User's Manual
Contents
1. Byte Data1 Data1 Data2 Data2 Data3 Data3 CRC16 CRC16 Addr Fun A count hi lo hi lo hi lo hi lo 11H 03H 06H 13H 88H 03H E7H 13H 86H 32H E8H Table 4 9 Read F V and Message seues AQ A3 seues AQ A3 4 Control Relay Function Code 05 Query This message forces a single Relay either on or off Any Relay that exists within the meter can beforced to be either status on or off The address of Relays starts at 0000H Relay1 0000H Relay2 0001H The data value FFOOH will set the Relay on and the value 0000H will turn it off all other values are illegal and will not affect that relay The example below is a request to the meter number 17 to turn on Relay1 Addr Fun Ha DO addr lo Value hi Value lo CRC16 Hi gu 11 05H 00H 00H FFH 00H 8EH AAH Table 4 10 Control Relay Query Message Response The normal response to the command request is to retransmit the message as received after the Relay status has been altered Addr Fun PO aaar DO addr lo Value hi Value lo CRC16 Hi ra 11H 05H 00H 00H FFH OOH 8EH AAH 44 Table 4 11 Control Relay Response Message 5 Preset Reset Multi Register Function Code 16 Query Function 16 allows the user to modify the contents of a Multi Register Any Register that exists within the meter can have its contents changed by this message The example below is2. 0 1mA and 0 5V p VCC VCC Load NG ak Current Output Type Voltage Output Type Fig 2 13 Analog Output Diagram Output Capability 4 20mA Max Load Resistance 7500 seues AQ A3 seues AQ A3 0 1mA Max Load Resistance 10KQ 0 5V Max Output Current 20mA Communication The communication port and protocol of EV DV meter are RS485 and Modbus RTU The termi nals of communication are A B and S 20 21 22 Ais differential signal B is differential signal and S connected to shield of twisted pair cable Up to 32 devices can be connected on a RS485 bus Use good quality shielded twisted pair cable AWG22 0 5mm or larger The overall length of the RS485 cable connecting all devices can not exceed 1200m 4000ft EV DV meter is used as a slave device of master like PC PLC data collector or RTU The topology of RS485 net can be line circle and star A few points of recommendation for high quality communication are as follows Good quality shielded twisted pair of cable AWG22 0 6mm or larger is very important The shield of each segment of the RS485 cable must be connected to the ground at one end only Make sure the right connection of each point Avoid T connection at each point Keep cables away as much as possible from sources of electrical noise Chapter 3 Basic Operation and Setup 3 1 Display Panel and Keys seues AQ A3 There are one display panel and four k
3. 16 CT1 Setting am aay ED LI L l KI 558 AGRI Fig 3 17 CT2 Setting The forth screen PT secondary rating volt age PT2 setting page PT2 value is an integer from 100 to 400 The unit is volt As in fig 3 15 PT2 400V press P E and lt gt to change the value Press V A key for acknowledgment and going to the next setting page Note If there is no PT on the voltage input side the PT1 and PT2 should be the same and equal to the input rating voltage The fifth screen CT primary rating current CT1 setting page CT1 value is an integer from 5 to 9999 The unit is Amp As in fig 3 16 CT1 5000A pressing P E and lt gt keys to change the value Press V A key for acknowl edgment and going to the next setting page The sixth screen The defult value of CT2 is 5 A If the meter is 1A option CT2 should be 1A The seventh screen Analog output setting page One metering value can be selected as analog output The number 0 to 6 is corresponded to frequency voltage current power reactive power apparent power and power factor There A 3 18 ETEN SIGER is not this setting page in single function meter There are three output modes 4 20mA 0 1mA and 0 5V in EV DV series which is chosed when ordering The relation between the output mode and metering data is as Fig3 19 a b c mA AO Output 45 Frequecy Hz 65 0 PT1 CT1 PT1xCT1 P
4. 20 C to 70 C If the meter is used beyond this range it will result in unnormal performance or even permanent damage of the meter EV DV meter s storage range is from 40 C to 85 C EV DV meter s working humidity is from 0 to 95 non condencing 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 Normally the meter was installed on the panel of switch board 1 Firstly cut a square hole on the panel of the switch gear The cutting size is as fig 2 3 seues AQ A3 0 5 90 09 Fig 2 3 Panel Cutting 2 Secondly remove the clips from the meter and insert the meter into the square hole from the front side Fig 2 4 Put the meter into square hole seues AQ A3 3 Finally put clips back to the meter from the backside and push the cli is fixed on the panel p tightly so that the meter Fig 2 5 Use the clips to fasten the meter on the panel 2 3 Wiring Terminal Strips There are 2 terminal strips on the back of EV DV meter D pom 7 om me om om om om oo e ao E Jaffa fs 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Up terminal Strip Communication and VO POWER VOLTAGE CURRENT INPUT INPUT L N G NC VL VN n 12 1 2 3 4 5 6 r 8 Low terminal Str
