Elnet LT - User Manual 21.09.2010
Contents
1. Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 5 3 Reset V F Peak values In order to clear old peak values 1 From Main Ment scroll to Voltage Current Hz The Voltage Current Hz screen appears WOLTAGE CURRENT HZ POWER POWER FACTOR POWER QUALITY ENERGY METER TECHNICAL a TF Figure 5 7 Main Menu 2 Click ENTER The Current Voltage and Frequency screen appears QLTAGE CURRENT H FEAL TIME DISPLAY MIMMAS DISPLAY MIN MAS RESET COMBINED TABLE a Figure 5 8 Voltage Current Hz 41 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 3 Scroll to MIN MAX RESET and click ENTER The Enter Code screen appears ENTER CODE ENTER RESET CODE Habe r4 i t Figure 5 9 Enter reset code In order to clear old peak values enter password 6474 Use the buttons F3 amp F4 to move the cursor to set the value use buttons F1 amp F2 5 4 Power Display 5 4 1 Real time power display To display Power for all 3 phases 1 From Main Menu scroll to Power power factor Display 2 Click ENTER 42 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel2. Without using any sharp instruments carefully open the carton of the ElNet LT Energy amp Power Multimeter Please check the contents of the carton it should contain 1 New ElNet LT Energy amp Power Multimeter 2 ElNet LT User Manual This book 3 Test Certificate and Certificate of Compliance C O C 4 2 X two pole connector plugs CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d rvision amp control sy Supe ystem Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 2 2 Mechanical mounting To Mount the ELNet LT Energy amp Power Multimeter NOTE Do not mount the EUNet LT Energy amp Power Multimeter too close to any main electrical conductors Allow sufficient space to carry out maintenance to the back of the ELNet LT Energy amp Power Multimeter l Choose a suitable location and prepare a rectangular hole according to the dimensions shown in Figure 2 1 Width Height 90 mm 90 mm Figure 2 1 Panel Cutout 15 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system 4 Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 2 Slide the ElNet LT Energy amp Power Multimeter into the pre prepared rectangular hole ensure it is the right way up then push the four mounting clips into position Use mild force to ensure the clips are securely positioned on the oute
3. Reset 1 V F Peak values cccccccssssccccceeees 41 5 4 Power Display sccnnnnsniccdnnnannnnnnnnnned 42 5 4 1 Real time power display ssccsssssssssees 42 5 4 2 Set Reset power peak values sssee00 44 5 4 3 Power Demand sisississcssccinrencssscusscsssensncecsanssesss 46 5 5 Power Quality sisssissiisssisssssssssssosssssssssosossassossssasssai 47 5 5 1 Wave Form DisplaJ ssscccssssssssssssssseees 47 5 5 2 Harmonics Analyzer amp THD sesssssssesssssssee 49 5 5 3 Alarm Sul Padncnciicinnnnncnciwnniannnne 50 5 6 Energy Metering ssssssessescesecceesecceccesecssssesesssesee 51 5 6 1 Main Energy Meter ssccccssssssssssssssssees 52 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d 5 6 2 2nd Energy Meter icciccncnicnnnnnnadanen 53 5 6 3 TOA Ener y sisisisosirsoisisiresisid nosisosasssisod nsosnos 54 5 6 4 Periodic Energy meter sssssssssssssssssssesesssssee 55 CHAPTER 6 COMMUNICATION cccsssseee 56 6 1 MODBUS Framing ssscccsssssssssssssssssssseees 56 6 1 1 RTU Transmission Mod e ccccccccccccees 56 6 1 2 The RTU Frame Format sssssssssssos0000000000 57 6 1 3 Address Field wsccessesscesccecsssssscssccscsnsssesteceasatoens 58 6 1 4 Function Field eesesesesesssssesssssssosssosososssosoo 58 6 1 5 Data Field isis cacscsss
4. 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 59 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 6 2 Registers for ElNet LT Multimeter The ElNet LT Energy amp Power Multimeter 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 LT 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 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
5. Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel The PARAMETERS ORDER screen appears PARAMETERS ORDER STANDARTI COMPATIBLE 154 COMPATIBLE 174 COMPATIBLE 318 am Figure 6 1 Parameters Order Select the requested order that compatible to the driver installed in your SCADA HMI 6 3 Communication Connections The ElNet LT Energy amp Power Multimeter supports RS485 communication Connections are provided on the Rear Panel Please refer to section 2 3 and are made by means of the connectors provided 6 4 Communication Settings To enable the User to connect the ElNet LT Energy amp Power Multimeter to a PC computer for successful communications the Communication Setup parameters of both must match i e the port of the PC and the configuration settings of the Power meter Address Baud Rate Parity 62 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde 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 its own unique address Because the ElNet LT Energy amp Power Multimeter 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 ElNet LT Energy am
