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Elnet MC - User Manual

1. CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel Table 6 1 RTU Data Format o 6 1 2 The RTU Frame Format Query and response information is sent in frames Each frame contains Address Function See Section 6 1 4 for descriptions of functions Data Check Table 6 2 R T U Message Frame Format If the receiving device Powermeter detects a time laps of five characters then it will assume the message is incomplete and will flush the frame The device then assumes that the next byte received will be an address The maximum query and response message length is 256 bytes includuing check characters Page 41 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 6 1 3 Address Field Each Powermeter is designated in a network system by a user assigned address The Address can be any number between 1 and 247 The Powermeter will only respond to its own specifically assigned address 6 1 4 Function Field The function field contains the code that tells the Powermeter what action to perform The ElNet MC Energy Powermeter uses and responds to four standard Message Format Functions Function 03 Function 04 Function 06 Function 16 Function 03 Read holding register Obtain data from Powermeter
2. CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel Elnet MC Energy Powermeter E O fa 2 i N LIK L2K L3K EFK L2K L3K ETK LZK L K LITR EZKE ESK ETK E2K L3Kk LIK L2K EJK amp So Re eT ET Paes TA E N A E f CH 1 CH 3 CH 5 CH 7 CH 9 CH 11 MC Multi channels meter Energy amp Powermeter Enter t AQ CH 2 CH 4 CH 6 CH 8 CH 10 CH 12 2 N a AA E 2 __ _ AAA ae EEES ne j EIK L2K C K EE L2K ESK ETUK CIK ESK LAIK E2K LIK ERK ETRE ESK LK EZK ESK E TCP IP Installation 8 Operation Manual CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel Table of Content CHAPTER 1 INTRODUCTION Q cccssssccccsssssccccnssssccccsssscescneeseees 4 1 1 About the ELNet MC Energy Powermeter 4 1 2 How to use this manual esssecssseccsseccssecsssecossecsssesssseso 3 1 3 Safety Information eiii 6 1 4 Warranty sesssccssccssecssecsseocsseosseosseosseosseossecsseosseosseesssessee 7 1 5 Your comments are welcome sssecssseccsssecsssecossecsssesssseso 9 Lo DLC e ESEE ES 10 CHAPTER 2 INSTALLATION scans Il 2 1 Contents Of packaging cccccssccscssccssssccsssccsssscosssees 11 2 2 Mechanical Mounting vscsiscciesscenssseatasccenatessasnassnd
3. Figure 6 3 Serial Communication Screen 4 Roll to Address and press Enter The Address screen appears SERIAL CONFIGURATION ENTER UNIT ADDRESS 0000005 A Figure 6 4 Address Input Screen 5 Use the Up Down Left amp Right buttons to change the Address when finished press Enter 6 5 2 To set up the Baud Rate 1 Access the Serial Communication screen by repeating steps 1 3 as explained in chapter 6 5 1 2 Roll to Baud Rate and press Enter gt BAUD RATE 57600 PARITY EVEN ADDRESS 5 STOP BIT 1 Figure 6 5 Serial Communication Screen Page 48 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel The Baud Rate screen appears SERIAL CONFIGURATION ENTER NEW BAUDRATE 0057600 A Figure 6 6 Baud Rate Input Screen 3 Use the Up Down Left amp Right buttons to change the Baud Rate when finished press Enter 6 5 3 To set up the Parity 1 Access the Serial Communication screen by repeating steps 1 3 as explained in chapter 6 5 1 2 Roll to Parity and press Enter The Parity screen appears gt PARITY EVEN PARITY ODD PARITY NONE Figure 6 7 Parity Screen 3 Use Up amp Down buttons to choose the Parity and press Enter Page 49 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972
4. Page 34 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 3 Use the Up amp Down button s to roll between the phases 5 7 Energy Displays The Elnet MC Energy amp Powermeter provides up to 36 submeters with separate measurement and energy registers Each submeter can service current inputs dedicated to a particular consumer metering submeter or be used as a totalization meter or automatic totalization of energy from different sub consumers 5 7 1 Active Energy To display totalize Active Energy for all 12 channels From the Main Menu scroll to Electrical Energy Press the Enter Button Scroll to Active Energy Press the Enter button AA The Active Energy screen appears 554 8 5 6980 5 9 12798 2 KWH 8094 86 9159 8 10 13460 5 KWH 7981 3 7 11480 2 11 14147 8 KWH 2214 7183 12137 0 122 6638 3 KWH Figure 5 28 Active Energy Screen 1 2 3 4 In this screen you can see the totalized Active Energy for each Channel Page 35 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 5 7 2 Reactive Energy To display totalize Reactive Energy for all 12 channels From the Main Menu scroll to Electrical Energy Press the Enter Button Scroll to Reactive Energy Press the Enter button A The Reactive Ene
5. gt SET TIME SET DATE SET CURRENT TRANSFORMER SET VOLTAGE TRANSFORMER Figure 4 9 Technical Menu The Set Clock screen appears SET CLOCK 17 01 16 AA Figure 4 10 Set Clock Screen 3 Use the Left Right Up amp Down buttons to setup the clock when finished press Enter Page 23 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 4 4 Date Settings To set Date 1 Access the Setup screen by repeating steps 1 2 from the chapter 4 2 2 Roll to Set Date and press Enter SET TIME gt SET DATE SET CURRENT TRANSFORMER SET VOLTAGE TRANSFORMER Figure 4 11 Technical Menu The Set Date screen appears SET DATE 25 01 11 AA Figure 4 12 Set Date Screen 3 Use the Left Right Up amp Down buttons to setup the Date when finished press Enter Page 24 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel CHAPTER 5 TEXT PANEL DISPLAYS In this chapter you will find instructions on how to obtain the readings that the ElNet Energy Powermeter provides e g Current Voltage Power Power Factor and Energy 5 1 Current Displays To display Current for all 3 Phases per channel 1 From the Main Menu roll to Electrical Metering and press Enter ELECTR
