Elnet Pico - User Manual 25.01.11
Contents
1. Supervision amp 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 54 55 CONTROL APPLICATIONS Ltd Site fwrww ddc co il e mail cal ddc co il Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel CHAPTER 7 Specifications Power requirements 85 250V AC 50 Hz 5VA 6A 1000 V Storage temperature 20 80 C Communication port RS485 Mounting Din Rail Table 7 1 Specifications All technical specifications are subject to change without notice2. a aUn Set Time 9 12 3 The Select TOU rates screen appears TOU Mexi1icCco Prs To Set 5 12 4 Use the to Select the T O U time of use schedule To check the Active Energy readings according to the TOU rates 9 12 5 From the Main Menu roll to Energy and press 9 12 6 Scroll to TOU Rates and press TOU Rates E He 2 Oy 40 Site lfwaww ddc co d e mal icaliMWddc co d CONTROL APPLICATIONS Ltd Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 5 12 7 Roll to Rt P Energy and press TOU Rates P Bie roy 9 12 9 The Active Energy Rate 1 screen appears REL PE L1 Us WO OF OO KWh 9 12 10 Roll to Active Energy Rate 1 Line 2 Line 3 ALL 9 12 11 Repeat steps as described at 5 12 8 5 12 10 for Rates 2 3 9 12 12 Repeat steps as described at 5 12 5 5 12 11 for Reactive amp Aparant Energy TOU Rates RE O ELO y d 1 BE AMOO Y 41 Site lfwaww ddc co d e mal icaliMWddc co d CONTROL APPLICATIONS Ltd Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel CHAPTER 6 COMMUNICATION MODBUS Protocol The Elnet Pico Energy Powermeter has a serial interface port allowing direct interface with an external communication network supporting the MODBUS Protocol MODBUS is an Industry Standard widely known and commonly used communicatio
3. Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel CHAPTER 3 USING ElNet Pico Powermeter 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 Panel has a graphic screen and 3 operating buttons The Control Buttons and their functions are fully explained in Section 3 2 MOI N L1 L2 L3 N ElNet Esc RS485 m Figure 3 1 Front Panel 21 Site lfwaww ddc co d e mal icaliMWddc co d CONTROL APPLICATIONS Ltd Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 3 2 Control Buttons To operate the Control Buttons on Front Panel The ElNet Pico Energy Powermeter has three Control Buttons With these buttons the User and Senior Electrical Engineer can achieve all the functions necessary The Control Buttons are arranged on a keypad below the display screen and require slight finger pressure to click Esc q Button moves to the next level down the one the arrow is pointing to OR selects a field to be set or changed during Set UP Button performs the function that the arrow above is pointing to e g move the cursor or selects the prompt that the arrow 1s pointing to The Esc Button returns to the previous step or to the Main Menu 22 CONTROL APPLICATIONS Ltd Site lfwaww
4. ability to measure Harmonics Part of the Electricity Supply Authority s bill reflects poor or good Harmonics in the consumer s system therefore it is in his interest to monitor Harmonics and try to improve it The ElVet Pico Energy Powermeter is a compact multi functional three phase Powermeter simple to install and is especially designed to integrate into Building Management Systems It requires no special mounting and is ideally suited for mounting on din rail of any standard electrical panel The Configuration and Setup is menu driven with password protection Communication with external devices is simple and is based on standard known protocol Each ElNet Pico Energy Powermeter is carefully and meticulously manufactured using quality components and the latest production methods Before leaving the factory each ElNet Pico Energy Powermeter is calibrated and is sent to the customer accompanied by the test certificate and Certificate of Compliance C O C CONTROL APPLICATIONS Ltd Site lfwaww ddc co d e mal icaliMWddc co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 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 Senior Electrical Engineer and the end User For this reason this manual is divided into chapters for ease of reference by each