5. and the count of actual data bytes in the field Check Field Check field is used in master and slave device to find errors in the data transmitting process There may be some error happening to a group of data when they are transmit from one device to the other due to noise or other interference The check field guarantee the device does not respond error 37 seues AQ A3 seues AQ A3 massages so as to improve system safety and efficiency CRC16 error check method is adopted in Modbus Protocol 3 Error Check Method Messages include an error s checking field that is based on a 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 containing a 16 bit binary value The CRC value is calculated by the transmitting device which ap pends the CRC to the message The receiving device recalculates a CRC during receipt of the message and compares the calculated value to the actual value it received in the CRC field If the two values are not equal an error will be report The CRC is started by first preloading a 16 bit register to all 1 s Then a proc ess begins of 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
6. have appropriate training and experience with high voltage and current device Content TT R ANERE Chapter 1 Introduction ses c EERS ea ei ro NAN EE ONE GEE EE Ee GED antes 1 4 Desorption o Sie RR EE EE EG EE EE 1 2 The Application Area of EV DV 1 3 BV IDV di ii AE EE EE EE Ghapter 2 Installations ocio as kanin GESE EE SE e DER OY GE Ne ee ee se eed 2 1 Appearance and DimensionS iese ee eek ee ee ee ee GG AE ee ek ee ee eek ee ee nnne 2 2 Installation pels AE OE EE a EN FA ENSA LEGEND ROPA Chapter 3 Operation and Setup iese nenen EA AR RR EA ee RE Ee ee ee Re ee ee ee ee ea 3 1 Display and OOR EE E 3 21Metering Data Readind as esse BEES SR EE ANA EE GR ER GES ER SE Ee 3 3 Meter parameter selling reote am NAN thea GEE Dee NANANA seues AQ A3 Chapter 4 Communication 4 1 Introduction of Modbus Protocol iis SERE SEER ESE RE BE GEE ER EE ES EET EE ERK SEER EE eric Rp RR 4 2 Format of Communication ves ERGE GAT HE GED ESE Ge RE SR Ee EN ER ER NGABA 4 3 Address Table Appendik kaaa Appendix A Technical Data and SpecificatiON eek ee eek ee ee ee ek ee ee nananana Appendix B Ordering Chapter 1 Introduction 1 1 Description of EV DV Powerful and Economical EV DV series power meter is design for single phase electrical value measurement by using of latest microprocessor and digital signal proce
7. seues AQ A3 When the value of P Q and S is great then 9999 the display will change to six digits mode For example in fig 3 9 P 23564 7 KW Press E display energy Fig 3 9 Display Power with Six Digits In fig 3 10 E 32768 9 Kwh Energy display range is from 0 to 999999Kwh Over 106 Kwh energy register will turn to 0 Fig 3 10 Energy Display In metering mode Press and V A to go to the parameter setting mode q Note Press lt gt to move cursor from left to right The digit will flashing A when the cursor move to it The setting should be Press E to increase 1 once a time Press P to decrease 1 once a time done by the profes sional personnel after Press V A to confirm the former key input and press ID again go to next he has read this user screen In any screen press lt gt and V A at the same time to exit the s manual and under stand the application situation parameter setting mode Before going into the parameter setting the address of the meter will display 3 seconds Then go to the parameter setting mode There is pass word input screen to protect the parameter setting mode Four digits Access code integer is used between 0000 and 9999 The default access code is 0000 Each time before going to the parameter setting mode correct access code must be entered seues AQ A3 seues AQ A3 Asking for access code as in Fig 3 11 Fig 3 11 Access Cod
8. 109H 010AH Energy E 0 9999999 Dword R Table 4 14 Metering data address table The Relationship between numerical value in register of Acuvim and the real physical value is as following table Rx is the numerical value in register of the meter Frequency F F Rx 100 Voltage V U Rx PT1 PT2 10 Current I Rx CT1 5 1000 Power P P Rx PT1 PT2 CT1 5 10 Reactive Power Q Q Rx PT1 PT2 CT1 5 10 Apparent Power S S Rx PT1 PT2 CT1 5 10 Power Factor PF PF Rx 1000 Load Nature RT ASCII L C R 52H R 43H C 4CH L Energy Kwh Kwh Rx 10 Table 4 15 Measuring data convert table 47 seues AQ A3 seues AQ A3 48 Parameter Setting Function code 03 for Reading 16 for Presetting Parameter Type of access Range Object type Access Code R W 0 9999 Word Communication Address R W 1 254 Word Baud Rate R W 0 4 Word PT1Lo PT1 Hi R W 100 500000 Dword PT2 R W 100 400 Word CT1 R W 5 1 9999 Word CT2 R W 5 1 Word Relay1 work Mode R W O Latch 1 Momentary 2 Alarm Word Relay1 pulse width R W 50 3000 Word Relay2 work Mode R W 0 Latch 1 Momentary 2 Alarm Word Relay2 pulse width R W 50 3000 Word AO VS Metering Data R W 0 6 0 Frequency 1 Voltage 2 Current 3 Powe
