connecting CT connect the secondary side to the terminal of the main unit first and after that wire the primary side to a load electric wire Incorrect order might cause an electric shock or break CT The CT has polarity Wire correctly according to the K and L marks Wrong direction can t measure correctly When closing CT check that there is no foreign materials on the divided face And make sure it is closed securely once the wire is in place if not the measurement value will be not accurate When CT s cable is extended it is possible to extend up to about 10m with the cable of AWG 22 or more cross section under the environment without noise at all Please use the thick cable as much as possible Please check beforehand with the actual system in case of extending the cable If there is some distortion by harmonic or waveform it may not measure correctly Please check with the actual system before adopting it Separate the wiring strong electric part of the measured voltage input terminal operating power supply terminal from the CT cable It may not satisfy the accuracy due to noise lt gt To connect CT with secondary side current 5A How to connect for measuring
10. Wipe dirt of the main unit with soft cloth etc When thinner is used the unit might deform or be discolored I Power supply Connect a breaker to the voltage input part for safety reasons and to protect the device The breaker that connects to the voltage input part must arrange at the position easily reached and display shows it is the breaker of the equipment Do not turn on the power supply or input until all wiring is completed IH Before power on Please note the following points when turning on power at the first time Confirm there are neither wiring rubbish nor especially an electrical conduction when installed Confirm neither the power supply wiring the I O wiring nor the power supply voltage are wrong Tighten the installation screw and the terminal screw surely Use an electric wire applicable to the rated current KW7M Eco POWER METER Chapter 1 Unit s Features and Structure 1 1 Features MKW7M Eco POWER METER is a watt meter of DIN rail installation type Electric power voltage current etc are measured using AC voltage and AC current input via one of the following systems MEco POWER METER is designed chiefly to manage saving energy It is neither intended nor can it be legally used for billing 1 2 Unit s Name and Model Numbers 1 2 1 Main unit Phase and Wire system Rated input Current transformer Terminal type Model No Single phase two wire system Single phase three wire system 100 200V AC Dedic
11. current transformers CT are dedicated for low voltage under 440V They can not be used for high voltage circuit In case measuring high voltage circuit make a 2 step construction by combination of a commercial CT of secondary side current 5A for high voltage and the dedicated CT for 5A 37 KW7M Eco POWER METER Chapter 9 Mounting 9 1 Dimensions Unit mm Clearance 21 0 9 1 1 Main unit DIN rail KW7M Eco POWER METER 9 1 2 Dedicated CT For 5A 50A AKW4801C TH Plug housing SLP 02V JST Mfg Co Ltd Socket contact SSF 21T P1 4 JST Mfg Co Ltd 5 O 20 V For 100A AKW4802C Plug housing SLP 02V JST Mfg Co Ltd Socket contact SSF 21T P1 4 JST Mfg Co Ltd KW7M Eco POWER METER 4 V For 250A AKW4803C 2 6 Black White k L o e e e CN Y Plug housing SLP 02V JST Mfg Co Ltd Socket contact SSF 21T P1 4 JST Mfg Co Ltd Applicable connector Receptacle housing SLR 02VF JST Mfg Co Ltd Pin contact SSM 21T P1 4 JST Mfg Co Ltd For 400A AKW4804C 2 6 Black Plug housing SLP 02V JST Mfg Co Ltd Socket contact SSF 21T P1 4 JST Mfg Co Ltd Applicable connector Receptacle housing SLR 02VF JST Mfg Co Ltd Pin contact SSM 21T P1 4 JST Mfg Co Ltd KW7M Eco POWER METER For 50 100A AKW4506C i 160 20 White k AWG 22 Plug
12. is returned MSB of original function code is set as 1 for response For example when the master sends request message setting 00H to function code by mistake slave returns 80H by setting MSB to 1 because the former is an illegal function For negative acknowledgement the exception codes below are set to data of response message and returned to master in order to inform it of what kind of error has occurred 1 01H Illegal Function Non existent function 03H 3 03H Illegal data value Value out of the devise numbers note1 Even if it commands to write 06H 10H to non existent data address slave response with acknowledgement However it doesn t write note2 Even if it commands to write the value out of the setting range slave response with acknowledgement However it doesn t write note3 The maximum number of reading slaves is 26 57 bytes the maximum number of writing slaves is 23 55 bytes KW7M Eco POWER METER Data Data depends on the function code A request message from the master side is composed of data item number of data and setting data A response message from the slave side is composed of number of bytes data and exception code in negative acknowledgement Error check 16 bit data to detect communication errors Refer to the next Acknowledgement response When command is to write 1 point same massage of command is responded When command is to write several points part of command message 6 b
13. pressing lt SET gt key makes integral electric power clear Reset 6 3 Instantaneous electric power It displays the Instantaneous electric power kW SEE En d Lighting KW7M Eco POWER METER 6 4 Current It displays the current value of the load Press SHIFT V gt to change L1 CT1 phase current to L2 CT2 phase current Before start measuring select phase and wire system according to the measured load When Single phase 3 wire or Three phase 3 wire is selected it doesn t measure Single phase 2 wire system correctly Select phase and wire system according to the measured system Refer to the explanation of setting mode L1 CT1 phase current A L2 CT2 phase current A A En Lighting Lighting SHIFT V 2990909 When input current exceeds 150 F S at each range J will be displayed in the lower line Current measurement parts Eco POWER METER measures the current as below L1 CT1 A L2 CT2 A Single phase two wire 1 L1 phase current Pw 1 R Single phase three wire R phase current 3 T phase current Three phase three wire 1 R phase current 3 T phase current 6 5 Voltage lt displays the voltage value of the load Press SHIFT V gt key to change voltage between 1 and 2 to 2 and 3 X Before start measuring select phase and wire system according to the measured load When Single phase 3 wire or Three phase 3 wire is selected it doesn t measure