6. Read register Function 04 Read input register Obtain data from Powermeter Read register Function 06 Preset single register Transmit data to Powermeter Write single register Function 16 Preset multiple register Transmit data to Powermeter Write multiple register Table 6 3 Function Codes Page 42 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 6 1 5 Data Field The Data field contains the body of the message and contains instructions from the PC master to the Powermeter slave to perform a particular action or respond to a query The reply message from the Powermeter will be information contained in one or more of its registers 6 1 6 Check Field The error check field contains the result of Cyclical Redundancy Check CRC The start of the message is ignored in calculating the CRC For more detailed information on CRC refer to the MODBUS Protocol Reference Guide 6 2 Registers for ElNet MC Powermeter The ElVet MC Energy Powermeter is capable of supporting either Function 03 or Function 04 Message Format see Table 6 3 In a reply to a query from the PC master for a reading from a particular field the response from the Powermeter can be either in Format 03 or Format 04 but will depend on which Format the query was originally sent The difference is significant because by using Function 03
7. Right buttons to change the Mask when finished press Enter 6 6 4 To set up the GateWay 1 Access the Ethernet Communication screen by repeating steps 1 3 as explained in chapter 6 6 1 Page 53 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 2 Roll to TCP Gateway and press Enter TCP IP ADDRESS TCP MAC ADDRESS TCP MASK gt TCP GATEWAY Figure 6 17 Ethernet Communication Screen The Gateway screen appears SET GATEWAY 192 168 33 254 AAA Figure 6 18 Gateway Input Screen 3 Use the Up Down Left amp Right buttons to change the Gateway when finished press Enter 6 7 Communication with UniArt Software CONTROL APPLICATIONS Ltd propriety software UniArt is used to Read and Write Registers of the EUNet MC Energy Powermeter Each Item number in the Registers Table is a unique field containing information The UniArt software manages each tem number as a parameter Refer to the UniArt manual how to set up parameters Page 54 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel To read fields using UniArt 1 Find the reading required in the MODBUS Registers Table 2 Note the Item Number from the Registers Table 3 Go to the correct File number Since File capacity
8. or for the remainder of the original product s warranty period whichever is longer CONTROL APPLICATIONS Ltd is always at your service to advise the customer on any problem that may be encountered regarding any installation operation parameter amp configuration settings or maintenance Page 8 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 1 5 Your comments are welcome CONTROL APPLICATIONS Ltd Sincerely thank you for choosing our ElNet Energy amp Powermeter We are confident that it will provide you with many years of trouble free service and give you all the power and energy information and history that you expected from the instrument when you bought it While every effort was made to keep the information as reliable helpful accurate and up to date as possible all possible contingencies cannot be covered Technical or typographical errors could occur and we would be happy to receive any comments criticisms or notifications of any such errors from you our valued customer Street Address 24A HaBarzel St Tel Aviv 69710 Israel Tel 972 3 647 4998 Fax 972 3 647 4598 Electronic Address cal ddc co 1l Page 9 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 1 6 Disclaimer Information in this User Manual is
9. 1 691 2 1378 1 2073 2 UNIT KW KW KW CH PHASE 1 1 1002 5 2 2005 0 871 9 3 3012 1 1310 3 Figure 5 12 Active Power per Phase Screen 3 Use the Up amp Down button s to roll between the phases 5 4 Reactive Power Q 5 4 1 To display 3 phase Total Reactive Power for all 12 channels 1 From the Main Menu roll to Electrical Metering and press Enter Page 29 CONTROL APPLICATIONS Ltd gt Supervision control system A Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel ELECTRICAL ENERGY gt ELECTRICAL METERING SETUP Figure 5 13 Main Menu The Electrical Metering screen appears CURRENT VOLTAGE AND FREQUENCY gt POWER POWER FACTOR Figure 5 14 Electrical Metering Screen 2 Roll to Total Reactive Power and press Enter TOTAL ACTIVE POWER gt TOTAL REACTIVE POWER TOTAL APPARENT POWER ACTIVE POWER PER PHASE Figure 5 15 Power Screen The Total Reactive Power screen appears 12 6KVR 14 2KVR 15 5KVR 16 9KVR Figure 5 16 Total Reactive Power Screen Page 30 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 5 4 2 To display Reactive Power per phase for all 12 channels 1 Access the Power screen by repeating steps 1 2 from the previous chapter 2 Roll to Reactive Power per Phase
10. 24a Habarzel St Tel Aviv 69710 Israel CHAPTER 7 SPECIFICATIONS Power requirements 85 250VAC 60 50 Hz 60VA Dimensions HxWxD 110x300x60 mm Shipping Weight 1 250 er Voltage limits 1000VAC Current limits 20A Enclosure material ABS Antiflame Display Liquid Crystal 4 X 40 Operating temperature 20 60C Storage temperature 20 80 C Humidity 0 90 RH Voltage input terminals VL E10 1708 Communication port RS485 Ethernet TCPUP Mounting Standard DIN Rail Digital Inputs optional Dry contact All technical specifications are subject to change without notice Page 57