9. EV DV100 Series Power Meter User s Manual E U ACTUZIVERGY Your Power and Automation Partner CopyRight 2007 V2 0 Accuenergy Technology Co Ltd This manual may not be reproduced in whole or in part by mimeograph or any other means with out permission 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 represent for latest product specifica tions before ordering seues AQ A3 seues AQ A3 gt gt Please read this manual carefully before doing installation operation and maintenance of This product Following symbols are used in this user s manual and on meter to alert the dangerous or to prompt in the operating or set process Dangerous symbol Failure to observe the information may result in injury or death Alert symbol Alert the potential dangerous Observe the information after the symbol to avoid possible injury or death D Near dangerous position Failure to observe the information may result in injury or angerous 1 death Note Symbol Observe it and avoid result in meter damage or human injury or death Instrument should be well grounded and power off before maintenance Installation and mainte nance of the meter should only be performed by qualified competent personnel that
10. T1xCT1 0 PT1xCT1 0 5 C 10 0 5 L Voltage Current V A Power Reactive Power W Var Apparent Power VA Power Factor Metering Data Fig 3 19 a Anolog Output 4 20mA VS metering Data 31 seas AQ A3 1 m lt g lt amp o 5 05 S NG D lt O 0 45 65 0 PT1 CT1 PTAXCT1 PT1XCT1 0 PT1xCT1 0 5 C 10 0 5 L Apparent Power VA Power Factor Frequecy Hz Voltage Current V A Power Reactive Power W Var Metering Data Fig 3 19 b Analog Output 0 1mA VS Metering Data v 5 2 0 45 65 0 PT1 CT1 Frequecy Hz Voltage Current V A AO Output SPTIXGTI PTAXCTA 0 Prixcri P OSC 10 050 Power Reactive Power W Var Apparent Power VA Power Factor Metering Data Fig 3 19 c Analog Output 0 5V VS Metering Data Fig 3 20 Back light on time Fig 3 21 Access Code setting The eighth screen Display back light on time setting page The backlight will go to off for the purpose of energy saving and component dura tion if the keys do not be touched for a period time The on time can be set from 0 to 120 Minute The back light will always be on if the setting value is 0 As in fig 3 20 the setting time of the back light is 5 minutes The back light will automatically go to off if there is no touch on the keys in 5 minutes The ninth screen Access code setting page This is the last screen of the setting page The access code can be changed in this s
11. Vac 400 Rated voltage input is 400Vac NA No voltage input DV101 DV102 DV103 DV104 DV105 DV106 DV107 DV122 DV124 DV128 DV130 Fig 5 2 DV 100ordering information ACCTUEIV HGY World Wide Web http www accuenergy com 2007 Accuenergy Technology Co Ltd All rights reserved Printed in China
12. a request to meter number 17 to Preset E 17807 7KWH while its Hex Value 0002B79DH E data address is an 0109H and 010AH E register is 32bit or 4 byte Addr Fun Data start reg Data start reg Data of reg Data of reg Byte hi lo hi lo count 11H 10H 01H 09H 00H 02H 04H Value hi Value lo Value hi Valuelo CRC16 hi CRC16 lo 00H 02H B7H 9DH 7DH OCH Table 4 12 Control Relay Response Message Response The normal response to a preset Multi Register request includes the slave address function code data start register the number of registers and error checking seues AQ A3 45 seues AQ A3 46 Addr Fun Data start Data start Data of Data of CRC16 hi CRC16 lo reg hi reg lo reg hi reg lo 11H 10H 01H 09H 00H 02H 92H A6H Table 4 13 Preset Multi Registers Response Message 4 3 Address Table Metering data is stored in these register area Use Modbus 03 function code to read metering data Address Parameter Range Object Type Type of Access 0000H Frequency F 0 6500 Word R 0001H Voltage V 0 65535 Word R 0002H Current 0 65535 Word R 0003H Power P 32768 32767 Integer R 0004H Reactive Power Q 32768 32767 Integer R 0005H Apparent Power S 0 65535 Word R 0006H Power Factor PF 1000 1000 Integer R 0007H Load Nature RT 76 L 67 C 82 R Word R 0008H AO Output 0 65535 Word R 0