14. 0060 Type Type band 5 50 100 250 400 1 0 001 10 0 01 100 0 1 1000 1 10000 10 100000 100 DT00061 999 Instantaneous electrical energy Unit for Values of DT00064 and 00065 Pulse output Sign less 32bit are applied R W 777 Ratio for current alarm Value of DT00069 333 Ratio and time for Stand by alarm Value of DT00077 00078 DT00063 current value Sign less 16bit 1 to 4000 when CT 5A Alarm value Instantaneous 1kW Sign less 32bit 0 to 99999999 DT00065 ect power 0 0 DT00066 Sign less 16bit 100 to 9999 DT00068 Cutoff current Sign less 16bit 10 to 500 Ratio for stand by 5 ED oe zz DT00170 Voltage DT00171 cineca tango 0 1V Sign less 32bit 0 to 99999 DT00172 Voltage WEE ao em meme m DTOO176 DTOO176 Instantaneous Tum II ES Note1 R Read W Write 2 Data register except specified is 0 3 If each setting value is wrote by communication it memories to internal EEP ROM at the same time Therefore change setting frequently makes EEP ROM s life short Avoid to usage like this 4 Write a data within the range when you write it KW7M Eco POWER METER 7 3 3 Error Codes Basic procedure errors a code Error name Explanation Bcc error A Bcc error occurred in the command data A command message was sent that does not fit the transmission 41H Format error RUNE 42H No support error A command was sent that is not supported 43H Procedure eroi Delimiter with multiple fra
15. 3 5 character transmission time or more Message configuration RTU mode is configured to start after idle time processing of more than 3 5 character transmissions and end after idle time processing of more than 3 5 character transmissions S9 5ide Slave Function Data Error check 3 5idle characters address code CRC 16 characters 8 bit 8 bit bits 16 bit Master judges the transmission complete after no command for 4 characters idle time and process the command Transmission speed and judgement time to complete transmission 38400 about 1 00 19200 about 2 00 9600 about 4 00 4800 about 8 00 2400 about 16 00 Slave address Slave address is an individual instrument number on the slave side and is set within the range 1 to 99 01H to 63H Master identifies slaves by the slave address of the requested message Slave informs master which slave is responding to master by placing its own address in the response message Slave address O 00H broadcast address can identify all slaves connected However slaves do not respond Function code Function code is command code for the slave to undertake the following action types Contents Function code is used to discern whether the response is normal acknowledgement or if any error negative acknowledgement has occurred when slave returns response message to master When acknowledgement is returned slave simply returns original function code When negative acknowledgement
16. EN 61010 1 IEC61010 1 secure basic insulation or more with load side and reinforced double insulation with communication system side 2 Provide the voltage input part with an EN60947 1 or EN60947 3 compliant circuit breaker The breaker that connects to the voltage input part must arrange at the position easily reached and display shows it is the breaker of the equipment 3 Use a wire with basic insulation or more for a wire cramped or connected CT Environmental conditions Overvoltage category II Pollution degree 2 Indoor use An ambient temperature of 10 to 50 C An ambient non condensing humidity of 35 to 8596 RH at 20 C Altitude of 2000m or less Mount the product in a place with A minimum of dust and an absence of corrosive gases No flammable explosive gasses Few mechanical vibrations or shocks No exposure to direct sunlight No large capacity electromagnetic switches or cables through which large current is flowing 7 esl KW7M Eco POWER METER Chapter 4 Settings 4 1 Operation procedure Basic setting to measure When wiring Eco POWER METER and CT and setting mode 1 after power on Eco POWER Meter can measure the electric power In order to use the other functions set mode2 and 3 according to your use MODE1 Mode for setting each parameter for power measurement Monitor Display when power on lt MODE gt Setting mode Mode 1 Panasonic kwh an J CHASE i LiH TA CRI
17. METER Set the response time using lt ITEM A gt lt SHIFT V gt 1to 99 ms initial 5 lt ITEM A gt lt SHIFT V gt KW7M Eco POWER METER 4 2 3 MODES3 Mode for setting of each parameter for optional function Auto off setting mode OFF Display LED turns off automatically when there is no key operation for a long time Off time can be set the range of 0 to 99min 0 is set if you want to turn always light on 1 to 99 is set if you want to turn light off at setting time After turns off the backlight any key operation makes it turns on After turns off the backlight one decimal point at the right end is blinking MODES Setting flow chart J MODE MODE 1 display J lt ITEM A gt MODE 2 display J lt ITEM A gt MODES display JL lt SET gt Auto off setting mode Set auto off time by minute using ITEM A SHIFT V 0 to 99 0 is set to turn always light on 1 99 is set to turn light off at setting time minute While light off press any key to light on KW7M Eco POWER METER Chapter 5 Various Functions 5 1 LOCK mode It is the mode makes all keys unable Use when you want to fix one of the measurement displays For all displays In this mode you can not input by any keys When you press SET continuously for about 3sec the LOCK is displayed and the indicator lights After about 3 sec LOCK is disappeared and the display shift to previous displ
18. POWER METER can be connected In case using this system with the other devices up to 31 Eco POWER METER can be connected 4 With MODBUS RTU protocol it works only with 8bit Ending resistance 8 5 Self diagnostic function If an error occurs the following indication will be given Output status ERRO OFF Turn the power off and then on again ERR EEP ROM life ended Replace the unit Includes the possibility that the EEP ROM s life has expired 8 6 Power Failure Memory Eco POWER METER memories integral electric power and working status to internal EEP ROM until when power supply is off power failure guarantee And every time to change each setting each setting value is memorized to internal EEP ROM at the same time Therefore change setting frequently makes EEP RONM s life short Avoid to usage like this Especially be careful if you set by communication 8 7 Applicable standard Safety standard EN61010 1 EN61010 1 ss EN61326 1 Noise terminal voltage CISPR11 class A Static discharge immunity EN61000 4 2 RF electromagnetic field immunity EN61000 4 3 EMC EFT B immunity EN61000 4 4 EMS Surge immunity EN61000 4 5 EN61326 1 Conductivity noise immunity EN61000 4 6 Power frequency magnetic field immunity EN61000 4 8 Voltage dip Instantaneous stop EN61000 4 11 Voltage fluctuation immunity 36 i a gt gt gt ASE AE AE EA AXAEQE_AAARR pe siad KW7M Eco POWER METER 8 8 Dedicated Current Transfor