6. CHAPTER 3 USING ElNet LT MULTIMETER 22 3 1 Fro nt Pane siseteicssccessivetnicecceresascinsescsssacsinereeceiasee 22 3 2 Control BUttONnS ssssssssiissssscsesissssissssssssosssosesssssssssss 23 Button BACK returns to the previous step or to the Main Men 6 csssssevccssvausves sieterssaverexestenisucssrsuseeraceesvessusisess 23 3 3 Lock Utility aca von secesccscscescastovachecscdecvatduonscussnesoretbbas 24 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system p Send CHAPTER 4 NECESSARY ElNet LT SETTINGBS 25 4 1 Settings for Current Voltage Transformer 28 4 2 Electrical Connection Check ccccccsssssssees 29 4 3 Change language sssssseeecesesecesesesesssesesssesssssssssee 32 4 4 Time Settings eeseseseseseseeecececccesececeessecseesssesesesee 32 4 5 Date SettingS ssssssssiososososnsososoinsosososn ssnsoinssseseins 33 4 6 Zero Accumulating Values sccccssssssssssssssees 34 4 7 Setting energy pulse cccssssssssssssssssssssssssees 34 4 8 Delta star Electrical network definition 35 CHAPTER 5 FRONT PANEL DISPLAYS 37 5 1 Current Voltage amp Frequency scccccssssssees 37 5 2 Current Voltage amp Frequency Peak 39 WANES sss cscsasacenissessseanesuccaiasnssssscniscnstuvesscakissscessicessensectanesn 39 5 3
7. 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel OK Voltage OK present on Lines Current present in If OK is not present on 3 Lines and synchronized Lines then it is not connected with Voltage Lines If correctly OK is not present on 3 Lines then it is not connected correctly OPP Not Ap Wired in incorrect direction NO No Voltage No current Table 4 1 Voltage and Current Messages Phase Order Messages i 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 Messages 31 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 4 3 Change language To change language on the display screen See Section 4 0 for instructions to arrive at the Technical Menu From Technical Menu scroll to NEXT and again NEXT and LANGUAGE 1 Click ENTER The Set Language screen appears SET LANGUAGE DEFAULT ENGLISH RUSS TAM Figure 4 5 Set Language 4 4 Time Settings To set Time See Section 4 0 for instructions to arrive at the Technical Menu From Technical Menu scroll to Set clock 1 Click ENTER The Set Clock screen appears SET CLOCK 09 49 27 t 4 Figure 4 6 Set Clock 32 CONTR
8. Alarm setup and click ENTER The Alarm setup screens appear and you will be requested to select the electrical measurement to be defined voltage current demand KW IMP KW EXP by pressing enter and set the alarm levels 50 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel ALARM SCREEN em WOLTAGE ALARMS CURRENT ALARMS DEMAND ALARM KM IMP KH EAP ALARM a Figure 5 20 Alarm Screen 5 6 Energy Metering To display active reactive and Apparent Energy values 1 From Main Menu scroll to ENERGY METER 2 Click ENTER The Energy Meter screen appears ENERGY METER HAIN METER ENERGY SEC METER EMERG ENERGY BY 1 0 1 PERIODIC ENERGY a Figure 5 21 Energy meter 51 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 5 6 1 Main Energy Meter This meter will display the total energy that was measured and accumulated in the meter from the moment the meter was connected to the power This meter is non erasable and the total energy that was measured and accumulated cannot be changed or deleted By using the sub menu you will be able to By using F1 The Elnet will display the amount of the energy used for each r
9. F3 in order to display Current in Neutral Line NYA WA Use F in order to display Frequency values 38 Siteviwww dde co il e mail cal dde co d ss APPLICATIONS Ltd Te i 972 3 5474998 Fox Yo72 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 5 2 Current Voltage amp Frequency Peak Values To display Current Voltage and Frequency Peak values 1 From Main Menu scroll to Voltage Current Hz WOLTAGEs CURRENT He POWER POWER FACTOR ENERGY METER TECHNICAL a TF Figure 5 4 Main Menu 2 Click ENTER The Current Voltage and Frequency screen appears OLTAGE CURRENT H REHL TIME DISPLAY HINAS DISPLAY MINHA RESET COMBINED TABLE a l Figure 5 5 Voltage Current Hz 39 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d on amp control system Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel Supervision amp contre Tel 972 3 6474998 3 Scroll to MIN MAX display and click ENTER The Min Max screen appears MINIMUM MART MLM Ll 236 2 2353 4 U L2 231 2 233 4 L3 229 7 233 3 V J TE DE Figure 5 6 Min Max values Use F1 in order to display voltage peak values Use F2 in order to display current peak values Use F3 in order to display peak Current in Neutral Line NYA WA Use F in order to display Frequency peak values 40 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d
10. 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 LT Energy amp Power Multimeter to successfully communicate choose one in the communication Set Up 56 Siteviwww dde co il e mail cal dde co d CONTROL APPLICATIONS Ltd Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel Start bit Data bits Parity 00 Stop it Table 6 1 RTU Data Format 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 8 bits 8 bits N 8 bits 16 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 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 57 CONTROL APPLICATIONS Ltd Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69