11. 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 6 5 4 To set up Stop Bit 1 Access the Serial Communication screen by repeating steps 1 3 as explained in chapter 6 5 1 2 Roll to Stop Bit and press Enter The Stop Bit screen appears gt STOP BIT 1 STOP BIT 2 Figure 6 8 Serial Communication Screen Use Up amp Down buttons to choose the Stop Bit and press Enter When the selection is made it takes immediate affect with no further action required 6 6 Ethernet Communication Set UP 6 6 1 To set up the IP Address 1 Access the Setup screen as explained in previous chapters Look at chapter 4 1 steps 1 2 Page 50 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 2 Roll to Set Communication and press Enter SET DATE SET CURRENT TRANSFORMER SET VOLTAGE TRANSFORMER gt SET COMMUNICATION Figure 6 9 Technical Screen The Communication screen appears SERIAL COMMUNICATION gt ETHERNET COMMUNICATION Figure 6 10 Communication Screen 3 Roll to Ethernet Communication and press Enter The Ethernet Communication screen appears gt TCP IP ADDRESS TCP MAC ADDRESS TCP MASK TCP GATEWAY Figure 6 11 Ethernet Communication Screen 4 Roll to TCP IP Address and press Enter Page 51 CONTROL APPLICATIONS Ltd Supervision control
12. Total Active Power for all 12 channels 1 From the Main Menu roll to Electrical Metering and press Enter ELECTRICAL ENERGY gt ELECTRICAL METERING SETUP Figure 5 7 Main Menu Page 27 CONTROL APPLICATIONS Ltd gt Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel The Electrical Metering screen appears 2 Roll to Power and press Enter CURRENT VOLTAGE AND FREQUENCY gt POWER POWER FACTOR Figure 5 8 Electrical Metering Screen The Power screen appears gt TOTAL ACTIVE POWER TOTAL REACTIVE POWER TOTAL APPARENT POWER ACTIVE POWER PER PHASE Figure 5 9 Power Screen 3 Roll to to Total Active Power and press Enter The Active Power screen appears 2 015 13 0 9 5 216 3 8 10 IES 18 2 11 10 4 8 20 8 12 Figure 5 10 Active Power Screen Page 28 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 5 3 2 To display Active Power per phase for all 12 channels 1 Access the Power screen by repeating steps 1 2 from the previous chapter 2 Roll to Active Power per Phase and press Enter TOTAL APPARENT POWER gt ACTIVE POWER PER PHASE REACTIVE POWER PER PHASE APPARENT POWER PER PHASE Figure 5 11 Power Screen The Active Power per Phase screen appears PHASE 2 PHASE 3 436
13. allow an open circuit between the two Current Transformers An open circuit will cause damage to equipment Repeat the procedure for Line 2 and Line 3 Connect the rest the connections to the ElVet Energy Powermeter by means of terminal connector plugs Page 14 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel V1 Direct from Busbarl Through a 6Amp fuse V2 Direct from Busbar2 Through a 6Amp fuse V3 Direct from Busbar3 Through a 6Amp fuse N Direct from Neutral Line CH1 CH12 From Current Transformer Note the correct LIK on Linel direction to connect the lead CH1 CH12 From Current Transformer Note the correct on Line2 direction to connect the L2K lead CH1 CH12 From Current Transformer Note the correct L3K on Line3 direction to connect the lead A Power 220 V AC Bridged from measured phase or external ACIDC supply source Np Neutral Bridged from the neutral Line Or external ACIDC supply source Table 2 1 Front Panel Connections Page 15 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel CHAPTER 3 OPERATING ElNet MC In this chapter you will find descriptions and functions of the front panel and the control buttons and how to use them 3 1 Front Panel To operate the front panel The Front P
14. and press Enter TOTAL REACTIVE POWER TOTAL APPARENT POWER ACTIVE POWER PER PHASE gt REACTIVE POWER PER PHASE Figure 5 17 Power Screen The Reactive Power per Phase screen appears CH PHASE 1 PHASE 2 PHASE 3 UNIT 1 288 7 140 5 288 6 KVAR 578 5 KVAR 2 584 2 283 5 3 866 5 424 9 864 7 KVAR Figure 5 18 Reactive Power per Phase Screen 3 Use the Up amp Down button s to roll between the phases Page 31 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 5 5 Apparent Power S 5 5 1 To display 3 phase Total Apparent Power for all 12 channels 1 From the Main Menu roll to Electrical Metering and press Enter ELECTRICAL ENERGY gt ELECTRICAL METERING SETUP Figure 5 19 Main Menu The Electrical Metering screen appears CURRENT VOLTAGE AND FREQUENCY gt POWER POWER FACTOR Figure 5 20 Electrical Metering Screen 2 Roll to Total Apparent Power and press Enter TOTAL ACTIVE POWER TOTAL REACTIVE POWER gt TOTAL APPARENT POWER ACTIVE POWER PER PHASE Figure 5 21 Power Screen Page 32 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel The Apparent Power screen appears 3 4 5 16 8 9 6 7 6 20 11 10 10 017 23 51 11 13 4 8
15. in UniArt is limited to 128 parameters the information contained in the ElNet Pico fields is stored in several files File number is determined by the Item number File O contains Item number 1 128 File 1 contains Item number 129 256 File 2 contains Item number 257 384 File 3 contains Item number 385 512 Go to the correct Point number within that file Point number is determined by the formula Item number FILE X 128 Point Number E G 1 If the user the wishes to read Voltage Line 2 Item No 2 By applying the formula 2 0 X 128 2 File 0 and Point within that file 2 E G 2 If the user the wishes to read 30 Harmonics for Volts Linel Item No 330 By applying the formula 330 2 X 128 74 File 2 and Point within that file 74 E G 3 If the user the wishes to read 7 Harmonic for Current Line 3 Item No 467 By applying the formula 467 3 X 128 83 File 3 and Point number within that file 83 Page 55 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel More Examples Voltage Line 2 0 30 Harmonics for Volts Linel 2 7 Harmonic for Current Line 3 3 83 0 128 1 1 1 128 2 1 20 Harmonics for Volts Line 3 2 128 21 Harmonics for Volts Line3 3 1 Table 6 4 Function Codes Page 56 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598