19. Panasonic KW 7IV Eco POWER METER User s Manual ARCT1F434E 5 2013 7 panasonic net id pidsx global KW7M Basic setting to measure by Eco POWER METER When wiring the main unit and the current transformer CT and setting the mode 1 after power on you can measure the power In order to use the other functions the settings of the each parameter are necessary What to do Mount Connection Settings Check measured data with power Measure Power E monitoring mode 3113 els S18 S 5 Set alarm D Wire output 0 Check alarm Output Alarm 3 en 2 2 Output output D 3 MODE1 3 D p S gt S s Check measured data via communication 4 device Set communication setting Wire communication line Collect data via RS485 Cautions for Your Safety Read the manual carefully before installing running and maintenance for proper operation Before using master the knowledge of the equipment safety information and all of other notes This manual uses two safety flags to indicate different levels of danger A handling error could cause serious physical injury to an operator and in the worst case could even be fatal O Always take precautions to ensure the overall safety of your system so that the whole system remains safe in the event of failure of this product or other external factor O Do not use this product in area
20. Single phase 2 wire system correctly Select phase and wire system according to the measured system Refer to the explanation of setting mode Voltage between 1 and 2 Voltage between 2 and 3 T V 1 sE ES Lightin Lighting abi SHIFT V SHIFT V Eco POWER METER 50607 8 9 When input voltage exceeds 150 F S at each range I i imi will be displayed in the lower line 23 KW7M Eco POWER METER Voltage measurement parts Eco POWER METER measures the voltage as below Voltage between 1 and 2 R phase R phase T phase Between R and S line Between S and T line 6 6 Electricity Charge lt displays the standard electricity charge for the integral electric power Single phase two wire E Electricity Charge IU ES CHARGE Blinking Lab CHARGE emm x LOCK T R OUT ITEM A SHI z Eco POWER METER 900009 When the value exceeds 99999999 will be displayed 6 7 Display when LED turns off Last decimal point is blinking when LED turns off automatically Refer to the Setting Mode Explanation for setting in detail Decimal point Rightmost Eco POWER METER pooo KW7M Eco POWER METER Chapter 7 MEWTOCOL Communications 7 1 Communication Procedures Communication starts with command transmission from the host computer hereafter Master and ends with the response of Eco POWER METER hereafter Slave
21. T lt SET gt CT type setting mode When select CT T BA Primary side current of When select CT setting mode other than 5A lt SET gt CT 1 SET Cutoff current setting mode CUTA lt SET gt Unit for pulse output setting mode PL P When select AL P When select AL C When select AL S When select SSE Values lt SET gt Electricity rate setting mode RATE SET gt Press lt MODE gt to return Monitor Note Press MODE and SET at the same time the setting will be initialized KW7M Eco POWER METER Mode 2 Mode for setting of each parameter for serial communication Mode 3 Mode for setting of each parameter for optional function Monitor Display when power on MODE Setting mode Mode 1 Panasonic kw7M Mode 2 EWW kWh PARAS A HARE Aa Lex K TR CRIT Panasonic Kyi Mode 3 Panasonle KVM ITEM ITEM E9 c SHIF ZN JA e V Eco POWER METER SET SET Refer to the Protocol setting mode Auto off setting mode previous page PROT OFF Y Eco POWER METER lt SET gt Station number setting mode NO lt SET gt Transmission speed setting mode SPD lt SET gt Transmission format setting mode FMT lt SET gt Response time setting mode RESP lt SET gt Note Press lt MODE gt and SET at the same time the setting will be initialized Pres
22. When the measured load is satisfied the setting conditions pulse output transistor output turns on in order to notice When it exceeds the setting value it turns off and reset it You can reset the alarm by pressing SET with the instantaneous electric power display Working flow chart KW Normal working Output turns ON O m om ki Stand by mode SaaS 0 Time Min KW7M Eco POWER METER Chapter 6 _Display of each Value 6 1 Outline for the Working of Monitor Display ITEM A Integral Instantaneous Electricity Electi power gt etse Jm Cage L1 CT1 phase Voltage current between 1 and 2 Eco POWER METER TEM SHIF SHIF Li X L2 CT2 phase Voltage Eco POWER METER current 2206 between 2 and 3 EcoPOWER METER 50607 8 9 22290 E 11 0 tt R SA SHI SET Eco POWER METER Eco POWER METER 29009 220009 21 KW7M Eco POWER METER 6 2 Integral electric power lt displays the integral electric power kWh kWh ES Lighting Integral electric power is measured and displayed from 0 00kWh to 9999999 9kWh The decimal point is changed automatically kWh kWh kWh kWh M gt 999999 99 1000000 0 gt 9999999 9 B After reaching the full scale 9999999 9kWh the value reverts to 0 00kWh but continues to measure How to reset the integral electric power Press lt MODE gt key while
23. ach setting value To select measured display To shift each mode To change each setting value Reset the measured value MODE All keys locked about 3 sec Release lock mode while in lock mode KW7M Eco POWER METER Chapter 3 Wiring 3 1 Main unit terminal arrangement Be sure to wire correctly according to the terminal arrangement and wiring diagrams com mon SHIF Eco POWER METER epus Quse RS 485 CT1 7 S CT2 A The input voltage to each terminal is as follows Single phase two wire 100 120 200 240VAC 100 120 200 240V Single phase three wire 100 120VAC 100 120V 3W Three phase three wire 1 2 3 100 240VAC 200 240V 3 Caution for Wiring 1 Terminal fastening torque should be 0 5 to 0 6 N m for No 1 to No 4 M3 screw and 0 22 to 0 25 N m for No 5 to No 9 M2 screw 2 Use wire with its cross section of 0 14 1 5mm AWG 26 14 for voltage input terminal No 1 2 3 use wire with its cross section of 0 14 1 0mm AWG t26 16 for pulse output terminal No 5 6 use wire with its cross section of 0 3 1 0mm2 AWG 22 16 for communication terminal No 7 8 9 When connecting 2 or more wires to communication terminal use same wire with its cross section of 0 3 to 0 34mm 3 This has no built in power switch circuit breaker or fuse Therefore it is necessary to install them in the circuit near this unit Recommended fuse Time lag fuse rated voltage 250V AC rated current 2A 4 We recom