11. SET ENERGY PULSE 3 Click ENTER The SET ENERGY PULSE screen appears SET ENERGY PULSE mEWH PER ONE PULSE PULSE TIME SEC a Figure 4 8 Set Energy Pulse 34 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control sys tem Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 4 Setall the values for the pulse output Please note that while you are using the output for energy pulse usage you can not use the same output for alarms 4 8 Delta star Electrical network definition The ElNet LT can be installed in two types of electrical networks DELTA a system without neutral line STAR a system with neutral line In order to change the type of the electrical network connected to the Elnet LT See Section 4 0 for instructions to arrive at the Technical Menu 1 From Technical Menu scroll to Next then to DELTA STAR SYSTEM 2 Click ENTER The Connection screen appears i DELTA Connection Figure 4 8 Delta Connection 3 Use F3 F4 in order to change the connection type 35 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel When you are using DELTA networks the currents line currents and the voltages between phases are not in the same phase therefore part of the measuremen
12. Unit ID Unique identifying number 6 IP Address IP Address option 6 Comm Communication address of RS485 MODBUS Table 2 2 Production Data 21 Siteviwww dde co il e mail cal dde 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 3 USING ElNet LT MULTIMETER 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 6 operating buttons All the readings are shown on a state of the art 128 X 64 resolution graphic screen and are explained in detail in Chapter 5 The Control Buttons and their functions are fully explained in Section 3 2 L BIN Energy amp Power quality www ddc co il FI F2 F3 F4 Back A A A 4 Enter Figure 3 1 Front Panel 22 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 3 2 Control Buttons 23 To operate the Control Buttons on Front Panel The ElNet LT Energy amp Power Multimeter has six Control Buttons With these buttons the User and Senior Electrical Engineer can achieve all the functions necessary The Control Buttons are arranged on a k
13. cal dde co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel The ElNet LT Energy amp Power Multimeter 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 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 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 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 1 5 Your comments are welcome 11 CONTROL APPLICATIONS Ltd sincerely thanks you for choosing our EUNet LT Energy amp Power Multimeter 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 instr
14. field only The PC master requests the Voltage from Line1 and the actual Voltage in that field is 230 5 Volts Function 03 will respond with the INTERGER only i e 230V 60 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 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 i e 230 5V 6 2 1 Registers addresess The ElNet LT 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 be fit to the SCADA HMI drivers In order to change the MODBUS registers addresses numbering order See Section 4 0 for instructions to arrive at the Technical Menu 1 Scroll to NEXT 2 Scroll to PARAMETERS ORDER 3 Click ENTER 61 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d
15. for Volts Linel 2 74 3 467 7 Harmonic for Current Line 3 3 83 4 128 0 128 5 129 1 1 6 256 1 128 7 257 2 1 8 2 9 3 385 21 Harmonics for Volts Line3 Table 6 4 Function Codes CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d 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 260V AC or 110 300V DC 60 50 Hz 5VA Dimensions HxWxD 1106x300x60 mm Shipping Weight 1 250 gr Measuring voltage limits 700VAC Measuring current limits 6A Operating Voltage limits 1000 V Operating Current limits 50A Enclosure material ABS Anti flame Display Graphic 64x128 Operating temperature 20 70C Storage temperature 20 80C Humidity 0 90 RH Voltage input terminals VL E10 1708 Communication port RS485 Mounting Front Panel Mounting Table 7 1 Specifications All technical specifications are subject to change without notice 69 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel Index Appendix A Installation amp Configuration Check List INSTALLATION CHECK LIST Check contents of packaging Remove from packaging Prepare hole Mount Multimeter Connect Mult
16. the user By using the sub menu you will be able to By using F1 DATE the user can define two dates in order to set the period of time for calculating the active energy in this period By Using F2 The Elnet will display the amount of the active energy used for each rate RT1 Rate number 1 RT2 Rate number 2 RT3 Rate number 3 ALL All rates By Using F3 and F4 The Elnet will display the amount of active energy from the selected dates MON Change the date by adding a month MON Change the date by subtracting a month 55 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d 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 LT Energy amp Power Multimeter 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 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
17. using UniArt 1 Find the reading required in the MODBUS Registers Table 2 Note the Item Number from the Registers Table Go to the correct File number Since File capacity in UniArt is limited to 128 parameters the information contained in the ElNet LT fields is stored in several files File number is determined by the Item number File 0 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 4 Goto 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 67 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel By applying the formula 467 3 X 128 83 File 3 and Point number within that file 83 More Examples 384 20 Harmonics for Volts Line 3 128 1 2 Voltage Line 2 0 2 2 330 30 Harmonics