5. mounting To Mount the ELNet Pico Energy Powermeter NOTE Do not mount the ElNet Pico Energy Powermeter too close to any main electrical conductors Allow sufficient space to carry out maintenance to the ElNet Pico Energy Powermeter The ElNet Pico Energy Powermeter is manufactured with a standard DIN rail mounting To mount simply choose a suitable location and click into position Figure 2 1 Din Rail Mounting Diagram CONTROL APPLICATIONS Ltd Site lfwaww ddc co d e mal icaliMWddc co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 2 3 Wiring Schematics To wire up the ElNet Pico Energy Powermeter Busbar Main Main FEMP gr b a o EIN e tie Figure 2 2 Schematic Wiring Diagram 16 CONTROL APPLICATIONS Ltd Site lfwaww ddc co d e mal icaliMWddc co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 2 4 Connections 17 To connect the EUNet Energy Powermeter All Connections are made via terminal connector plugs Voltage input Power Supply etc Recommended max 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 d
6. 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 information before carrying out any installation o Read this manual thoroughly and make sure you understand the contents before connecting the ElNet Pico Energy Powermeter to any power source Site lfwaww ddc co d e mal icaliMWddc co d CONTROL APPLICATIONS Ltd Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 2 1 Contents of packaging To unpack the Elnet Pico Energy Powermeter The Elnet Pico Energy Powermeter is packed and shipped in a carton approximately 19x11x6 5 cm Before opening the package ensure the area clean and dry Without using any sharp instruments carefully open the carton of the Elnet Pico Energy Powermeter Please check the contents of the carton 1t should contain 1 New ElNet Pico Energy Powermeter 2 ElNet Pico wiring diagram 3 Test Certificate and Certificate of Compliance C O C 4 3 Current Transformers in case of Pico 60 only CONTROL APPLICATIONS Ltd Site lfwaww ddc co d e mal icaliMWddc co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 2 2 Mechanical
7. 4 Roll to Volts Line1 2 amp 3 4 2 5 Roll to Curr Linel 2 amp 3 Voltage present on Lines Current present in Lines and synchronized with Voltage Lines Wired in incorrect direction No Voltage No current Table 4 1 Phase Order Check 4 2 6 Roll to Phase Order Curr L3 Phase Order OK 26 CONTROL APPLICATIONS Ltd siteviwww ddce coil e mail cal dde co i Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel OK Correct Phase Order of Voltage Connections OPP Incorrect Phase Order i e Line 2 does not follow Line 1 and or Line 1 does not follow Line3 Table 4 2 Phase Order Check 4 3 Time Settings To set Time 4 3 1 See Section 4 0 for instructions to arrive at the Configuration Menu From the Configuration Menu scroll to Set Time and click Set Time Set Date 4 3 2 The Set Time screen appears to allow access to set time press H 4 3 3 Press to change the hours when finished press 4 3 4 The access to change minutes will appear change the minutes by using when finished press 4 3 5 The access to change seconds will appear change the seconds by using when finished press 27 Site lfwaww ddc co d e mal icaliMWddc co d CONTROL APPLICATIONS Ltd Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 4 4 Date Settings To set Date 4 4 1 See
8. 710 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 Pico Multimeter The ElVet Pico 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 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 45 Site lfwaww ddc co d e mal icaliMWddc co d CONTROL APPLICATIONS Ltd Supervision amp 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 infor
9. 720000000000000000000000000000000 38 5 12 T O U Energy coccccccocccccocccc000000000000000000000000000000 39 CHAPTER 6 COMMUNICATION ccccsssseeoeeees 42 6 1 MODBUS Framing cccccocccocccocccocccooccoeses 42 6 2 Registers for ElNet Pico Multimeter 45 6 3 Communication Connections ccccccccccoee 47 6 4 Communication Settings ccccccoocc0000000000000 47 3 CONTROL APPLICATIONS Ltd Site lfwaww ddc co d e mal icaliMWddc co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 6 5 Communication Set UD c ooocccnocccnnocconocconoso FO 6 6 Communication with UniArt Software 32 CHAPTER 7 Specifications cccsssccsssecesssccssccesseees DO CONTROL APPLICATIONS Ltd Site lfwaww ddc co d e mal icaliMWddc co d Supervision amp 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 Pico Powermeter Large consumers of electricity e g factories hotels hospitals municipalities need to know the history of their consumption and the quality and the values of the power supply Details such as Voltage Current Power Factor Hertz Neutral Current Energy consumption can be displayed by the EUNet Pico Energy Powermeter An additional feature of the Multimeter is the