16. product was properly installed and used CONTROL APPLICATIONS Ltd does not accept lability for any damage that may be caused by natural disasters such as floods fire earthquake lightening etc CONTROL APPLICATIONS Ltd does not accept lability for any damage that may be caused by malfunction of the ElNet Energy amp Powermeter Page 7 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel CONTROL APPLICATIONS Ltd will advise the customer on the proper installation and use of the ElNet Energy Powermeter but will not accept any responsibility that the instrument is suitable for the application for which it was originally purchased This warranty may become void if the installation parameter configuration amp setting instructions are not carried out according to the instructions set out by CONTROL APPLICATIONS Ltd The ElNet Energy amp Powermeter has no user serviceable parts and should be opened and serviced by a duly qualified authorized representative only The sensitive electronics could be damaged if exposed to a static environment This action would void the warranty This warranty is limited to the repair and or replacement at CONTROL APPLICATION Ltd sole discretion of the defective product during the warranty period Repaired or replaced products are warranted for ninety 90 days from the date of repair or replacement
17. purpose of this manual is to help you Please read the instructions carefully before performing any installation and note any precautions WARNING o Ensure that all incoming AC power and other power sources are turned off before performing any work on the ElNet Energy amp Powermeter Failure to do so may result in serious or even fatal injury and or equipment damage o If the ElVet Energy Powermeter is damaged in any way do NOT connect it to any power source o To prevent a potential fire or shock hazard never expose the ElNet Energy amp Powermeter to rain or moisture Page 6 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel o Keep the surrounding area free of dirt and clutter especially metal objects Good housekeeping pays o Inspect the cables periodically for cracks kinks or any other signs of wear o Keep children away o Do not pull the cords o Users should stay alert and not approach the rear of the ElVet Energy amp Powermeter while tired or under the influence of alcohol medicines or any other chemical substance that would tend to make a person drowsy o Do not wear loose clothing or dangling jewelry o Above all use common sense at all times 1 4 Warranty CONTROL APPLICATIONS Ltd provides a 12 Month warranty against faulty workmanship or components from date of dispatch provided that the
18. 26 81 12 Figure 5 22 Total Apparent Power Screen 5 5 2 To display Apparent Power per phase for all 12 channels 1 Access the Power screen by repeating steps 1 2 from the previous chapter 2 Roll to Apparent Power per Phase and press Enter TOTAL APPARENT POWER ACTIVE POWER PER PHASE REACTIVE POWER PER PHASE gt APPARENT POWER PER PHASE Figure 5 23 Power Screen The Apparent Power per Phase screen appears CH PHASE 1 PHASE 2 PHASE 3 UNIT 1 1089 8 524 1 630 5 KVA 2 2180 5 1048 1 1258 7 KVA 1888 9 KVA 3 3272 6 1572 2 Figure 5 24 Apparent Power per Phase Screen 3 Use the Up amp Down button s to roll between the phases Page 33 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 5 6 Overall Power Factor and PF per phase for all 12 channels To display the Power Factor for all 3 Phases 1 From the Main Menu roll to Electrical Metering and press Enter ELECTRICAL ENERGY gt ELECTRICAL METERING SETUP Figure 5 25 Total Reactive Power Screen The Electrical Metering screen appears CURRENT VOLTAGE AND FREQUENCY POWER gt POWER FACTOR Figure 5 26 Electrical Metering Screen 2 Roll to Power Factor and press Enter The Power Factor screen appears CH PHASE 1 1 0 1 0 1 0 Figure 5 27 Power Factor per Phase Screen
19. 4 1 Communication AdALeSS cccccsscccssssscssssscceeeees 46 02 DAA OE 46 Oki Py ias 47 6 5 Serial Communication Set UP ssessseesseessecsssecssesssesose 47 6 5 1 To set up the Address sseosseossecsseossecsseesseecssesssessee 47 6 5 2 To set up the Baud Rate seosseosseosseesscesseecssesssessse 48 CSS LOSecup me Par srira 49 6 5 4 To set up Stop Bit wsiccstssciecstesssccosecciecstecsisaosensiacateceiens 50 6 6 Ethernet Communication Set UP sseessssecsssecsseesssseso 50 6 6 1 To set up the IP Address oocconoccocnocccnocccnccconocccnoncos 50 6 6 2 To set up the MAC Address esseosseesseecsseoseesssessee 52 6 6 3 To set up the Mask sssessseosseosseosseosseesssosssecssesssessoe 53 6 6 4 To set up the Gate Way ecsssecssscccssessssecoseecsscesosseso 53 6 7 Communication with UniArt Software sssessssecssseso 54 CHAPTER 7 SPECTFICATIONS ccccsssssscccccsssessccccccscssscescones 57 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel CHAPTER 1 INTRODUCTION 1 1 About the ELNet MC Energy amp Powermeter All large consumers of electricity e g Factories Hotels Hospitals Municipalities need to know the history of their consumption and the quality of the power supply Details such as Voltage Current Power Fa
20. CATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel The Active TOU Energy per phase screen appears MEDIUM HIGH UNIT 82 8 220 1 KwH 343 9 z PAP 108 9 KWH 616 1 50 3 174 8 KWH Figure 5 31 Active TOU Energy per phase This screen displays the TOU Active energy per phase for the selected channel To scroll through the channels use the UP DOWN buttons To display Reactive or Apparent TOU Energy per phase please repeat steps 1 4 and choose Reactive TOU Energy per phase or Apparent TOU energy per phase 5 7 4 2 Total 3 phase TOU Energy To display Total 3 Phase Active TOU Energy From the Main Menu scroll to Electrical Energy Press the Enter Button Scroll to TOU Energy Press the Enter button Scroll to Total 3 Phase Active TOU Energy Press the Enter Button ee a Page 38 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel The Total 3 Phase Active TOU Energy screen appears MEDIUM HIGH UNIT KWH ZOO 509 7 4840 8 KWH 2444 6 339 9 5003 2 KWH Figure 5 32 Total 3 Phase Active TOU Energy LOW 389 9 41 6 132 4 This screen displays the Total 3 Phase Active TOU Energy for the selected channels 3 channels at one screen To scroll through the channels use the UP DOWN buttons To display Reactive or Appar
