EMA-D9 - Contrel elettronica
Contents
1. Z0 3 zs TEAG 21 100 0 00 and 01 02 and 03 etc up to the couple 30 and 31 These pages can be displayed only if in the instrument there is the ACCESS code supplied by CONTREL Elettronica Srl for the THD U I Li Harmonics 11409 180 0 01 180 0 Order 88 01 166 6 1 188 8 35 EMA D9 USER MANUAL 9 3 STATUS AND INFORMATION PAGES The status and or information pages include e the displaying of clock and internal calendar e the condition of internal RAM memory e the condition of digital e warnings e general info of the instrument These information are important to identify the instrument and its configuration before eventual upgrade Clock Calendar e time format hours minutes second hh mm ss e date format day month year dd mm yyyy e day of the week 01 01 2001 12 00 08 Clock amp Calendar Condition internal RAM memory 4 pages selectable with LEFT and RIGHT keys of information on condition internal RAM memory The internal memory is divided in 4 sections e storage values average powers Avg Powers Powers storage values relative minimum maximum Storage i Hin e storage values harmonic components Harmonics Storage Harmonics gt e storage values samples Samples tm aha les The page shows the following information e Status S if memo2. 2 Months Ago 2 Months Ago lt 2 Months Ago 4 2 Months Ago P1 Active P1 Reactive P2 Active P2 Reactive P3 Active P3 Reactive P4 Active P4 Reactive Energy Energy Energy Energy Energy Energy Energy Energy Year 1 YearP1 YearP2 YearP2 YearP3 4 YearP3 y 4 4 a Active Reactive Active Reactive Active Reactive Active Reactive Energy Energy Energy Energy Energy Energy Energy Energy Prev Year P1 Prev Year P144 Prev Year P2 lt gt Prev Year P2 4 Prev Year 44 Prev Year gt Prev Year Prev Year 4 Active Reactive Active Reactive Active Reactive Active Reactive Energy Energy Energy Energy Energy Energy Energy Energy 2 Years Ago 2 Years Ago 2 Years Ago 2 Years Ago 2 Years Ago 2 Years 2 Years Ago 2 Years Ago P1 Active P1 Reactive P2 Active P2 Reactive P3 Active P3 Reactive Active P4 Reactive j Total Total Total Total Total Energy P1 4 Energy P1 te Energy P2 4 Energy P2 4 Energy 4 Energy 4 Energy Energy P4 a Adive Reactive Active Reactive Active Reactive Active Reactive Min I Min 3Phase lt L1 L2 V 3 SPhase L1 1 Voltage Current Min Min Min Min Min Min 3PHAvg x 3PhPower 4 3PhVa x 3PhWatt 2 Power
3. CONFORMITY AND STANDARDS 2 TECHNICAL FEATURES 21 GENERAL SPECIFICATIONS 22 MEASURING METHOD AND ACCURACY 23 _ PROGRAMMABLE PARAMETERS SETUP SECTION 24 MEASURED VARIABLES 2 5 _ CALCULATED VARIABLES 26 MEASURING amp CALCULATION FORMULAS 3 INSTRUMENT DESCRIPTION 4 INSTALLATION 41 SAFETY 42 OPERATOR SAFETY 43 MOUNTING 5 INTERNAL BATTERY 5 1 REPLACEMENT OF THE INTERNAL BATTERY 6 CONNECTION 6 1 POWER SUPPLY 6 2 VOLTAGE INPUTS 6 3 _ CURRENT INPUTS 64 WIRING DIAGRAMS 7 INPUT OUTPUT DEVICES 7 1 STANDARD DIGITAL INPUTS 72 DIGITAL INPUTS option 7 3 STANDARD DIGITAL OUTPUTS 74 SERIAL OUTPUTS 741 85485 CONNECTION NOT SHIELDED 7 4 2 RS 485 CONNECTION SHIELDED 743 5232 CONNECTION 744 CONNECTION e O Q Ci Q M gt c 1 3 3 ah A C C N 5 O O N a T Rh C WO C C EMA D9 USER MANUAL 7 4 5 SECOND 5485 BOARD option 8 USE 8 1 FUNCTION KEYS 9 REAL TIME VALUES 9 1 VISUALIZATION TREE 9 2 VISUALIZATION MEASURES 9 3 STATUS AND INFORMATION PAGES 10 SETUP 10 1 MAIN MENU SETUP 10 2 GENERAL 10 3 SERIAL COMM 10 4 AVERAGE 10 5 ENERGY 10 6 STORAGE 10 7 DIGITAL OUTPUT 10 8 DIGITAL INPUT 10 9 ANALOG OUTPUT option available only with external module 10 10 RESET 10 11 EXIT SETUP 11 PROBLEMS AND SOLUTIONS 12 EMA SERIAL COMMUNICATION PROTOCOL 13 Notes
4. GW active power L1 P4 W kW MW GW active power L2 P W kW MW GW active power L3 Variable reading phase reactive power VAr KVAr MVAr GVAr reactive power L1 Q1 VAr MVAr GVAr reactive power L2 Q e VAr kVAr MVAr GVAr reactive power L3 Q Variable reading phase apparent power e VA KVA GVA apparent power L1 S4 e VA GVA apparent power L2 S e VA GVA apparent power L3 53 Variable reading three phase system average powers e W kW MW GW three phase system average active power gt P e VAr kVAr MVAr GVAr three phase system average reactive power gt Q e VA kVA MVA GVA three phase system average apparent power gt S Note The average power is calculated in the average time set in the setup Variable reading maximum demand Maximum total demand Variable reading maximum demand Maximum demand of the bands 32 EMA D9 USER MANUAL Variable reading phase power factor e P F power factor L1 PF e P F power factor L2 PF e P F power factor L3 PF3 Variable reading phase coso 059 L1 50 5 05 L2 0592 coso L3 Variable reading frequency and temperature e Hz Frequency L1 F4 e C Temperature T Variable reading counters The available counters are displayed Note
5. the warnings page of inversion of current transformer and phases sequence will be display automatically alternatively at the default page each time that happens an inversion General Info 4 pages to show the following information e Serial number and model e firmware version and communication protocol e memory RAM available and the option for the harmonics calculation and time bands e hardware configuration Digital analog output and the second serial port if it s installed The indication means option absent for optional with expansion module and the function of calculation harmonics and time bands These information s identify the instrument and its configuration before possible upgrade and for this reason they are very important 37 EMA D9 USER MANUAL 10 SETUP To accede in the setup pages press at the same time the LEFT and the RIGHT key The main setup menu is depicted in the following way Def Page Setup ao Enter CT General Unbalance Clock Day Light Synchronization 1 4 COM2 Setup Communication Enter Serial Comm Protocol Setu Average Setup x Enter Type Energy Se Setup Storage Setup Digital Output js Enter Type Digital Input Setup Out Index C Enter Analog Output Setup p Reset Reset Enter Mea
6. EMA D9 USER MANUAL 7 4 SERIAL OUTPUTS Through the combination of an asynchronous serial 5485 and RS232 communication line it is possible to exchange information between the instrument and PC PLC or other compatible systems All transmitted characters are in ASCII American Standard Code for Information Interchange format RS485 allows a multi drop connection in order to link up several instruments on the same network on the other hand RS232 allows a single point connection This last connection must be carried out when both systems are turned off and disconnected from the power line in order to avoid damages on the serial output RS232 may be 9 or 25 pin connection please follow up the enclosed table Signal Description DB9 DB25 EMA D9 DCD Data Carrier Detect 1 8 GND SignalGrouND 5 CTS ClearToSend 8 5 RI Ring Indicator 9 22 Warning to communicate with a PC use only one of the 2 standard serial outputs The maximum suggested length of a RS 485 connection is about 1200 mt while for a RS232 connection about 5 mt For longer distances cables with low attenuation or connection to line amplifier are recommended Up to maximum 32 units can be wired on the same serial line RS485 exceeding this number it is imperative to insert a signal repeater each repeater can manage up to 32 instruments The polling time is directly proportional to the instruments number connected on the same serial line
7. 1 Rs232 DO Digital Out DI Digital In DI Option Uaux V 09000000 0 0 00 0 L1 L2 13 51 52 51 52 51 52 1 9 10 18 19 27 Connection Table Connector Name Connector Name r 37 8232 L1 V line 1 111 15 13 3 1 Digital Output 27 5 6 8 15 106 j 43 Digital Output E _ 15 EMA D9 USER MANUAL 6 1 POWER SUPPLY The instrument doesn t work without power supply Before powering the instrument verify always to insert the right value 90 250 Vac dc standard 20 90 The instrument is equipped with an internal protection fuse on the power supply type 5x20mm dimensions 315mA 250V Fast es Schurter FSF If the instrument is off with presence of power supply it s necessary to verify the internal fuse In case of fuse replacement disconnect the instrument from the power supply current plus voltage input and all input output sections digital input output analog output RS485 RS232 serial port etc then remove the cover of lower terminal board on the left and change the fuse that is near the power supply connector in the low part of instrument Only a qualified and authorized technical person can change the fuse Extract the interrupted fuse using a screwdriver and with a plier insert the new fuse The instrument s power supply does not require
