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1. Starting Time and Tariff Number of 1st 14th Scheule Same as 1st RECON of 5th Schedule Table Hour Minute Tariff Number Schedule Table RAW 916H 93FH Starting Time and Tariff Number of 1st 14th Scheule Same as 1st of 6th Schedule Table Hour Minute Tariff Number Schedule Table 940H 969H Starting Time and Tariff Number of 1st 14th Scheule Sameas 1st of 7th Schedule Table Hour Minute Tariff Number Schedule Table 96AH 993H Starting Time and Tariff Number of 1st 14th Scheule Same as 1st of 8th Schedule Table Hour Minute Tariff Number Schedule Table 994H 9BDH Starting Time and Tariff Number of 1st 14th Scheule Sameas 1st of 9th Schedule Table Hour Minute Tariff Number Schedule Table OBEH 9E7H Starting Time and Tariff Number of 1st 14th Scheule Same as 1st of 10th Schedule Table Hour Minute Tariff Number Schedule Table 9ESH A11H Starting Time and Tariff Number of 1st 14th Scheule Same as 1st of 11th Schedule Table Hour Minute Tariff Number Schedule Table A12H A3BH Starting Time and Tariff Number of 1st 14th Scheule Same as 1st of 12th Schedule Table Hour Minute Tariff Number Schedule Table A3CH A6SH Starting Time and Tariff Number of 1st 14th Scheule Same as 1st of 13th Schedule Table Hour Minute Tariff Number Schedule Table AGGH ASFH Starting Time and Tariff Number of 1st 14th Scheule Same as 1st of 14th Schedule Table Hour Minute Tariff Number Schedule Table Hol
2. 0000H DI1 1 ON O OFF Bit 0001H DI2 1 ON O OFF Bit 0002H DI3 1 ON O OFF Bit 0003H DI4 1 ON O OFF Bit Table 4 24 DI Address Relay Output Function Code 01 to read Function Code 05 to control 0000H T ON 0 0FF 0001H Relay2 1 0N 0 0FF Table 4 25 RO Address System Parameters Function Code 03 to read Function Code 16 to set Address Parameter Range Default Data Type Access Type 100H Password 0 9999 0 Word 101H Meter Address 1 247 1 Word 102H Baud Rate 1200 38400 19200 Word i 0 3Ln 1 3LL 104H Wire Mode 2 2LL 3 1Ln 0 Word RL Byte 50 0 1000000 0 400 0 Dword 106H PT1 Low Byte 107H PT2 50 0 400 0 400 0 Word 108H CTI 1 or 50 50000 400 0 Word 109H CT2 10r5 lors Word R Reactive Power 0 True 1 Generalized 0 Word R W VAR PF 0 IEC 1 IEEE 0 Integer R W Convention Clear Energy Ox0A Word R W Backlight Time 1 5 5 Word R W AO1 Parameter 0 17 word R W AO1 Output 0 0 5V 0 20mA Mode 1 1 5V 4 20mA E ee RW AO2 Parameter same as AO1 Word AO2 Output 0 0 5V 0 20mA Mode 1 1 5V 4 20mA y Word RA 0 Voltage 1 Digital RO1 Mode 2 Alarming 3 Pulse 0 Word R W ROT Alarming 0 18 0 Integer R W Parameter ROT Alarming 0 8000 0 Integer R W setpoint ROT Alta 0 255 0 Integer R W Delay RO1 Inequality 0 lt 1 5 0 Integer
3. Type Mechanical Contact Resistance 100m0e1A Switching Voltage 250Vac 30Vdc Max Break Current 5A Withstand Voltage 4000Vac rms Type Photo MOS normally open Isolation Voltage 2500Vac RMS Max Working Voltage 100Vdc Max Working Current 50mA Energy Pulse Width 60ms Range 0 20mA 4 20mA 0 5 1 5V Accuracy 0 5 Load Capacity Voltage Max Load Resistor 20mA Current Max Current 500Q 300 A Voltage 24Vdc Power TW Isolation Voltage 1000V RS 485 2 wire Shielded Twisted Pair cable Optical isolated Protoco Modbus RTU Rate 1200 38400 Accuracy 50Hz Temperature 200C Humidity 35 Power Supply 230Vac Voltage 0 5 0 1V Current 0 5 0 001A Power 0 5 0 001kW Reactive Power 1 0 0 001kvarh Apparent Power 1 0 0 001kVA Power Factor 1 0 0 001kVA Frequency 0 2 0 01Hz Energy 0 5 0 1kWh Reactive Energy 2 0 0 1kvarh Apparent Energy 2 0 0 1kVAh Harmonics 2 0 Temperature Drifting lt 100ppm C Long term Stability 0 1 year StandardCompliance SSS O Outline Standard Measurement Standard IEC 61036 Class 1 IEC62053 21 Environmental Standard IEC60068 2 Safety Standard 1EC61000 1 EMC Standard IEC61000 4 2 3 4 5 6 8 11 DIN43700 Dimensions mm 96x96x65 Cutout 92x92 Protection Level IP52 Front IP20 Cover Weight g 500g
4. 8 PF Demand Indicates power factor and demand respectively 9 11 12 13 14 Indicates Critical peak On peak Mid peak Off peak tariffs 10 Pulse Indicator 1 Indicator light on pulse output Indicator light off no pulse output There are four keys on the front panel labeled F W and V A from left to right Use these four keys to read real time metering data set parameters and navigate the meter The following illustrations outlined display and key functions of the Acuvim 390 model Acuvim 300 normally works in data display mode which shows real time measured data such as voltage current power etc In this mode the F AB Y and V A keys can be used for a variety of functions as follows Press V A Displays voltage and current related parameters in data display zone Every time the V A is pressed the screen will scroll to the next screen When the screen reaches the last one it will go back to the first screen 1 screen Display phase voltage U1 U2 U3 U1 220 1V U2 220 2V U3 220 0V Inductive load Communication status is ok Note communication status load type is system information which is displayed on every screen Press V A again to scroll to the 2nd screen 1 2 J LI n 2 screen Display line line voltage U12 U23 U31 maa i U12 380 1V U23 380 0V U31 380 2V Inductive load Communication status is ok Press V A again to scroll to the 3rd screen Figure 3 2 Line to li
5. Es_TOU Total 0 999999999 DWord 23CH High High Ep_TOU Total 0 999999999 DWord R W 23DH Low 23EH High High Eq_TOU Total 0 999999999 DWord R W R W Table 4 19 Time of Use energy address The relationship between the communication data value and the real data value is listed below Rx is the communication value Ep Ep Rx 10 kWh Eq Eq Rx 10 kvarh Es Es Rx 10 kVAh Table 4 20 Energy data conversion table TOU parameter setting addresses include Basic Parameters of TOU Season Setting of TOU Schedule Setting of TOU and Holiday Setting of TOU Address Parameter Range Data Type Pa 800H Season Number 1 12 Word R W 801H Schedule Number 1 14 Word R W 802H Segment Number 1 14 Word R W 803H Tariff Number 0 3 Word R W Weekend Setting bit0 804H Sunday bit1 lt bit6 Monday Saturday 0 127 Word bit 1 means using energy bit 0 means not using energy 805H Weekend Schedule 806H Holiday Number 807H Time of Use 1 E eae S Word Rw Time of Use factory setting Ba ai Word R W Choice of TOU energy auto reset ei 0 End of Month 1 Fixed Date Word R W TOU auto reset Po day default 1 31 Word R W TOU auto reset fixed date hour 0 23 Word RAW default is 0 TOU auto reset fixed date minute default is 0 1 mor BAW TOU auto reset fixed date second 0 59 Word RAW defa
6. LI Figure 3 56 RO1 DO1 alarming inequality setting 7 screen RO1 DO1 Alarming setpoint setting The alarming setpoint range is any integer between 0 and 8000 The detailed setup methods can be found in Chapter 2 4 Over Under Limit Alarming Press V A to go to the next screen 8 screen RO1 DO1 Alarming delay time setting RO1 D01 delay time setting range is 0 255 unit second The left picture shows the delay time is 15 seconds When the alarming condition is met an alarm will be triggered in 15 seconds However if the alarming condition is not longer met within 15 seconds it will cancel the alarm 9 screen RO1 D01 Alarming delay time setting When the alarming inequality is set as 1 the condition is larger than which means the alarm triggering condition is when the alarming parameter is larger than the setpoint value When the inequality is set as 0 the condition is sallmer than which means the alarm triggering condition is when the alarming parameter is smaller than the setpoint value The left figure shows RO1 DO1 alarming inequality is set as 1 which means the alarm triggering condition is when the parameter is larger than the setpoint value Figure 3 57 RO2 DO2 working mode setting Figure 3 58 RO2 DO2 alarming mode setting Figure 3 59 RO2 DO2 alarming setpoint setting 10 screen RO2 DO2 working mode setting The left figure shows RO2 DO2 working mode is set as 3 Energy Pulse Outp
7. F and V A keys together will exit parameter settings mode and return to the measured data display mode Parameter settings mode is password protected A four digit password 0000 to 9999 is required everytime before accessing the parameter settings mode The default password is 0000 After entering the password press V A to go to the parameter selection page The meter will return to the metering mode if a wrong password is entered The following is the parameter settings mode Password Protection Users need to enter the password Figure 3 30 Password Figure 3 31 Communication address setting Figure 3 32 Communication baud rate setting Figure 3 33 Parity bit setting 1 screen Communication address setup It is used to set communication address which can be any integer 1 247 The left figure shows the address is 1 To change press F to move the cursor to the digit to be changed press 4 to increase value or wW to decrease value Then press V A to confirm and scroll to the next screen If no change needs to be done press V A to scroll to the next screen Note Modbus RTU communication protocol requires that all meters on the same bus should have different addresses 2 screen Baud rate setting page Baud rate can be set 1200 2400 4800 9600 19200 38400 The figure on the left indicates the baud rate is 9600 bps In order to change it simply press 4 or y to choose a value from
8. MM stands for minute SS stands for second Similar to the previous method once Current Month TOU is transferred to Prior Month TOU all values from Current Month TOU will be cleared and reset to 0 4 1 Modbus Protocol Introduction 4 2 Communication Format 4 3 Communication Address Table This chapter will mainly discuss how to operate the meter via communication port using software To master this chapter you should be familiar with Modbus and read other chapters of this manual to make sure that you have a good understanding of the functions and applications of this product This chapter includes Modbus protocol format of communication and data address table Modbus RTU protocol is used for communication Data format and error check methods are defined in Modbus protocol The half duplex query and respond mode is adopted in Modbus protocol Modbus allows master device PC PLC etc to communicate with slave devices not allow data exchange between slave devices In that case terminal devices will not engage the communcation link at initialization only response the master s request 1 Transmission mode The mode of transmission defnes the data structure within a frame and the rules used to transmit data A Coding System 8 bit A Start bit 1 bit A Data bits 8 bit A Parity Odd Even No Parity A Stop bit 1 bit 2 bit A Error checking CRC 2 Modbus protocol 3 2 1 Framing lt Address