24. ansmission format Data length Parity Define the transmission format according to the master s PLC etc Select from 8bit o 7bit n 7bit E 7bit o 8bit n 8bit E n none means parity is not available E Even means parity is even number o odd means parity is odd number With MODBUS RTU protocol it works only with 8bit Response time setting mode RES Mode defines serial communication RS 485 response time of main unit When command is received it sends response after setting response time passes t can be set the range of 1 to 99 ms initial 5 T KW7M Eco POWER METER MODE2 Setting flow chart J lt MODE gt J lt ITEM A gt MODE 2 display l SET Protocol setting mode Press lt ITEM A gt lt SHIFT V gt to change MEWTOCOL MODBUS RTU Eco POWER METER MEWTOCOL Station number setting mode Set the station number using ITEM A SHIFT V gt 1 to 99 Press ITEM A SHIFT V gt to change 19200 38400 amp 2400 4800 9600 th JA lt SHIF SHI SHIFJ SHI 9 Eco POWER METER Eco POWER METER Eco POWER METER Eco POWER METER Eco POWER METER 19200bps 38400bps 2400bps 4800bps 9600bps lt SET gt KW7M Eco POWER METER Transmission format setting mode Press ITEM A SHIFT V gt to change 8bit o 7bit n 7bit E 7it o 8bit n 8bit E n not available E even number o odd number 9 Eco POWER METER c Eco POWER METER Eco POWER
25. ated CT type Screw terminal AKW7111 hree phase three wire system 1 2 2 Option Dedicated Current Transformer CT Clamp on type Product name Dedicated Current Transformer CT Through type Rated primary current Model No Dedicated current transformer for 50A 100A 50A 100A AKW4506C Dedicated current transformer for 250 A 400A 250A 400A AKW4507C Others 1 3 Measurement items Instantaneous electric power 0 00 to 999999 99 Integral electric power KWn 0 00t099999999 0 00 to 9999999 9 L1 CT1 phase current L2 CT2 L2 CT2 phase current current por EN DEUM Voltage between 2 3 eM Electricity charge 0 00 to 99999999 XEco POWER METER is designed chiefly to manage saving energy It is neither intended nor can it be legally used for billing KW7M Eco POWER METER Chapter 2 Parts Name and Working 2 1 Parts Names Display indicator Lighting or Blinking according to the display LOCK indicator Lighting while in lock mode O Panasonic KW7M T R indicator Blinking while communication 2 V A AW wm 3 LX CHARGE OUT indicator Lighting when pulse output Display each value Display Electric energy Instantaneous S power Current Voltage Electricity charge Display each setting value 8 MODE Key SET Key D ITEM A Key OSHIFT V Key 2 2 Keys Functions Functions Use to select mode Use to set each value entered To select measured display To shift each mode To change e
26. ay All keys become locked pressing them will have no effect Press SET continuously for about 3sec again to release Lock mode The LOCK indicator goes off and the lock mode is released unlocked LOCK Indicator V Eco POWER METER Eco POWER METER 50607 8 9 22020 220209 5 2 Display while communication T R indicator is blinking while Eco POWER METER is under communication T R indicator SHI Eco POWER METER 900009 5 3 Display when pulse output OUT indicator is lighting when pulse output 5 3 1 Output depends on integral electric power Set the unit for pulse output 0 001 0 01 0 1 1 10 100kWh and pulse output transistor output turns on every time when integral electric power reaches the unit Pulse width about 100ms LOK TR e OUT OUT indicator 5 3 2 Instantaneous electric power alarm When it exceeds the setting instantaneous electric power pulse output transistor output turns on in order to notice When it falls below the output turns off 5 9 3 Current alarm A When it exceeds the setting current ratio pulse output transistor output posos turns on in order to notice When it falls below the output turns off KW7M Eco POWER METER 5 3 4 Stand by power alarm When it detects stand by power current of the measured load pulse output transistor output turns on in order to notice Set current C and stand by time T to judge stand by power
27. by combination with CT secondary side current 5A 1 Select 5A at CT type setting mode CT T 2 Set the primary current of measured CT secondary side current 5A at primary side current of CT setting mode CT 1 lt ex gt If the measured CT is 400A 5A set to 400 3 Clamp the dedicated CT for 5A which is connected to the main unit first to secondary side of the CT secondary side current 5A CT direction K L should be set for the commercial CT direction Set the CT secondary side current 5A and the dedicated CT for 5A approximately 1m apart If the two CTs are set too close each other it may not measure accurately due to magnetic field interference Connection example With ammeter etc Power supply mE I i Fr I Ammeter etc I Breaker i NY EN K Secondary current IL K CT with 2nd current 5A I Eco POWER METER Dedicated CT for 5A KW7M Eco POWER METER Without ammeter Power supply ESA 3 3 For Output connection Since the transistor output is insulated from the internal circuit by a photo coupler it can be used both as a NPN output and PNP equal value output NPN output Power supply for Load Power supply for Load Wire up to 100m for output connection If itis long it may not work correctly due to floating capacitance of wire KW7M Eco POWER METER 3 4 RS485 Communication Use the transmission cables shown below for Eco POWER METER RS485 communicati
28. d on unit for pulse output setting mode Mode defines the ratio of current used for alarm output Ratio for the rated current t is set the range of 1 0 to 100 0 Stand by alarm setting mode 1 AL S Only when AL S is selected on unit for pulse output setting mode Mode defines the ratio of current used for threshold value to judge stand by power Ratio for the rated current t is set the range of 1 0 to 100 0 Stand by alarm setting mode 2 AL S Only when AL S is selected on unit for pulse output setting mode Mode defines the time used for threshold value to judge stand by power t is set the range of 0 to 9999min When O is set alarm is always output at the time when judging the stand by power When 1 to 9999 is set alarm is output at the time when passing the setting time with the stand by power The alarm can be reset by pressing SET with the instantaneous electric power display After reset the alarm start to monitor the stand by power again Electricity charge setting mode RATE Mode defines electricity charge ratio used as a standard per 1kWh t can be set the range of 0 0 to 99 99 1kWh Initial 10 00 Mode1 Setting flow chart 4 lt MODE gt MODE 1 display SET Phase Wire system setting mode Press ITEM A SHIFT V gt to change Single phase 2 wire Single phase 3 wire Three phase 3 wire Panasonic kw7M Panasonic KW7M V A kW kWh V LADECHARGE LX CHARGE