21. ICAL ENERGY gt ELECTRICAL METERING SETUP Figure 5 1 Main Menu The Electrical Metering screen appears 2 Roll to Current and press Enter gt CURRENT VOLTAGE AND FREQUENCY POWER POWER FACTOR Figure 5 2 Electrical Metering Screen Page 25 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel The Current screen appears CH PHASE 1 PHAS E 3 i 0 1 Figure 5 3 Current Screen 3 Use the up down buttons to roll between the channel readings 5 2 Voltage and Frequency Displays To display Voltage and Frequency for all 3 Phases 1 From the Main Menu roll to Electrical Metering and press Enter ELECTRICAL ENERGY gt ELECTRICAL METERING SETUP Figure 5 4 Main Menu The Electrical Metering screen appears Page 26 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 2 Roll to Voltage And Frequency and press Enter CURRENT gt VOLTAGE AND FREQUENCY POWER POWER FACTOR Figure 5 5 Electrical Metering Screen The Voltage and Frequency screen appears PHASE 1 PHASE 2 PHASE 3 228 0 230 2 230 3 398 9 397 0 50 0 50 0 UNIT V V L L HRZ 396 9 50 0 Figure 5 6 Voltages And Frequency Screen 5 3 Active Power P 5 3 1 To display 3 phase
22. LICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 4 1 Settings for Current Transformer To set or change settings for Current Transformer 1 From the Main Menu roll to Setup and click Enter ELECTRICAL ENERGY 05 01 11 ELECTRICAL METERING 11 19 20 gt SE TUP Figure 4 1 Main Menu 2 The Enter Password screen appears please insert the password The default password is 1 ENTER PASSWORD FOR TECHNICAL MENU 0000001 A Figure 4 2 Enter Password Screen 3 Roll to Set Current Transformer and click Enter SET TIME SET DATE gt SET CURRENT TRANSFORMER SET VOLTAGE TRANSFORMER Figure 4 3 Technical Menu Page 20 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel The Current Transformer screen appears In this screen you can define each and every chanell s current transformer or by scrolling to the buttom line you can define all at once 4 In order to define the CT rate of the relevant channel scroll down to the desirable channel and click Enter gt CURRENT TRANSFORMER CH 09 5 CURRENT TRANSFORMER CH 10 5 5 CURRENT TRANSFORMER CH 11 CURRENT TRANSFORMER CH 12 Figure 4 4 Current Transformer Screen 5 The Set Current Transformer Ratio screen appears use the e gt t 1 butto
23. Net MC Energy amp Powermeter communicates with the PC The better the communication line Quality the faster the communications may be If the communication line is routed through a noisy environment it may be necessary to decrease the Baud Rate Available Baud Rates for the EUNet MC Energy amp Powermeter 300 bps 600 bps 1200 bps 2400 bps 4800 bps 9600 bps 19200 bps 38400 bps Page 46 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 6 4 3 Parity The choices of parity are either NONE or EVEN see Section 6 1 1 for description of Parity 6 5 Serial Communication Set Up 6 5 1 To set up the Address 1 Access the Setup screen as explained in previous chapters Look at chapter 4 1 steps 1 2 2 Roll to Set Communication and press Enter SET DATE SET CURRENT TRANSFORMER SET VOLTAGE TRANSFORMER gt SET COMMUNICATION Figure 6 1 Technical Screen The Communication screen appears gt SERIAL COMMUNICATION ETHERNET COMMUNICATION Figure 6 2 Communication Screen 3 Roll to Serial Communication and press Enter Page 47 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel The Serial Communication screen appears BAUD RATE 57600 PARITY EVEN gt ADDRESS 5 STOP BIT 1
24. a Habarzel St Tel Aviv 69710 Israel 6 2 1 Registers addresess The ELNet MC MODBUS registers addresses are updated all the time and can be downloaded from the following web site http www ddc co il elnet pdt elnet_comm pdf The MODBUS registers addresses numbering order specify at the above mentioned web address set as a defaults but can be changed in order to be fit to the SCADA HMI drivers 6 3 Communication Connections The EINet MC Energy amp Powermeter supports RS 485 communication Connections are provided on the bottom front terminal of the device Please refer to section 2 4 and are made by means of the connectors provided 6 4 Communication Settings To enable the User to connect the EINet MC Energy amp Powermeter to a PC computer for successful communications the Communication Setup parameters of both must match 1 e the port of the PC and the configuration settings of the Power meter Address Baud Rate Parity Page 45 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 6 4 1 Communication Address Each Power meter in a communication system must have 1ts own unique address Because the ElVet MC Energy amp Powermeter works on MODBUS the available addresses are from 1 to 247 6 4 2 Baud Rate The Baud Rate is the communication speed in Bits per second BPS that the EU