8. 4 25 26 26 26 27 29 36 38 39 40 41 42 42 45 47 48 50 51 51 52 53 53 EMA D9 USER MANUAL 1 INFORMATION 1 1 INTRODUCTION EMA D9 was engineered and tested in compliance with 348 class 1 standard for operating voltages up to 600 Vac rms considering the VDE 0110 group C isolation standards for operating voltages up to 500 Vac rms The present manual contains all of the information warnings that must be followed up by the operator to ensure a right use of the equipment and to maintain the safe operating conditions 1 2 DESCRIPTION The EMA D9 is an instrument which has been designed to monitor store and analyze all electrical variable in a distribution line All the relevant data are displayed and if desired stored on internal RAM and transmitted to a remote PC via RS485 standard on which the compatible management software has been installed It is possible to monitor via digital outputs 2 dig out standard alarms sirens or strategically factory loads EMA D9 with optional harmonic analyzes can carry out network harmonic content analyzes with FFT method up to the 31 harmonic very useful to locate network disturbances The EMA can perform accurate deep and complete energy analyzes A fundamental feature of EMA D9 is the easy way to integrate new additional options and the upgrading of the firmware using serial port and flash technology All parameters are displayed on a backlit alohanume
9. REACTIVE ENERGY THREE PHASE SYSTEM CAPACITIVE REACTIVE ENERGY Total counters and time bands are available VL1 N E Vi2 N u 2 2 142 7 Vi243 V lavg lmaxavg 2 lLimaxavg 2 u 3maxavo IN INavg INmaxavg PFs PF 5 143 COS 12 COS L3 COSo Sui 52 E S13 VA S VA 7 W Qi E Qi Qi5 VAr Q VAr Qavg Wh Wh VArh VArh TOTAL HARMONIC DISTORTION THD CURRENT AND VOLTAGE HARMONIC ANALYZES Option Analyzes up to the 31 harmonic of both voltage and current for each phase Vi cv Visi 112 90 EMA D9 USER MANUAL 2 6 MEASURING amp CALCULATION FORMULAS Phase Voltage RMS Line Current RMS Active Power Reactive Power Appearent Power Coso Power Factor Active Energy Why L 0 10 EMA D9 USER MANUAL Energy Line Voltage 3 Phase Line Voltage 3 Phase System Current 3 Phase Active Power 3 Phase Reactive Power 3 PhaseAppea rent Active Energy Reactive Energy Harmonic analyzes Cooley Tukey algorithm L12 V p3 132 V3o 3 eae 3 0 W3o 117 ro O39 Q 17 9757973 A3 Aja Wh3 Whagdt 0 oO 0 DEM N 1 X
10. any earth connection 6 2 VOLTAGE INPUTS EMA D9 can measure voltages up to a maximum 600 Vrms between phase phase further that value it is imperative to use voltage transformer When using voltage transformer make sure to respect the input and output polarities Use cables with maximum cross section of 2 5mm attach them to the voltage measurement screw terminals Connect the instrument following up the wiring diagrams described on chapter 6 4 EMA D9 was developed and tested in accordance with IEC 348 class 1 standard for operating voltages up to 600 Vac rms 6 3 CURRENT INPUTS Connect the instrument following up the wiring diagrams described on chapter 6 4 WARNING before connecting the current inputs to the terminals of the instrument are advised that the maximum allowable current input must be and not exceed 5 with screw able current input in order to avoid negligence operator must first shutdown the system and short circuit the secondary wiring of the current transformer if used and unscrews the current input terminals WARNING to prevent accidentally disconnection of the current input EMA D9 is equipped 16 EMA D9 USER MANUAL 6 4 WIRING DIAGRAMS 000000000 oooooooooQo ooooooooQ L3 51 EN 52 5 L2 x S1 52 L1 3 wires insertion 2 current transfo
11. cos 289 h n 2 n 0 for lt lt 1 0 N 04 11 EMA D9 USER MANUAL 3 INSTRUMENT DESCRIPTION The front panel of the EMA D9 is described on the following section 4 28 36 37 45 46 54 00000000 000000000 1 9 10 18 19 27 1 DISPLAY Alphanumeric LCD backlighting 2x20 characters dot pitch 0 65mm x 0 70mm dot size 0 60mm 0 65mm angle of view 35 positive visualization at low reflection 2 KEYBOARD In the Acquisition Mode the up down left and right arrows allows to skip through the measuring page of the instrument Pressing the Enter key for 3 seconds set the displayed page as default page The Enter key allows also to display the name of the page showed In the Setup Mode all the buttons are used to program the instrument 3 LOWER TERMINAL BOARD The lower terminal board is numbered from 1 to 27 from left 4 HIGHER TERMINAL BOARD The higher terminal board is numbered from 28 to 54 from left For the pin out of the terminal boards see the chapter Cap 6 12 EMA D9 USER MANUAL 4 INSTALLATION 4 1 SAFETY On receipt of the instrument and prior to installation make sure it is intact and has not been damaged during shipment Before installing make sure the operating voltage and mains voltage are compatible The instr
12. following AT is the command prefix e amp DO ignore DTR e amp 50 ignore DSR e amp CO ignore CD e amp R1 ignore RTS e 50 2 set at two as the ring number after the which the modem automatically reply the number can be different by 2 but it must be different by O e amp WO store the configuration in the register 0 of the modem 5 not volatile memory e YO set the configuration stored in the register O of the modem s not volatile memory as the default configuration at the starting or the reset of modem See the modem s user manual 7 4 5 SECOND RS485 BOARD option The second RS485 is available on option board to insert in the 09 On the second serial port there is a 5Vdc output The serial port and the 5Vdc output are at galvanic insulation from internal circuit of the 09 Warning The hardware modification of instrument will change the Setup in the default configuration 25 EMA D9 USER MANUAL 8 USE 8 1 FUNCTION KEYS UP amp DOWN KEYS The UP and DOWN keys allows to skip through the real time pages and to select the programming level or to modify values during the input in the setup menu 4 LEFT 8 RIGHT KEYS The LEFT and RIGHT keys allow to visualize the real time and programming sub pages and to move the cursor in the field of input data in the setup menu To skip from time pages menu setup it s necessary
13. of counters when it s present The counter is selected using the up and down keys and confirmed with the Enter key In the same way it s possible to choose and set the name of the counter The first item allows to set a user definition the others are names already fixed USER DEF The name of the counter is defined by the user When this item is selected a field appear to input the name of the counter To input the name it s necessary to use the right and left keys to select the type to modify while its possible to use up and down keys to change it Pressing the up key the sequence of the type is the following ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwx 2 SPACE 0123456 7 8 9 then the sequence begin from A again Naturally pressing the down key the sliding happen on the contrary kWh kWh kVArh kVArh Water Gas 49 EMA D9 USER MANUAL 10 9 ANALOG OUTPUT option available only with external module Selecting the analog output voice the following programming page appears e Out Index expresses the number of output to select which are present on the hardware of the instrument e Type allows to select the value of current output disabled O 20mA 4 20 e Measure Code is the parameter of measure to associate at the analog output e Min Max Value minimum and maximum full scale of the variable selected Measure Code Once the minimum ma
14. the EMI interferences need to connect the shield directly to a ground at one end and with a series RC network at the other end R 1000 C 33uF The max length of the stubs is 20cm 7 4 3 RS232 CONNECTION necessary to use a serial line converter because the serial output is compatible with the PC as shown on the above mentioned picture A RS232 could reach 15mt but the presence of noises in the industrial application could cause breakdown in the communication The connection from EMA serial port RS232 to PC RS232 serial is a Pin To Pin connection SIGNAL EMA D9 089 PC EMA D9 USER MANUAL 7 4 4 MODEM CONNECTION APPLICATION 4 1 RS232 prem FSI Fo Its possible to manage the supervisioning of energy consumption through remote structures as modem Ls application in order to cover big distances PRINTER 5232 5485 Transmit Data 37 Receive Data 38 Signal GrouND 39 To make the remote connection it needs to program the remote modem connected to the EMA network To program this modem the user has to use any communication program like HyperTerminal The Hayes commands to program a standard modem are the following AT amp DO amp SO amp COS amp R1 50 2 AT amp WOYO TX A RX B Ground The meaning of the commands is the
15. time bands For each period it s possible to program BAND to program the selected period BAND 2 Day defines the days of week corresponding at the selected 2 To use the LEFT and RIGHT keys to select the month and T the UP and DOWN keys to enable or disable the month The asterisk shows the month enabled St cart art Stop to program the start and the stop of the selected Hess 3 Month number from 1 to 12 defines months 1 GE January 2 February ecc of the year corresponding at the start T Meet sep 7 the end the selected period Day is a number from 1 to 31 that defines the day of the month AG corresponding at the start the end of the selected period Dau p Time 1 12 Start defines the time of the day in which the Time 1 energy counters are subdivided in the 4 time bands P1 P2 P3 Ct 3 P4 to set the time bands are available 12 different times Inside the submenus TIME it s possible to program the hour Hour and the minutes of the start of a time band the ee voice Band it s possible to program the band P1 P2 P3 or P4 where to accumulate consumptions The set band will finish when another band will start or at the end of the day For example if the energy consumptions from 8 00 to 12 00 are in the band P2 and from 1