29. des Command messages contain a station number for Eco POWER METER that receives the message When FF ASCII code table is used however the transmission is a global transmission sent to all stations at once Note When a global transmission is sent no response to the command message is returned lt O Block check code Bcc H L Two digit hexadecimal 00 to FF ASCII codes These are codes horizontal parity that are used to detect errors in the transmitted data If is entered instead of Bcc however messages can be transmitted without the Bcc In this case the Bcc is included with the response Error code Err H L Two digit hexadecimal 00 to FF ASCII codes These indicate the content if error occurs Bcc Block Check Code The Bcc is a code that carries out an error check using horizontal parity to improve the reliability of the data being sent The Bcc uses an exclusive OR from the header 96 to the final character of the text and converts the 8 bit data into a 2 character ASCII code Example 0 1 H R T O 1 CR 1 1 1 1 1 Header Station No 1 Command RT 2 character Command Bcc 0 1 tt R T O 1 25H 30H 31H 23H 52H 54H Bcc H 0 30H Bcc L 1 31H Takes exclusive OR Converts to ASCII format 26 KW7M Eco POWER METER 7 3 2 Data Register List Kind of data DTO0050 0 to 9999 ED I Integral electric 0 01kWh sign less 32bit 0 to 999999999 DTOO101 m od L2 CT2 phase DT0
30. edicated Current Transformer Specifications aa 37 Sale eee S m ESTE m SAM INI IS CET TERT RE OMA UN ROT Eme RA CHI So Wesabe CEN ds dm nn adi S 9 ZDINTAIKMOUIN0 dbessaniisasdasiemidanants side dedamsiosimi m iestata Cautions before using B installation environment lt gt Do not use the Unit in the following environments Where the unit will be exposed to direct sunlight and where the ambient temperature is outside the range of 10 to 50 C Where the ambient humidity is outside the range of 30 to 85 RH at 20 C non condensing and where condensation might occur by sudden temperature changes Where inflammable or corrosive gas might be produced Where the unit will be exposed to excessive airborne dust or metal particles Where the unit will be exposed to water oil or chemicals Where organic solvents such as benzene paint thinner alcohol or strong alkaline solutions such as ammonia or caustic soda might adhere to the product Where direct vibration or shock might be transmitted to the product and where water might wet the product Where the place near high voltage cable high voltage device power line power device Where the place near a machinery with transmission function such as amateur radio Where the place near a machinery which occurs the big switching serge QOPlease use the Unit according to the specifications described in this manual Otherwise it may malfunction or cause fire and an e
31. housing SLP 02V JST Mfg Co Ltd Socket contact SSF 21T P1 4 J5T Mfg Co Ltd Applicable connector Receptacle housing 5LR 02VF J5T Mfg Co Ltd Pin contact 55M 21T P1 4 J51 Mfg Co Ltd For 250A 400A AKW4507C 160 20 White k Plug housing SLP 02V JST Mfg Co Ltd Socket contact SSF 21T P1 4 JST Mfg Co Ltd Applicable connector Receptacle housing SLR 02VF JST Mfg Co Ltd Pin contact 55M 21 T P1 4 15T Mfg Co Ltd 1000 50 N Housing 5480 02 Molex Inc Terminal 5479PBT Molex Inc Applicable connector Receptacle housing SLR 02VF JST Mfg Co Ltd Pin contact SSM 21T P1 4 JST Mfg Co Ltd 41 ey KW7M Eco POWER METER 9 2 DIN rail mounting a d AZ E ESA ur a a i DIN rail ATA48011 Mounting plate ATA4806 1 Hook A of main unit on the upper side of DIN rail 2 Making A part as a support fit B the lower part of main unit to DIN rail 3 Main unit will be completely fixed to DIN rail with a click sound KW7M Eco POWER METER Revision Histor of revision UTC NEN 2007 ARCTiF434E F434E FFistedition 00 edition October 2007 ARCT1F434E 1 Second edition Add the explanation in detail Change company name May 201 1 ARCT1F434E 3 4 edition Add functions Current alarm Stand by alarm Add transmission speed 38400pbs Change response time to 1 to 99ms
32. ing ITEM A SHIFT V gt 0 to 9999 min 0 Alarm is always output at the time when judging the stand by power 1 to 9999 Alarm is output at the time when passing the setting time with the stand by power The alarm can be reset by pressing SET with the instantaneous electric power display After reset the alarm start to monitor the stand by power again ITEM A lt SHIFT V gt Eco POWER METER JL lt SET gt Electricity charge setting mode Set the rate per 1kWh using lt ITEM A gt lt SHIFT V gt Panasonic kw7M 0 00 to 99 99 Initial 10 00 Y A kW Om LX CHARGE TEM VA c Es AX lt SHIFT V gt lt ITEM A gt KW7M Eco POWER METER 4 2 2 MODE2 Mode for setting of each parameter for serial communication RS485 Protocol setting mode PRO Mode defines communication protocol of main unit via serial communication RS485 Select from MEWTOCOL MODBUS RTU z O tation number setting mode Mode defines an individual station no for each unit when two or more units communicate via serial communication RS 485 It can be set the range of 1 to 99 GO ransmission speed Baud rate setting mode SP Mode defines serial communication RS 485 transmission speed Define the transmission speed according to the master s PLC etc Select from 38400 19200 9600 4800 2400 bps ransmission format setting mode FM Mode defines serial communication RS 485 tr
33. l that the Modicon Inc developed for PLC O Other company names and the product names are the trademarks or registered trademarks of each company Introduction Thank you very much indeed for purchasing KW7M Eco POWER METER In this manual we explain the usage of KW7M Eco POWER METER in detail Please use it correctly after understanding the content enough Table of Contents Cautions Derre USING o o A LO Chapter 1 Units Features and Structure srera nnn E EREE 1 A A oos Pd cU rd 1 1 2 Units Name and Model NUMDETS aineta eee eee 1 DEB IV FS RR jn ie cM ed de 1 1 2 2 DOH ded s punt CRIS a o Ie 1 13 Measurement sa O basa 1 Chapter 2 Pars Name and Wo 2 Ze ats Names usas tail 2 2 2 KEYS FUNCION Ss ci 2 Gh piefrs Wiflh9sssasrsnpaateisensbss sies sasn 3 Jal Main nit terminal ar ande menta a 3 AO e A A O Sad NOR aa 4 3 3 FOr OUIPUTCONN CI 0d c 6 o 4 Ro495 GOMMUNICAIN suds n m S ss 7 SS LOW Voltage Directive sasila dis A il r 7 Chapter 4 iS SHING Sustrato N 8 A Ope hal On DO CCA US ENTE E OE DEDE D Em 8 42 SGN Mode Explanation doc idl ni t 10 nn e 10 4 2 2MODES VY 15 A e e 18 Ghapter gt cie aUe mU da 19 SEN EGG A e 19 5 2 Display While COMUNICAMOS Ad RU a DRM vias 19 9 39 Display When PUSE Onil v ede ekte nine 19 5 3 1 Output depends on integral electric pOWeT oocccccccoocccncccc
