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EV/DV300 Series Power Meter

Chapter 1: Introduction

V:2.0 Revised October 2018

[Cover page]

Summary of Contents for DV300 Series

Page 1: ...EV DV300 Series Power Meter Chapter 1 Introduction V 2 0 Revised October 2018 1 Cover page...

Page 2: ...ther means without the written permission of Accuenergy Tech The information contained in this document is believed be accurate at the time of publication however Accuenergy assumes no responsibility...

Page 3: ...in the operating or setting process Danger symbol failure to observe the information may result in injury or death Alert symbol alert the potential danger Prompt symbol this symbol is used where the m...

Page 4: ...nstallation 11 Installation Steps 12 2 3 Wiring 13 Safety Earth Connection 14 Auxiliary power 14 Voltage Input 15 Current Input 16 2 4 I O Wiring Method 18 Chapter 3 Operation and Setting 24 3 1 Displ...

Page 5: ...EV DV300 Series Power Meter Chapter 1 Introduction V 2 0 Revised October 2018 5 EV DV300 Series Power Meter Chapter 1 Introduction 1 1 Description of EV DV300 1 2 Application Area 1 3 Meter Overview...

Page 6: ...in one unit possible This can save large cost for user in setting up electric power automation system Small Size Easy Install EV DV300 series was designed in compact size DIN96 96 and reduced depth 60...

Page 7: ...puter etc It s application area includes Power Distribution Automation Intelligent Electric Switch Gear Industrial Automation Building Automation Energy Management Systems Industry Apparatus 1 3 EV DV...

Page 8: ...r S Power Factor PF Frequency Hz Energy Energy kWh Reactive Energy kVarh I O Digital Input 2 DI DI Expanding 4 DI Relay Output Energy pulse Output 2 RO DO Analog Output 24Vdc Power AO PO Comm RS485 Mo...

Page 9: ...Series Power Meter Chapter 1 Introduction V 2 0 Revised October 2018 9 EV DV300 Series Power Meter Chapter 2 Installation 2 1 Appearance and Dimensions 2 2 Installation Steps 2 3 Wiring 2 4 I O Wirin...

Page 10: ...the meter 3 Display panel LCD display panel 4 Key Used to change display and setting the parameters 5 Key door Used to protect pressing keys by mistake 6 Clip Used to fasten the meter on the Electric...

Page 11: ...ent should satisfy the following conditions 1 Temperature EV DV300 meter s working temperature range are from 20 to 70 If the meter is used beyond this range it will result in unnormal performance or...

Page 12: ...12 3 Position EV DV meter should be installed in dry and dust free environment and avoid heat radiation and high electrical noise source Installation Steps 1 Panel Cutting 2 Secondly remove the clips...

Page 13: ...he backside and push the clips tightly so that the meter is fixed on the panel 2 3 Wiring Terminal Strips There are 3 groups of terminals on the back of the meter top middle and lower one The top grou...

Page 14: ...ary power supply of the Acuvim meter is 85 264Vac 50 60Hz or 100 280Vdc Typical power consumption of the meter is less than 2 5W Other type Aux Power supply is available on order option Please contact...

Page 15: ...in the auxiliary power supply loop if there is power quality problem in the power supply As in Fig 2 9 Voltage Input Two Voltage Input options of EV DV300 meter are 100Vac and 400Vac 100Vac option is...

Page 16: ...ter should be as shorter as possible The length of the wire may increase the error of the measurement The wire number of current input could be AWG15 16 or 1 5 2 5 mm2 Wiring of Un Un is the reference...

Page 17: ...V300 Series Power Meter Chapter 2 Installation V 2 0 Revised October 2018 17 1 Wye mode 3CT Wiring mode set 0 2 Star mode 2CT Wiring mode set 0 3 Delta mode Wiring mode set 2 4 Star mode Wiring mode s...