16. time the data lost If the problem have not been solved or for other information not covered in the present manual please contact with our Technical Assistance Department Before contacting it is suggested to collect the maximum information regarding the installation and mainly the following data Model and serial number from the label on the top of the instrument housing Purchase receipt Description of problem System configuration hardware fitted firmware release etc pee ec 52 EMA D9 USER MANUAL 12 SERIAL COMMUNICATION PROTOCOL The Electrical Multifunction Analyzer EMA series are disposal with two different communication protocols e ASCII standard Contrel MODBUS RTU And two optional 5 with external module TCP IP Ethernet with external module The standard communication protocol has been optimised for the connection of the analysers with the NRG management software allowing to use all the available functions automatic search of the unit in the network automatic data downloading etc Even so the NRG software supports the MODBUS protocol About all the information of protocols communication to see specific user manual EMA SERIAL COMMUNICATION PROTOCOL 13 Notes WARNING Contrel Elettronica Srl declines all liability for any damage to people or property caused by improper or incorrect use of its products Contrel Elettronica Srl reserves the right to change pro
17. to press simultaneously both these keys To come back at real time pages to repeat the same operation if its necessary also more time to come out from the programming levels When it s possible to accede at these function two little arrows appear on the display The logic of sub pages is circular 2 ENTER key if pressed for at least 3 seconds on any of the real time pages instantaneous value pages sets current visualized page as MAIN PAGE and Vo allows also to display the name of the real page showed In the SETUP menu the ENTER key allows to enter in the setting menu or submenu in order to program and or set values and confirm the operation s DISPLAY CONTRAST It is possible to regulate the contrast of the display directly from the keyboard pressing simultaneously the UP key with the ENTER key the display will change in lighter To change the display in darker it is necessary to press simultaneously the DOWN key with the ENTER key ENTER SYSTEM ON O To reset the unit directly from the keyboard without entering in the Setup menu where from there is also possible to reset the unit through Reset gt Global chapter 10 10 operator press simultaneously 4 arrow keys after 4 seconds the complete unit will be re set 9 REAL TIME VALUES The real time pages show all the possible performe
18. 12 24 on the digital input 1 change the band from P1 to P2 and vice versa while a signal 12 24Vcc on the digital input 2 is used to synchronize the average and the average powers storing if enabled with a de bounce time of 30 seconds The digital inputs are set automatically to Ext DI if the Sync Avg is set to Ext DI or Int Ext If one of the latest programming is enabled or modified the 81 counters will be confirmation of the programming and the deleting counters will be eraser Copiere a request 48 EMA D9 USER MANUAL The visualization of the following pages depend of the choice of the digital inputs type Set Weights allows to set for each counter the weight of the pulse The value set is the number of pulse for unit of increase of the counter ex to see to increase the counter of one unit each 5 pulse it s necessary to set the value 5 Note The number of the counters depends by of the available digital inputs Digital Input Settings to set the digital input parameters Count lt gt Input define the correspondence between the index of the counter and the digital input It s necessary to set the index of the digital input to join at each counter used The counter isn t able to count if the index inserted is O Note It s possible to join the same input at more counters Counter Name allows to define the name for each counters Using the right and left keys it s possible to choose a couple
19. 2 00 to 18 00 in the band P3 its necessary to set 8 00 like start time StartHour and StartMin in TIME 1 with band P2 Type 12 00 like start time StartHour and StartMin in TIME 2 with band P3 Type and 18 00 like start time StartHour and StartMin in TIME 3 with band P1 Type in this way the P1 band will maintain until 8 00 of the day after without other programming The P1 band is the most economic while the P4 band is the most expensive 43 EMA D9 USER MANUAL HOLIDAYS possible program days year Toes which the time bands programmed not used the energy x consumption end up economic band 1 This function can be useful in holiday or in days in which the energy suppliers apply different tariff of others days Its possible to program Day Index allows to set 40 different days like holidays After the selection of index define the day of the year 2 Ll Month is the month of the day programming One number from 1 to 12 defines month 1 January 2 February Day is the day of the month corresponding the holyday from 1 to 31 Example New year s day 1 January Day index 1 Month 01 January Day 01 Christmas 25 December Day index 2 Month 12 December Day 25 The consumption of this special feature if used will be saved always into the tariff P1 44 EMA D9 U
20. 7 4 1 RS485 CONNECTION NOT SHIELDED Rt Rt j Max 32 max 1200 mt RS232 RS485 converter samana PERSON P UTER ooo 0 Tx RxCom AI Tx Rx Coni RS485 1 88232 RS485 1 885232 A A e L R M 2 EMA D9 EMA D9 Once a RS485 network has been configured to communicate between the Host computer and the instrument s EMA a serial interface converter must be wired between PC and instrument s as mentioned on the above picture In serial line over 500 mt connect a line termination resistor Rt 100Q 1200 between the two twisted pair cables leading from the converter at the end of the network last connected instrument It s recommended to use always twisted pair cable with minimum cross section of 0 36mm 22AWG and capacity less than 60 pF m BELDEN cable type EIA RS485 Ref 31054 08 EMA D9 USER MANUAL 7 4 2 RS 485 CONNECTION SHIELDED BILAI RS485 1 RS232 RS485 1 RS232 4 4 22224222 222052202 222222222 mmm te EET 00000 200000000 290000000 wm wO 09 EMA D9 Although the signal is given by the difference between A and B voltage a ground connection is needed to eliminate or to reduce the common mode noise induced into the bus To reduce
21. Carn 2797 Average A Max lt L Max Max Max 4 Thd Voltage gt Current KFactor lt gt Thd Vokage Thd Current TT K Factor 3Phase Reactive Apparent Average 5 v Powers Powers Powers Powers Demand Demand Demand P1 p2 7 4 Power Factor lt Cos Y 8 Temperature 9 Counters Y Total Energies Total Energies 19 Active Reactive A Energy Energy Energy Energy Energy Energy Energy Energy 11 Today P1 Je TodayP1 Je TodayP2 2 TodayP2 a4 TodayP3 le TodayP3 2 4 Today v Active Reactive Active Reactive Active Reactive Active Reactive j Energy Energy Energy Energy Energy Energy Energy Energy 12 Yesterday P1 la Yesterday 44 Yesterday P2 4 Yesterday P2 Yesterday 44 Yesterday Yesterday P4 4 Yesterday P4 4 v Active Reactive Active Reactive Active Reactive Active Reactive Energy Energy Energy Energy Energy Energy Energy Energy 13 2 Days Ago 2 Days Ago P1 2 Days Ago 2 gt 2 Days Ago P24 2 Days 2 Days Ago P342 Days Ago 4 2 Days Ago 4 4 v Active Reactive Active Reactive Active Reactive Active Reactive Energy Energy E
22. EMA D4 ELECTRICAL MULTIFUNCTION ANALYZER 1 1 B2 2181 Tx 18 1 128 2 1 1 1 2 2 4 6 c um ue ___85485 2 Rs485 82321 DO DIGITAL OUTPUTS DI DIGITAL INPUTS DI OPTION User Manual IM 115 U v 3 4 9 IM115 U v3 4 doc contrel elettronica srl I 26900 Lodi ITALY Via S Fereolo 9 Tel 39 0371 30207 30761 Fax 39 0371 32819 http www contrel it E mail contrel contrel it EMA D9 USER MANUAL Information this document is subject to change without notice and does not represent a commitment on the part of Contrel Elettronica Srl This documentation is consigned to the customer to enable the correct and safe operation of the instrument any other use of documentation is strictly prohibited The information contained herein is the property of Contrel Elettronica Srl law no part of it may be reproduced transcribed stored in any retrieval system or translated into any language by means even for internal purposes by the customer without the express written permission of Contrel Elettronica Srl In addition no part of this manual may be transmitted in any form by any means including photocopying and recording for any purposes without the express written permission of Contrel Elettronica Srl In case of Copyright violation the customer is directly responsible TERMS OF WARRANTY The warranty is valid for the pe