25. aii dd OAO ATAO E ET 32 5 5 2 To display Apparent Power per phase for all 12 A A 33 5 6 Overall Power Factor and PF per phase for all 12 ENHANCER nt 34 5 7 SENET SY DISPLAYS ssesiscceavscecccanessccuanacarccounsscosawesoutsawesscceastes 35 Ids GBC wan sscctecatecrtencienssenereeatencceusteasvenetenateuatecuiear 35 dlls Reactive MOR OY ia 36 Sete O A 36 dl dy STOLEDE ss erat 37 5 7 4 1 TOU Energy Per Phase ooccconocccnoccconocconiccccnocccnoccos 37 5 7 4 2 Total 3 phase TOU Energy ooocccccnoccccnocccnnnocccnnnos 38 CHAPTER 6 COMMUNICATION oocncnncccccnonocncnnnnnccncnnnncncccnononss 40 61 MODBUS Framing osc apccscseresncnrecvscsesestvervecentsccevasoorcocentees 40 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 6 1 1 RTU Transmission Mode ooooccccnocccconocccnncccnnncccnnnos 40 6 1 2 The RTU Frame Format ooocccccnocccconocccnnocccnnncccnnnos 41 OL Address PIEL aia 42 OLI SUCTION Pc ecards EEEE DENE 42 GS Data FICA Pere errs rere aa 43 E Check Field A 43 6 2 Registers for EINet MC Powermeter ccccccees 43 6 2 1 Registers AdAIesess scccccsscccsscccsssccsssccssscccsssces 45 6 3 Communication CONNECTIONS ccccsscccrssscccsssscceeeses 45 6 4 Communication Settings ccccccsscccsssccsssccssscccssees 45 6
26. anel has a four line Backlight LCD screen and six operating buttons located below the screen All readings are shown on the 4 X 40 text screen How to obtain the readings is explained in detail in Chapter 5 The Control Buttons and their functions are fully explained in Section 3 2 MC Elnet mMusti channels motor Energy Powermeter Figure 3 1 Front Panel Page 16 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel To obtain Readings All information contained in the Powermeter is viewed by navigating through a logical Hierarchy Menu To arrive at each reading follow a logical step by step procedure starting from Top Level and progress down to 2 Level 3 Level etc 3 2 Control Buttons Functions of the Control Buttons The ElNet Energy Powermeter has six control buttons arranged below the display screen These require slight finger pressure to click The User and Senior Electrical Engineer use these Control Buttons to view readings and perform all the Set Up functions Back 1 Enter O O oO O O Figure 3 2 Control Buttons Page 17 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel e Button Enter selects a field to be set or changed during Set UP e Button isa spin control that rolls the
27. ctor Hertz Neutral Current Energy Demands and all electricity related events are recorded in the ElVet Energy Powermeter These are all recorded on a continual basis and can be recalled and shown on the front panel TEXT display of the instrument with a few simple key strokes any time the user wishes The ElVet Energy Powermeter installs onto a standard DIN Rail and is especially designed to integrate into Building Management Systems The Configuration and Setup is menu driven Communication with external devices is simple and based on standard known technology The ElNet Energy amp Powermeter boasts a new innovative built in Flash Memory which pioneers a new frontier into electrical measurement It has a 1 MB of ROM with a capacity of recording up to 4 months of energy for each channel Page 4 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel Each ElNet Energy Power Powermeter is carefully and meticulously manufactured using quality components and the latest production methods Before leaving the factory each ElNet Energy amp Powermeter is calibrated and sent to the customer accompanied by the test certificate and Certificate Of Compliance C 0 C 1 2 How to use this manual We at CONTROL APPLICATIONS Ltd envisage this manual to be used by three types of people 1 e the Installation Technician the Seni
28. ent Total 3 Phase Active TOU Energy please repeat steps 1 4 and choose Total 3 Phase Reactive TOU Energy or Total 3 Phase Apparent TOU Energy Page 39 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel CHAPTER 6 COMMUNICATION MODBUS Protocol The Elnet MC Energy amp Powermeter has a serial and TCP IP interface ports allowing direct interface with an external communication network supporting the MODBUS Protocol MODBUS is an Industry Standard widely known and commonly used communications protocol Using MODBUS provides communication between a PC and up to 247 Powermeter slaves on a common line the PC being the master and the powermeters the slaves The PC initiates the transaction either a query or broadcast and the Powermeter s responds Powermeters respond to the master PC s request but will not initiate any transmission on its own The PC sends a single Query transaction and the Powermeter responds in a single response frame and is capable of only one query and one response at a time 6 1 MODBUS Framing 6 1 1 RTU Transmission Mode MODBUS uses the standard Remote Terminal Unit RTU transmission mode RTU mode sends data in 8 bit binary EVEN parity or 8 bit binary NO parity data format For the Elnet MC Energy amp Powermeter to successfully communicate choose one in the communication Set Up Page 40
29. iacaceossess 12 Ze MW IE MO SChEMmMAtICS rara a 13 A COMME MA A 14 CHAPTER 3 OPERATING ElNet MC ccccsssssssccccccsssssceccoees 16 3d Front AMC lig ini 16 32 COMET ON DUO arias 17 CHAPTER 4 CONFIGURATION SETTINGS 0cccceeeeees 19 4 1 Settings for Current Transformer cccccssseooseees 20 4 2 Settings for Voltage Transformer ccccccsssscceeeees 22 ADs LIME SCN OS aia EEE 23 Aid ALE S Sosa 24 CHAPTER 5 TEXT PANEL DISPLAYS cssscccsessscccsscccenssees 25 5 1 Current Displays ssseccsseccseecsssecsseecsseessseessseessseessseesso 25 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 5 2 Voltage and Frequency Displays c sssccsssscssssees 26 5 3 Active Power P ccccccsscsscsscccccsccsccsccsccescsscscccsccccceces 27 5 3 1 To display 3 phase Total Active Power for all 12 channe ee anos EEE 27 5 3 2 To display Active Power per phase for all 12 channels 29 5 4 Reactive Power OQ iniciada 29 5 4 1 To display 3 phase Total Reactive Power for all 12 ETILI CIS e E E E T E E E T 29 5 4 2 To display Reactive Power per phase for all 12 channels 31 5 5 Apparent Power S ssecsssecssecssecsscosseosseesseosseosseesscesoee 32 5 5 1 To display 3 phase Total Apparent Power for all 12 ELITIS C