Page 18: ...or 2DO 2 analog output or 1PO and a RS485 communication port Digital Input There are 2 digital inputs in the EV300 series meter can be extended to 6 digital input can be used as monitoring switch stat...

Page 19: ...rol the electric switch There are two relay output modes for selection one is latching and the other is momentary For the latching mode the relay can be used to output two status on or off For the mom...

Page 20: ...tput There are two optional analog output in EV DV300 series meter used in DCS or industry monitoring system The analog output can be assigned to a metering parameter over front keys or communication...

Page 21: ...mit The alarm can be related to relay output or LCD back light flashing The setting of alarm is as following 1 Set the relay output mode as alarm RO 2 2 Assign metering parameter to alarm Refer Table...

Page 22: ...are A B and S 11 12 13 A is differential signal B is differential signal and S is connected to shield of twisted pair cable Up to 32 devices can be connected on a RS485 bus Use good quality shielded t...

Page 23: ...ries Power Meter Chapter 2 Installation V 2 0 Revised October 2018 23 EV DV300 Series Power Meter Chapter 3 Operation and Setting 3 1 Display Panel and Keys 3 2 Metering Data Reading 3 3 Meter Paramet...

Page 24: ...on and Setting V 2 0 Revised October 2018 24 Chapter 3 Operation and Setting 3 1 Display Panel and Keys There are one LCD display panel and four operation keys in the front of EV DV300 All the segment...

Page 25: ...g data Two display Receiving and transmiting data 4 DI Status Switch 1 6 DI1 DI6 5 Unit Indicate metering data unit There are four fine keys labeled as E P and V A Use these four keys to read metering...

Page 26: ...ress V A key go to the second screen Note Communication and DI states display in each screen The Second screen display line to line voltage U12 U23 and U31 As in Fig 3 3 U12 173 2V U23 173 3V U31 173...

Page 27: ...st screen Press P key display power frequency power factor in metering data area The first screen display real power P reactive power Q and apparent power S As in Fig 3 6 P 0 375kW Q 0 649kVar S 0 749...

Page 28: ...f the counter is over that value The first line is the highest bits while the third line is the lowest bits of energy counter Press E key go to the second screen The second screen display reactive ene...

Page 29: ...key for increasing and press P key for decreasing Press V A key once for acknowledgment and press V A key again going to the next setting page Press and V A keys simultaneously to exit in any setting...

Page 30: ...As in Fig 3 12 the address is 17 Changing method is simple press key to move cursor to the digit need to change and press E key for increasing or P key for decreasing Then press V A key for acknowled...

Page 31: ...d be the same and equal to the rating voltage The forth screen PT secondary setting page PT2 value is an integer from 100 to 400 The unit is volt As in Fig 3 1 PT2 100V Use key for moving cursor E key...

Page 32: ...ire connection with 3CTs Press and E key to change wiring Type Press V A key for acknowledge and go to the next setting page The eighth screen Relay output mode setting this setting will be inoperativ...

Page 33: ...tively As in Fig 3 20 the AO1 is assigned to U12 The number is 3 The parameter table is displayed in Table 3 2 Parameter table The tenth screen Analog output 2 AO2 setting Analog output can be assigne...

Page 34: ...EV DV300 Series Power Meter Chapter 3 Operation and Setting V 2 0 Revised October 2018 34...

Page 35: ...Use E and P key to preset the energy value As in Fig 3 26 the reactive energy is 0 0 Kvarh Press V A key to acknowledge The thirteenth screen is LCD back light time setting page To reduce power consu...

Page 36: ...display page The setting page may be different depending on the meter type Please confirm the meter type before doing the parameter setting Note Press key in the value inside the range of parameter d...

Page 37: ...EV DV300 Series Power Meter V 2 0 Revised October 2018 37 EV DV300 Series Power Meter Chapter 4 Communications 4 1 Introducing Modbus Protocol 4 2 Format of Communication 4 5 Data Address Table...