9. Operating Temperature 25 C 70 C Storage Temperature 40 C 85 C Humidity 5 95 non condensing Power Supply 100 415Vac 50 60Hz 100 300Vdc Power Consumption 3W 230Vac Elevation above Sea Level 2000 m kawa 300 A Dam 300 Acuvim AO Mode Appendix B Ording Information M CUR Current Type 4 20mA 0 20mA AO L VOL Voltage Type 0 5V 1 5V OAO No AO RO DO 1AO 1A0 Output L 2A0 2A0 Output NA None DI 2RO 2RO Output L 2DO 2D0 Output F ODE No DI Current OA No current input 5A 5Aac L 1A 1Aac Frequency m 50 50Hz 60 60Hz Acuvim 361 Model Acuvim 362 Acuvim 382 Acuvim 387 Acuvim 390 Acuvim 398 L 4DI 4DI 1PO 24Vdc Acuvim 300 Series Meter Ordering Example Acuvim 390 60 5A 4DI 2RO 1A0 CUR 96 Acuvim AO Mode F CUR Current Type 4 20mA 0 20mA VOL Voltage Type 0 5V 1 5V AO OAO No AO 1AO 1AO Output L 2AO 2A0 Output DO RO M NA No Digital Output 2RO 2RO Output L 2DO 2DO Output Current 0A No Current Input 5A 5Aac L 1A 1Aac Frequency gt 50 50Hz L 60 60Hz Acuvim 301 Model Acuvim 302 Acuvim 322 Acuvim 327 Acuvim 330 Acuvim 300 Series Meter Ordering Example Acuvim 330 60 5A 2RO 1A0 CUR 97 Laan 300 A Aca
10. 1 1 5V The left figure shows AO1 range is 0 20 mA or 0 5V Press V A to go to the next screen 3 screen AO2 parameter setting The left figure shows that AO2 parameter is set as Ib Press V A to go to the next screen 4 screen AO2 range setting Current AO 0 0 20mA 1 4 20mA Voltage AO 0 0 5V 1 1 5V The left figure shows AO1 range is 4 20 mA or 1 5V Figure 3 52 RO1 DO1 workng mode setting Figure 3 53 RO1 DO1 alarming parameter setting 5 screen RO1 DO1 working mode setting Acuvim 300 provides Relay Output Digital Output Users may only use one of them RO DO work mode settings range is 0 3 0 Voltage Output 1 Momentary output high voltage width 800ms 2 Alarm Output 3 Energy Pulse Output When the user chooses relay as output device RO DO working mode cannot be set as 3 The left figure shows RO DO working mode is set as Alarm Output 6 screen RO1 DO1 Alarming Parameter Setting When RO DO is utilized as Alarm Output alarming parameters need to be set For more details about Alarm Output please refer to Chapter 2 4 Over Under Limit Alarming Alarming parameter number range is 0 18 which is listed in Table 3 3 When it is set as 0 no alarm output The left figure shows parameter is set as Ib Table 3 3 Alarming parameters Figure 3 54 RO1 D01 alarming setpoint setting I IT Ji LE TI Figure 3 55 RO1 D01 alarming delay time setting
11. 1A Optional please refer to the ordering information appendix for further details CTs must be used if the system rated current is over 5A The accuracy of the CT should be better than 0 5 with rating over 3VA is recommended in order to preserve the meter s accuracy The wire between CTs and the meter shall be as short as possible The length of the wire may efect the accuracy The wire size of current input could be AWG15 16 or 1 5 2 5mm Warning The secondary side of the CT should never be open circuit in any circumstance when the power is on otherwise it may cause damage to the unit and physical injury There should never be any fuse or switch in the CT loop One end of the CT loop should be connected to the ground Vn Connection Vn is the reference point of the Acuvim 300 series meter voltage input Low wire resistance helps improve the measurement accuracy Different system wiring modes require different Vn connection methods Please refer to the wiring diagram section for more details Acuvim 300 Wiring The following introduces the wiring scenarios Please make sure voltage input as well as PT secondary voltage current input as well as CT secondary current are suitable for the meter Please note the correct wiring scenario will only work properly with correct parameter setting in the meter Chapter 3 introduces meter parameter settings 1 Wye mode 3CT meter setting 3Ln LINE lt gt e A e B t
12. 5 Voltage Input Terminals Used for voltage input 6 Current Input Terminals Used for current input 7 DI Terminals 4 channel Digital Input terminal 8 24Vdc Power Supply Terminals 24Vdc power supply terminal 9 Communication Terminals Communication output 10 Power Supply Terminals Power supply terminal 11 RO DO Terminals 2 channel RO DO terminal 12 AO terminals 2 channel AO terminal 13 Installation Clips Used for securing the meter to the panel Table 2 1 Part name of Acuvim 300 Dimensions mm re 96 00 o o a B me ve I 2 5350 96 00 65 00 14 5 Front View Side View Figure 2 2 Acuvim 300 Dimensions Laan 300 A Environmental Before installation please check the environment temperature and humidity to ensure the Acuvim 300 series meter is being placed where it will not be damaged 1 Temperature Acuvim 300 operation temperture is 25 C 70 C Exceeding this temperature range will cause damage to the meter Please note it can influence the meter life negatively if the meter operates in extremly high or extremly low temperature environments Acuvim 300 storage temperature range is 40 C 85 C 2 Humidity 5 to 95 non condensing 3 Location Acuvim 300 series meter should be installed in a dry and dust free environment Avoid exposing meter to excessive heat ra
13. 76 67 82 L C R Word R 313H AO1 Output 0 65535 Word R 314H AO2 Output 0 65535 Word R 315H Phase A Current Demand 0 65535 Word R 316H Phase B Current Demand 0 65535 Word R 317H Phase C Current Demand 0 65535 Word R 318H Power Demand 32768 32767 Integer R 319H Reactive Power Demand 32768 32767 Integer R 31AH Apparent Power Demand 0 65535 Word R Table 4 14 Secondary side real time measurement data address Parameter Relationship Unit Voltage U Rx x PT1 PT2 10 V Current I Rx x CT1 CT2 1000 A Power P Rx x PT1 PT2 x CT1 CT2 Ww Reactive Power Q Rx x PT1 PT2 X CT1 CT2 var Apparent Power S Rx x PT1 PT2 X CT1 CT2 VA Power Factor PF Rx 1000 No Unit Frequency F Rx 100 Hz Load Nature L C R L C R is expressed by low byte No Unit Analog Output Current Type AO Rx 1000 mA Analog Output Voltage Type AO Rx 1000 V Table 4 15 Real time data conversion Address Parameter Data Type Access Type 600 601H Frequency F Float R 602 603H Phase A Voltage U1 Float R 604 605H Phase B Voltage U2 Float R 606 607H Phase C Voltage U3 Float R 608 609H Average Phase Voltage Unavg Float R 60A 60BH Line Voltage U12 Float R 60C 60DH Line Voltage U23 Float R 60E 60FH Line Voltage U31 Float R 610 611H Average Line Voltage Ull_avg Float R 612 613H Phase A Current 11 Float R 614 615H Phase B Current 12 Float R 6
14. Acuvim 300 nominal input voltage 400V 7 screen CT1 setting Primary side of CT Acuvim 300 CT1 range is 5 50000 or 1 50000 for 1A meter integer unit is Amp CT1 5A Users can use P and y to change CT1 value l m X lt Press V A to confirm and go to the next screen Figure 3 37 CT1 Setting 8 screen CT2 setting Secondary side of CT Acuvim 300 CT2 is fixed as 5 or 1 for 1A meter unit is Amp CT2 5A Press V A to confirm and go to the next screen Figure 3 38 CT2 Setting 9 screen Defnition of reactive power Acuvim 300 has two ways to calculate reactive power sinusoidal reactive power and Budeanu s reactive power Detailed information can be referred to the next chapter The left figure shows it is using sinusoidal reactive power Figure 3 39 Reactive power definition Figure 3 41 Clear energy Figure 3 42 Backlight brightness 10 screen Var PF Convention Acuvim 300 supports two power factor standards IEC and IEEE Press P and amp b to select the standard The left figure shows IEC is selected Press V A to confirm and go to the next screen 11 screen clear Energy Acuvim 300 energy can be cleared by the front keys Press 4 and v to switch between Yes and No If Yes is selected press V A to confirm to clear the energy If No is selected press V A and it will not clear the energy 12 screen backlight brightnes
15. Es TOU On peak 0 999999999 DWord R W 211H Low 212H High High Eo TOU Mid peak 0 999999999 DWord R W 213H Low 214H High 215tom E9 TOU Mid peak 0 999999999 DWord R W 216H High High Es TOU Mid peak 0 999999999 DWord R W 217H Low 218H High 21oom EP TOUIOff peak 0 999999999 DWord R W 21AH High High Ea TOU Off peak 0 999999999 DWord R W 21BH Low 21CH High High Es TOU Off peak 0 999999999 DWord R W 21DH Low 21EH High Ep_TOU Total 0 999999999 DWord R W 21FH Low pTOU TOtal a 220H High High Eq_TOU total 0 999999999 DWord R W 221H Low Benny 300 222H High Es_TOU total 0 999999999 DWord R W 223H Low Address Parameter Range Data Type Access Type 224H High Ep_TOU Critical 0 999999999 DWord RAW 225H Low peak 226H High Eq_TOU Critical 0 999999999 DWord RAW 227H Low peak 228H High Es_TOU Critical g 0 999999999 DWord R 229H Low peak g ka 22AH High Ep_TOU On peak 0 999999999 DWord R W Eq_TOU On peak 0 999999999 DWord R W Es_TOU On peak 0 999999999 DWord R W Ep_TOU Mid peak 0 999999999 DWord R W Eq_TOU Mid peak 0 999999999 DWord R W Es_TOU Mid peak 0 999999999 DWord R W Ep_TOU Off peak 0 999999999 DWord R W Eq_TOU Off peak 0 999999999 DWord R W Es_TOU Off peak 0 999999999 DWord R W 23FH Low
16. G N XXX i mo 1AFUSE HD M1 2 e n 3 121 HG 122 8 5 134 e HO 132 oda 000 Vw V3 V2 vi Acuvim 300 Figure 2 10 3LN 3CT connection 2 Wye mode 2CT meter setting 3Ln zoo gt LINE e l 1A FUSE Terminal block On O 0 LOAD Dn Y va v2 Y 3 iza 3 A Diz Acuvim 300 e 5 131 E HE 132 Figure 2 11 3LN 2CT connection huwa 300 A Dann 300 3 Delta mode 2CT meter setting 2LL r 4 Direct connection 3CT meter setting 3LL LINE A B c xX X N Terminal block E 0 m 9 9 2 LOAD kojm W v v2 Y Y 3 121 Dz2 Acuvim 300 2 5 131 6 132 Figure 2 12 2LL 2CT connection e LINE e A B T N XX 1A FUSE Terminal block el Om 0000 LOAD On YN V8 V2 vi 2 2 HO 121 e HD 122 Acuvim 300 2 ia HO 132 C Figure 2 13 3LL 3CT connection 5 Direct connection 2CT meter setting 3LL fa LINE zov gt Terminal block come 2 HD m2 HO 121 e iz nme 5 131 e Ho 132 Im 8 60 On 9 I 1A FUSE DIO Va v3 v2 V1 Acuvim 300 Figure 2 14 3 phase direct connection 2CT 6 Single phase 2 wire meter setting 1Ln r LINE DK