34. lectric shock Connect to the power supply in compliance with the rating Refer to the wiring diagram to ensure proper wiring for the power supply input and output Do not perform wiring or installation with a live line It may also lead to circuit burnout or fire by way of the secondary CT side opening B installation Installation and wiring must be performed by expert personnel for electrical work or electric piping The power supply terminal and voltage input terminal of the main unit is common Therefore if additional noise effects the power supply line incorrect measurements may result Eco POWER METER is designed to be used in a control panel MW As to Measurement If there is some distortion by harmonic or waveform it may not measure correctly Please check with the actual system before adopting it This can t measure the power that flows reverse such as a regenerative electric power If you measure a reverse power it shows 0 00kW and it doesn t count t might not measure an instantaneous current such as an inrush current or an welding machine When measuring the below loads it might not satisfy with the accuracy guarantee Out of rating current Load with low power factor Load with winding current Load with ferromagnetic field B Static electricity Discharge static electricity touching the grounded metal etc when you touch the unit Excessive static electricity might be generated especially in a dry place B Cleaning
35. mend the below ferrules terminals for wiring We don t recommend them when 2 or more wires are connected Product number for Ferrule PHOENIX CONTACT Al0 25 8YE Al 0 34 8TO Al 0 5 8WH NOOO UMSO AI 0 75 8GY Al1 0 8RD Al 1 5 8BK No 5 to No 9 M2 screw i When 1 wire is connected Al 0 25 8YE Al0 34 8TQ Al 0 5 8WH 5 Use flame resistant cable for each wiring KW7M Eco POWER METER 3 2 Wiring Diagrams Please connect a breaker 3 to 15A to the voltage input part for safety reasons and to protect the device Grounding the secondary side of VT Voltage transformer and CT Current transformer is not necessary with low voltage circuit V When measuring a load with rated input voltage oingle phase two wire system One CT is required to measure opis A ddns 19Mog opis peo No Single phase three wire Three phase three Two CTs are required to measure S 1 z O 22 2 O o DE 0 o 3 O O D lt amp 6 D 8 9 V When measuring a load with exceed input voltage Voltage transformer VT is needed when you measure a load with over rated input voltage 240V Use VT those secondary rating is 110V Grounding the secondary side of VT and CT is not necessary with low voltage circuit Single phase two wire Single phase three wire Three phase three wire 1 After wiring turn on the power supply and turn off and power on again 4 KW7M Eco POWER METER How to attach the Current
36. mer Specifications O Clamp on type Primary side rated current Secondary side rated 1 67mA Transform ratio Ratio error 2 096 F S AC1000V 1 min AC2000V 1 min Breakdown voltage initial Between through hole Between through hole and output lead wire and output lead wire Min 100M Q at DC500V Between through hole and output lead wire 10 to 55Hz 1 cycle minute single amplitude of 0 15mm Vibration 10 min on X Y and Z axes resistance push ds 10 to 55Hz 1 cycle minute single amplitude of 0 375mm 1 hrs on X Y and Z axes Shock Min 98m s 4 times on X Y and Z axes resistance Min 294m s 5 times on X Y and Z axes Output protection level 7 5V with clamp element 3 0V with clamp element Permissible clamping freauenc Approx 100 times 30 to 85 RH at 20 C non condensing O Through type 50A 100A 250A 400A Secondary side rated AC1000V 1min AC2000V 1 min Breakdown voltage initial Between through hole and output lead Between through hole wire and output lead wire Min 100M9 at DC500V Between through hole and output lead wire 10 to 55Hz 1 cycle minute single amplitude of 0 15mm Vibration 10 min on X Y and Z axes resistance 10 to 55Hz 1 cycle minute single amplitude of 0 375mm Destructive 1 hrs on X Y and Z axes Shock Min 98m s 4 times on X Y and Z axes resistance Min 294m s 5 times on X Y and Z axes 35 to 80 RH at 20 C non condensing Note Dedicated
37. mes was sent The response shall be multiple frames Application error Explanation The data code is not D Word No was specified without decimal 0000F etc 61H Data error The starting word No is bigger than the ending word No Writing data has a code that is not hexadecimal Too many registrations have been entered more than 17 MD command was sent when some registration has been exist MG command was sent when registration has not been entered Registration error Self diagnostic error Error code Error name Explanation E command writing data is exceeded the range of data 7 3 4 Command Eco POWER METER has 5 kinds of commands Explanation Read data area RD Reads the contents of data area Writes data to a data area Resister or Reset data monitored Resisters the data to be monitored Monitoring start Monitors a registered data Head status RT Reads the specifications of Eco POWER METER and error code if an error occurs RD Read data area Reads the contents of data area Command Starting word No Ending word No 5 characters 5 characters First register contents Last register contents 4 characters 4 characters lower word higher word lower word higher word Common to each command 9 WD Write data area Writes date to a data area Command Starting word No Ending word No First writing data 5 characters 5 charac