30. ns to change the value when finished click Enter CURRENT TRANSFORMER RATIO 5 TO 0000005 A Figure 4 5 Current Transformer Ratio Input Screen In order to set all the CT rates at once to one fixed value scroll to Current Transformer ALL and repeat step 5 Page 21 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 4 2 Settings for Voltage Transformer To set or change settings for Voltage Transformer 1 From the Main Menu roll to Setup and click Enter ELECTRICAL ENERGY 05 01 11 ELECTRICAL METERING 11 19 20 gt SETUP Figure 4 6 Main Menu 2 The Enter Password screen appears please insert the password The default password is 1 ENTER PASSWORD FOR TECHNICAL MENU 0000001 A Figure 4 7 Enter Password Screen 3 Roll to Set Voltage Transformer and click Enter SET TIME SET DATE SET CURRENT TRANSFORMER gt SET VOLTAGE TRANSFORMER Figure 4 8 Technical Menu 4 Change the ratio of the Voltage Transformer according to the demand when finished click Enter Page 22 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 4 3 Time Settings To set Time 1 Access the Setup screen by repeating steps 1 2 from the previous chapter 2 Roll to Set Time and press Enter
31. on before carrying out any installation o Read this manual thoroughly and make sure you understand the contents before connecting the ElNet Energy amp Powermeter to any power source 2 1 Contents of packaging To unpack the ElNet Energy Powermeter The ElNet Energy amp Powermeter is packed and shipped in a carton approximately 32 cm long X 22 cm wide and 7 5 cm high Page 11 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel Before opening the package ensure the area is static free clean and dry Without using any sharp instruments carefully open the carton of the ElVet Energy Powermeter Please check the contents of the carton 1t should contain Your new ElNet MC Energy amp Powermeter ElNet MC User Manual This book Test Certificate and Certificate of Compliance C O C 12 X six pole connector plugs 1 X three pole connector plugs A E 1 X two pole connector plugs 2 2 Mechanical Mounting Do not mount the ElNet Energy Powermeter too close to any main electrical conductors Allow sufficient space to carry out maintenance to the ElNet Energy Powermeter The ElNet Energy amp Powermeter is manufactured with a standard DIN rail mounting To mount simply choose a suitable location and click into position Page 12 Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel A
32. or Electrical Engineer and the end User For this reason this manual is divided into chapters for ease of reference by each of these different people There could be a situation where two of the abovementioned tasks can be combined or in a rare instance one person could handle all three tasks CHAPTER 1 Introduction describes the ElNet Energy amp Powermeter its potential users the readings it can provide and some of its features in brief CHAPTER 2 Installation provides detailed instructions for unpacking mechanical mounting and electrical wiring up instructions for the Installation Technician CHAPTER 3 Operating the EUNet MC describes in detail the front Panel functions of the control buttons CHAPTER 4 CONFIGURATION amp SETTINGS explains in detail the minimum parameters settings needed by the Senior Electrical Engineer to set up and configure the ElNet Energy Powermeter Page 5 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel CHAPTER 5 Front Panel Displays 18 an easy to follow step by step guide to obtain readings and histories for the User CHAPTER 6 Communications gives details about the Communication capabilities of the BElVet Energy amp Powermeter and how to Set Up CHAPTER 7 Specifications is a detailed list of specifications of the ElNet Energy Powermeter 1 3 Safety Information The
33. rgy screen appears 81 1 5 1357 4 9 1833 9KVRH 1167 2 6 1233 7 10 1933 4KVRH 1265 1 7 1654 3 11 2029 1KVRH 325 4 8 1745 62 970 3KVRH Figure 5 29 Reactive Energy Screen In this screen you can see the totalized Reactive Energy for each Channel 5 7 3 Apparent Energy To display totalize Apparent Energy for all 12 channels From the Main Menu scroll to Electrical Energy Press the Enter Button Scroll to Apparent Energy Press the Enter button a Page 36 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel The Apparent Energy screen appears 554 8 5 6980 5 9 12798 2KVAH 8094 8 6 9159 8 10 13460 5KVAH 7981 3 7 11480 2 11 14147 8KVAH PPAF i 7137 0 12 6638 3KVAH Figure 5 30 Apparent Energy Screen a Be 7 3 ais In this screen you can see the totalized Apparent Energy for each Channel 5 7 4 TOU Energy Elnet MC Energy amp Powermeter provides you the ability to see the information about the energy by TOU for each channel in detail by phase and the summarize value of each channel 5 7 4 1 TOU Energy Per Phase To display Active TOU Energy per phase From the Main Menu scroll to Electrical Energy Press the Enter Button Scroll to TOU Energy Press the Enter button Scroll to Active TOU Energy per Phase Press the Enter Button te S Page 37 CONTROL APPLI