17. Modbus Protocol Introduction 64 4 2 Communication Format q_ 67 4 3 Communication Address Table 72 Appendix 91 Appendix A Technical Data and Specifications 92 Appendix B Ordering Information ___________ _______ 96 Appendix C Revision History You have purchased an advanced versatile multifunction power meter This meter can work as a remote terminal unit RTU that contributes to your system s stability and reliability by providing real time power quality monitoring and analysis When you open the package you will fnd the following items 1 Acuvim 300 meter x1 2 Terminal Blocks x1 x7 depending on the model 3 Installation Clips x2 already assembled to meter 4 Product Disk containing User s Manual and Warranty Card xi Chapter 1 Introduces the basic Acuvim 300 features and applications Chapter 2 Provides details on how to install Acuvim 300 and how to wire terminals and cables Chapter 3 Walks you through how to program Acuvim 300 via the front panel display metering data and how to set parameters Chapter 4 De
18. R W RO2 Output 0 Voltage 1 Digital Mode 2 Alarming 3 Pulse ora RAN RO2 Alarming 0 18 0 Integer R W Parameter RO2 Alarming 0 8000 0 Integer R W setpoint Reale 0 255 0 Integer R W Delay RO2 Inequality 0 lt 1 gt 0 Integer R W 0 none 1 kWh 11CH DO1 Energy ar eyark 0 Integer R W 0 none 1 kWh 11DH DO2 Energy 2 kvarh 0 Integer R W 11EH De Pulse 800 6000 3600 Integer R W Constant ae Winco 1 30 min Word R W Size Clear Max OAH clear 120s Demand Others not clear word RAN Clear Demand of OAH clear aa Critical peak Others not clear word RAW Clear Demand of OAH clear a On peak Others not clear word BAN Clear Demand of OAH clear 123H Mid peak Others not clear Word RAW Clear Demand of OAH clear aii Off peak Others not clear Word RAY 125H Clear Demana of OAH clear Word RAW Total Others not clear Table 4 26 System Parameter Settings 89 Benny 300 Notes 1 Data Type Bitis binary value Word is 16 bit unsigned integer using one register address 2 bytes Integer is 16 bit signed integer using one register address 2 bytes Dword is 32 bit unsigned integer using two register addresses high bytes followed by low bytes using 4 bytes in total float is single precision floating point using two register addresses 4 bytes 2 Access Type R is Read Only using Function Code 03 R W is readable a
19. Terminal block E 010000 E HD n2 Va V3 V2 V1 LOAD el e 1AFUSE Acuvim 300 Figure 2 15 Three phase 2CT connection kwam 300 A awam 300 20 7 Single phase three wires wirng mode 3Ln LINE 1 XX YY 1AFUSE Terminal block Loa Om BG Guz Ve V3 V2 vi LO n2 E Oi Ha 122 Acuvim 300 10 131 o 82 Figure 2 16 Single phase three wire connection 300 AWA Acuvim 300 series supports 4 Digital Inputs 1 24Vdc auxiliary power supply 2 Relay Outputs or 2 Digital Outputs 2 Analog Outputs A Digital Input Acuvim 300 provides 4 dry contact digital input circuits the terminal numbers are C12 DI1 DI2 C34 DI3 DI4 28 29 30 31 32 33 DI1 DI2 share C12 D13 DI4 share C34 The simplified circuit is shown below Switch a e N T DI Optical Coupler 16 30Vdc vx Dl Na our e Acuvim 300 Figure 2 17 Digital Input When the Switch is open there is no current flow in the diode side of the optical coupler the triode is off OUT is in low state When the Switch is closed there is current flow in the diode side the triode is on OUT is in high state In this way the high and low state of OUT correspondes to closed and open state of the switch The recommendation of the power supply in series connection with Switch is 16 30 V
20. address of last month TOU energy data address of current month TOU energy data address of TOU parameter settings and data address of TOU default parameters Except for the data address of TOU default parameter the data address could be read by function code 03 preset by function code 16 TOU default parameter can be read by function code 03 preset by function code 176 m Data address of prior month TOU Data address of current month TOU Basic parameter of TOU Season parameter setting of TOU Data address of Data address of TOU __ TOU energy parameter setting Schedule setting of TOU __ Holiday setting of TOU Basic default parameter of TOU Data adress of TOU Season default parameter setting of TOU default parameter Schedule default setting of TOU Holiday default setting of TOU Address Parameter Range Data Type Access Type 206H High Ep_TOU Critical 0 999999999 DWord R W 207H Low peak 208H High Eq_TOU Critical AE 0 999999999 DWord R W 209H Low peak a 20AH High Es_TOU Critical 0 999999999 DWord R W 20BH Low peak mm 4 20CH High High Eo TOU On peak 0 999999999 DWord R W 20DH Low 20EH High _20EH High Ea TOU On peak 0 999999999 DWord R W 20FH Low 210H High High
21. display the 5 screen Figure 3 20 Critical peak energy display Figure 3 21 Critical peak reactive energy display Figure 3 22 Critical peak apparent energy display Figure 3 23 On peak energy display 5 screen Critical peak reactive energy Eq 0 0kvarh Inductive load Press V A to display the 6th screen 6th screen Critical peak apparent energy Es 94 6kVAh Inductive load Press V A to return to the 4th screen If F is pressed it will display Peak energy in the 7th screen 7 screen On peak energy Ep 116 9kWh T2 stands for On peak Inductive load Press V A to display the 8th screen umim 300 Figure 3 24 On peak reactive energy display Figure 3 25 On peak apparent energy display Figure 3 26 Total power demand display 8 screen On peak reactive energy Eq 0 0kvarh Inductive load Press V A to display the 9 screen 9 screen On peak apparent energy Es 117 0kVAh Inductive load Press V A again to return to the 7 screen Pressing F key will display Valley energy Press V A to switch different energy type under the same tariff Press F to switch among different tariffs Press 4 to display demand data of Time of Use 1 screen Total power demand P_Demand 5 705kW Q_Demand 0 217kvar S_ Demand 5 706kVA Inductive load Press V A to display the 2 screen 2 screen Total current demand 11_Demand 5 000A 12_Dem
22. technology makes the Acuvim 369 ideal in non linear load systems and other poor power quality environments Its major application areas are Energy Management System Power Distribution Automation Sub Metering Smart Building System Power Monitoring Smart Switchboard Distribution Cabinet Substation Automation Medium Low Voltage Distribution System In order to meet various customers requirments Acuvim 300 offers different functions Please see Table 1 1 Acuvim 300 series function comparisons Operational details of the meter will be described in this chapter This includes viewing real time metering data and setting parameters using different key combinations Voltage V e o Current l e e e Power P e e Metering Reactive Power Q e e Apparent Power S e e Power Factor PF e e Frequency Hz e e e Energy Ep o e e Energy Reactive Energy Eq e e e Apparent Energy Es e e e Current Power Demand Dmd e Demand The Maximum of Current and Dmd e Power Demand i e Time of Use Energy 4 Tariffs Demand 12 Seasons e Voltage Total Harmonic Distortion ele a Current Total Harmonic Distortion e e Power Quality E Voltage and Current Individual 2nd to 31st e Harmonics Digital Input additional ooo DI 24Vdc Auxilary Power ADIHIPO Relay Output or Over Under Limit 2RO o o o 1 0 Option RO DO Alarming Energy Pulse Output or Over Under Limit 2DO o o o Alarming AO Analog O
23. the 7 numbers Press V A to confirm and go to the next screen Press V A key to confirm and go to the next setting screen 3 screen Parity setting page Acuvim 300 series provides parity bit setting lt can be set as Even Odd None 1 None 2 None 1 means 8 data bit no parity bit 1 start bit 1 stop bit no parity bit None 2 means 8 data bit no parity bit 1 start bit 2 stop bits Parity setting uses 4 or WV to switch Press V A to go to the next screen Note All devices on the same communication bus should use the same baud rate and parity setting 43 Ac Lava 300 44 Figure 3 34 Wiring mode Figure 3 36 PT2 Setting 4 screen Meter wiring mode setting Wiring mode can be set as 3Ln 3LL 2LL Please see Chapter 2 for details The figure on the left indicates 3Ln In order to change it simply press 4 or 4 to change the value Press V A to confirm and go to the next screen 5 screen PT1 setting Primary side of PT PT1 range is 50 0 1000 000 0 unit is Volt The left figure shows PT1 400 0V Users can use P 4 and y to change PT1 value Press V A to confirm and go to the next screen 6 screen PT2 setting Secondary side of PT The left figure shows PT2 400 0V Users can use P RK and v to change PT2 value Press V A to confirm and go to the next screen Note If there is no PT installed PT1 and PT2 should be equal to
24. this factor is often used to express the power quality of the power system The formula is as follows 50 U 2 THD Na x 100 h 2 1 In the formula U1 is Rms value of the voltage fundamental and Uh is Rms value ofthe voltage harmonic with order n Each Harmonic Rate the percentage of each harmonic is divided by the fundamental For Voltage HRUh 210 1 For Current HRIh 1x10 Demand Acuvim 398 uses sliding window method for demand calculation It can measure current demand power demand reactive power demand and apparent power demand Demand interval can be selected from 1 to 30 minutes Demand window slides one minute each time For example the demand interval is set as 3 minutes If the total power of the 1st minute is 12 the 2nd minute is 14 and the 3rd minute is 10 the total power demand of the 3 minutes is 12 14 10 3 12 If another minute passed by the 4th minute and the total power for the minute is 9 the total power demand after 4 minutes according to the 3 minute interval should be 14 10 9 3 11 Max Min Acuvim 398 meter can measure the max value of real system power reactive power and apparent power and the max min of the three phase voltage and current The data is stored in non volatile memory and can be accessed or cleared via meter front or communication Energy The energy measurement type includes Real time energy measurement and Time of Use energy m