10. CONTROL APPLICATIONS Ltd siteviwww ddce coil e mail cal dde co i Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel O QIO N L1 L2 L3 N A a 3 EINet Esc Elnet Pico 5 60 Energy Powermeter CONTROL APPLICATIONS Ltd Siteviwww dde coil e matl cal ddc co il Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel CONTROL APPLICATIONS Ltd Site lfwaww ddc co d e mal icaliMWddc co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel Table of Contents CHAPTER 1 INTRODUCTION cccsssccccsnssscccessceceees 5 1 1 About the ElNet Pico Powermeter 5 1 2 How to use this manual ooooccconoccocnocccconococonos 6 1 3 Safety Information cccccssccssscccsssccsssccesssces 8 LA Warranty arcada 9 1 5 Your comments are welcoMe oooccoocoos 11 L6 DISCO CE rodri 12 CHAPTER 2 INSTALLATION ccccssscccsssscccnsscccoeess 13 2 1 Contents of packaging ccecccocccocccooccooccouses 14 2 2 Mechanical mounting ccocccccccccooccoceoes 15 2 3 Wiring Schematics coccco000000000000000000000000 16 2 4 Connections estiba 17 2 5 Manufacturing Data ccccccocccccccocccooccoo
11. NS Ltd provides a 12 Month warranty against faulty workmanship or components from date of dispatch under the condition that the product was properly installed and used CONTROL APPLICATIONS Ltd does not accept liability for any damage that may be caused by natural disasters such as floods fire earthquake lightening etc CONTROL APPLICATIONS Ltd does not accept liability for any damage that may be caused by malfunction of the ElNet Pico Energy Powermeter CONTROL APPLICATIONS Ltd will advise the customer on the proper installation and use of the ElNet Pico Energy Powermeter but will not accept any responsibility that the instrument is suitable for the application for which it was originally purchased CONTROL APPLICATIONS Ltd Site lfwaww ddc co d e mal icaliMWddc co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 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 Pico Energy Powermeter has no user serviceable parts and should be opened and serviced by a duly qualified authorized representative only The sensitive electronics could become 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 di
12. Phase To display Power Factor for all 3 phases 5 7 1 From the Main Menu roll to General and press 5 7 2 Roll to Pwr Factor and press Pwr Factor Frequency 5 7 3 The Power Factor Screen Appears P Factor Ll PT 5 7 4 Roll to Power Factor Line 2 Line 3 ALL 5 8 Frequency To display Frequency for all 3 phases 9 8 1 From the Main Menu roll to General and press 5 8 2 Roll to Frequency and press Frequency Current 36 5 8 3 5 8 4 5 9 CONTROL APPLICATIONS Ltd Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel Site vwww ddc co il e maical ddc co il The Frequency Screen Appears Roll to Frequency linel Line 2 Line 3 Active Energy To display Active Energy for all 3 phases 5 9 1 3 9 2 9 9 3 5 9 4 5 9 9 37 From the Main Menu roll to Energy and press Roll to P Energy and press P BEnNOrgy O Energy The Active Energy Screen Appears P Energy Ll a ID KWh Roll to Active Energy Line 1 Line 2 Line 3 ALL The Export Energy opp Direction can be read via communicatoin Please check the Elnet Comm file CONTROL APPLICATIONS Ltd Site lfwaww ddc co d e mal icaliMWddc co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 5 10 Reactive Energy To display Reactive Energy for all 3 phas
13. Section 4 0 for instructions to arrive at the Configuration Menu From the Configuration Menu scroll to Set Date and click Set Date CT Configure 4 4 2 The Set Date screen appears to allow access to set date press H 4 4 3 Press to change the days when finished press 4 4 4 The access to change months will appear change the months by using when finished press H 4 4 5 The access to change years will appear change the years by using when finished press The Date Format is DD MM Y Y Day Month Year 4 5 Filter Settings All readings in the ElVet Energy Powermeter are read and displayed every second In a noisy system these readings would show wild fluctuations Fluctuations can be smoothed out by applying Time Average Filters 28 Site lfwaww ddc co d e mal icaliMWddc co d CONTROL APPLICATIONS Ltd Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel Time Average Filters utilizes the Sliding Window method A calculation is made of the sum of a preset number of readings divided by the same number to gives a new continuously moving average This new calculated reading appears as the new reading every second Recommended factory setting 3 seconds The Time Average Filter does not affect any internal calculations or accumulation of data To set Voltage Current Power or Frequency Filters 4 5 1 All 4 Filte