18. 46 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d on amp control system Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel Supervision amp contre Tel 972 3 6474993 The Power Demand screen appears POWER DEMAND 948 5 PF OA be 13 81 86 99 34 87 KUA Pie Re FPF 962 li 99 34 87 Figure 5 16 Power Demand 5 5 Power Quality Poor Harmonics could invoke a fine and damage to the electrical system and can be improved by adding filters The ElNet LT Energy amp Power Multimeter is capable of displaying Harmonics in Wave Form Graph Harmonics Bar Graph for Voltage and Current 5 5 1 Wave Form Display To display Wave Form Graphs 1 From Main Menu scroll to Power Quality 2 Click ENTER 47 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel The Power Quality screen appears POWER QUALITY HARMONICS ANALYZER WAVEFORM DISPLAY ALARM SCREEN Figure 5 17 Power Quality 3 Scroll to WAVE FORM and click ENTER The Wave form Graphs screen appears TT Tui Figure 5 18 Voltage Graph Available Waveform Graphs Volts Line 1 Line 2 and Line 3 Current Line 1 Line 2 and Line 3 48 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 6474998 Fa
19. 710 Israel 6 1 3 Address Field Siteviwww dde co il e mail cal dde co d 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 LT Energy amp Power Multimeter 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 58 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp 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
20. ATIONS Ltd envisage this manual to be used by three types of people i 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 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 ELNet LT Energy amp Power Multimeter 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 LT Energy amp Power Multimeter 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 ELNet LT Energy amp Power Multimeter CHAPTER 5 Front Panel Displays is an easy to follow step by step guide to obtain readings graphs and tables CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel CHAPTER 6 Communications provides details about the Communicat
21. Aviv 69710 Israel The Power Power factor screen appears OHER POWER FACTO REAL TIME DISPLAY HIMMA DISPLAY POWER DEMAND MIM MAS RESET a Figure 5 10 Power Power factor 3 Scroll to REAL TIME DISPLAY and click ENTER The real time Power Power factor screen appears u ollw 2 O 403 wm a W074 wa a PF aL Figure 5 11 Power factor Use F1 in order to display Reactive Power values Use F2 in order to display Apparent Power values Use F3 in order to display Power Factor values NAUA Use F in order to display total 3 lines active reactive and apparent power values 43 Siteviwww dde co il e mail cal dde co d CONTROL APPLICATIONS Ltd Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel a P Active Power for each Line Watts Q Reactive Power for each Line VAR S Apparent Power for each Line VA LP Total Active Power for all 3 Lines Watts LQ Total Reactive Power for all 3 Lines VAR 2S Total Apparent Power for all 3 Lines VA PF Power Factor Table 5 1 Power Readings 5 4 2 Set Reset power peak values To display reset power peak value 1 From Main Menu scroll to Power power factor Display 2 Click ENTER The Power Power factor screen appears OHER POWER FACTO REAL TIME DISPLAY MINHA DISPLAY POWER DEMAND MIM MA RESET a Fi
22. LT 03 EWNe ta Energy amp Power quality www dde co il VOLTAGE CURRENT HZ POHER POWER FACTOR WER QUALITY TECHMICAL a F3 F4 Elnet LT Electrical Measurements amp Power Quality CONTROL APPLICATIONS Ltd Supervision amp control system CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d upervision amp control system Tel 972 3 6474993 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel S Table of Contents CHAPTER 1 INTRODUCTION ccccssssssssssssssscesssssees 5 1 1 About the ElNet LT Multimeter 000 5 1 2 How to use this manual ccccssssssssrecessssseees 6 1 3 Safety Information sssccssccs secs cecscccesxeacesscestevesexsiexecs 8 1 4 Warranty oc sss dacscnccneds chs cacecace pede chiccrcstecenedscbicewssecees 9 1 5 Your comments are welcome ccccecessssssees 11 1 6 DisclaiMer seis secsisssccnsspsscicsssasccsasrcesvsscvnssvessiossvansbon 12 CHAPTER 2 INSTALLATION sccccssssssssssssssseeeeees 13 2 1 Contents of packaging ccscsssssssssssssssssssees 14 2 2 Mechanical mounting cccscsssssssssssssssssssees 15 2 3 Wiring Schematics ses cess cccscscecececscecrescncecucecsteccsenes 17 2 4 Rear Panel ConnectionS sessssssssssoosccsscesssssssssse 18 2 5 Manufacturing Data scccsssssssssssssssssssssees 21
23. OL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel Use the buttons F3 amp F4 to move the cursor to set the value use buttons F1 amp F2 4 5 Date Settings To set Date See Section 4 0 for instructions to arrive at the Technical Menu From Technical Menu scroll to Set Date 1 Click ENTER The Set Date screen appears SET DATE oe He 4 Figure 4 7 Set Date Use the buttons F3 amp F4 to move the cursor to set the value use buttons F1 amp F2 The Date Format is DD MM Y Y Day Month Year 33 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control sys Tel 972 3 6474998 Fax tem 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 4 6 Zero Accumulating Values To set all accumulating values to Zero Beware Very danger step 1 Repeat step 1 and 2 from Section 4 1 2 Move the cursor with the F1 F2 F3 amp F4 buttons See Section 3 2 for description of button functions 3 Insert 6425 into the password field 4 7 Setting energy pulse The digital output number 6 can be define as a pulse output each pulse equivalent to pre define energy consumption value in order to set the pulse out put See Section 4 0 for instructions to arrive at the Technical Menu From Technical Menu 1 Scroll to NEXT 2 Scroll to