25. 16 617H Phase C Current 13 Float R 618 619H Average Phase Current Inavg Float R 61A 61BH Neutral Line Current In Float R 61C 61DH System Power P Float R 61E 61FH System Reactive Power Q Float R 620 621H System Apparent Power S Float R 622 623H System Power Factor PF Float R 624 625H Load Nature RT Float R 626 627H Phase A Current Demand Float R 628 629H Phase B Current Demand Float R 62A 62BH Phase C Current Demand Float R 62C 62DH Power Demand Float R 62E 62FH Reactive Power Demand Float R 630 631H Apparent Power Demand Float R Table 4 16 Primary side real time measurement data address Data and Time Table Function code 03H for reading 16H for presetting 2000 2099 501H Month 1 12 Word R W 502H Day 1 31 Word R W 0 23 504H Minute 505H Second 0 59 Word R W 506H Week 0 6 Word R W Table 4 17 Data and Time Energy Function Code 03H for reading 16H for presetting 0200H High E E 0 999999999 Dword R W 0201H Low daj 0202H High a Reactive Energy Eq 0 999999999 Dword R W 0204H High STE Apparent Energy Es 0 999999999 Dword R W Table 4 18 Real time energy data Laan 300 A Acuvim 398 energy includes real time energy and Time of Use energy Acuna 300 Energy Address Real time Time of Use Real Time energy address is in Table 4 18 Time of Use Energy TOU energy addresses include data
26. 300 98 V1 01 Appendix C Revision History 2011 11 1 1 Edition Your Power and Automation Partner ACCUEN HGY Los Angeles Toronto Beijing North American Toll Free 1 877 721 8908 Web www accuenergy com Email support accuenergy com
27. A02 Figure 2 6 Acuvim 300 Terminal Strip Safety Earth Connection N DANGER A de neous fs Before setting up the meter s wiring please make sure that the Only qualified professionals should install make sure the meter s and the switch gear s ground terminal together The power supply is cut off and all wires are de energized Failure to do so may result in severe injury or death switch gear has an earth ground terminal Connect both the following ground terminal symbol is used in this user s manual Power Supply Acuvim 300 series power supply is 100 415 Vac 50 60 Hz or 100 300 Vdc which is universally supported The meter s typical power consumption is very low and can be supplied by an independent source or by the measured load line A regulator or an uninterrupted power supply UPS should be used under high power fluctuation conditions 1A FUSE 100 415Vac o DL 100 300Vdc Power Supply O DN G Grourd Acuvim 300 Figure 2 8 Power Supply Choice of wire of power supply could be AWG22 16 or 0 6 1 5mm The independent power supply circuit loop must have a fuse or air circuit breaker The fuse could be 1A 250Vac time delay type If circuit breaker is used a CE certified product with compliance of IEC947 is recommended Terminal G 21 must be connected to the ground terminal of switchgear Anisolated transformer or EMC flter should be used in the auxiliary power supply loop
28. Acuvim 300 series Multifunction Power Meter User s Manual ALLUEIVEARGY CopyRight O 2011 V1 101 This manual may not be altered or reproduced in whole or in part by any means without the expressed written consent of Accuenergy The information contained in this document is believed to be accurate at the time of publication however Accuenergy assumes no responsibility for any errors which may appear here and reserves the right to make changes without notice Please ask the local representative for latest product specifcations before ordering Document 1080C1101 Revision Date Nov 2011 umam 300 Please read this manual carefully before installation operation and maintenance of Acuvim 300 series meter The following symbols in this manual are used to provide warning of danger or risk during the installation and operation of the meters hewn 300 4 Electric Shock Symbol Carries information about procedures which must be followed to reduce the risk of electric shock and danger to personal health h Safety Alert Symbol Carries information about circumstances which if not G considered may result in injury or death Prior to maintanence and repair the equipment must be de energized and grounded All maintainence work must be performed by qualified competent accredited professionals who have received formal training and have experience with high voltage and current devices Accuenergy shall not be responsible
29. Function Data Check 8 Bits 8 Bits N x 8 Bits 16 Bits Table 4 1 Data framing format 2 2 Address Field The address field of a message frame contains eight bits Valid slave device addresses are in the range of 0 247 decimal A master addresses a slave by replacing the slave address in the address feld of the message When the slave sends its response it places its own address in this address feld of the response to let the master know which slave is responding 2 3 Function Field The function code field of a message frame contains eight bits When a message is sent from a master to a slave device the function code field tells the slave what kind of action to perform 01 Read DO status Obtain Digital Relay Output current status ON OFF 02 Read DI status Obtain Digital Input current status ON OFF 03 Read data Obtain current binary value from one or more registers 05 Control DO Control Digital Relay Output ON OFF y Place specifc value into a series of consecutive multiple 16 Preset multiple registers registers Table 4 2 Function Code 2 4 Data Field Data field contains the data that terminals need to complete the request and the data that terminals response to the request Note The sequence of Address Function Code Data CRC check is always the same 2 5 Error Check Field The field allows the error check by master and slave devices Due to electrical noise and other interference a gr
30. Phase Voltage Phase Voltage Average Line Voltage Line Voltage Average Current Current Average Neutral Current System Power System Reactive Power System Apparent Power Power Factor for a total of 18 electric parameters Their number is 0 17 Due to the fact that different models measure different parameters AO1 parameter could be different Figure 3 46 AO parameter setting As the figure shows set AO1 parameter as Frequency press V A to confirm and enter the next page AO parameter setting number is listed as Table 3 2 Table 3 2 AO Parameter Setting Number All measuring parameter and analog output relationship is shown as Figure 3 47 and Figure 3 48 l E i mA gt 2 m 8 o 0012 c E g 04 gt gt gt E 45 65 0 PTI CTI 3PTIXCTI 3PTIxCTI 0 3PTIxCTI 0 5 C 1 0 5 L Frequency Hz Voltage Current V A Real Reactive Power W Var Apparent Power VA Power Factor Figure 3 47 4 20 0 20 mA Analog Output Be MA a 5 o Q O ess Z TAA S o e 01 gt gt 45 65 PTI CTI 3PTI CT1 3PTIxCTI 3PTI CTI osc 1 0s Frequency Hz gala VA Real Reactive Power W Var Apparent Power VA Power Factor Figure 3 48 1 5 0 5V Analog Output Figure 3 49 AO1 range setting Figure 3 51 AO2 range setting 2 screen AO1 range setting Acuvim 300 extended AO provides range setting Current AO 0 0 20mA 1 4 20mA Voltage AO 0 0 5V
31. ack address function code data starting address data bytes CRC check after the value is changed Data start Data start Data of Data of CRC16 CRC16 Addr Fun y A A reg hi reg lo reg hi Reg lo hi lo 11H 10H 02H 00H 00H 02H 42H EOH Table 4 13 Preset Multi reigster response frame Basic Measurements The data address of basic measurements includes Secondary data address Table 4 14 and Primary data address Table 4 16 Parameter Range Data Type Access Type Frequency F 0 65535 Word R Phase A Voltage U1 0 65535 Word R Phase B Voltage U2 0 65535 Word R Phase C Voltage U3 0 65535 Word R Average Phase Voltage Unavg 0 65535 Word R Line Voltage U12 0 65535 Word R Line Voltage U23 0 65535 Word R Line Voltage U31 0 65535 Word R Average Line Voltage Ull_avg 0 65535 Word R Phase A Current 11 0 65535 Word R Phase B Current 12 0 65535 Word R Phase C Current 13 0 65535 Word R Average Phase Current Inavg 0 65535 R 30DH Neutral Line Current In 0 65535 Word R 3 30EH System Power P 32768 32767 Integer R lt 30FH System Reactive Power Q 32768 32767 Integer R 310H System Apparent Power S 0 65535 Word R 311H System Power Factor PF 1000 1000 Integer R 312H Load Nature RT
32. and 4 999 13_ Demand 4 999A Inductive load Press V A to return the first screen If F is pressed the 3 screen Critical peak power demand will be displayed S lt Figure 3 27 Total current demand display 3 screen Critical peak power demand P_Demand 5 705kW Q_Demand 0 217kvar S_ Demand 5 706kVA T1 stands for Critical peak Inductive load Press V A to display the 4 screen Figure 3 28 Critical peak power demand display 4 screen Critical peak current demand 11_Demand 5 000A 12_Demand 4 999A 13_ Demand 4 999A Inductive load Press V A to return to the 3rd screen Pressing F key will display On peak power demand Press V A to switch different energy type under the same tariif Press F to switch among different tariffs Press to return to Total power demand Press Y and V A to exit to voltage display Figure 3 29 Critical peak current demand display Pressing F and V A simultaneously will activate the parameter setting mode At the same time SET is displayed on the top left corner In parameter settings mode F key is to move the cursor Every time the key is pressed the cursor will move one digit to the right the number where the cursor stays will be flashing is to increase the value y is to decrease the value V A key is for confirmation on the change and scroll to the next settings screen On any parameter setting screen pressing