13. by 65536 and plus low 16 bit data to get the energy data in master software The unit is 0 1kwh or 0 1kvarh It will be clear to zero and start again when energy data accumulate 1 x 106kwh kvarh The energy register can be cleared or preset through communication Appendix Appendix A Technical Data and Specifications Voltage Rating 100V Option 400V Option 100Vac 20 Over Range 400Vac 20 Over Range Frequency Range Overload 2 times for continue 45 to 65Hz 2500Vac for 1 Sec None recurrence Voltage Range Through PT 500KV highest at primary side PT Burden lt 0 2VA Measuring True Rms 51 seues AQ A3 seues AQ A3 Current Rating 5Amp 20 Over Range Ordering on Special Rating Current Range Through CT 10000A at primary side Over Load 10A Continue 100A 1sec None Recurrence CT Burden lt 0 5VA Measuring True Rms Optical Isolation Isolate Voltage 4000Vac rms Input Form Contact with Power Supply Input Resistance 2K ohm typical Input Voltage Range 16 30Vdc Close Voltage gt 16Vdc Max Input Current 20mA Voltage Current Power Reactive Power Apparent Power Power Factor Frequency Energy Drift with Temp 100ppm C Stability 0 1 Year 0 1 Year 53 seues AQ A3 seues AQ A3 54 Output Form Mechanical Contact Contact Resi
14. d to replace analog meter panel meter transducer and small RTU in power distribution or power automation system As it adopted true RMS measuring method the EV DV series are competent for measuring voltage and current in high distortion nonlinear load system such as VVVF Electric Ballast Computer etc Power Distribution Automation Intelligent Electric Switch Gear Industry Automation Building Automation Energy Manage System Industry Apparatus 1 3 EVIDV Series EV DV series power meter is used mainly in single phase or balance three phase system EV series meter has measuring communication and I O functions EV16x is single measuring function meter with communication port while EV18x and EV190 is multi function meter with commu nication port For detail please refer to Table1 1 DV series meter has measuring and AO functions DV10x is single measuring function meter while DV12X and DV130 are multi function meters For detail please refer to Table1 2 seues AQ A3 ce Ye ie eve eve er va even ev ev Meter voltage V Je T T ll E a SE EN E e 2 Reactive Power CO AE AE AA EA AE Power FactorPF Frequency He energy Eneryep T vo DigitalnputD o Poe fos o Pe fo fs fe fs fs fis Option me eee AO 4 20mA or 0 1m or Option 0 5V Com RS485 muni Modbus Protocol cation e Function no Option Blank NA Table1 1 EV100 Series Power Meter ee Tenes GEEET AE o
15. de Coding System 8 bit Start bit 1 bit Data bit 8 bit seues AQ A3 Parity None 2 Stop bit 1 2 Error Checking CRC 2 Protocol 8 Framing Address Function Data Check s Nx8 Bits its Table 4 1 Data Framing Address Field The address field of a message frame contains eight bits Valid slave device addresses are in the range of 0 255 decimal A master addresses a slave by placing the slave address in the address field of the message When the slave sends its response it places its own address in this address field of the response to let the master know which slave is responding Function Field The function code field of a message frame contains eight bits Valid codes are in the range of 1 255 decimal 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 36 05 Control Relay Output Force Relay to a state of on or off 16 Preset Multiple Registers Place specific binary values into a series of consecu tive Multiple Registers Fig 4 2 Function Code Data Field The data field is constructed using sets of two hexadecimal digits in the range of 00 to FF hexa decimal The data field of messages sent from a master to slave devices contains additional informa tion which the slave must use to take the action defined by the function code This can include items like discrete and register addresses the quantity of items to be handled
16. do not apply to the CRC During generation of the CRC each 8 bit character is exclusive ORed with the register contents Then the result is shifted in the direction of the least sig nificant bit LSB with a zero filled into the most significant bit MSB position The LSB is extracted and examined If the LSB was a 1 the register 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 next 8 bit byte is exclusive ORed with the register current value and the process repeats for eight more shifts as described above The final 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 first followed by the high order byte All the examples in this chapter are following the format of Table 4 3 All data is express in Hex Data start Data start Data of Data Hof CRC16 CRC16 Addr Fun A reg hi reg lo regs hi regs lo Hi Lo 11H 03H 01H 00H 00H 08H 47H 60H Table 4 3 Protocol Format In table4 3 the meaning of each abbreviated word is Addr address of slave device Fun function code Data start reg hi start register address high byte 39 seues AQ A3 seues AQ A3 Data start reg lo start register address low byte Data of reg hi nu