23. EVICES 7 1 STANDARD DIGITAL The 09 has 2 opt isolated inputs power supply from 12 to 24Vdc 12 24 12 24 Po B1 A1 Tx Rx Com 1 1 2 2 i 1 2 2 OQOOOOOOOQO 333008880 00000 RS485 Rs232 BO Digital Qut DI Digita In OOQOOOOOOO oeoo oooo egee2000 L1 12 13 51 52 51 52 51 52 For the digital input setup please consult chapter 10 8 If long distances must be covered the wires connected to the EMA D9 needs to be wired in a separate channel from the power supply cables if an intersection occurs between the power supply cable and the analog wires please remember to cross the intersection at 90 degrees in order to cut the generated magnetic fields 20 EMA D9 USER MANUAL 7 2 DIGITAL INPUTS option This option has 4 digital inputs After the installation of this optional board the instrument will be equipped with digital inputs 2 standards 4 optional and 2 digital outputs The common digital inputs optional 3 4 5 and 6 is the terminal C 54 If the digital inputs haven t external supply there is an internal board optional with output 0 12 In the following picture it s possible to see two example of connection 12 24 12 24 12 24 C B1 A1 Tx Rx Com 1 1 2 2 1 1 2 2 3 4 5 6 QOOOODOO0O0Q0 QOoO0oOO0O00O0Q0 RS485 Rs232 DO Digital
24. IAL COMM allows to set the communication protocol the communication parameters of serial output and the number of node or logical address of instrument To set the parameters of the RS232 RS485 standard it s necessary to see the submenu 1 while the submenu COM2 is used to program the RS485 optional The parameters programmable e Protocol can be chosen between ASCII and MODBUS e Address is the address node or logic number from 01 to 255 in MODBUS or from 01 to 128 in ASCII This number identifies the node in a network and consequently the instrument or the peripheral of a serial multidrop network This parameter is set freely This parameter is set automatically using NRG software with ASCII protocol while with MODBUS protocol it must be set 1 2 are configured by the following submenus Baud B transmission speed programmable from 1200 to 19200 bps Parity P parity sequence programmable NONE EVEN and ODD DataBit D number of data bits programmable or 8 bit Warning Use only one of the standard serial outputs to communicate with a PC the RS232 or the 5485 41 EMA D9 USER MANUAL 10 4 AVERAGE The AVERAGE menu allows the settings of parameters in the calculation of average values Three mode of use are available Int Rtc use the internal clock as time based line The average calculation start when the clock changes the minute Ext DI use the digital in
25. L3 V IL3 V IL3 V IL3 Harmonics 4 Harmonics Harmonics 4 Harmonics Harmonics Harmonics 4 Harmonics Harmonics 4 Harmonics THD Order 00 01 Order 02 03 Order 04 05 Order 06 07 Order 08 09 Order 10 11 Order 12 13 Order 14 15 V IL3 V IL3 V IL3 V IL3 V IL3 V IL3 V IL3 V IL3 Harmonics 4 Harmonics 4 Harmonics 4 Harmonics Harmonics 4 Harmonics Harmonics 4 Harmonics Order 30 31 Order 28 29 Order 26 27 Order 24 25 Order 22 23 Order 20 21 Order 18 19 Order 16 17 Clock Calendar Storage Storage Storage Storage Avg Powers 4 gt Min Max Harmonics Samples A Digital Digital Input gt Output j Warnings Warnings Battery lt gt Connection lt Info Info M o Info S N Modd lt gt FW Protocol lt Options gt Input Output i options 28 EMA D9 USER MANUAL 9 2 VISUALIZATION MEASURES The real time pages show at each change of page the name of the value displayed after 2 seconds the instrument shows the page with the measure To see another time the name of key set pages showed default page press about 3 J D r seconds the key enter and the message Default Page will display for 2 second The default page is the page displayed when the user turn on the instrument and the page displayed after 30 seconds of inactivity of keyboard Variable reading of three phase system e V kV rms three phase system
26. NPUT sets the type of acquisition None Clock Synchronization or Periods e ANALOG OUTPUT set the analog output number OUT INDEX TYPE disable 0 20mA and 4 20mA MEASURE CODE the parameter to associate at the analog output MIN and MAX lower value and higher value of the variable to associate at output current e RESET allows to make a RESET MEASURES RESET SETUP RESET STORAGE RESET COUNTER RESET MAX DEMAND and RESET GLOBAL EXIT SETUP allows the operator to exit from the main menu or setup page in order to reach the instantaneous value page Before exiting the page the instrument will question the operator if he might to save the STORAGE Setup in case one or more parameters have been modified The exit of setup will happen automatically after about one minute of inactivity keyboard exception it s selected a voice to modify All the above mentioned voices will be described on the following chapters 39 EMA D9 USER MANUAL 10 2 GENERAL It s subdivided in the following sub menu e VT allows to set the voltage transforming ratio setting the primary CT allows to set the current transforming ratio setting the primary and secondary values of the CT if it s used in order to show the measured values in primary terms Primary Range 1750004 Secondary Range 5A for EMAD9 1A is fixed to 1 Es Set Prim 200 and Sec 1 if CT used is an 200 1 and secondary values of the if it s used in order to show the
27. Out Di Digitalin DI Option 200000000 L1 12 L3 N 51 82 51 52 5152 12 24 B1 A1 Tx Rx i 1 24 2 Tr 1 2 2 3 4 5 Gt C OOOOOOOQQ QO00O000000 1 ooooooooQ RS485 Rs232 DO Digital Out DI Digital In DI Option Uaux QOOOOOOOO 228282000 A L1 L2 L3 N 5152 51 52 51 52 a EMA D9 USER MANUAL 7 3 STANDARD DIGITAL OUTPUTS The schematic of the 2 standard digital outputs PHOTOMOS of EMA D9 is represented the following figure 124260 Vac dc 12 260 Vac dc 1 1 24 2 14 1 24 2 QOO0O04QO0 QO0O0Q00 QOO0Q0Q0QO0O0QO00 Rs232 DO Digital Out DI Digital In Uaux V 200000000 0 BQ At A Li L2 L3 N 51 52 81 52 51 52 Power supply from 12 a 260 Vac dc load must not exceed 100 typical resistor value of PHOTOMOS outputs closed contact is 80 Ronmax 120 Each output may be programmed by the operator on min max threshold external band always ON or and pulse output The signs and on outputs in the picture have electric meaningless If long distances must be covered the wires connected to the EMA D9 needs to be wired separate channel from the power supply cables if an intersection occurs between the power supply cable and the analog wires please remember to cross the intersection at 90 degrees in order to cut the generated magnetic fields 22
28. Power Pau 3 3 n Max lt gt 45 lt gt Voltage L1 Voltage L2 Voltage L3 Voltage Cartent L1 Current 3 Ph Po 3 Ph Watt Vg UNS cic e lt gt 3Current gt L2 Current Watt Factor Power Power V IL1 V IL1 V IL1 V IL1 V IL1 V IL1 V IL1 V IL1 V IL1 Harmonics 4 Harmonics 4 Harmonics Harmonics 4 Harmonics Harmonics 4 Harmonics Harmonics 2 Harmonics THD Order 00 01 Order 02 03 Order 04 05 Order 06 07 Order 08 09 Order 10 11 Order 12 13 Order 14 15 V IL1 V IL1 V IL1 V IL1 V IL1 V IL1 V IL1 V IL1 Harmonics Harmonics Harmonics 4 Harmonics Harmonics 4 Harmonics Harmonics 4 Harmonics Order 30 31 Order 28 29 Order 26 27 Order 24 25 Order 22 23 Order 20 21 Order 18 19 Order 16 17 V IL2 V IL2 V IL2 V IL2 V IL2 V IL2 V IL2 V IL2 V IL2 Harmonics 4 Harmonics Harmonics Harmonics 4 Harmonics Harmonics 4 Harmonics Harmonics Harmonics THD Order 00 01 Order 02 03 Order 04 05 Order 06 07 Order 08 09 Order 10 11 Order 12 13 Order 14 15 p V I L2 V IL2 V IL2 V IL2 V IL2 V IL2 V IL2 V IL2 Harmonics 4 Harmonics 4 Harmonics 4 Harmonics Harmonics 4 Harmonics Harmonics 4 Harmonics Order 30 31 Order 28 29 Order 26 27 Order 24 25 Order 22 23 Order 20 21 Order 18 19 Order 16 17 V IL3 V IL3 V IL3 V IL3 V IL3 V I
29. SER MANUAL 10 6 STORAGE The STORAGE menu allows the programming of the data to store 4 section of storing exist relative minimums and maximums SETHE average powers 2 harmonic components od die samples only with NRG software serial command The storage is organized as FIFO first in first out type memory When the memory is full older data will be overwritten by new data MIN MAX Up to 12 MIN amp MAX parameters can be stored among the following Hinas three phase system voltage 3 phase L1 voltage V1 phase L2 voltage phase L3 voltage three phase system current 2 I line L1 current 11 line L2 current 1 2 line L3 current 13 three phase system active power gt W three phase system apparent power gt VA three phase system power factor gt PF three phase system average active power gt Wx T Enable with ON the Min Max storing is enabled while with OFF Mirela it s disabled Enahls Eate 3 Rate acquisition time This is the acquisition time of minimum and maximum values from 1 minute to 9999 minutes For example to store the 3Enables minimum and the maximum value of programmed parameters kake min each 15 minutes it s necessary to 15 T Measures parameters to store hirta It allows the selection of the measure to store in minimum and maximum values press UP k