33. d RAW AF4H AE6H a a sj e of 29th Holiday Word RAW AE7H AESH ee ca ai ye al of 30th Holiday Word RAW AEAH Ten year Holiday Setting E oro R W AEBH Starting year of Ten year Holiday Range is lower R W AECH Ending year of Ten year Holiday thamioreaual Table 4 21 TOU Settings 10 years Power Quality Parameter Settings Function Code 03 to read Voltage and Current THD 400H VI or V12THD_V1 0 10000 Word R 401H V2 or V31 THD_V2 0 10000 Word R 402H V3 or V23 THD_V3 0 10000 Word R 403H 11 THD_11 0 10000 Word R 404H 12 THD_ 12 0 10000 Word R 405H 13 THD_ 13 0 10000 Word R The following s are voltage harmonics The format of all voltage harmonics are the same V1 or V12 harmonics 2nd to 406H 423H 0 10000 Word R 31st order 424H 441H V2 or V31 harmonics same as V1 Word R 442H 45FH V3 or V23 harmonics same as V1 Word R The followings are current harmonics The format of all cu rrent harmonics are the same 460H 47DH 11 harmonics 2nd to 31st 0 10000 Word R 47EH 49BH 12 harmonics same as l1 Word R 49CH 4B9H 13 harmonics same as l1 Word R Table 4 22 Harmonic Parameters The relationship between communication value and actual value can be found below Rx is the communication value Harmonic THD R 10000 100 4 THD Rx 10000x100 No unit Table 4 23 Harmonic Data Conversion DI Status Function Code 02 to read
34. dc If the circuit wire is long the voltage level can be raised However the max current should not exceed 7 5 mA Acuvim 300 provides a 24Vdc DI power supply for user s convenience The power supply is 1W terminal blocks are 24 24G 13 15 It can only be used as DI power supply cannot be used for other purposes The DI power supply that Acuvim 300 provides has the following wiring scenario Wire size is AWG 22 16 or 0 5 1 3 mm S1 S2 S3 S4 I 13 14 15 22 23 24 25 26 27 24 NC 24G DI1 DI2 C12 DI3 DIA C34 Aux Power Digital Input Acuvim 300 Figure 2 18 Self Powered Digital Input Relay Output Acuvim 300 series IO option has two relay outputs which can be used either as remote control operation or over under limit alarming The terminals are 011 012 28 29 and 021 022 30 31 Aux Power Supply Medium Relay 011 Ta 28 Acuvim 300 o 012 Medium Relay Coil Figure 2 19 Relay Output The relay outputs are Form A normally open electromagnetic relay If normally closed relay is required it needs to be specified when the order is placed The nodal capacity is 3A 250Vac or 3A 30Vdc If the coil has a high capacity a medium replay is recommended The relay outputs have two options One is latching the output is ON and OFF state the other is Momentary the output changes from OFF to ON
35. diation and high electrical noise sources Installation Steps Acuvim 300 series power meter is generally installed into the switchboard panel 1 Cut a square or round hole on the panel of the switch gear The cutout size is shown in Figure 2 3 Unit mm 300 AWA lt 93 A m 9 05 0 0 Panel Figure 2 3 Panel Cutout 2 Remove the clips from the meter and insert the meter into the square hole from the front side 11 Figure 2 4 Put the meter into the opening 3 Install clips on the back side of the meter and secure tightly to ensure the meter is affixed to the panel See Figure 2 5 umam 300 Figure 2 5 Install the clips Terminal Strips There are 3 groups of current terminal strips A Current and Volage Input Terminal Strips 1 2 3 4 5 6 9 10 11 12 111 112 121 122 131 132 VN V3 V2 vi B 24Vdc power supply Communication Power Supply Terminal Strips NC 24G A B S L N G 13 14 15 16 17 18 19 20 21 200 00D DODD C DI RO DO AO Terminal Strips a 24 25 26 27 28 29 30 31 22 33 34 35 DI1 DI2 C12 DI3 DI4 011 012 021 02 AO1 AO1 A02
36. easurement The function is described as follows Real time energy the accumulation of energy for the system kWh kvarh and kVAh since cleared last Time of Use energy User can assign up to 4 diferent tariffs Critical peak On peak Mid peak Off peak to different time period within a day according to the billing requirements The meter will calculate and accumulate energy to different tariffs according to the meter s internal clock timing and TOU settings TOU setting User can set a maximum of 12 TOU seasons each season can be assigned to a TOU schedule a maximum of 14 TOU schedules are available Each schedule can be divided up into 14 segments in which each segment can have its own tariff 58 User can customize the TOU calendar including its tariffs seasons schedules and segments according to diferent applications To make sure that the TOU calendar is setup correctly the meter will check the TOU settings according to the predefined rules see below for TOU setting format requirement for details TOU function will be disabled if the TOU calendar is set up incorrectly If no errors are found in the calendar and the TOU function is enabled TOU energy accumulation will begin TOU setting format requirments 1 Season setting parameter The calendar year will be divided up into different seasons depending on the season setting parameter The parameter can be selected from any integer between 1 to 12 User must enter t
37. elay register starting address and the number of registers to be read Table 4 4 depicts of reading Relay 1 and Relay 2 status of the slave device with the address of 17 Data start Data start Data of Data of CRC16 CRC16 Addr Fun R reg Hi reg lo regs hi regs lo Hi Lo 11H 01H 00H 00H 00H 02H BFH 5BH Table 4 4 Query frame of reading Relay Output status Response The slave device anwsers the master device s query The response frame contains slave device address function code data quantity and CRC check Each relay utilizes one bit 1 ON 0 OFF Table 4 5 depicts the response frame Addr Fun Byte count Data CRC16 hi CRC16 lo 11H 01H 01H 02H D4H 89H Data Bytes 7 6 5 4 3 2 1 0 0 0 0 0 0 1 0 MSB LSB Relay 1 OFF Relay 2 ON Table 4 5 Response frame of reading Relay Output status 2 Read the status of DI Function Code 02 Query On top of slave device address and function code query frame must contain the digital input register starting address and the number of registers to be read DI register address starts from 0000H DI1 0000H DI2 0001H DI3 0002H DI4 0003H Table 4 6 depicts of reading DI1 to DI4 status of the slave device with the address of 17 Addr Fun DI start DI start DI num DI num CRC16 CRC16 addr Hi addrLo Hi Lo Hi Lo 11H 02H 00H 00H 00H 04H 7BH 59H Table 4 6 Query frame o
38. equirements With a mounting depth of only 65mm the meter can even fit in small draw out type cabinets It utilizes a self lock installation mechanism eliminating the necessity of fix bolts which makes installation or removal quick and convenient User Friendly Interface Acuvim 300 series utilizes a clear high definition LCD screen with large characters The LCD screen comes with a brightness adjustable backlight which ensures easy observation of metering data in any enviornment With a large LCD screen display the four keys on the meter front allow users to observe multiple parameter data at the same time The meter parameter settings can be set either via front panel keys or the communication port The S m parameter settings are saved in non volatile EEPROM which remains when power is off High Safety High Reliability a Acuvim 300 series meter was designed according to industrial standards It can run reliably under high power disturbance conditions This meter has been fully tested for EMC and safety compliance in accordance with multiple international standards The casing is highly fire resistant due to high quality durable engineering plastics Acuvim 300 series products can be utilized as Remote Terminal Units RTU in power automation systems to provide data monitoring and acquisition It can also be utilized as a multifunction power meter in a wide range of applications The true RMS measurement and digital signal processing
39. f reading DI status Response The slave device anwsers the master device s query The response frame contains slave device address function code data quantity and CRC check Each DI utilizes one bit 1 ON 0 OFF Table 4 7 depicts the response frame Table 4 7 depicts DI1 0N DI2 ON DI3 OFF DI4 OFF Addr Fun Byte count Data CRC16 hi CRC16 lo 11H 02H 01H 03H ESH 49H 0 0 0 DI4 DI3 DI2 D1 0 0 0 0 0 1 1 MSB LSB Table 4 7 Response frame of reading DI status 3 Read Data Function Code 03 Query This function allows the master to obtain the measurement results from the meter The following table shows how to read the 3 measured data F V1 and V2 from slave device number 17 the data address of F is 0130H V1 is 0131H and V2 is 0132H Data start Data start Data of reg Data of Addr run addr hi Addr Lo hi regs lo Srdela 11H 03H 03H 00H 00H 03H 1FH Table 4 8 Read F U1 U2 query frame Response Response frame contains slave device address function code data quantity and CRC check F 1388H 50 00Hz U1 03E7H 99 9V U2 03E9H 100 1V Byte Data1 Data1 Data 2 Data2 Data3 Data3 CRC16 CRC16 Addr Fun P count hi Lo hi lo hi Lo hi 11H 03H 06H 13H 88H 03H E7H 03H E9H 7FH 04H Table 4 9 Read F U1 U2 response frame 4 Control Relay Output Function Code 05 Quer
40. he correct value for the season setting parameter in accordance to the TOU season table If the season setting parameter is set as 2 the first 2 slots of the TOU season table must be set otherwise it will be considered as an invalid input TOU function will be disabled 2 Season format Enter the start date into the TOU season table slot following this format MM DD ID MM stands for the month DD stands for the day and ID stands for the TOU schedule ID available from 01 to 14 The dates should be organized so that they are in sequence according to the calendar year the earlier date comes first and the later date comes last For example if 3 seasons are selected the date parameters are January 1 June 6 and September 7 and TOU schedule 02 01 03 will be used respectively the frst TOU season table slot shall enter 01 01 02 the second slot shall enter 06 06 01 and the third slot shall enter 09 07 03 Entering 01 01 02 for the first slot 09 07 03 for the second slot and 06 06 01 for the third slot is considered invalid 3 Schedule setting parameter The number of available TOU schedules depends on the schedule setting parameter The parameter can be selected from any integer between 1 to 14 This parameter determines the number of TOU schedules available for the TOU calendar setting A maximum of 14 TOU schedules from TOU Schedule 1 to TOU Schedule 14 59 can be used 4 Segment setting parame