17. e Input First Screen Meter s Communication Address setting The address can be any integer between 1 and 254 As in fig 3 12 the communication ad dress is 84 If address changing needed press SD to move cursor press P for increasing and Fig 3 12 Communication Address Setting press E for decreasing After the expected ad dress is set press V A to go to the next setting screen Press V A to go to the next screen if there is no need to change the address Two or more meters should not be set the same address in the same communication line according to the Modbus RTU protocol 28 The second screen Baud rate setting page Modbus RTU 8 data bit no parity 1 start bit and m 1 stop bit Baud rate could be one of the five E value 1200 2400 4800 9600 19200bps In fig A 3 13 baud rate is 19200bps Just press E key to select baud rate Press V A to go to next screen Fig 3 13 Baud Rate Setting Only one baud rate should be selected on the same communication line The third screen PT primary rating voltage PT1 setting page PT1 value is an integer from 100 to 500 000 The unit is volt In fig 3 14 PT1 100000V Use P E and keys to Fig 3 14 PT1 Setting change PT1 value Press lt gt V A key for ac knowledgment and going to the next setting page m KA mmu ERR salas AG A3 3 3 Vas Fig 3 15 PT2 Setting LI LI J J E E LI Fig 3
18. e corresponding function or description Normally EV DV meter display the metering data such as voltage current power etc To read the metering data simply press the keys P E and V A Press V A key to read voltage current and frequency The first screen Display Voltage U 220 3V Inductive load Communication Port Busy DI1 DI2 DI3 and DI4 Open Press V A go to the second screen Fig 3 2 Voltage Display seas AQ A3 seues AQ A3 Fig 3 3 Current Display Fig 3 4 Frequency Display The second screen Display current As in fig 3 3 1 498 7A Press V A go to the third screen The third screen Display frequency As in Fig 3 4 F 50 00Hz Press V A again go back to the first screen Press P key display power related metering data Fig 3 5 Power Display First screen Display Power In Fig 3 5 P 350 6KW inductive Load com munication port busy DI1 DI3 close and DI2 DI3 open Press P go to the second screen Fig 3 8 Power Factor Display Fig 3 6 Reactive Power Display Fig 3 7 Apparent Power Display The second screen Display reactive power In Fig 3 6 Q 29 81KW capacitive load Press P go to the third screen The third screen Apparent Power Display In fig 3 7 S 837 1KVA Press P go to the forth screen The forth screen Display Power Factor In fig 3 8 PF 0 999 Press P go back to the first screen seues AQ A3
19. ead the 4 DI Status of the meter Number 17 V o 3 Addr Fun Data start Data start DI num DI num CRC16 CRC16 reg hi reg lo hi lo Hi Lo 11H 02H 00H 00H 00H 04H 7BH 59H Table4 6 Read 4 Dis Query Message Response The Acuvim response includes the Acuvim address function code quantity of data characters the data characters and error checking An example response to read the status of 4 Dis is shown as Table 4 7 The status of each is responding to the last 4 bit of the data D11 bitO DI2 bit1 DI3 bit2 DI4 bit3 Data Addr Buin Byte Data CRC16 CRC16 7 6lslals alalo count Hi Lo 11H 02H 01H 03H E5H 49H 9 ANO 9 9 9 vnd MSB SB Table 4 7 Read Status of DI 3 Read Data Function Code 03 Query This function allows the master to obtain the measurement results of the meter Table 4 8 is an example to read the 3 measured data F V and 1 from slave device number 17 the data address of F is OOOOH V1 is 0001H and V2 is 0002H Data start Data start Data of Data of CRC16 CRC16 Addr Fun reg hi reg lo regs hi regs lo Hi Lo 11H 03H 00H 00H 00H 03H 07H 5BH Table 4 8 Read F V Query Message Response The meter response includes the meter address function code quantity of data byte data and error checking An example response to read F V and F 1388H 50 00Hz V 03E7H 99 9V 1 1386H 4 998A is shown as Table 4 9
20. etting page It is important to remember the new access code after the setting As in fig 3 21 the access code is 0001 Press the V A key let the access code be stored in me ter and go back to the first setting page All the setting has been finished Press lt gt and V A keys exit the setting mode 33 seues AQ A3 before doing the parameter setting The setting page may be different depending on the meter type Please confirm the meter type Fig 3 22 Real energy Take DV130 for example The seventh page is real energy presetting page Use lt gt E and P key to preset the value of energy As in Fig 3 22 the energy value is 0 Kwh Press V A to acknowledge and go to the next setting page Chapter 4 Communication The ModbusTM RTU protocol is used for communication in EV DV meter The data format and error check method are defined in Modbus protocol The half duplex query and respond mode is adopted in Modbus protocol There is only one master device in the communication net The others are slave devices waiting for the query of the master Only master device can communicate with slave device The slave devices can not communi cate with each other They just response the query of master device 1 Transmission mode The mode of transmission defines the data structure within a frame and the rules used to trans mit data The mode is defined in the following which is compatible with Modbus RTU Mo