30. Sampling frequency 45 Hz 2 280 or at 60 Hz 3 88kHz Zero self regulation Offset 0 1 second RTC REAL TIME CLOCK Accuracy 5 PPM 2 3 PROGRAMMABLE PARAMETERS SETUP SECTION VT and CT ratio Mode insertion type 4 wires 3 wires Aron Integration time of Av power Sampling frequency Address or logical number of equipment Date and time Time bands of power consumption in different periods Storage section Min max Harmonics average power and Sampling values All parameters concerning the input output section serial port analog output digital input and output Preset energy counters 8 EMA D9 USER MANUAL 2 4 MEASURED VARIABLES PHASE VOLTAGE Rms LINE CURRENT Rms FREQUENCY TEMPERATURE 2 5 CALCULATED VARIABLES LINE VOLTAGE Rms THREE PHASE SYSTEM VOLTAGE Rms THREE PHASE SYSTEM CURRENT Rms AVERAGE THREE PHASE SYSTEM CURRENT MAXIMUM AVERAGE THREE PHASE SYSTEM CURRENT AVERAGE LINE CURRENT MAXIMUM AVERAGE LINE CURRENT NEUTRAL CURRENT AVERAGE NEUTRAL CURRENT MAXIMUM AVERAGE NEUTRAL CURRENT POWER FACTOR THREE PHASE SYSTEM POWER FACTOR 5 THREE PHASE SYSTEM COS POWER THREE PHASE SYSTEM APPARENT POWER ACTIVE POWER THREE PHASE SYSTEM ACTIVE POWER REACTIVE POWER THREE PHASE SYSTEM REACTIVE POWER AVERAGE ACTIVE POWER AVERAGE REACTIVE POWER THREE PHASE SYSTEM ACTIVE ENERGY THREE PHASE SYSTEM TRANSFERRED ACTIVE ENERGY THREE PHASE SYSTEM INDUCTIVE
31. This page appears only if the digital input are set as COUNTERS The arrows appear only if there are more of two digital inputs the option board is installed and others 4 counters are available Variable reading consumption of active energy e KWh positive active energy counter kWh KWh negative active energy counter kKWh Note In the Normal way the energies are expressed in kWh in Heavy way they are expressed in MWh Variable reading consumption of reactive energy e KVArh inductive reactive energy counter kVArh e KVArh capacitive reactive energy counter kVarh EMA D9 USER MANUAL Variable reading time band energy counters 10 groups of pages to display active energy counter positive and negative and reactive capacitive and inductive divided in 4 programmable time bands P1 P2 P3 P4 The 10 pages are consumption present previous and two year before consumption present previous and and two month before consumption of today yesterday and two day before and total counter of bands In a voice of menu setup paragraph 10 5 it s possible to program times days and months in which the energy count is added at the different bands External signals connected to digital inputs and with a right programming can change the bands in the time If the energy is Heavy the values are displayed in MWh and MVArh The first visualization group of Energy Todas 1 1 mill time bands shows the energ
32. arameters taken after last reset 12 Phase doltads Date and time of reading are displayed on these pages a na 1 Its possible to see the values of these parameters MAW LAB 12 three phase system voltage e L1 phase voltage 1 e 2 phase voltage 2 L3 phase voltage three phase system current gt I L1 phase current 14 e 2 phase current lu e 3 phase current e three phase system active power gt W e three phase system apparent power gt VA e three phase system power factor gt PF e three phase system average active power gt Wa Warning If the storage in ram is disabled the minimum and the maximum displayed are absolute otherwise it s relative at the sampling period set Variable reading total harmonic distortion and harmonic components of voltage and current The instrument has 3 groups of 17 visualization pages each of the THD and harmonic components up to 317 with fundamental at 50 60Hz of the 3 voltages and 3 currents The values are displayed in percentage Every page shows the Li Harmonics LES ipn value of voltage and the current of LE same line Using UP and DOWN keys the user choose the voltage and current line page V I L1 V I L2 1 L3 Using the LEFT and RIGHT keys it s possible to display the total value and the U I Li Harmonics Ie 21 100 8 harmonic components at couple
33. d measurement of the instrument during the evolution All visualized pages may be set as main page by the operator this means that the preferred page may be set as the one to be visualized and the instrument come back at this page after 30 seconds of inactivity of keyboard To set the main page the operator shall press the ENTER key for at least 2 seconds The visualization of real time measure is a sequence of levels or groups of congruent measures voltage current power etc that it s possible to see pressing UP and DOWN keys every level is formed from a number variable of secondary pages that its possible to see pressing LEFT and RIGHT keys when these symbols 4 gt compare The following pages show the levels of measures and the relative pages 26 EMA D9 USER MANUAL 9 1 VISUALIZATION TREE 30 3 Phase 1 System LiPhase lt gt L2Phase gt L3Phase 2 Phase Voltage Line Voltage V Unbalance lt T 3 Phase Neutral Line Current Line Current 3 Line Current Curent 135
34. ds and with an environmental temperature ranging between 10 C and 50 C 13 EMA D9 USER MANUAL 5 INTERNAL To avoid to lose the setup and storing data the instrument is equipped of an internal battery CR2450 5 1 REPLACEMENT OF THE INTERNAL BATTERY Only a qualified and authorized technical person can change the internal battery This operation will delete all storing data and it will restore the default setup with the exception of the password and the code to enable the harmonics and time bands Using the software or relative serial commands it s possible to download all storing data to avoid to losing same The battery is located on the lower side of the circuit with push button OOOOo0O00000 220000000 220000000 HOLE A OQOQOQOQO QQOQOQOQOQOOOO Instruction to change internal battery 1 It s necessary to cut off the power supply of instrument and to disconnect all inputs and all outputs 2 Remove the protection cap of the instrument It s necessary to incline the protection cap from 45 to 90 respect the closing position and to pull it in the direction of the user Initially come out the left part and after the right part 3 Remove the badge spreading out the longer borders of the cage in the way to insert a flat screwdriver between the border and the badge and to lever up 4 necessary to pay attention to presence of residual vol
35. duct specifications without prior notice 53 09 USER MANUAL contrell elettronica srl 1 26900 Lodi ITALY 5 Fereolo 9 Tel 39 0371 30207 30761 Fax 39 0371 32819 http www contrel it E mail contrel contrel it 54
36. eading of line current e A kA rms current L1 l4 e A kA rms current L2 15 e A kA rms current L3 13 Variable reading of three phase current e kA rms three phase system current 21 e A kA rms average three phase system current 214 e A kA rms maximum average three phase system current X Imaxav Note The average current is calculated in the average time set in the setup Variable reading of neutral current e A kA rms neutral current In e kA rms average neutral current e kA rms maximum average neutral current X Inmaxav Note The neutral current values will be showed only if the insertion type is 4 wires The average current is calculated in the average time set in the setup Variable reading average line current e A rms average current L1 lav e A rms average current L2 lava e rms average current L3 las Note The average current is calculated in the average time set in the setup Variable reading maximum average current e A rms maximum average current L1 phase limaxay e A kA rms maximum average current L2 phase l2maxav e A rms maximum average current L3 phase Note The maximum average current is calculated in the average time set in the setup Variable reading of unbalance current e percentage of unbalance of phase current lun 30 EMA D9 USER MANUAL Variable reading o
37. ed or enabled _ 2 Clock Sync Synchronization of the internal clock When the Tarei Hot impulse arrives on digital input the internal clocks seconds counter is cleared if it s between 00 29 while if it s between 30 and 59 it s cleared and the minutes counter go on the next minute Example 17 31 23 hh mm ss will be 17 31 00 08 45 55 hh mm ss will be 08 46 00 Periods to change the bands for the energy counter with time bands The following table shows the time band selected depending of the status of digital inputs DIGITAL INPUT 2 DIGITAL INPUT 1 BAND SELECTED OPEN OPEN OPEN CLOSED CLOSED OPEN CLOSED CLOSED CLOSED there is a voltage from 12Vcc and 24Vcc OPEN the voltage is OVcc The change of band happens when the instrument recognizes a change of status on one of digital input at least At the moment of the digital inputs enabling like Periods and at the EMA s turn on with the enabling already set the energy counters increment continue on the last band enabled independently of the digital inputs status until the change of the minute of the internal clock or the change of the status of one of digital input Counters the generic counters are enabled When an input receives a pulse the counter joined at this input is increased by the value that depends of the weight set Ext DI the function depends of the Sync Avg set in the menu AVERAGE 10 4 If Sync Avg is Int Rtc a signal