38. noncnnncnnoncnnnonnnancnnnnonnnncnnnnnnncnnnonnnancoss 19 5 3 2 Instantaneous electric power alarm iia sees eene nennen nnne ERE nnns 19 od OUITeD Slat EU ecco impetu dE MEME EE MM MM E MA IDEM UD UE ES 19 9 34 MAD POWER EOD E 20 Chapter Display ofeach Valle cosida 21 6 1 Outline for the Working of Monitor Display coooonccnncccconnnccoconnconncononcconnnononnnnnnonancnnnnonnanennnnnnnnnaness 21 6 2 Integral lectie DOW Cl m PET 22 6 3 Instantaneous electo POWER AA VENDEUR 22 CAOUT AAA mo o o y e M CM CUOI URS LUE 23 AS EET 23 a leue nO c eT desas sd d 24 6 7 Display when LED turns off iiiiidd ass REEL ERE LE ERE ERE ERE EL ERE ERE LEE E LEE 24 Chapter 7 MEWTOCOLCOMMUNICAION iras ir ida 25 ZA COMMUNICATION Procedures dic 25 FZ SOMA LUO Fa bito AS la sm 25 FO MEMWTOGOLGOrnrmbunigalloliss idco id 26 7 3 1 Overview of MEWTOCOL COM RS 485 aa 26 Vie Br Eie H 27 Peco EHOR fm 28 Eod oominand Aia 28 TA MODBUSX REU Comtniblieallr s sorda till sii 30 FAN Overview Or MODBUS RTU asustada dic e LO ed oae 30 1 4 2 DataxmediSler ES wcsssc dara 33 Chapter S SPCC IN CAMO MS sia dns g 34 A A R a 34 852 INPUP SPScMICA ION Sr diia 34 8 3 Pulse output Transistor output Specifications esses nennen 35 8 4 GOoMMUNICANON SPECMCA MON add da 36 9 5 oelisdiagnostc UNION a 36 5 5 T OWST Falls Meno a ancient E edidi aa ed ka Gu Sua Eo Dan Cad ates 36 S T ADBHCSBIe standalone taa 36 8 8 D
39. on system 1 Use shielded type twist cables 2 Use only one type of the transmission cables Do not mix different types of the cables 3 Use twist pair cables under a bad noise environment 4 Be sure to connect with daisy chain the RS485 transmission line between each unit Connect one end of the shielded wire to an earth ground 5 Use 2 recommended cables with the same cross section of 0 3 to 0 34mmY to connect to the RS485 and RS485 terminals 1 When using shielded cable for the RS 485 transmission line ground one end Use a class D dedicated earth for grounding Do not share a ground with other earth lines Fig 1 2 Be sure to connect with daisy chain the RS 485 transmission line between each unit Do not use a splitter Fig 2 3 With a terminal station RS 485 E No 9 and RS 485 No 8 should be shorted Fig 1 E terminal is not SG signal ground terminal Do not ground shielded cable Eco POWER METER Eco POWER METER General station Terminal station Fig 1 Shielded cable Shielded cable To RS485 device Class D grounding Class D grounding Terminal Terminal Fig 2 station Correct wiring ES o SHJLILILIES Incorrect wiring X 3 5 Low Voltage Directive When using in the application confirming to EN61010 1 IEC61010 1 make sure to satisfy the following conditions 1 Pulse output part secure only basic insulation In order to secure reinforced double insulation demanded by
40. rature 10 to 50 C 25to 70 C at storage Ambient humidity 30 to 85 RH at 20 C non condensing Insulated circuit Between the isolated circuits Between D 2 O G 0 0 Breakdown voltage initial 2000V for 1min Power terminal 1 R 2 N S 3 T note Cut off current 10mA grise deed 2 N S 3 1 CT1 CT2 CT1 2 Between the isolated circuits RS 485 terminal E Insulation 100M Qor more Pulse output terminal M measured with 500V DC Outer edge enclosure all terminals Vibration resistance 10 to 55Hz 1cycle min single amplitude 0 375mm 1h on 3 axes 8 2 Input Specifications Single phase two wire system Phase and wire system Single phase three wire system common Three phase three wire system Single phase two wire 100 120 200 240V AC common Rating Single phase three wire 100 120V AC Three phase three wire 100 240V AC 85 to 11096 of rated input voltage Input Allowable measurement single phase two wire 85 1 32 170 264V AC common voltage voltage Single phase three wire 85 132 V AC Three phase three wire 85 264V AC 1 00 to 99 99 Set with setting mode VT ratio Voltage transformer VT is required when you measure a load with voltage over 240VAC Allowable measurement voltage Secondary voltage rating of VT is 110V lt Using the dedicated CT gt 5A 50A 100A 250A 400A Select with setting mode lt Using a commercial CT with the secondary side current 5A gt Input
41. rror status When number of data has been mistaken Function code MSB is set to 1 for the response message in exception error status 90H The exception code 03H Value out of the devise numbers is returned as contents of error Number of 3 5 idle _ pa data item to tipi of characters g o oa write DEP QNEM VOTED 105 0002H 06H T Mistake Data 1 Data 2 a E 3 5 idle 0000H 0000H BEE Cd lt Response message from slave to mistaken command Slave Function Exception code Error check 3 5 idle address code CRC 16 3 5 idle characters 01H 90H 03H 0CO1H KW7M Eco POWER METER 7 4 2 Data Register List Data item Range Hexadecimal MODBUS 0032H i 03H 0064H DT00100 Integral electric 4 OH to 3B9AC9FFH 03H 0065H power 0 01KWh Unsigned 32bit 5 to 999999999 06H 10H DT00101 DT00107 _ cumem OA Unsigned 18bit 0H to EAGOH Oto 60000 08H DT00107 current 0 1A Unsigned 16bit OH to EA60H 0 to 60000 03H 03H DTOOt00 owe DT00109 current 0 1A Unsigned 16bit OH to EA60H 0 to 60000 003CH Rated A 15H 5 32H 50 64H 100 03H PARES 190H 400 1H 1 lt 0 001 gt AH 10 lt 0 01 gt 64H 100 lt 0 1 gt 3E8H 1000 lt 1 gt lt Instantaneous electrical energy Values of DT00064 and 00065 03H Unsigned 32bit are applied 06H 10H 309H 777 Ratio for current alarm 003EH lt MSB Value of 0045 H gt DT00062 14DH 333 lt Ratio and
42. s lt MODE gt to return Monitor 9 Initial value list CT type Sie current 5 19200 Stand by alarm2 0 Autooff O KW7M Eco POWER METER 4 2 Setting Mode Explanation NW The value with under line is initial setting among each setting value Set before measurement 4 2 1 MODE1 Mode for setting each parameter for power measurement d 5 hase Wire system setting mode SYST Mode defines phase and wire system to measure Select from Single phase 2 wire Single phase 3 wire Three phase 3 wire When the system is not matched with the measure system it doesn t measure correctly O T type setting mode CT T Mode defines input current type of the dedicated CT Select from the type of 5A 50A 100A 250A 400A When the secondary current of CT is 5A select 5A T O as rimary side current of CT setting mode Only when 5A is selected on CT type setting mode Mode defines primary side current when measuring by combination with existing CT its secondary current of 5A It is possible to use as the second step for combination with existing CT by selecting 5A in the CT type setting mode In this case it is necessary to set the primary side current Primary current of existing CT can be set the range of 1 to 4000 Initial 5 When connecting 5ACT directly and measure with 5A range set to 5 ex If the primary side current of existing CT is 400A secondary current is