24. TER 4 NECESSARY ElNet LT SETTINGS 25 In this chapter you will find instructions to set the minimum settings that are necessary to allow the ElNet LT Energy amp Power Multimeter to function properly WARNING The selection installation and settings of the Current Transformer are the most vital and fundamental actions required to ensure the accuracy of the ElNet LT Energy amp Power Multimeter 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 Siteviwww dde co il e mail cal dde 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 0 Entering code The most important setting necessary for the proper functioning of the EUNet LT Energy amp Power Multimeter is the Current Transformer setting 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 1 From Main Menu scroll to Technical Menu 2 Click ENTER 26 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control s
25. ails such as Voltage Current Power Factor Hertz Neutral Current Energy consumption can be displayed by the ElNet LT Energy amp Power Multimeter An additional feature of the Multimeter is the 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 ElNet LT Energy amp Power Multimeter is a compact multi functional three phase Multimeter 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 the front face 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 LT Energy amp Power Multimeter is carefully and meticulously manufactured using quality components and the latest production methods Before leaving the factory each ElNet LT Energy amp Power Multimeter is calibrated and is sent to the customer accompanied by the test certificate and Certificate of Compliance C O C Siteviwww dde co il e mail cal dde 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 2 How to use this manual We at CONTROL APPLIC
26. arzel St Tel Aviv 69710 Israel Siteviwww dde co il e mail cal dde co d Vi Linel Supplied Voltage Through a 6Amp fuse V2 Line2 Supplied Voltage Through a 6Amp fuse V3 Line3 Supplied Voltage Through a 6Amp fuse N Neutral Measurement neutral Line A From Current Note the correct direction to Transformer on Linel insert the lead DA From Current Note the correct direction to Transformer on Line2 insert the lead BA From Current Note the correct direction to Transformer on Line3 insert the lead Power Supply 110 260 Or 110 260 VDC external VAC power supply or bridged from phase measurement Np Neutral Neutral of external power supply RS485 RS485 Comm Line RS485 RS485 Comm Line Table 2 1 Rear Panel connections 20 Siteviwww dde co il e mail cal dde 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 5 Manufacturing Data Press F1 on the keyboard for 6 seconds The following screen will appear EP DATE 2470609 VERSION 1 878 CT RATE 4 LT ARM TYPE DELTA UNIT ID z P 192 168 35 3 COMM 1 SCHEM TEST Figure 2 5 Manufacturing data 1 Ep Date Production date of software operating system 2 Version Bios Revision 3 CT Rate Current transformer ratio 4 Type Hardware type and electrical network connection 5
27. ate RT1 Rate number 1 RT2 Rate number 2 RT3 Rate number 3 ALL All rates By using F2 The Elnet will display the amount of the energy used for each line L1 Line number 1 L2 Line number 2 L3 Line number 3 ALL All Lines By using F3 The Elnet will display the amount of the active reactive and apparent energy P only active energy Q only reactive energy P only Apparent energy By using F The Elnet will display the amount of the imported energy and the amount of the exported energy EXP energy exported IMP energy imported 52 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 5 6 2 2nd Energy meter This meter will display the total energy that was measured and accumulated in the meter from the last clear of the accumulated energy data The accumulated energy data in this meter can be erasable cleared by the user By using the sub menu you will be able to By using F1 The Elnet will display the amount of the energy used for each rate RT1 Rate number 1 RT2 Rate number 2 RT3 Rate number 3 ALL All rates By using F2 The Elnet will display the amount of the energy used for each line L1 Line number 1 L2 Line number 2 L3 Line number 3 ALL All Lines By using F3 The Elnet will display the am
28. cccsesescetseasscamiicscaisesiccaunetincis 59 6 1 6 Check Field sssssosssssssssssssosssssesssssssssssosso 59 6 2 Registers for ElNet LT Multimeter 60 6 2 1 Registers addresess ssssssssesososssososososos0s0000 61 6 3 Communication Connections ccccccsssseees 62 6 4 Communication Settings ccscsssssssssssseees 62 6 4 1 Communication Address cccccccccccccees 63 6 4 2 Baud RAVE iasdessccssdeivecccacatecsciciiccisscocscaciciiceasacad 63 6 4 3 Parity anacsicecnunicannennnnunnunnwwn 63 6 5 Communication Set Up ssssssssssssssssssssssssssssssesee 64 6 5 2 Set up Ethernet Communication 000 65 6 6 Communication with UniArt Software 66 Table 6 4 Function Codes sasvsscssisstanssnseassnnesaantasrscanoxtannciesass 68 CHAPTER 7 Specifications sssssssssssssesesssessssssoosessssess 69 Ndek aA E E AE E E 70 Appendix A Installation amp Configuration Check List 70 Siteviwww dde co il e mail cal dde 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 1 INTRODUCTION 1 1 About the ElNet LT Multimeter 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 Det