21. eys in the front of the meter All the display segments are illustrated in fig 3 1 HOO OCA CA 012 018 VC addr bps pti pt2 cti ol e Fig 3 1 All Display Segments seues AQ A3 22 Number Display Description Data and Parameters Display metering data in metering mode Ed mana Unit Label Indicating Metering data unit V and KV for Voltage A for Current pee KW for Power KVar for Reactive Power KVA for Apparent Power KWH for Energy PF for Power Factor Hz for Frequency Load Nature AH Capacitive Load w Inductive Load Digital Input Indicator No 1 to No 4 switch indicate statues of DI1 to DI4 Parameter Label SET label is on when the meter is in the setting mode One of the following label is also on Addr for communication address bps for Communication Rate Bit per Second pt1 for primary voltage pt2 for secondary voltage ct1 for primary current ct2 for secondary current and O for time of back light Communication state When is on it indicates that there is communication infor mation between meter and master instrument Table 3 1 Display Panel Description There are four delicacy keys labelled as JD E P and V A Use these four keys to read me tering data and do parameter setting All the description in this manual is about EV190 which is a full function single phase power me ter For other EV DV100 series meters please refer to th
22. g 2 7 1A FUSE 85 264Vac Power Supply o Ey 0 Ou EV190 The Best choice the wire of power supply Ds could be AWG16 22 or 0 6 1 5mm Voltage Input Note The secondary of PT can not be shorted otherwise it may cause the severe damage of the instru ment Fig 2 7 Wiring of Power Supply Two Voltage Input options of EV DV meter are 100Vac and 400Vac 100Vac option is suitable for low voltage system that less than 120Vac or high or medium voltage system that the secondary of PT is 100Vac 400Vac option is suitable for low voltage system that less than 480Vac The voltage input could be directly connected to the terminal of EV DV without the use of PT A fuse typical 1A 250Vac should be used in voltage input loop The wire number of voltage input could be AWG16 22 or 0 6 1 5mm seues AQ A3 seues AQ A3 14 Current Input In a practical engineering application CTs should be Note installed in the loop of measuring Normally the secondary ane al loop should notbesopen of CT is 5A 1A is possible in the ordering option A CT of circuit in any simultaneously when the power is on There should not accuracy over 0 5 rating over 3VA is recommended and it be any fuse or switch in the CT loop will influence the measuring accuracy The wire between CT and one end of the CT loop should be connected to the ground and meter should be as shorter as possible The length of the w
23. ip Power Voltage and Current Input Note NC means No Connection Certain terminals may not exist if some type of meter is selected Fig 2 6 Terminal Strips seues AQ A3 seues AQ A3 12 DANGEROUS Onl y the qualified personnel could do the wire connection work Make sure the power supply is cut off and all the wires are electroless Failure to observe it may result in severe injury Note Make sure the voltage of power supply is the same as what the meter needed for its auxiliary power Safety Earth Connection Before doing the meter wiring connection please make sure that the switch Panel has a safety Earth system Connect the meter safety earth terminal to the switch gear safety earth system The following L safety earth symbol is used in the user s manual Auxiliary Power The auxiliary power supply of the Acuvim meter is 85 264Vac 50 60Hz or 100 280Vdc Typical power consumption of the meter is less than 2W A regulator or a UPS should be used when the power supply undulates too much The terminals for the auxiliary power sup ply are 1 2 and 3 L N G A fuse typical 1A 250Vac should be used in auxiliary power supply loop No 3 terminal must be connected to the safety earth system of switchgear An isolated transformer or EMI filter should be used in the auxiliary power supply loop if there is power quality problem in the power sup ply Typical Wiring of Auxiliary Power Supply is as Fi