14. be fit to the SCADA HMI drivers 6 3 Communication Connections The ElNet Pico Energy Powermeter supports RS485 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 ElVet Pico Energy 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 47 CONTROL APPLICATIONS Ltd Site lfwaww ddc co d e mal icaliMWddc co d Supervision amp 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 ElNet Pico Energy 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 EUNet Pico Energy 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 ElNet Pico Powermeter 300 bps 600 bps 1200 bps 2400 bps 4800 bp
15. cees 20 CHAPTER 3 USING ElNet Pico Powermeter 21 3 1 Front FAME rana arar 21 3 2 Control Buttons eecccccccccccccccccoocccoooccooes 22 CHAPTER 4 NECESSARY ElNet Pico SETTINGS 23 4 1 Settings for Current Transformer 2 24 CONTROL APPLICATIONS Ltd Site lfwaww ddc co d e mal icaliMWddc co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 4 2 Phase Order Check cmococnncmssssm2S gt gt 4 3 Time SettingS ccccocc000000000000000000000000000000000000000000 27 44 Date Settings 00cc0000000000000000000000000000000000000 28 4 5 Filter Settings ccooccco00c00000000000000000000000000000 28 CHAPTER 5 Text Panel Displays eeceeeeeeeer 30 SA AI CNG secre 30 5 2 Current in Neurtal Line ccccccccccccoocccooee 31 535 VOM errata 31 54 Active Power P coccccocccocoec000000000000000000000e0ues 32 5 5 Reactive Power O cccccccsscsssccsccssccescssccecess 34 5 6 Apparent Power S c00000000000000000000000000000000000 35 5 7 Total Power Factor and for each Phase 36 5 5 Freque ntY csmmmicocsmcnicsicmhesescereicna 36 5 9 Active Energy ccccccccccccccccoccc000000000000000000000000000000 37 5 10 Reactive EnergY c0ccoo0000000000000000000000000000 38 5 11 Apparent EnergY 50
16. co il Site lfwaww ddc co d e mal icaliMWddc co d CONTROL APPLICATIONS Ltd Supervision amp 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 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 intention 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 CONTROL APPLICATIONS Ltd Site lfwaww ddc co d e mal icaliMWddc co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel CHAPTER 2 INSTALLATION 13 In this Chapter you will find the information and instructions that the Installation Technician needs to mount and connect the ElNet Pico Energy Powermeter WARNING
17. ddc co d e mal icaliMWddc co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel CHAPTER 4 NECESSARY ElNet Pico SETTINGS In this chapter you will find instructions to set the minimum settings that are necessary to allow the ElNet Pico Energy Powermeter to function properly WARNING o The selection installation and settings of the Current Transformer are the most vital and fundamental actions required to ensure the accuracy of the ElNet Pico Energy 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 o All three main current Lines MUST have Current Transformers of the same ratio installed onto them 23 CONTROL APPLICATIONS Ltd Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel The most important setting necessary for the proper functioning of the ElNet LT Energy Powermeter is the Current Transformer setting Site lfwaww ddc co d e mal icaliMWddc co d The cross section of the leads to the current Transformer must be compatible to the power of the current transformer We recommend a power transformer with at least 3VA and the length of the wiring of the transformer no longer than 3m 4 1 Settings for Current Transformer 4 1 1 From the main menu u
18. es 5 10 1 From the Main Menu roll to Energy and press 9 10 2 Roll to Reactive Energy and press 9 10 3 The ReActive Energy Screen Appears O Energy Ll os WO 0 KVRh 5 10 4 Roll to Reactive Energy Line 2 Line 3 ALL 5 11 Apparent Energy To display Apparent Energy for all 3 phases 9 11 1 From the Main Menu roll to Energy and press 9 11 2Roll to Apparent Energy and press gt Energy TOU Rates 38 Site fwuww ddc co il e mail cal dde co il CONTROL APPLICATIONS Ltd Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 5 11 3 The Apparent Energy Screen Appears Energy Ll 0 000 KVAh 5 11 4 Roll to Apparent Energy Line 2 Line 3 ALL Active Power for each Line Reactive Power for each Line Apparent Power for each Line Power Factor Table 5 3 Energy Screens Description 5 12 T O U Energy The Elnet Pico Energy Powermeter record all energy values according to the T O U time of use schedule Each country has different T O U time of use schedule 39 Site lfwaww ddc co d e mal icaliMWddc co d CONTROL APPLICATIONS Ltd Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel To select the T O U schedule 5 12 1 See Section 4 0 for instructions to arrive at the Configuration Menu 9 12 2 Scroll to T O U and press