41. holding it for a time period Ton and then go back to OFF state Ton time can be set as 800ms The relay control circuit wiring can be chosen as AWG22 16 or 0 5 1 5mm DO output Acuvim 300 series IO extension has two Digital Output DO which can be used as remote control output over under limit alarming energy pulse output etc When DO is chosen as remote control or alarm output the output type is the same as the relay output The two DO can also be used as energy pulse output which can be set as energy output or reactive energy output The pulse constant is 800 6000 pulse width is 60ms DO utilizes Photo Mos format E AAA DO Out Photo MOS Y 4 Power Acuvim 300 DO Figure 2 20 Digital Output Analog Output Acuvim 300 series offers two Analog Ouput that can be utilized in DCS system or industrial montioring and controlling equipment By pressing the buttons or changing the communication settings it can convert any of the 17 measured data Please refer to Chapter 3 for detailed configurations The Analog Output type is voltage type 0 5V 1 5V configurable current type 0 20mA 4 20mA configurable vec Vcc Load VO Load Acuvim300 R R2 Acuvim 300 oy Voltage Type Current Type Users should utilize AO within the maximum load capacity Current Type max load resistance 500 Ohm Voltage Type max l
42. iday Date and Schedule Number of 1st Holida ARORAA Pes Day Schedule Number ward Holiday Date and Schedule Number of 2nd Holida Best AaaH Men Day Schedule Number ward Holiday Date and Schedule Number of 3rd Holida pablo Wer Day Schedule Number X wora Holiday Date and Schedule Number of 4th Holida AIMAB ad Day Schedule Number X Word A9CH A9EH Holiday Date and Schedule Number of 5th Holiday Word Month Day Schedule Number Holiday Date and Schedule Number of 6th Holiday APM Month Day Schedule Number non ME oka faw pona eee TERY wort m aka ra Ho an peren schede Nune ERY woa faw aac aco pO rds Ramer T oa faw a e e a woa few aci woa fow porno oe e Y woa few Aan tog Se eee Y oa faw AAA Y oa faw Acre acon ie ree Ramer TRY woa faw aja woa fiw AAA Moa faw ACOH ACBH Holiday Date and Schedule Number of 20th Holiday Word RW Month Day Schedule Number Holiday Date and Schedule Number of 21st Holiday A TACEN Month Day Schedule Number mond RAW ACFH AD1H fae a Shen je ok of 22nd Holiday Word RAW AD2H AD4H ae oe one emia aa of 23rd Holiday Word RAW ADSH AD7H ered an Sa ja go oj of 24th Holiday Word RAW ADSH ADAH ea po Sian aria aa of 25th Holiday Word RAW ADBH ADDH P o a ea of 26th Holiday Word RAW ADEH AEOH haa aa ai of 27th Holiday Word RAW AETH AE3H rana e PED of 28th Holiday Wor
43. if there is a power quality problem in the power supply A FUSE Power O k E os Supply ON NOY Os e D EMC filter Figure 2 9 Power supply with EMC filter Voltage Input Voltage input range is 40 400Vac L N 70 690 Vac L L The range fits three phase low voltage system not larger than 120V or high voltage system that has secondary PT 100V It also fits three phase low voltage system not larger than 400V or high voltage system thathas secondary PT 400V A fuse typical 1A 250Vac or air circuit breaker must be used in the voltage input loop Warning In no circumstance should the secondary of the PT be shorted The secondary of the PT should be grounded at one end Please refer to the wiring diagram section for further details Please make sure to select an approprate PT to maintain the measurement accuracy of the meter When connecting using the star confguration wiring method the PT s primary side rated voltage should be equal to or close to the phase voltage of the system to utilize the full range of the PT When connecting using the delta confguration wiring method the PT s primary side rated voltage should be equal to or closeto the line voltage of the system The wire for voltage input could be AWG16 22 or 0 6 1 5mm Current Input Current Transformers CTs are required in most engineering applications Typical current rating for the secondary side of the CT shall be 5A standard or
44. ignifcant bit MSB position The LSB is extracted and examined if the LSB equals to 1 the register is exclusive ORed with a preset fixed value if the LSB equals to 0 no action will be taken This process is repeated until eight shifts have been performed After the last eighth shift the next 8 bit byte is exclusive ORed with the register s current value and the process repeats for eight more shifts as described above The fnal contents of the register after all the bytes of the message have been applied is the CRC value When the CRC is appended to the message the low order byte is appended frst followed by the high order byte Data start Data start Data of Data of CRC16 reg Hi reg lo regs hi regs lo Hi 00H 00H 00H 21H Table 4 3 Protocol Illustation Addr Fun Addr Slave device address Fun Function Code Data start reg hi Start register address high byte Data start reg lo Start register address low byte Data of reg hi Number of register high byte Data of reg lo Number of register low byte CRC16 Hi CRC high byte CRC16 Lo CRC low byte E a 1 Read Relay Output status Function Code 01 Query The master device sends query frame to the salve deivce Function Code 01 allows users to acquire the relay output status ON OFF of the slave device with the specified address On top of slave device address and function code query frame must contain the r
45. lready exceeded the meter Figure 3 8 System power demand display display range Press w In measured data display zone it displays energy related paramters Every time the key is pressed the screen will be scrolled to the next one Press F to switch between circuits 1 screen display real energy Ep Ep 18 2kWh Inductive load Press y again to display 2nd screen Figure 3 9 Real energy Figure 3 10 Reactive energy Jal L l kVAh eo 2p 4 eo A E Figure 3 12 Meter clock display 2 screen display reactive energy Ep Eq 13 2 kvarh Press W again to display 3 screen 3 screen display apparent energy Es Es 23 2 kVAh Press W again to return to the first screen For Acuvim 398 press W again to display the 4 screen 4 screen display meter current time The time in the left figure shows 11 02 May 6 2011 Inductive load Press y again to return to the first screen E a Press F display harmonics information Every time F is pressed the screen will scroll to the next screen 1 screen Voltage Total Harmonic Distortion U1_Thd 2 03 U2_Thd 1 88 U3_ Thd 2 28 Inductive load press W to display the 2 screen 2 screen Current Total Harmonic Distortion 11_Thd 2 13 12_Thd 2 28 13_Thd 1 36 Press w to return to the 1 screen TE 10 bo pes ed es Figure 3 14 Current THD Acuvim 398 can display max demand and Time of Use Energ
46. nabled if the current year of the meter falls into the Ten year Holiday setting it automatically loads the Ten year Holiday settings into the current TOU settings If the current year of the meter does not fall into the Ten year Holiday setting it remains the current TOU settings Acuvim 398 can record maximum power and current demand under different tariffs as well as the time stamp of the maximum value It can also clear the maximum demand under different tariffs Daylight Saving Time DST When DST is enabled there are two ways to adjust the clock to DST If Fixed Date method is chosen DST will be implemented by a fixed date and time whose setting format is month day hour minute adjustment unit minute If Non fixed Date method is chosen DST will be implemented by which day of which week whose setting format is month which day i e Tuesday which week i e 1st week hour minute adjustment unit minute There are two ways of automatic resetting of current month TOU 1 End of Month This is the default method All values from Current Month TOU will be copied over to Prior Month TOU at the very beginning of each month the frst day of each month at time 00 00 00 Current Month TOU will be cleared and reset to 0 2 Assigned Clock User can select when the values from Current Month TOU would be copied over to Prior Month TOU User can set the time in the following format DD HH MM SS DD stands for day HH stands for hour
47. nd writable Write uses Function Code 10H Writing into unlisted or non writable registers is not allowed 3 Real time measurement data 0300H 0340H need to be read with correct data type range and relationship between communication value and real value 4 The format of Energy and Meter Running Hours is 32 bit unsigned integer high byte and low byte uses one address respectively The software needs to use high byte to multiply 65535 and plus the low byte The unit is 0 1 kWh or 0 1 kVarh or 0 1 kVAh Appendix Appendix A Technical Data and Specification Appendix B Ording Information Appendix C Revision History i i Appendix A Technical Data and Specification Input Ratings Voltage Rating Frequency Range 400 LN 690 LL Vac RMS 3 phase 400 LN Vac RMS single phase Installation Category Ill Pollution Degree II 45 65Hz Overload 2 times continuously 2500VAC 1sec non recurring Withstand 2500Vac 50 60Hz one minute PT Burden lt 0 2VA Measuring 2MQ Phase Current Rating support 3 phase 2 phase and single phase system 5Amp AC 1Amp AC Optional Current Range 50000A highest at primary side Overload 2 times continuously 20 times one second nonrecurring CT Burden lt 0 5VA Pickup Current 10mA ON Type Wet contact Max Input current 7 5mA Input Voltage 16 30Vdc Input Resistance 4kQ Isolation Voltage 2500V
48. ne voltage 3 screen Displays all phase current 11 12 13 11 5 002A 12 5 001A 13 4 998A Inductive load Communication status is ok Press V A again to return to the 1 t phase voltage screen For Acuvim 398 press V A to display the 4th screen 4 screen Displays all phase current demand I1_ Demand 12_Demand 13_Demand 11_Demand 4 999A 12_Demand 5 000A 13_ Demand 5 000A Press V A again to return to the 1 phase voltage screen Note when voltage wiring is set as 2LL or 3LL there is Figure 3 5 Phase current demand no phase voltage display When voltage wiring is set as 1Ln data only has the first line Press 48 In measured data display zone it displays power related paramters Every time the key is pressed the screen will be scrolled to the next one Press F to switch between circuits 1 screen display all phase real power P1 P2 P3 P 1 650kW Q 2 853kvar S 3 302kVA Inductive load Communication status is ok Press w to display the 2 screen Figure 3 6 Three jase power 2 screen display system frequency and power factor F 50 00Hz PF 0 500 Press AR to display the 2 screen For Acuvim 398 press to display the 3rd screen 3 screen display system power demand P_ Demand Q_Demand S_Demand P_Demand 5 705kW Q_Demand 0 217kvar S_ Demand 5 706kVA Press N to return to the 1 screen Note when power display value is 9999MW it means the measured data has a