24. ire may increase the error of the measurement The wire number of current input could be AWG15 16 or 1 5 2 5mmY Wiring of Current Input Before Wiring Please Make sure the voltage and current input of the meter corresponding to power system measured Single Phase Current Input Wiring Diagram Fig 2 8 For EV162 DV102 Single Phase Voltage Input Wiring Diagram Fig 2 9 For EV161 EV166 DV101 DV106 Single Phase Voltage and Current Input Wiring Diagram Fig 2 10 For EV163 EV164 EV165 EV167 EV182 EV184 EV188 EV190 DV103 DV104 DV105 DV107 DV122 DV124 DV128 DV130 LINE L N Terminal Block y 3 2 HOM O ae DV102 LOAD Nag Fig 2 8 Current Input LINE LN E 1A FUSE t Sv la Syv Terminal Block EV190 o On t Le A or bw LOAD Fig 2 10 Current and Voltage Input Digital Input LINE LN E 7 1A FUSE ES 2 Ove S ss DV101 lt VN a o Bi o o Fig 2 9 Voltage Input di Optal Couple V K DH MA 24Vac E A 12 24Vac AK our Di to EV100 N y Fig 2 11 Digital Input There is 4 Digital Inputs Option which outside power supply is needed in EV Series The Input terminals are DI1 9 DI2 10 DI3 11 DI4 12 DIC 13 as in Fig 2 11 seues AQ A3 The outside power supply used for Digital Input is from 16Vdc to 30Vdc If the switch is far from the meter the voltage of power supply could be higher The
25. maximum current in the circuit should not over 10mA The wire number of Digital input could be AWG16 22 or 0 6 1 5mm Relay Output There are two additional relay output for R11 option in the meter The terminal are R11 R12 16 17 and R21 R22 18 19 These two relay output are used to remote control R a Output 1 1 T 1 Control 1 1 1 electric switch in power system Relay type is mechanical Form A contact with 3A 250V Fig 2 12 Relay Output or 3A 30Vdc A mediate relay is recommended in the output circuit as in Fig 2 12 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 statues on or off For the momentary mode the output of the relay changes from off to on for a period of time Ton and than goes off Ton can be setting from 50 3000ms The wire of relay output should be chose between AWG22 0 5mm AWG16 1 5mm Alarm Output There is an alarm function in EV100 series meter The alarm will be triggered when a metering parameter is over the limit value and over the setting time limit 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 DO _MODE 2 2 Assign metering parameter to alarm Refer Table 2 2 3 Set alarm time limit Min time 1s Range 0 255s 4 Set alarm value limit 5 Sign of
26. mber of register high byte Data of reg lo number of register low byte CRC16 Hi CRC high byte CRC16 Lo CRC low byte 1 Read Status of Relay Function Code 01 Query This function code is used to read status of Relay in the meter 1 On 0 Off There are 2 Relays in the meter The Address of each Relay is Relay1 0000H and Relay2 0001H The following query is to read Relay Status of the meter Number 17 40 Data start Data start Data of Data of CRC16 CRC16 Addr Fun F a z reg hi reg lo regs hi regs lo Hi Lo 11H 01H 00H 00H 00H 02H BFH 5BH Table 4 4 Relay status query message Response The meter response includes the meter address function code quantity of data byte the data and error checking An example response to read the status of Relay1 and Relay2 is shown as o the last 2 bit of the data Relay1 bit Re Table4 5 The status of Relay1 and Relay2 is responding Table 4 5 Relay status responds 2 Read the Status of DI Function Code 02 Query ay2 bit1 The content of the data is Addr Fun Byte Data CRC16 CREIG 7 6 5 4 3 2 1 count Hi Lo 0 0 0 0 0 0 1 11H 01H 01H 02H D4H 89H 7 MSB Relay 1 OFF Relay 2 ON seues AQ A3 1 On 0 Off he meter The Address of each DI is DI1 0000H DI2 0001H DI3 0002H mn There are 4 Dls in Z and DI4 0003H The following query is to r
27. r 4 Re active Power 5 Apparent Power 6 Power Factor Word Table 4 16 System parameter address LCD Back light Time 0 120 Min Word 0111H Alarm object select R W 0 7 Word 0112H Time limited setting R W 0 255 Word 0113H Alarm parameter value R W 30000 30000 Integer 0114H Inequation Sign R W O lt 1 Word Alarm relate RO 0 RO1 1 RO2 Word Digital Iput DI Status Function code 02 for Reading Table 4 16 System parameter address 1 ON 0 OFF 1 ON 0 0FF 1 0N 0 0FF 1 0N 0 0FF Table 4 17 Digital Input DI Address seues AQ A3 50 Relay Statue and Control Function code 01 for Reading 05 for Controlling 0000H DO1 1 ON O OFF Bit R W 0001H DO2 1 ON 0 0FF Bit R W Table 4 18 Relay Address Note 1 Object type Bit binary bit word unsigned integer of 16 bit Integer Sign integer of 16 bit Dword unsigned integer of 32 bit 2 Type of Access R Read only Digital input Relay statue and Data are read by using 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 forbidden 3 Energy data is represented in 32 bit Both high 16 bit and low 16 bit have successive address alone The high 16 bit data should be multiplied