38. essary to give the serial number and the option s to enable at Contrel Elettronica Srl that will send you the access code corresponding Synchronization is the definition of the synchronization of fundamental frequency Sync Mode internal or external 1 Sync Freq programmable frequency value range 5 500 2 Clock sets the internal clock of the instrument with relative date The format of the date is dd mm yy The format of the time is hh mm ss Day Light is possible to enable the time shift of the summer time and the return at the solar time at the fixed data The instrument manages the summer time from the 1997 to the 2030 40 EMA D9 USER MANUAL e V Unbalance allows to calculate the voltage unbalance between the line voltage or phase voltage e Password it s possible to set a numeric password to modify the SETUP The default password is 0000 the setup can be always opened and it s always possible to change any parameter If the password is different by 0000 from 0001 to 9999 at the entrance of setup the password will be request if the password is ignored it will be possible to see every parameter but it will be impossible to modify it Only with the correct password it s possible to change every parameter To set the new password as 0000 the instrument come back at default status Call the constructor to have an emergency password if you lose the password 10 3 SERIAL COMM The setup SER
39. ey to enable DOWN key to 4 disable the variable selected from RIGHT and LEFT keys If there 1 5 asterisk the selected measure is enabled Warning the storing of minimum and maximum values is enabled the values shows in the relative page are updated at the same acquisition time set for the storing in memory Minimum and maximum values are not absolute any more 45 EMA D9 USER MANUAL e Average Power If any of the above mentioned parameters has been enabled for storage by exiting the setup menu a brief message will appear asking at the operator to erase all the previous stored data in the Storing of average active and reactive power Enable it s possible to enable or disable the storing The sampling time is fixed by Time Avg default 15 minutes Harmonics Up to the 31 harmonics are stored for each line both of voltage and current channels Enable the user may enable or disable the storing of harmonic values The sampling time is fixed at 15 minutes and it s not modifiable Trigger Enable the operator may enable or disable the Trigger function If Enable is OFF the enabled archives store the measures with the relative rate all of time If Enable is ON the enabled archives store the measures with the relative rate only after the receiving pulse on digital input 2 012 The storing will be active for the set time in Time If there is no enabled archives the trigger function
40. f THD voltage e Thd total harmonic distortion of voltage L1 phase e Thd total harmonic distortion of voltage L2 phase Thd e Thd total harmonic distortion of voltage L3 phase Thd Variable reading of THD current e Thd total harmonic distortion of current L1 phase e Thd total harmonic distortion of current L2 phase Thd e Thd total harmonic distortion of current L3 phase Thd Variable reading K Factor e Factor L1 phase e Factor L2 phase e K Factor L3 phase Variable reading of maximum THD voltage e maximum total harmonic distortion of voltage L1 phase e maximum total harmonic distortion of voltage L2 phase Thd2max e maximum total harmonic distortion of voltage L3 phase Thd3max Variable reading of maximum THD current e maximum total harmonic distortion of current L1 phase Thdimax e maximum total harmonic distortion of current L2 phase e maximum total harmonic distortion of current L3 phase Thd3max Variable reading of maximum K Factor e maximum K Factor L1 phase e maximum K Factor L2 phase e maximum K Factor L3 phase 31 EMA D9 USER MANUAL Variable reading three phase system powers e W kW MW GW three phase system active power XP e VAr kVAr MVAr GVAr three phase system reactive power VA GVA three phase system apparent power XS Variable reading phase active power W kW MW
41. has no effect Time defines when the storing time is active With a logic level 1 voltage present on the digital input 2 DI2 the timer relative to Time will be reset and the storing enabled Only when the signal go down the counting starts The range is 1 9999 minutes and the default value is 60 minutes memory in order to enable a new recording campaign at empty memory with no residual information s The storage is organized as FIFO first in first out type memory When the memory is full older data will be overwritten by new data The data downloaded on PC using NRG software or communication protocol does not come deleted and for this reason it s possible to recover them using the function of communication protocol 46 EMA D9 USER MANUAL 10 7 DIGITAL OUTPUT The digital outputs can be programmed to function like alarm overload load management for consumption optimization etc or pulses emission for energy calculation or remote activation using software NRG e Out Index expresses the number of output from 1 to 6 DO1 and DO2 standard to select or program which are present on the hardware of the instrument Vx SETUP OUTPOT Index tIndex Bl allows to select of functioning Always Off digital output is always disabled Ture Always DPF Energy Pulse pulse emission proportional at energy registered and depending the progra
42. he digital inputs 1116 and the digital outputs 01 06 The indication means input or output absent for optional I O with expansion module Warnings To see warnings are available 2 pages The first page shows the situation of internal battery If the voltage level of internal battery is lower of 2 3V on display will appear Battery Charge LOW otherwise Battery Charge This page will be displayed independently of the voice of menu Setup General Warnings when the voltage level is lower of 2 3V Warning If the charge of the internal battery is lower than 2 3V the instrument will loose all data stored minimums and maximums energy counters and data of setup in the internal RAM or in the memory expansion The second page shows the situation of insertion of instrument regarding the connection of current transformer in the current input and the phase sequence for the voltage input If at least one of current transformer is inverted the display shows TA WARNING otherwise If the sequence of phases at voltage inputs is inverted will appear Ph Seq WARNING otherwise Ph Seq The message Ph Seq No Info appear during the elaboration to establish the phases sequence The information on phase appear only if the three phase system voltage is higher of 10V otherwise the display shows Low voltage No Info If the voice of menu Setup General Warnings is Yes
43. ies of nei 11 1 Ph LI today Pressing the RIGHT key the VENUE em instrument will display the reactive energy page of the P1 band of Dii dI SOR today The second visualization group of Energa Vestercdau Energ Vestercda time bands shows the energies 51 Archive Reactive yesterday displayed after previous group pressing the UP key The third visualization group of time Energa 2 Rao Energa 2 Rao bands shows the energies of two el p ie gt days before It s displayed after the previous group pressing the UP key ie p Energa Month Energa Month time bands shows energies of 21 Boetius amp Fl gt this month It s displayed after the previous group pressing the UP key The fifth visualization group of Fema Prev Month Energa Prev Month time bands shows the energies of p 1 previous month displayed after the previous group pressing the UP key The sixth visualization group of time Ago Energy zhonths Age bands shows the energies of two si Eek in p Reach ive months before It s displayed after the previous group pressing the UP key The seventh visualization group of Vea Epepg vea time bands shows the energies of E Bel Anting Fl Reactive this year Its disp
44. layed after the previous group pressing the UP key The eighth visualization group of Enea F Enea From time bands shows the energies of E 1 Artine p Reactive previous year displayed after the previous group pressing the UP key The ninth visualization group of time Timeo FE Synge bands shows the energies of two 21 Artig amp pl c years before It s displayed after the previous group pressing the UP key 34 EMA D9 USER MANUAL The tenth visualization group time bands shows the total time band energy counters Its displayed after the previous group pressing the UP key Total Energies IB Total Energies IB Fl Active NPI Fesstiue Pressing repeatedly the RIGHT key in all the group it s possible to display the active and reactive energy pages of the other bands P2 P3 and P4 Using the LEFT key it s possible to see another time the previous pages All of these pages Tutte queste pagine relative alla Timebands sono visibili solo se inserito il codice di abilitazione ACCESS relativo alle Timebands e fornito da Contrel Elettronica Srl Variable reading MIN amp MAX values 12 pages selected by LEFT RIGHT keys show minimum of a B value of 12 parameters taken after last reset Phase Voltage gt E 12 pages selected by LEFT and RIGHT keys show maximum of the value of 12 p