49. nstant setting Acuvim 300 measures multiple electric paramters which are introduced in the following Voltage U True RMS value of three phase voltages three line to line voltages Current I True RMS value of three phase current average current and neutral line current Power P Total system power Reactive Power Q Total reactive power In sinusoidal or non sinusoidal systems reactive power meets Q D S P Q is True reactive power D is Budeanu s distortion power O O D is Generalized reactive power In a pure sinusoidal system since Budeanu s distortion power is 0 Generalized reactive power equals True reactive power However in a non sinusoidal system Generalized reactive power is larger than True reactive power Acuvim 300 can measure the reactive power above Apparent Power S Total system apparent power Power Factor PF System average power factor Frequency F The phase voltage input is measured as the system frequency priority is V1 V2 V3 Energy Acuvim 300 can measure energy reactive energy and apparent energy Power Factor Standards Acuvim 300 supports two standards IEC and IEEE The factory default is IEC The two standards are illustrated in Figure 3 65 Reactive Power Import Reactive Power Import oh Sale Power Import Power Import ale A A Ar TIT IEC Convention IEEE Convention Figure 3 65 Power Factor Convention Harmonic Parameters Total Harmonic Distortion
50. ntroductions m a Operational details of the meter will be described in this chapter This includes viewing real time metering data and setting parameters using different key combinations The front of the Acuvim 300 series meter consists of an LCD screen and four control keys All display segments are shown in Fig 3 1 below 2 MW jit jit jit Line12 ae imi a T1 T2 2 3 SAA THD PF 7 EY 7 0 ad DAJ JAR DAJ JARA and WY 3 1 ms LIA LI leal os AA A A slo slo slo o o Figure 3 1 All display segments shown im VA kvar Mvar Hz Hour kVA MVA kWh kvarh kVAh 6 o o Number Display Description 1 Mainly displays data of voltage current power power ag factor frequency etc Top left corner Item icon 2 g U voltage I current P active power q reactive power PF power factor S apparent power E energy 3 SET Indicates settings page display Small inductor inductive load Small capacitor capacitive 4 Loadtype E i oad type SE load 5 Communication No icon no communication One icon query sent Icon Two icons query sent and response received 6 s 1 Digital Input DI status display o o voltage V kV current A kA active power kW MW reactive power kvar Mvar apparent 7 Unit Display power kVA MVA frequency Hz active energy kWh reactive energy kvarh apparent energy kV Ah Percetage phase angle
51. oad current 20 mA Over Under Limit Alarming Acuvim 300 has over under limit alarming capability When the monitored parameter goes beyond below the preset limit and stays at the level over the preset amount of time delay the over under limit alarm will be triggered RO1 DO1 or RO2 DO2 output can be utilized as alarming output signal The following example illustrates the alarming function When Phase B current goes above 180A CT ratio is set as 200 5 for over 15 seconds over limit alarm will be triggered alarm signal will be set out via RO1 DO1 Setting procedures should be as follows 1 Configure RO1 DO1 output as Alarming Output set its mode to 2 2 Set alarming delay time as 15s 3 Set alarming parameter as Phase B current according to alarming parameter table parameter should be set as 11 4 Set alarming condition larger than The inequality sign should be set as 1 5 Alarming threshold setting should be set according to Real value Set value x CT1 CT2 1000 180A is the alarming value so Set value 4500 Therefore the setting of RO DO has been completed If phase B current is larger than 180A and lasts longer than 15 seconds an alarm will be triggered Communication Acuvim 300 series meter uses RS485 serial communication and the Modbus RTU protocol The terminals of communication are A B and S 16 17 and 18 A is diferential signal B is diferential signal and S is connected to the shield of twisted pai
52. or liable for any damages or injuries caused by improper meter installation and or operation Copyright _ 22 nanan nnn nn nnn nnn nnn nnn I About Safety ll Content ooo nono ooo onamo Ill Welcome to Acuvim 369 _ _____ _ _ nnn nnn IV Chapter 1 Introduction 1 1 1 Meter Overview 2 1 2 Areas of Application 1 3 Acuvim 300 Series Chapter 2 Installation 2 1 Appearance and Dimensions 2 2 Installation Methods 2 3 Wiring 12 2 4 10 Extension 1 Chapter 3 Meter Display and Operation 3 1 Display Panel and Keys 3 2 Metering Data 32 3 3 Statistic Data _ _ nnn nnn ence nnnmennnmmnnn 36 3 4 System Parameter Settings 42 3 5 10 Parameter Settings __ _ _ __ _ _ rt 48 3 6 Parameter Introductions ____________________ 55 Chapter 4 Communication nnn 63 4 1
53. oup of data may be changed transmitted from one location to the other Error Check ensures master or slave devices do not reponse those distorted data during the transmission which enhanced the system security and efficiency Error Check uses 16 bit Cyclic Redundancy Check CRC 16 2 6 CRC Check Every message includes an error checking field which is based on the Cyclical Redundancy Check CRC method The CRC field checks the contents of the entire message It is applied regardless of any parity check method used for the individual characters of the message The CRC field is two bytes long containing a 16 bit binary value The CRC value is calculated by the transmitting device and is appended to the message The receiving device recalculates the CRC value during reception of the message and compares the calculated value to the actual value it received in the CRC feld An error will be reported if the two values are not equal CRC calculation is frst started by preloading the whole 16 bit register to 1 s The process begins by applying successive 8 bit bytes of the message to the current contents of the register Only the eight bits of data in each character are used for generating the CRC Start and stop bits and the parity bit do not apply to the CRC When generating the CRC each 8 bit character is exclusive ORed with the register contents The result is shifted towards the least signifcant bit LSB with a zero flled into the most s
54. r cable The overall length of the RS485 cable connecting all devices can not exceed 1200m 4000ft Utilizing a large number of RS485 devices and utilizing a high baud rate will make the communication range shorter Acuvim 300 works as Slave device Maser device can be PC PLC Data Acuqusition Device or RTU In order to improve communcation quality please pay attention to the following A high quality Shielded Twisted Pair cable is very important AWG22 0 6mm2 or lower is recommended Two cables should be different colors Pay attention to single point earthing It means there is only one point of the shielding connected to ground in a single communication link Every A should be connected to A B to B or it will infuence the network and possibly damage the communication interface T type connection topology should be avoided This means no new branches except from the starting point Keep communication cables away as much as possible from sources of electrical noise When several devices are connected daisy chain to the same long communication line an anti signal reflecting resistor typical value 120 3000hm 0 25W is often used at the end of the circuit the last meter of the chain if the communication quality is distorted foe N 00 WNN c 3 1 Display Panel and Keys 3 2 Metering Data 3 3 Statistic Data 3 4 System Parameter Settings 3 5 IO Parameter Settings 3 6 Parameter I
55. r use thedefault factory settings User can reset the TOU calendar to its default value either via communication TOU Holiday Use Firstly set the holiday number then set the specific holiday the format is MM DD Schedule ID When the meter clock is within the set schedule ID energy will be accumulated with the tariff associated with the set schedule Note Holiday schedule has the highest priority among all the schedules Weekend schedule When Weekend schedule is set as 0 it is disabled When Weekend schedule is set as 1 it means Sunday effective When Weekend schedule is set as 2 it 60 means Saturday effective When weekend schedule is set as 3 it means both Saturday and Sunday effective When Weekend schedule is enabled bitO means Sunday bitl bit6 mean Week 1 to Week 6 When the meter clock is within the period of weekly interval energy will accumulate to the tariff associated with the weekend schedule setting Note Weekend schedule s priority is followed by Holiday schedule When Holiday schedule is not enabled Weekend schedule has the highest priority overiding the normal weekday schedule Ten year Holiday setting Users can preset holidays of next decade via the meter software The holiday format is month day year holiday code holiday schedule After the format setup click on Make Holiday Settings 10 year then a holiday table for the next decade will be generated Holiday Auto Switch When Ten year Holiday is e