Page 38: ...ules used to transmit data The mode is defined in the following table that is compatible with Modbus RTU mode Coding System 8 bit binary Start bit 1 Data bits 8 Parity NO parity Stop bit 1 bit Error c...

Page 39: ...end from a master to slave device or from slave to master contain additional information which the slave must use to take the action defined by the function code or the result of action 2 5 Error Chec...

Page 40: ...gister is then exclusive ORed with a preset fixed value If the LSB was a 0 no exclusive OR takes place This process is repeated until eight shifts have been performed After the last eighth shift the n...

Page 41: ...lo CRC16 hi CRC16 lo 11H 01H 00H 00H 00H 02H BFH 5BH Response Response frame message is from slave to master device The frame includes address function code quantity of data byte the data and CRC erro...

Page 42: ...I4 status of slave device 17 Addr Fun DI start addr hi DI start addr lo Data num hi DI num lo CRC16 hi CRC16 lo 11H 02H 00H 00H 00H 04H 7BH 59H Response The response of DI status query includes addres...

Page 43: ...of slave device function code data register start address number of metering data and error check Table 4 9 Example of response of reading U1 U2 and U3 U1 03E8H 100 0V U2 03E7H 99 9V U3 03E9H 100 1V T...

Page 44: ...Relay query Addr Fun DO addr hi DO addr lo Value hi Value lo CRC16 hi CRC16 lo 11H 05H 00H 00H FFH 00H 8EH AAH 5 Pre set Multi register function code 05 Query Function code 16 can be used to modify t...

Page 45: ...H 10H 0CH 00H 02H 04H Value hi Value lo Value hi Value lo CRC16 hi CRC16 lo 40H 89H 0AH 9DH A9H 89H Response The response message includes address of slave device function code data start register dat...

Page 46: ...nt I2 0 65535 Word R 0118H Current I3 0 65535 Word R 0119H Average phase voltage Uavg 0 65535 Word R 011AH Average line voltage Ulavg 0 65535 Word R 011BH Average current Iavg 0 65535 Word R 011CH Pow...

Page 47: ...1000 Volt Meter parameter area The meter parameters are stored in this area The register is read by using of function code 03 and write in function code 16 Table 4 16 parameter register address table...

Page 48: ...2768 32767 Integer 0203H Alarm time R W 0 255 Integer 0204H Inequation Sign R W 0 limit value 1 limit value Integer 0205H Alarm ralate RO R W 0 RO1 1 RO2 2 RO1 and RO2 Integer Digital Input DI The Dig...

Page 49: ...using of function code 02 01 and 03 respectively R W Read and Write Data is written by using function code 16 and control command is written by using function code 05 Writing to read only field is fo...

Page 50: ...EV DV300 Series Power Meter V 2 0 Revised October 2018 50 EV DV300 Series Power Meter Appendix Appendix A Technical Data and Specifications Appendix B Ordering Information...

Page 51: ...F S input Vln with 20 overrange 400Vac nominal F S input Vll with 20 overrange Frequency range 45 65Hz Overload 2 times for continue 2500VAC 1sec none recurrence Voltage range over PT 500kV highest at...

Page 52: ...ncy 0 5 0 01Hz Energy 1 0 0 1kWh Reactive Energy 1 0 0 1kvarh Drift with temp 100ppm Stability 0 1 0 year Relay output RO Output form Mechanical Contact Contact Resistance 100m ohm 1A Initial Max brea...

Page 53: ...er supply PO Voltage Output range 24V 10 Power Rating 2W Isolate Voltage 1000Vdc Standard Measuring IEC 61036 Class1 ANSI C12 16 Class10 Environmental IEC 60068 2 Safety IEC 61010 EMC IEC 61000 4 2 3...

Page 54: ...EV DV300 Series Power Meter Appendix V 2 0 Revised October 2018 54 Appendix B Ordering Information...

Page 55: ...EV DV300 Series Power Meter Appendix V 2 0 Revised October 2018 55...

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