19. irection Ensure all the connections to the leads of the current transformer wiring is secure and there is no mechanical strain on the wire Connect the lead from side L to the terminal connector L at the relevant phase than connect the lead from side K to the terminal connector K at the same phase of the ElNet Energy Powermeter CONTROL APPLICATIONS Ltd siteviwww ddce coil e mail cal dde co i Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel WARNING Never allow an open circuit between the two Current Transformer leads Repeat the procedure for Line 2 and Line 3 Connect the rest of the connections to the EUNet Pico Energy Powermeter by means of terminal connector plugs The Front Panel See Figure 2 3 has all connections printed and is simple to follow See table 2 1 for connections O O16 N L1 L2 L3 N EINet Esc RS485 Figure 2 3 Front Panel 18 CONTROL APPLICATIONS Ltd Supervision amp control system siteviwww ddce coil e mail cal dde co i Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel Eo Li L2 L3 N IL lik DL DK BL BK RS485 RS485 Linel Supplied Voltage Line2 Supplied Voltage Line3 Supplied Voltage Neutral From Current Transformer L on Linel From Current Transformer K on Linel From Current Transfor
20. l system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 6 5 3 Parity Set Up To set up Parity 6 5 3 1 From Main Menu roll to Config and press 6 5 3 2 Roll to Communication and press 6 5 3 3 The communication screen will appear 6 5 3 4 Roll to Parity and press 6 5 3 5 The Parity screen will appear Baud None Prs To Set 6 5 3 6 Pressing will change the Parity 6 5 4 Stop Bit Set Up To set up Parity 6 5 4 1 From Main Menu roll to Config and press 6 5 4 2 Roll to Communication and press 6 5 4 3 The communication screen will appear 51 CONTROL APPLICATIONS Ltd Site lfwaww ddc co d e mal icaliMWddc co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel Stop BIT Address 6 5 4 4 Roll to Stop Bit and press 6 5 4 5 The Stop Bit screen will appear STOP Birt Prs To Set 6 5 4 6 Pressing will change the Stop Bit When the selection is made it takes immediate affect with no further action required 6 6 Communication with UniArt Software CONTROL APPLICATIONS Ltd propriety software UniArt 1s used to Read and Write Registers of the ElVet Pico Energy Powermeter Each Item number in the Registers Table 1s a unique field containing information The UniArt software manages each Item number as a parameter Refer to the UniArt manual h
21. m Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 1 3 Safety Information The 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 Pico Energy Powermeter Failure to do so may result in serious or even fatal injury and or equipment damage o If the ElNet Pico 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 Pico Energy Powermeter to rain or moisture 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 Site lfwaww ddc co d e mal icaliMWddc co d CONTROL APPLICATIONS Ltd Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel Users should stay alert and not approach the terminals of the EUNet Pico Energy Powermeter while tired or under the influence of alcohol medicines or any other chemical substance that would tend to make a person drowsy o Above all use common sense at all times 1 4 Warranty CONTROL APPLICATIO
22. mation 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 is 230 5 Volts Function 03 will respond with the INTERGER 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 is 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 5 V 46 CONTROL APPLICATIONS Ltd Site lfwaww ddc co d e mal icaliMWddc co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 6 1 7 Registers addresess The ElNet Pico MODBUS registers addresses are updated all the time and can be downloaded from the following web site http www ddc co il elnet pdf 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
23. mer L on Line2 From Current Transformer K on Line2 From Current Transformer L on Line3 From Current Transformer K on Line3 RS485 Comm Line RS485 Comm Line Through a 6Amp fuse Through a 6Amp fuse Through a 6Amp fuse Measurement neutral Line Note the correct direction to insert the lead Note the correct direction to insert the lead Note the correct direction to insert the lead Note the correct direction to insert the lead Note the correct direction to insert the lead Note the correct direction to insert the lead Table 2 1 Front Panel connections CONTROL APPLICATIONS Ltd Site fwuww ddc co il e mail cal dde co il Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 2 5 Manufacturing Data 2 5 1 From the main menu use the 4 button to scroll to Config menu and press 2 5 2 In the PassWord menu use the button to change the password to and press 2 5 3 The Configuration menu will appear use the button to scroll to Information menu and press H 2 9 4 The manufacturing Data will appear use button to scroll between the data when finished press Esc Production date of software operating system Bios Revision Unique identifying number Table 2 2 Production Data 20 CONTROL APPLICATIONS Ltd siteviwww ddce coil e mail cal dde co i Supervision amp control sysiem Tel 972 3 6474998