29. ctions to reach the Technical Menu 1 From Technical Menu scroll to Set Communication 2 Click ENTER 3 Scroll to Ethernet and click Enter The Ethernet Communication Setup screen appears ETHERMET SET IF SET GATEWAY SET MASK MAC ADDRESS Figure 6 3 Ethernet Communication Setup 4 Scroll to Set IP and click Enter 65 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 64749983 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel The IP Setup screen appears SEF IF Ea 168 37 sf H 4 b Figure 6 4 IP Setup Use buttons F1 amp F2 to set the values Use the buttons F3 amp F4 to move the cursor 5 If required repeat steps 1 4 to set the GATEWAY and MASK 6 The MAC address is set automatically however it can be changed as well by repeating steps 1 4 6 6 Communication with UniArt Software CONTROL APPLICATIONS Ltd propriety software UniArt is used to Read and Write Registers of the ElNet LT Energy amp Power Multimeter Each Item number in the Registers Table is a unique field containing information The UniArt software manages each Item number as a parameter Refer to the UniArt manual how to set up parameters 66 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel To read fields
30. eypad below the display screen and require slight finger pressure to click Button ENTER accepts the choice and executes the commands Button F1 F2 F3 F4 performs the function that the arrow above is pointing to e g move the curser or selects the prompt that the arrow is pointing to Button BACK returns to the previous step or to the Main Menu CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control sys Tel 972 3 6474998 Fax fem 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 3 3 Lock Utility To lock and unlock the Control Buttons The Control Buttons can be locked against any unauthorized or accidental usage NOTE Only sub menus can be locked The Lock Utility does not work on the Main Menu To lock press ENTER for six 6 seconds A Keyboard Locked message appears on the screen when any button is pressed To unlock simply press ENTER for six 6 seconds A Keyboard Unlocked message appears on the screen and normal functions can resume In the event of a general power failure the EUNet LT Energy amp Power Multimeter will return to the screen that was showing before the power failure occurred 24 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 6474993 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel CHAP
31. gure 5 12 Power Power factor 44 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d l system Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel Supervision amp contro Tel 972 3 6474998 3 Scroll to MIN MAX DISPLAY and click ENTER in order to display power peak value and power factor peak values The Min Max screen appears MINIMUM MAK THLIH Hy 1 323 KH zo 1 387 KUA ij 1 546 KURR EFF FF Figure 5 13 Min Max 4 Scroll to MIN MAX RESET and click ENTER in order to clear power peak value and power factor peak values The Enter Code screen appears ENTER CODE ENTER RESET CODE Habed t4 t d Figure 5 14 Enter Code 45 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d l system Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel Supervision amp contro Tel 972 3 6474998 5 In order to clear old peak values enter password 6474 6 Use the buttons F3 amp F4 to move the cursor to set the value use buttons F1 amp F2 5 4 3 Power Demand To display Power demand within two dates 1 From Main Menu scroll to Power power factor Display 2 Click ENTER The Power Power factor screen appears OHER POWER FACTO REAL TIME DISPLAY MIM MAA DISPLAY POWER DEMAND MIM MAS RESET a Figure 5 15 Power Power factor Scroll to POWER DEMAND and click ENTER in order to display power demand values
32. imeter power supply Connect 3 Current Transformers Connect 3 Voltage lines Connect Neutral line Set Current Transformer Ratio Connect Communication lines Check Phase Order Connections Set Time and Date Appendix A Table Installation amp Configuration Check List
33. ion capabilities of the EUNet LT Energy amp Power Multimeter and how to Set Up CHAPTER 7 Specifications is a detailed list of specifications of the ElNet LT Energy amp Power Multimeter APPENDIX A Installation amp Configuration Check List provides a Check List to insure no important steps will be missed during the initial set up CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system 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 Ensure that all incoming AC power and other power sources are turned off before performing any work on the ElNet LT Energy amp Power Multimeter Failure to do so may result in serious or even fatal injury and or equipment damage If the ElNet LT Energy amp Power Multimeter is damaged in any way do NOT connect it to any power source To prevent a potential fire or shock hazard never expose the ElNet LT Energy amp Power Multimeter to rain or moisture Keep the surrounding area free of dirt and clutter especially metal objects Good housekeeping pays Inspect the cables periodically for cracks kinks or any other signs of wear Keep children away Do not pull the cords CONTROL APPLICATIONS L