43. s with inflammable gas It could lead to an explosion OExposing this product to excessive heat or open flames could cause damage to the lithium battery or other electronic parts A handling error could cause serious physical injury to an operator or damage to the equipment OTo prevent abnormal exothermic heat or smoke generation use this product at the values less than the maximum of the characteristics and performance that are assured in these specifications O Do not dismantle or remodel the product It could lead to abnormal exothermic heat or smoke generation G Do not touch the terminal while turning on electricity It could lead to an electric shock O Use the external devices to function the emergency stop and interlock circuit O Connect the wires or connectors securely The loose connection might cause abnormal exothermic heat or smoke generation O Do not allow foreign matters such as liquid flammable materials metals to go into the inside of the product It might cause exothermic heat or smoke generation O Do not undertake construction such as connection and disconnection while the power supply is on Q Do not use at secondary side circuit of inverter It might cause exothermic heat or damage Copyright and trademark O Panasonic Industrial Devices SUNX Co Ltd owns the copyright of this manual O We stiffly refuse the reproduction of without permission from this manual O Modbus Protocol is a communication protoco
44. t the transmitter from the communication line within transmission period 20ms C Master side Cautions of setting a program At communication keep the following conditions 1 Set the program so that the master can disconnect the transmitter from the communication line within the transmission period of about 3ms after sending the command in preparation for reception of the response from Eco POWER METER Slave 2 To avoid collision of transmissions between the master and Eco POWER METER Slave send a next command after checking that the master received the response KW7M Eco POWER METER 7 3 MEWTOCOL Communication 7 3 1 Overview of MEWTOCOL COM RS 485 Command and response functions The computer sends commands instructions to Eco POWER METER and receives responses in return This enables the computer and Eco POWER METER to converse with each other so that various kinds of information can be obtained and provided DCommands Responses Command and response formats Command message T Check Termi To next command ext Host Des Header code nator computer tination Check Termi Eco POWER METER Normal response message lt gt Control codes ASCII code Explanation Indicates the beginning of a message Indicates that the data comprises a command message P NNNM doa me response message PCR em response when an error occurs Destination and source AD H L Two digit decimal 01 to 99 ASCII co
45. ters 4 characters lower word higher word Last writing data 4 characters lower word higher word 28 KW7M Eco POWER METER MD Register or Reset data monitored Registers the data to be monitored Up to 16 points can be registered for one unit Command Register Data specification Q Data specification eux Word No Bcc 5 characters 5 characters CR x16 x16 MG Monitoring start Monitors a registered data Command No of characters Data in data line D 2 characters 4 characters lower word higher word lower word higher word 4 RT Read the status of Eco POWER METER Reads the specifications of Eco POWER METER and error codes if an error occurs Command Operation mode Error flag 01 On operating 01 abnormal 00 Stop 00 normal Model code 1 Model code 2 Version ocn Error flag Self diagnostic error No 2 characters 2 characters 4 characters 2 characters 4 characters x16 x16 With this unit itresponses 99 for Model code1 12 for Model code2 A A lower word higher word KW7M Eco POWER METER 7 4 MODBUS RTU Communication 7 4 1 Overview of MODBUS RTU 8 bit binary data in command is transmitted as it is Data format Start bit 1 bit Data bit 8 bits 7bits is not available Parity No parity Even parity Odd parity Selectable otop bit 1 bit Fixed Error detection CRC 16 Cyclic Redundancy Check Data interval
46. time for Stand by alarm Value of 004DH 004EH gt Primary side process current value 1A Unsigned 16bit 1H to FAOH 1 to 4000 va when CT 5A 0040H lt LSB gt Mala DT00064 OH to SFSEOFFH OSH Instantaneous 0 01kW Unsigned 32bit 0 to 99999999 06H 10H 0041H lt MSB DTO0065 qm DT00078 pri alarm OOAAH LSB DT00170 OOABH lt MSB between 1 and 2 DT00171 OOACH lt LSB DT001 72 OOADH lt MSB between 2 and 3 DT00173 OOBOH lt LSB gt DT00176 Instantaneous 00B1H MSB3 electric power 0 01kW Unsigned 32bit DT00177 lt LSB gt Least Significant Byte lt MSB gt Most Significant Byte Unit for Pulse output electric power Unsigned 32bit OH to 1869FH 0 to 99999 OH to 5F5EOFFH 03H 000 to 99999999 note 1 03H Read 06H 10H Write note 2 Data register except specified Is 0 note 3 If each setting value is wrote by communication it memories to internal EEP ROM at the same time Therefore change setting frequently makes EEP ROM s life short Avoid to usage like this note 4 Write a data within the range when you write it 33 KW7M Eco POWER METER Chapter 8 Specifications 8 1 Main unit Rated operating voltage 100 200V AC Rated frequency 50 60Hz common Rated power consumption 6VA 240V AC at 25 C Wd Er Operating 85 132 170 264V AC 85 110 of rated operating voltage voltage range Allowable momentary 10ms power off time Ambient tempe
47. ytes is responded Error check After calculating CRC 16 Cyclic Redundancy Check from slave address to the end of data the calculated 16 bit data is appended to the end of message in sequence from low order to high order lt How to calculate CRC gt In CRC system the information is divided by the polynomial series The remainder is added to the end of the information and transmitted The generation of polynomial series is as follows Generation of polynomial series X 9 X X 4 1 1 Initialize the CRC 16 data assumed as X FFFFH 2 Calculate exclusive OR XOR with the 1st data and X This is assumed as X 3 Shift X one bit to the right This is assumed as X 4 When a carry is generated as a result of the shift XOR is calculated by X of 3 and the fixed value A001H This is assumed as X If a carry is not generated go to step 5 5 Repeat steps 3 and 4 until shifting 8 times 6 XOR is calculated with the next data and X This is assumed as X 7 Repeat steps 3 to 5 8 Repeat steps 3 to 5 up to the last data 9 Set X as CRC 16 to the end of message in sequence from low order to high order V Message example 1 Reading electricity rate 0032H of address 1 Command i i i Slave Function Data item Number of Error check BO address code Bod data CRC 16 Pesca Ae 01H 03H 0032H 0001 H RCA Al ene ed 1 1 2 2 2 character number Response message from slave in normal status When Rate 1000 10
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