56. s setting Acuvim 300 has 5 levels of backlight brightness 1 is minimum light level 5 is maximum light level The left figure shows leve 5 the brightest Press V A to confirm and go to the 15 screen For Acuvim 398 it will go to the 13 screen 13 screen sliding windows time for demand setting Sliding windows time of demand can be set from 1 30 minutes The window slides once per minute The left figure shows demand window is set as 15 minutes Press V A to confirm and go to the next screen S lt Figure 3 43 Sliding window demand 14 screen demand clear Press and 4 to switch between Yes and No If Yes is selected press V A to confirm to clear the demand If No is selected press V A and it will not clear the energy Figure 3 44 Demand clear 15 screen password settings This is the last screen in system parameter setting mode The password can be changed in this page It is important to remember the new password The left figure shows the password is set as 0001 Press V A to confirm and save and return to the first communication address setting screen Figure 3 31 Password 3510 Parmeter sentimos hu Under system settings mode press F and N simutaneously to enter extended I O setting mode I O settings configuraiton follows the same system configuration settings 1 screen AO1 parameter setting AO1 parameter can be set as Frequency
57. tailed information related to communcations including communcation protocol formats and parameter address mapping Appendix Provides all Acuvim 369 technical data and specifications ordering information etc 1 1 Meter Overview 1 2 Areas of Application 1 3 Acuvim 300 Series Powerful yet Cost effective Acuvim 300 series multifunction power meter utilizes advanced microchip technology and DSP technology Electrical parameters that can be measured includes Voltage Cu rrent Power Reactive Power Apparent Power Power Factor Frequency Energy React ive Energy Apparent Energy Demand Peak Demand Harmonics 2nd 31st order In addition it has Time of Use feature including Tarriffs Daylight Savings Time and Decade Holiday Settings Acuvim 300 series are equipped with True RMS measuring processor which ensures it measures electrical parameters accurately in a high harmonic polluted environment It fits in medium low voltage distribution network electrical instrument power automation plant automation etc Acuvim 300 series has standard communication port that allows remote monitoring and controlling systems Mutilple IO interfaces meets the users demand of digital and analog inputs or outputs Acuvim 300 series offers various models flexible IO extention which is versatile for different occasions saving the customers costs Compact and Easy to Install Acuvim 300 series dimensions meet the IEC standard 92mm DIN Square r
58. ter Each TOU schedule consists of various timing segments The number of segments depends on the segment setting parameter setup The parameter can be selected from any integer between 1 to 14 inclusively User must enter the correct value for the segment setting parameter in accordance to the TOU schedule table If the segment setting parameter is set as 3 the frst 3 slots of the TOU schedule table must be set otherwise it will be considered as an invalid input TOU function will be disabled 5 Tariff setting parameter Tariff setting is any integer between 0 and 3 It represents the maximum number of tariffs used in TOU energy measurement For instance if the tariff setting parameter is set to 3 all of the 4 tariffs will be available if the parameter is set to 1 only the frst 2 tariffs Critical peak and On peak will be available When tariffs number is set it still needs to be set in Schedule settings where the tariff will be set as any one of 0 1 2 3 0 means Critical peak 1 means On peak 2 means Mid peak 3 means Off peak 6 Holiday setting parameter This parameter can be set from any integer between 1 and 30 meaning a maximum of 30 holidays can be programmed to the TOU calendar If the holiday setting parameter is set as 3 the frst 3 slots of the holiday schedule must be set otherwise it will be considered as an invalid input TOU function will be disabled Note User can either customize the TOU calendar factory settings o
59. ult is 0 Error Code default 0 the setting of parameter is correct 1 tariff setting error 2 schedule setting error 4 segment setting error 8 season setting error 16 parameter of season setting error 32 holiday setting error 64 parameter of holiday setting error 256 tariff of schedule setting error 512 time of schedule setting error 1024 period of schedule setitng error 048 period of weekend setting error 4096 weekend setting error ee mrav wor AA wor a wor sane pion De dss hs wor a oo wor a a wor See a wor aan I m wor So eee wor Ar wa an i e T Sn wor amaaan lanna pareari sedea ese won a amo E Wo Starting Time and Tariff Number of 3rd Scheule of 1st STAFRSACH Schedule Table Hour Minute Tariff Number META RAN En Wot RX A E ll a A Eno Br A roi a Ae oft ocu yog rv A von row BSFH SETH et Schedule Table Hour Minute Tariff Number Word RW acne ering near e B6BH BEAH iie Schedule Table Hour Minute Taff Numbeg _ Word RW B6BH 86DH e Schedule Table Hour Mint Tarif Numben _ WOA RW B6EH 8S7H ond Schedule Table Hour Minute arf Number schedule Table M BOSH ECIH Far Schedule Table Hout Minute Tariff Number schedule Table M BCOH BEBH oath Schedule Table Hout Minute arf Number schedule Table M
60. ut Press V A to go to the next screen 11 screen RO2 DO2 alarming parameter setting When RO2 DO2 working mode is set as Alarming Output the set method is the same as RO1 DO1 12 screen RO2 DO2 alarming setpoint setting When RO2 DO2 working mode is set as Alarming Output the set method is the same as RO1 DO1 Dann 300 13 screen RO2 DO2 alarming delay time setting When RO2 D02 working mode is set as Alarming Output the set method is the same as RO1 DO1 Figure 3 60 RO2 DO2 alarming delay time setting 14 screen RO2 DO2 alarming delay time setting When RO2 DO2 working mode is set as Alarming Output the set method is the same as RO1 DO1 Figure 3 61 RO2 DO2 alarming inequality setting 15 screen DO1 pulse energy output selection Select which energy type the DO1 output is 0 None 1 Output energy 2 Output reactive energy Figure 3 62 DO1 pulse energy output selection 16 screen DO2 pulse energy output selection Select which energy type the DO2 output is 0 None 1 Output energy 2 Output reactive energy Denim 300 Figure 3 63 DO2 pulse energy output selection 17 screen pulse constant setting Range 800 6000 Unit pulse kWh kvarh The left figure shows pulse constant is set as 3600 Press V A to return to the first screen setting To exit extended IO mode press F and 4 simutane ously to exit to the system parameter settings mode Figure 3 64 DO2 pulse co
61. utput 2AO ojojo Communication RS485 Modbus RTU e e e 4 Voltage V ojo Current l o Power P o Metering Reactive Power Q e Apparent Power S e Power Factor PF o Frequency Hz eje Energy Ep ojo Energy Reactive Energy Eq eje Apparent Energy Es eje Power Voltage Total Harmonic Distortion o Quality Current Total Harmonic Distortion e Relay Output or 2RO ala Over Under Limit Alarming I O RO DO i Energy Pulse Output or Over Option pai i 2DO ojo Under Limit Alarming AO Analog Output 2AO ojo Note Acuvim 301 Acuvim 302 Acuvim 322 Acuvim 327 Acuvim 330 are multifunction power meters without communication port Acuvim 361 Acuvim 362 Acuvim 387 Acuvim 390 Acuvim 398 are multifunction power meters without communication port Table 1 1 Acuvim 300 series function comparisons Acuna 300 Chapter 2 Installation 2 1 Appearance and Dimensions 2 2 Installation Methods 2 3 Wiring 2 4 IO Extention The installation method is introduced in this chapter Please read this chapter carefully before beginning installation l i Appearance Figure 2 1 Acuvim 300 Appearance High intensity fire resistant engineering plastics 1 Casing 2 Front Casing Visible portion after mounting onto a panel 3 Display 4 Key Large LCD display Four keys are used to select display and set
62. y This query frame forces the relay status to ON or OFF Data FFOOH sets the relay as ON and data OOOOH sets the relay as OFF The relay will not be influenced by any other data input The following is to query slave device 17 to set relay status as ON Addr Fun Do addr Do addr Value Value CRC16 CRC16 Hi Lo Hi Lo Hi Lo 11H 05H 00H 00H FFH 00H 8EH AAH Table 4 10 Control relay status query frame Response The correct response to this request is to send back the received data after the relay status is changed Addr Fun Do addr Do addr Value Value CRC16 CRC16 al Lo Hi Lo Hi Lo 11H 05H 00H 00H FFH 00H 8EH AAH Table 4 11 Control relay status response frame 5 Preset Reset Multi Register Function Code 16 Query Function 16 Hex allows the user to modify the contents of multiple registers The example below is a request to the address of 17 to Preset Ep_imp 17807783 3 kWh Since meter storage unit is 0 1 kWh the number to write into is 178077833 and its HEX value is 0A9D4089H Ep_imp data address is 0200H and 0201H Addr Fun Data start Data start Data Hof Data of Byte Count reg hi reg lo reg hi reg lo 11H 10H 02H 00H 00H 02H 04H Value Hi Value Lo Value Hi Value lo CRC hi CRC Lo OAH 9DH 40H 89H F8H 6CH Table 4 12 Preset Muti register query frame Response The correct response is to send b
63. y Pressing F and simultaneously will display max demand Pressing v and F simultaneously will display Critical peak On peak Mid peak Off peak Time of Use Energy Press F Vv display current max demand 1 screen current max demand 11_Demand_max 5 000A I2_ Demand_max 4 999A 13_ Demand_max 4 999A Inductive load communication status okay Press V A to display the 2 screen S lt Figure 3 15 Current demand max display 2 screen Power demand max display P_Demand_max 5 705kW Q_Demand_ max 0 217kvar S_Demand_max 5 706kVA Inductive load Press V A to return to the 1 screen Press F and to exit to voltage display Figure 3 16 Power demand max display Time of Use Energy display Press V A display Time of Use Energy 1st screen Total energy Ep 698 3kWh Inductive load Press V A to display the second screen Figure 3 17 Total energy display 2 screen Total reactive energy Eq 52 4kvarh Inductive load Press V A to display the 3 screen Figure 3 18 Total reactive energy display 3 screen Total apparent energy Es 727 1kVAh Inductive load Press V A to return to the 1st screen If F is pressed it will display Critical peak energy in the 4 screen Figure 3 19 Total apparent energy display 4 screen Critical peak energy Ep 93 2kWh T1 stands for Critical peak Inductive load Press V A to

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