34. ount of the active reactive and apparent energy P only active energy Q only reactive energy P only Apparent energy By pressing and holding the F4 button for 6 seconds Elnet will delete the accumulated energy data CLR Clear Delete the accumulated energy data 53 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 5 6 3 T O U Energy The Elnet LT Energy amp Power Multimeter 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 in order to select the T O U schedule See Section 4 0 for instructions to arrive at the Technical Menu 1 From Technical Menu scroll twice to NEXT 2 Scroll to SELECT T O U RATES 3 Click ENTER The Select TOU rates screen appears SELECT TOL RATES DEFAULT TOL MEsICO TOL URUGUAY TOL URUGUAY S TOLI HET SELECT TOL RATES SLOWEMIA_ TOL WITHOUT TOL Figure 5 21 Select TOU 4 Select the T O U time of use schedule 54 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 5 6 4 Periodic Energy meter This meter will display the total energy that was measured and accumulated between two dates which can be defined by
35. p Power Multimeter 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 LT Multimeter 600 bps 1200 bps 2400 bps 4800 bps 9600 bps 19200 bps 6 4 3 Parity The choices of parity are either NONE or EVEN see Section 6 1 1 for description of Parity Siteviwww dde co il e mail cal dde 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 Communication Set Up 6 5 1 Set up Serial Communications See Section 4 1 for instructions to reach the Technical Menu 1 From Technical Menu scroll to Set Communication 2 Click ENTER 3 Scroll to Serial Comm and click Enter The Serial Communication Setup screen appears SET COMMUNICATION ADDRESS BAUITIRATE 5 PARITY EVEN T la T Figure 6 2 Serial Communication Setup Use buttons F1 amp F2 to set the values Use the buttons F3 amp F4 to move the cursor When the selection is made it takes immediate affect with no further action required 64 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d 4 EN S a 24a Habarzel St Tel Aviv 69710 Israel 6 5 2 Set up Ethernet Communications See Section 4 1 for instru
36. r case of the ElNet LT Energy amp Power Multimeter 3 Ensure the ElNet LT Energy amp Power Multimeter is firmly in place Figure 2 2 Mounting Clips CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system 4 Tel 972 36474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 2 3 Wiring Schematics To wire up the ElNet LT Energy amp Power Multimeter Supply L1 L2 La L Control K Applications b P www dde co il K i Din Q TTT asa 1213141516 Cc i NP ij i st 3x1x6 Amp O VDC VAC ae 0 Alternate oT O _ External Power Supply pocorn ee o N oo Load Figure 2 3 Schematic Wiring Diagram 17 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 6474993 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 2 4 Rear Panel Connections Please re read section 1 3 for safety instructions To connect the Rear Panel All Connections except those to the CT core of the ElNet LT Energy amp Power Multimeter are made via terminal connector plugs Voltage input Power Supply Communication etc Max recommended tightening torque for the connector screws is 0 5 Nm The CT cores of the ElNet LT Energy amp Power Multimeter are located externally on the rear of the instrument and the lead from the leg of the external C
37. rs CURRENT TRANS LOW CURRENT 3 SET HIGH CURRENT BEBEES 4 j Figure 4 3 Current Transformer The present setting for the Current Transformer is shown Use the buttons F3 amp F4 to move the cursor to set the ratio use buttons Fl amp F2 The method for setting for the Voltage Transformer is the same 4 2 Electrical Connection 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 Electrical connection Check See Section 4 0 for instructions to arrive at the Technical Menu 29 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel 1 From Technical Menu scroll to Connection test 2 Click ENTER The Connections Test screen appears CONNECTIONS TEST WOLT CUR Li OF HO L OK HO L3 Ok ORDER OF CT 5 HIT ANY KEY Figure 4 4 Connections Test Very important very common problem The information above and under is accurate only if there is a phase coloration between the current and voltage The current 11 12 I3 and the voltage V1 V2 V3 should be connected in this order 30 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 6474998 Fax
38. td Siteviwww dde co il e mail cal dde co d 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 rear of the ElNet LT Energy amp Power Multimeter while tired or under the influence of alcohol medicines or any other chemical substance that would tend to make a person drowsy 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 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 LT Energy amp Power Multimeter CONTROL APPLICATIONS Ltd will advise the customer on the proper installation and use of the EUNet LT Energy amp Power Multimeter 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 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail
39. ts are not applicable and part of the display screens are not applicable 36 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d l system Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel Supervision amp contro Tel 972 3 6474998 CHAPTER 5 FRONT PANEL DISPLAYS In this chapter you will find instructions on how to obtain the readings that the EUNet LT Energy amp Power Multimeter provides e g Current Voltage Power Power Factor Energy and Power quality 5 1 Current Voltage amp Frequency To display Current Voltage and Frequency for all 3 Phases 1 From Main Menu scroll to Voltage Current Hz WOLTAGE CURRENT Hz POWER POWER FACTOR POWER QUALITY ENERGY METER TECHNICAL a lY Figure 5 1 Main Menu 2 Click ENTER 37 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d l system Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel Supervision amp contro Tel 972 3 6474998 The Current Voltage and Frequency screen appears OLTAGE CURRENT H FEAL TIME DISPLAY MINHA DISPLAY MINHAS RESET COMEIMED TABLE a Figure 5 2 Voltage Current Hz 3 Scroll to REAL TIME DISPLAY and click ENTER The Current Voltage and Frequency screen appears uo 230 4 2 2321 is 230 31 U I Ih F Figure 5 3 Voltage screen Use F1 in order to display voltage values Use F2 in order to display current values Use