24. 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 43 Site fwuww ddc co il e mail cal dde co il CONTROL APPLICATIONS Ltd Supervision amp 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 Pico 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 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 44 Site lfwaww ddc co d e mal icaliMWddc co d CONTROL APPLICATIONS Ltd Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69
25. ne 2 Line 3 ALL P Active Power for each Line Q Reactive Power for each Line S Apparent Power for each Line Z P Total Active Power for all 3 Lines Watts XQ Total Reactive Power for all 3 Lines VAR 2 5 Total Apparent Power for all 3 Lines VA PF Power Factor Table 5 2 Power Screens Description 33 Site lfwaww ddc co d e mal icaliMWddc co d CONTROL APPLICATIONS Ltd Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 5 5 Reactive Power Q To display Reactive Power for all 3 phases 5 5 1 From the Main Menu roll to Power and press 9 9 3 The ReActive Power Screen Appears O Power Ll J VAR 5 5 4 Roll to Active Power Line 2 Line 3 ALL 34 Site lfwaww ddc co d e mal icaliMWddc co d CONTROL APPLICATIONS Ltd Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 5 6 Apparent Power S To display Apparent Power for all 3 phases 5 6 1 From the Main Menu roll to Power and press 9 6 3 The Apparent Power Screen Appears S Power Ll FU VA 5 6 4 Roll to Apparent Power Line 2 Line 3 ALL 35 Site lfwaww ddc co d e mal icaliMWddc co d CONTROL APPLICATIONS Ltd Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 5 7 Total Power Factor and for each
26. ns 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 Pico Energy Powermeter to successfully communicate choose one in the communication Set Up 42 CONTROL APPLICATIONS Ltd Site lfwww ddc co d e mai cal ddc co il Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel Table 6 1 RTU Data Format 100 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 Address Function Check 8 bits N 8 bits 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
27. of these different people There could be a situation where two of the above mentioned tasks can be combined or in a rare instance one person could handle all three tasks CHAPTER 1 Introduction describes the ELVet Pico 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 Using the EUNet Pico Powermeter describes in detail front Panel the functions of the control buttons and the Lock Utility CHAPTER 4 Parameter Configuration amp Settings explains in detail the minimum parameters settings needed by the Senior Electrical Engineer to set up and configure the ElVet Pico Energy Powermeter CONTROL APPLICATIONS Ltd Site lfwaww ddc co d e mal icaliMWddc co d Supervision amp 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 tables CHAPTER 6 Communications provides details about the Communication capabilities of the ElVet Pico Energy Powermeter and how to Set Up CHAPTER 7 Specifications is a detailed list of specifications of the ElNet Pico Energy Powermeter CONTROL APPLICATIONS Ltd Site lfwaww ddc co d e mal icaliMWddc co d Supervision amp control syste
28. ow to set up parameters 52 Site lfwaww ddc co d e mal icaliMWddc co d CONTROL APPLICATIONS Ltd Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel To read fields using UniArt 6 6 1 Find the reading required in the MODBUS Registers Table 6 6 2 Note the Item Number from the Registers Table 6 6 3 Go to the correct File number Since File capacity 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 53 siteviwww ddce coil e mail cal dde co i CONTROL APPLICATIONS Ltd
29. r settings procedures are identical 4 5 1 1 From the Main Menu roll to Configuration and press C 4 5 1 2 Roll to Filter and press 4 5 1 3 Roll to either Voltage Current Power or Frequency Filters to access one of them press t 4 5 1 4 Press to change the filter values when finished press ESC 29 Site lfwaww ddc co d e mal icaliMWddc co d CONTROL APPLICATIONS Ltd Supervision amp 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 To display Current for all 3 Phases 9 1 1 From the Main Menu roll to General and press 5 1 2 Roll to Current and press Current Voltage 9 1 3 The current screen will appear use to roll to L2 and L3 when finished press ESC to return to General Menu Current Ll 0 0 Amper 30 Site lfwaww ddc co d e mal icaliMWddc co d CONTROL APPLICATIONS Ltd Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 5 2 Current in Neurtal Line By using Vector calculations the ElNet Energy Powermeter calculates the Current in the Neutral Line To display Current in Neutral Line 9 2 1 Repeat Steps 1 to 5 as found in Sec