34. subject to change without notice and does not represent a commitment on the part of CONTROL APPLICATIONS Ltd CONTROL APPLICATIONS Ltd supplies this User Manual as is without warranty of any kind either expressed or implied and reserves the right to make improvements and or changes in the manual or the product at any time While it is the intension of CONTROL APPLICATIONS Ltd to supply the customer with accurate and reliable information in this User Manual CONTROL APPLICATIONS Ltd assumes no responsibility for its use or for any infringement of rights of the fourth parties which may result from its use This User Manual could contain technical or typographical errors and changes are periodically made to the information herein these changes may be incorporated in new editions of the publication Page 10 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel CHAPTER 2 INSTALLATION In this Chapter you will find the information and instructions that the Installation Technician needs to mount and connect the ELNet Energy amp Powermeter WARNING o During operation hazardous voltages are present in connecting cables and terminal blocks o Fully qualified personnel must do all work Failure to follow this rule may result in serious or even fatal injury to personnel and or damage to equipment o Refer to Section 1 3 Safety informati
35. system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel The Set IP Address screen appears SET IP 192 168 37 188 AMA Figure 6 12 Set IP Screen 5 Use the Up Down Left amp Right buttons to change the IP address when finished press Enter 6 6 2 To set up the MAC Address 1 Access the Ethernet Communication screen by repeating steps 1 3 as explained in chapter 6 6 1 2 Roll to TCP Mac Address and press Enter TCP IP ADDRESS gt TCP MAC ADDRESS TCP MASK TCP GATEWAY Figure 6 13 Ethernet Communication Screen The Mac Address screen appears MAC ADDRESS U 2 121 168 3 188 AAA Figure 6 14 Mac Address Input Screen Page 52 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 3 Use the Up Down Left amp Right buttons to change the Mac Address 3 last sets of digits only when finished press Enter 6 6 3 To set up the Mask 1 Access the Ethernet Communication screen by repeating steps 1 3 as explained in chapter 6 6 1 2 Roll to TCP Mask and press Enter TCP IP ADDRESS TCP MAC ADDRESS gt TCP MASK TCP GATEWAY Figure 6 15 Ethernet Communication Screen The Set Mask screen appears SET MASK 255 255 240 0 AAA Figure 6 16 Mask Address Input Screen 3 Use the Up Down Left amp
36. text down one line per click OR at the highest level rolls to each reading of that group OR modifies the selected field during Set UP e Button T isa spin control that rolls the text upwards one line per click OR at the lowest level rolls to each reading of that group OR modifies the selected field during Set UP e Button is moves the text cursor left per click e Button is moves the text cursor right per click e Button Back returns to the previous step NOTE In the event of a general power failure the ElVet Energy 4 Powermeter returns to the last screen displayed Page 18 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel CHAPTER 4 CONFIGURATION SETTINGS In this chapter you will find instructions to set the minimum settings that are necessary to allow the ElNet Energy Powermeter to function properly WARNING The selection installation and settings of the Current Transformer are the most vital and fundamental action required to ensure the accurate functioning of the ElNet Energy amp Powermeter It is essential to know the ratio of the Current Transformer being installed into the system in order to set the parameter for the Current Transformer correctly All three main current Lines MUST have Current Transformers of the same ratio installed onto them Page 19 CONTROL APP
37. the ElNet Pico will only send the INTERGER part of the field value requested and the PC master will only display the INTERGER part of the field value Page 43 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel Function 04 on the other hand is capable of sending two separate halves of the full FLOAT requested information each half contained in a separate register Then it is the task of the PC master to merge the two halves into a full FLOAT reply For more detailed information See IEEE Standard 754 Floating Point E G 1 If the user s PC master supports Function 03 then the reply will contain the INTERGER part of the field only The PC master requests the Voltage from Linel and the actual Voltage in that field 1s 230 5 Volts Function 03 will respond with the INTEGER only 1 e 230V E G 2 If the user PC master supports Function 04 then the reply will contain the information stored in the two registers asssigned to that field and will contain the full accurate reply The PC master requests the Voltage from Linel and the actual Voltage in that field 1s 230 5 Volts Function 04 will respond with a composite reply of both register 1 and 2 giving the full FLOAT value in IEEE Format from that field 1 e 230 5V Page 44 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24
38. viv 69710 Israel E gt Y Z lt O p A A lt az Z Q Supervision control system 2 3 Wiring Schematics 2 S 19OMIIMOG P ABLANZ 4030888 spauneya DIMA _ JOUIZ IW MET Mel Mb MET Mel Li MET Mel Mb MET vel Mb de Mel yii de yelp N EA ZA LA x dH Aiddng 1amog 2307 Z HOILdO o o 4yddng ON lagram D Figure 2 1 Schematic Wiring Page 13 CONTROL APPLICATIONS Ltd Supervision control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 2 4 Connections To connect the ElNet Energy Powermeter All Connections are made via terminal connector plugs Voltage input Power Supply earth ground etc Recommended maximum tightening torque for the connector screws is 0 5 Nm The CT cores of the ElVet Energy Powermeter are located internally in the instrument and the lead from the leg of the external Current Transformer must be connected to the correct terminal connector in order to maintain the correct direction Ensure all the connections to the leads of the current transformer wiring 1s secure and there is no mechanical strain on the wire Connect the lead from side L to the terminal connector Ll at the relevant channel connect the lead from side K to the terminal connector K at the same channel of the ElNet Energy 4 Powermeter WARNING Never

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