45. ld modify the setup SERIAL COMM includes the settings of the COMMUNICATION PROTOCOL the ADDRESS logical number node or address COM1 serial 1 integrated RS485 and RS232 2 serial port 2 expansion board RS485 e AVERAGE includes the settings of SYNC AVG synchronism of average calculate TYPE fixed or mobile window TIME AVG integration time to calculate the average value and DT MOBILE sliding time of mobile window e ENERGY includes the TYPE setting to have the energy counters expressed in kWh or in MWh PRESET to set at initial value the total energy counters or the generic counters and TIMEBANDS with all parameters for the power consumption in different periods e STORAGE includes the settings of MIN MAX min max storing AVERAGE POWER average of active and reactive power consumption HARMONICS harmonic storing up to the 31 order for both current and voltage for each line and TRIGGER the storage start from a pulse on digital input DIGITAL OUTPUT sets the OUT INDEX number of digital output TYPE type of alarm always off energy pulse min threshold max threshold external band always on MEASURE CODE the parameter to associate to the digital output VALUE the value to set as threshold or pulse BAND TYPE INFVALUE SUPVALUE lower value and higher value for alarm of external band TIME delay time by enabling the digital output or duration of impulse HYSTERESIS DIGITAL I
46. ltaneously the RIGHT amp LEFT button one or more time depending of the branch in which you are 51 EMA D9 USER MANUAL 11 5 AND SOLUTIONS If you have a problem setting up or using your instrument you may be able to solve it yourself Before calling your retailer or nearest distributor you should try the suggested actions that are appropriate to your problem Problem Possible cause Suggested The instrument doesn t turn on The power supply is Verify the connection and the disconnected or wrong presence of power supply he internal fuse is interrupted See the chap cap 6 1 to verify and or to change the internal fuse The display is completely dark Contrast badly adjusted Adjust contrast as described or clear on 8 1 The instrument doesn t Communication wires Verify the correct wiring communicate with the NRG Communication protocol Verify that the communication software or other Wiring system and protocol of the instrument communication software communication parameters coincides with the one used in the sw Verify the wiring type RS232 or RS485 and the settings of the serial port of the instrument The instrument communicates Use shielded wires with the PC but the Lack of terminations Connect terminations as par communication is interrupted 7 4 1 and 7 4 2 The instrument loses the CODE E prom lost data to again to input another or the PASSWORD
47. measured values in primary terms Primary Range 1 400000V Secondary Range 1 750 Es Set Pri 20000 and Sec 100 if the VT used is an 20000 100V Mode concerns the operation or measuring mode it is possible to select 4 wires 3 wires and Aron following connection mode as described on chapter 6 4 Warnings enables Yes or disables No the visualization every 15 second of the warnings page alternatively at default page if current transformer connection is wrong or there is inversion of the phase sequence The condition of battery low will appear independently of the definition of this voice Measure Time is the filter time in the visualization measure The range is 0 50 The 0 value indicates none average on the measures others values indicates the average time in seconds If this value is very big and the average powers storing is active the values stored could be wrong It s better to set a value less than 5 seconds Def Page Time is the time of wait before to come back to default page Range 10 900 seconds B Light is the time from 0 to 360 seconds in which the display remains on after keyboard s inactivity To hold the display always on to set value O Access allows to input code 6 digits to enable calculation end the visualization of the harmonics and or the time bands The access code depends from the serial number and the options to enable Every time it s possible to enable this code it s nec
48. mming used valid only for Energies Min Threshold the output is enabled if the value of the selected variable is lower of the programmed value Max Threshold the output is enabled if the value of the selected variable is higher of the programmed value Band the output is enabled if the value of the selected variable is lower of the programmed minimum value or higher of the programmed maximum value Always On digital output is always enabled digital output as pulse emission it s necessary to select an energy variable 4e e Value intervention threshold value i e for overcoming 340V program 340 0 or 150kW program 150000 0 or pulse weight i e uz Measure Code oe If the active positive energy pulses must emitted every 1 kWh Uslue DU n program 1 00 programmable from 0 01 to 100 kWh pulse Band Tre Inf Sur Inf Sup Value low limit high limit of alarm band E Time is the threshold delay for intervention expressed in second 0 655 seconds or duration time of Pulse expressed in milliseconds 50 500 ms Hysteresis it s the percentage of alarm s value under which the alarm come back in off condition its programmable from 0 to 99 ex max threshold of active power at 150kW with 10 m GAREA HEISEI Time Huzienezilz Time Be Hast Measure Code is the parameter of measure to associate o
49. n the digital output To program the x hysteresis means the alarm come back in off condition when the active power will be 150 15 135kW It s not available in Pulse mode IND Note digital output management for P F cos 09 08 07 06 05 04 03 02 01 0 Min threshold In the and cose the absolute minimum is considered the O capacitive and the absolute 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 CAP IND maximum the 0 inductive 1 09 08 07 06 05 04 03 02 01 O0 Max threshold To set an alarm when the cos is less than 2 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 e g 0 9 inductive the direction of IND inductive it s necessary to set MAX threshold D Band mode Instead of this to set an alarm when is more than e g 0 9 inductive in the direction of 0 capacitive it s necessary to set on o MIN threshold mode In BAND mode there will 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 CAP be alarm when the cos value will be extern to the set band infvalue supvalue the infvalue must be the value nearest at the 0 capacitive 47 EMA D9 USER MANUAL 10 8 DIGITAL INPUT In the DIGITAL INPUT menu it s possible to program the digital input function for both standards options niGrTOL IHPLHIT The 2 standards digital input can be programmed how follow Type defines the type of operation Tupe Not used if none input is select
50. nergy Energy Energy Energy Energy Energy 14 Month P1 MonthP1 le MonthP2 4 MonthP2 4 MonthP3 Moth 4 MonthP4 4 MonthP4 a v Reactive Active Reactive Active Reactive Active Reactive Energy Energy Energy Energy Energy Energy Energy Energy 15 Prev Month Prev Month P14 Prev Month P244 Prev Month P24 Prev Month P344 Prev Month Prev Month P4 gt Prev Month P Reactive Active Reactive Active Reactive Active Reactive 16 options Note displayed only if the Digital Input is set as COUNTER 27 EMA D9 USER MANUAL 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 15 ella e a le el b PIN Energy Energy Energy Energy Energy Energy Energy Energy 2 Months Ago 4 2 Months Ago gt 2 Months Ago 2 Months Ago
51. opt isolated inputs 1000V 12 24Vcc option Output signals 2 photomos outputs 12 260 Vca cc 100mA max series Memory data retention RAM 128 KB useful 50KB 1 Mbyte all useful option No volatile memory data using internal battery Data retention 5 years typical at 25 C 77 F Stored variables Average power Min max values Harmonics option Energy Samples Display interface Alphanumeric LCD 2x20 characters at high contrast adjustable and with led backlight Keyboard interface 5 functional keys for paging and programming 6 EMA D9 USER MANUAL Operating temperature From 10 C 14 F to 50 C 122 F Storage temperature From 15 C 5 F to 70 C 158 F Operating humidity 90 not condensing Protection standards IP 42 front EN60529 IP 20 behind Weight and dimension 0 5 kg app equipped with 2 digital outputs 2 digital inputs RS485 and RS232 Memory 128Kbytes 9 module 17 5mm case for mounting on DIN 35mm section iron OOOOOOOOO ooooooooo va 90 00000000 000000000 27 EMA D9 USER MANUAL 2 2 MEASURING METHOD AND ACCURACY Measuring range 30 500Hz Measuring method 64 sampling per period for V1 and 11 V2 and 12 and 13 Measuring interval 0 1 second Instrument accuracy Voltage 0 5 96 Current 0 5 96 Power lt 1 96 Energy 1 96 Power Factor lt 1 96