30. s 9600 bps 19200 bps 38400 bps 48 Site lfwaww ddc co d e mal icaliMWddc co d CONTROL APPLICATIONS Ltd Supervision amp 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 Communication Set Up 6 5 1 Address Set Up To set up Address 6 5 1 1 From Main Menu roll to Config and press 6 5 1 2 Roll to Communication and press 6 5 1 3 The communication screen will appear Address Baud 6 5 1 4 Roll to Address and press 6 5 1 5 The Address screen will appear Address 31 Prs To Set 6 5 1 6 Pressing will change the address 49 Site lfwaww ddc co d e mal icaliMWddc co d CONTROL APPLICATIONS Ltd Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 6 5 2 Baud Rate Set Up To set up Baud Rate 6 5 2 1 From Main Menu roll to Config and press 6 5 2 2 Roll to Communication and press 6 5 2 3 The communication screen will appear Baud lt J Parity 6 5 2 4 Roll to Baud and press 6 5 2 5 The Baud Rate screen will appear Baud 4800 Prs H To Set 6 5 2 6 Pressing will change the Baud Rate 50 Site lfwaww ddc co d e mal icaliMWddc co d CONTROL APPLICATIONS Ltd Supervision amp contro
31. scretion 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 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 10 CONTROL APPLICATIONS Ltd Site lfwaww ddc co d e mal icaliMWddc co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 15 Your comments are welcome CONTROL APPLICATIONS Ltd sincerely thanks you for choosing our ElNet Pico Energy Powermeter We are confident that 1t 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 Address Control Applications ltd 24A HaBarzel St Tel Aviv 69710 Israel Tel 972 3 647 4998 Fax 972 3 647 4598 Electronic Address cal ddc
32. se the button to scroll to Config menu and press 4 1 2 In the PassWord menu use the button to change the password to and press 2 4 1 3 The Configuration menu will appear use the button to scroll to CT Config menu and press H 4 1 4 The Current Transformer screen appears CT UDOS gt y To Set CT 24 CONTROL APPLICATIONS Ltd Supervision amp control system Tel 972 3 6474998 Fax 9 Site lfwaww ddc co d e mal icaliMWddc co d 72 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 4 1 5 Press to allow access to setting of the CT and then use change to the desirable value When finished press to save the change 4 2 Phase Order Check To avoid any problems arising from incorrect Voltage Connections or accidental reversal of Current Transformer Connections it is necessary to perform a Phase Order Check before continuing To perform Line Status Check Connection Check amp Phase Order Check 4 2 1 From the Main Menu roll to Config and press 4 2 2 Insert password as explained in paragraph 2 5 and roll to Line Status and press Line Status Set Time 25 CONTROL APPLICATIONS Ltd siteviwww ddce coil e mail cal dde co i Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 4 2 3 The Line Status amp Phase Order screen appears Volt bine 1 0K Volt line 2 0K 4 2
33. tion 5 1 9 2 2 Roll to Current In Neutral line 5 3 Voltage To display Voltage for all 3 Phases and across Phases 9 3 1 From the Main Menu roll to General and press General Power 9 3 2 Roll to Voltage and press Voltage Power Factor 31 Site fwuww ddc co il e mail cal dde co il CONTROL APPLICATIONS Ltd Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 9 3 3 The Voltage Screen Appears Voltage Ll 000 0 VOLT 5 3 4 Roll to Voltage Line 2 Line 3 and to Voltage between Line 1 2 Line 2 3 Line 3 1 9 3 0 When finished press ESC to return to General Menu Ll Voltage from Linel to Neutral L2 Voltage from Line2 to Neutral L3 Voltage from Line3 to Neutral L12 Voltage across Linel and Line2 L23 Voltage across Line2 and Line3 L13 Voltage across Linel and Line3 l Volts Volts Volts Volts Volts Volts Table 5 1 Voltage Screens Description 5 4 Active Power P To display Active Power for all 3 phases 9 4 1 From the Main Menu roll to Power and press 32 Site fwuww ddc co il e mail cal dde co il CONTROL APPLICATIONS Ltd Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 9 4 2 Roll to P Power and press 9 4 3 The Active Power Screen Appears P Power Ll 0 0 KW 5 4 4 Roll to Active Power Li
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