40. ument 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 Itd 24A HaBarzel St Tel Aviv 69710 Israel Tel 972 3 647 4998 Fax 972 3 647 4598 Electronic Address cal ddc co il Siteviwww dde co il e mail cal dde 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 periodicall
41. urrent Transformer must pass through in the correct direction NOTE Ensure all the connections to the leads of the current transformer wiring are secure and there is no mechanical strain on the wire 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 Insert the leads from side L of the external Current Transformers to the ELNET current transformers the side L And from side K of the ELNET current transformers back to side K of the external transformers se APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d supervision amp control s yste 4 Tel t972 3 6474998 Fax T972 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 ElNet LT Energy amp Power Multimeter by means of terminal connector plugs The Rear Panel See Figure 2 3 has all connections printed and is simple to follow See table 2 1 for connections i c iNet ce Made in Israel L r Measur ement r Power 4 Niva MEREFEST Figure 2 4 Rear Panel 19 Supervision amp control system Tel 972 3 6474998 Fax 972 3 6474598 24a Hab
42. x 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel Use F1 in order to display current waveform Use F2 in order to toggle between L1 L2 L3 5 5 2 Harmonics Analyzer amp THD For analyzing and display Harmonics Bar Graphs amp THD 1 From the Main Menu scroll to Power Quality Display 2 Click ENTER The Power Quality screens appear See Figure 5 18 3 Scroll to Harmonics analyzer and click ENTER The Harmonics current Bar Graph screens appear HARMONY 2 6 22e TLL 1 41 tb Figure 5 19 Harmonics bar Graph 49 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision amp control system Tel 972 3 6474993 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel Use F1 at least 2 seconds in order to toggle the display between current waveform voltage Waveform and THD current amp voltage Total Harmonic Distortion Use F2 in order to toggle between L1 L2 L3 Use F3 F in order to display and toggle between the harmonics values up to the 64 harmony The bar graph of the 1 Harmonics 100 is shown without proportion to the other harmonics in order to display properly all the other harmonics 5 5 3 Alarm Setup To set the alarm level for electrical measurements 1 From Main Menu scroll to Power Quality Display 2 Click ENTER The Power Quality screens appear See Figure 5 18 3 Scroll to
43. y made to the information herein these changes may be incorporated in new editions of the publication CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde 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 LT Energy amp Power Multimeter WARNING During operation hazardous voltages are present in connecting cables and terminal blocks 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 Refer to Section 1 3 Safety information before carrying out any installation Read this manual thoroughly and make sure you understand the contents before connecting the ElNet LT Energy amp Power Multimeter to any power source CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d 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 LT Energy amp Power Multimeter The ElNet LT Energy amp Power Multimeter is packed and shipped in a carton approximately 24 5 cm long X 19 cm wide X 12 and cm high Before opening the package ensure the area clean and dry
44. ystem Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel The Enter Code screen appears ENTER CODE ENTER TECH CODE pahaHAH t d Figure 4 1 Enter Password The password is 1 Use the buttons F3 amp F4 to move the cursor to set the value use buttons F1 amp F2 3 Click ENTER If the incorrect password is inserted into the Password field an Error message appears and the password should be reentered 27i CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d on amp control system Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel Supervision amp contre Tel 972 3 6474998 The Technical Menu screen appears TECHNICAL SET CLOCK SET DATE TRANSFORMER RATIO rt a TEST Figure 4 2 Technical Menu Use the buttons F3 amp F4 to move the cursor selecting NEXT will lead you to more functions that can be set by the technician 4 1 Settings for Current Voltage Transformer To set or change settings for Current Voltage Transformer See Section 4 0 for instructions to arrive at the Technical Menu 1 Scroll to Transformers ratio and select current or voltage transformer ratio to be set 2 Click ENTER 28 CONTROL APPLICATIONS Ltd Siteviwww dde co il e mail cal dde co d Supervision jntrol system Tel 972 3 6474998 Fax 972 3 6474598 24a Habarzel St Tel Aviv 69710 Israel The Current Voltage Transformer screen appea
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