28. ss technology It can True RMS measure Voltage Cur rent Power Reactive Power Power Factor Frequency and Energy The meter can be well used in high harmonic environment especially in middle and low voltage power system electric apparatus power system automation and factory automation All the measuring electrical value is available via digital RS485 communication port running Modbus TM Protocol The meter also got some I O func tions that made the metering monitoring remote controlling and Analog output in one unit Small Size amp Easy install EV DV series was designed in compact size DIN96 48 and reduced depth 60mm It suitable for small cabin install in switch gear Easy install on panel by using clips seues AQ A3 seues AQ A3 Easy to Use Large character LCD with blue back light made the display easy to read even under the dark light All the Value reading and parameter setting can be access by using 4 panel keys or communi cation port The parameters are protected in EEPROM which will maintain its content after the meter is power off High Reliability and Safety Multi isolation and immunity methods were adopted in the EV DV design according to the indus try standards The meter can be installed in hazard industry area Also the meter was tested under IEC standards and EMC standards The meter house was designed by using glass polymer which is durable and antifire 4 2 Application Area EV DV series meter can be use
29. stance 30m ohm 1A Max Break Voltage 250Vac 30Vdc Max Break Current 3A Max Isolate Voltage 4000Vac rms Output Range 4 20mA or 0 1mA or 0 5V Resolution 12bit Output Capability 4 20mA Max Resistance 5000 0 5V Max Resistance 10KQ 0 1mA Max Resistance 20mA Measuring Environment IEC60687 0 5 ANSI C12 16 Class10 IEC61036 class1 IEC61268 class2 IEC 60068 2 Safety IEC 61557 2 EMC 1EC61000 4 2 3 4 5 6 8 11 Dimension DIN43700 Dimensions mm 96 x48 x60 Cut 90 x44 Protection Level IP54 Front IP20 Cover Weight g 400 Temperature 25 C 70 C Humidity 0 95 Non condensing Power Supply 85 264Vac or 100V 280Vdc Power 3W MAX 55 seues AQ A3 seues AQ A3 Appendix B Ordering Information 56 E EV DI 4 Digital Input RO 2 Relay Output AO1 4 2mA output AO2 0 1mA output AO3 0 5V output 5A Rated current input is 5Aac 1A Rated current is 1Aac NA No current input 100 Rated voltage input is 100Vac 400 Rated voltage input is 400Vac NA No voltage input EV161 EV162 EV163 EV164 EV165 EV166 EV167 EV182 EV184 EV188 EV190 Fig 5 1 EV100 ordering information DVix 100 5A 1mA output 5V output 5A Rated current input is 5Aac 1A Rated current is 1Aac NA No current input 100 Rated voltage input is 100
30. the inequation 0 parameter lt Value limit 1 parameter gt Value limit 6 Relate to relays 0 RO1 1 RO2 For register of setting parameters please refer to 4 3 of this manual Serial number versus alarming parameter is listed in Table 2 2 Number O means no parameter is assigned to alarm GN pepa J 2 J I 4 E J 7 Parameter Ha Table 2 2 Serial number versus alarming parameter seues AQ A3 seues AG AI Example Alarming parameter Time limit 15s Alarm output relay RO1 Rating of CT1 of I 200A Value limit 180A The setting of alarm is as following 1 Set the relay output mode as alarm DO _MODE 2 2 The serial number of is 3 from Table 2 2 3 CT1 200 the equation converting between real value and register value is Real value value in register x CT1 5 1000 If real value is 180A the register value is 4500 4 Time limit is 15s The register value is 15 5 The value is high limit so the sign of in equation is 1 great than The alarm happens when register value gt 4500 6 The alarm relating relay is RO1 so the RO select 0 After finish above setting the alarm will trigger RO1 and back light flashing when value of is over 180A and last over 15 seconds Analog Output An analog output Option is provided in EV DV Meter Any one of the seven parameters could be selected as Analog output Refer to Chapter 3 Analog Output could be one of the following output 4 20mA
31. vos Jovior av ovis ovs evo Meter votas v T fe Tol ing uren e EI Em EE Ee EE Reactive Power O EE EE ep Fs pes Ms AE UN Power Factor PF_ Ga ad a ee a E EE AE an AO 4 20mA or 0 1m or Option 0 5V Table 1 2 DV100 Series Power Meter seues AQ A3 seues AQ A3 Chapter 2 Installation 2 1 Appearance and Dimensions 2 1 1 Appearance o Fig 2 1 EV190 appearance Description Meter House is made of High Strength anti fire glass polymer Front Part of the Meter LCD Display Window Used to change display and setting the parameters 1 Key Key Door Clip Input Terminal Used to protect key Mis press Used fasten the meter on the panel Power supply Voltage and Current Input Terminal Auxiliary Terminal 2 1 2 Dimension mm Digital Input Relay Output Analog Output and Communication Terminal Table 2 1 Part Name of Meter 48 00 48 00 60 00 96 00 71 00 Fig 2 2 Dimension seues AQ A3 seues AQ A3 2 2 Installation Note The environment tem perature humidity and position should be in the meter s specifica tion range 2 Humidity Environment Before installation please make sure that the environment should satisfy the following conditions 1 Temperature EV DV meter s working temperature range are from
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