52. put 2 012 to synchronize the start and the stop of the average calculation The digital input will be set as ExtDI automatically nt Ext mixed mode The digital input will be set as ExtDI automatically Warning the Sync Avg setting must be congruent with the Type setting of the digital inputs e Type defines the type of the window used to the average calculation fixed iis updating depends of the Average time or mobile the updating depends of dt Mobile Ve e Time Avg integration time for the calculation of the average parameters e dt Mobile defines the updating time in window mobile of the average parameters 10 5 ENERGY In the ENERGY menu its possible to modify the unit of measurement of energies to set at the initial value the generic and energy counters to manage on the time bands e Type allows to choose the unit of measurement for the energy counter kWh Normal or MWh Heavy e PRESET allows to set at initial value the energy counters and generic counters kWh kWh e kVArh kVArh its possible to set energy total counters at initial value These values are expressed in kWh and kVArh the visualization on total energies page will be congruent with the type of energy Normal or Heavy The time bands counters don t consider the preset values Only total energy counters consider these values This function is useful for example to compare the consumption with an ene
53. rgy counter already in use COUNTER1 COUNTER2 its possible to set the 8 generic counters at initial value The number of the counters depends by the number of digital inputs installed and it will appear in groups of two counters for each pages 42 EMA D9 USER MANUAL TIMEBANDS it s possible to subdivide the energy consumption TIMERS 12 time bands In this way it s possible to value the energy costs where energy suppliers apply the time band tariff or it s necessary to divide the consumption in different period To program the time bands function to accede at the TIMEBANDS menu with the following sub menu Update day sets the day in which change the month in the time bands range 0 31 If the value is 0 from the last day of each 21 month the energy is increased in the counter of the next month If the value is between 1 and 15 from day fixed the energy is increased in the counter of the actual month before of this value ieciate Das Bl the energy is increased in the previous month If the value is Period ID 81 between 16 and 31 from the day fixed the energy is increased in the counter of the next month before of this value the energy is increased in the actual month If the actual month has fewer days than the value fixed the energy will be increased into the next month counter from the last day of the month Period period number 15 periods to set different
54. ric LCD display of 2x20 characters Displaying and programming mode are carried out by means of a 5 buttons keyboard 1 3 CE CONFORMITY AND STANDARDS The instrument was tested in compliance with EMC 89 336 EEC and complies with the following standards EMISSIONS EN 50081 1 1992 EN 55022 CLASS B CISPR 22 IMMUNITY EN 50082 1 light industry 1992 IEC 1010 2 1036 1 1 EMA D9 USER MANUAL 2 TECHNICAL FEATURES 2 1 GENERAL SPECIFICATIONS Power supply Auxiliary voltage 90 250V 50 60 Hz cc 20 60 V 50 60 Hz cc option Isolation voltage 3 00 Vac rms x 1 minute Voltage input 3 inputs range 10 600Vrms between phase phase Over voltage up to 750 Vac permanent beyond this value it is imperative to use voltage transformers Over voltage category III fixed installation Pollution degree 2 normally not conductive temporary conductive for condensation Resistor input 22 MO Burden 0 2 VA Current input 09 Model EMA D9 1A 3 isolated inputs internal CT range 10mA 5A rms 4mA 1A rms 10A 100A for 1 second 2A 10A for 1 second Consumption typical 6VA max full optional Serial output RS485 RS232 configurable on board half duplex isolated signals Tx Rx Gnd Programmable baud rate from 1 200 to 19 200 bps Protocols ASCII and Modbus Second serial output RS485 isolated optional Input signals 2 passive opt isolated inputs 1000V 12 24 4 passive
55. riod of twelve months after material receipt The warranty covers free repair or replacement of equipment parts which are recognized as faulty due to manufacturing defects Warranty does not cover those parts which results defective due to misuse or improper use incorrect installation or maintenance operation by unauthorized personnel damage during transportation or which in any case do not show manufacturing defects of the equipment Not included in the warranty terms are technical interventions regarding equipment installation to electrical systems The manufacturer declines any responsibility for eventual injury or damage to persons animals or things as result of failure to follow the instructions in the user manual or caused by improper use of equipment Warranty covers equipment returned ex works The expenses of transport as well as the relative risks of same both to and from the place of repair will be the sole responsibility of the user This warranty expires after the date of purchase and any assistance required after said date including spare parts labour transport of personnel and material will be charged to the user following the tariffs in force for Technical Assistance Service at the time of such requested service In any case the replacement of the equipment as well as the extension of warranty after such breakdown is excluded EMA D9 USER MANUAL INDEX 1 MAIN INFORMATION 11 INTRODUCTION 1 2 DESCRIPTION 1 3
56. rmers t 020002000 2 09 L1 L2 L3 27 511 52 ES pint 12 lt 518 52 L1 e piii 3 wires insertion 2 current transformers and 2 voltage transformers 14 7 EMA D9 USER MANUAL 000000000 oooooocooQ oooooocooQ Mam n EMA D9 0909000000 3 N L3 L2 L1 LOAD 4 wires insertion 3 current transformers and 3 voltage transformers 00000000 ooooooooQ 09 n 51 52 13 e L2 a lt sim 52 L1 P4 P2 4 wires insertion 3 current transformers 18 EMA D9 USER MANUAL ooooooooQ eooooooooQ oooooooQoQ 09 O900090000 L1 27 OQ OOOOOO 1 51 mm 52 ES mm 1 2 a L2 lt sim 52 L1 P1 P2 4 wires insertion 3 current trnsformers and 2 voltage transformers 000000000 ooooooooQ ooooooooQ OQ OOOOOO 1 11 12 13 27 sim 52 1 2 LOAD L1 Single fase insertion 1 current transformer 19 EMA D9 USER MANUAL 7 INPUT OUTPUT D
57. ry enabled or Off if memory disabled e Record Rec number of stored events in memory Memory Kb e Used U dynamic memory expressed in Kb which is used by data already stored record stored e Free F dynamic memory expressed in Kb which is free to store data Used amp Free memory are working together blocks of memory are transferred from Free memory to Used memory in order to store the values on the RAM of the instrument Initially the available memory will be totally free but at own exhaustion it will be totally used These information are very important to avoid to delete stored data to choose how to storage the data on the basis of available memory The storage is organized as FIFO first in first out type memory When the memory is full older data will be overwritten by new data The data downloaded on PC using NRG software or communication protocol does not come deleted and for this reason it s possible to recover them using the function of communication protocol Uff Rec Dono Warning If of the above mentioned parameters has been enabled for storage by exiting the setup menu a brief message will appear asking the operator to erase all the previous stored data in the memory in order to enable a new recording campaign at empty memory with no residual information 36 EMA D9 USER MANUAL Digital 2 pages show the status ON enabled and OFF disabled of t
58. sures Y Setup Exit Using the LEFT and the RIGHT keys to select each main setup page To enter in the first sub page to press the ENTER key in every above mentioned pages and using the LEFT and RIGHT key it s possible to see the sub pages To enter the page with there are the parameters to set it s necessary to press in each sub page the ENTER key another time possible to select every voice using LEFT RIGHT UP and DOWN keys depending the situation The selected voice is indicated from the arrow 2 To modify the selected voice press ENTER key If the voice is a numeric field the first digit starts to flash Use the UP and DOWN keys to modify this digit or use LEFT and RIGHT key to change the digit selected If the voice belong at a group of voices near the voice selected will appear one or two arrows it s necessary to press the DOWN key to select others choices 15 necessary to press the UP key to select others choices Password Address Time Avg Dt Mobile Preset Timebands Storage Storage Storage Min Max Storage Enter Se Average Power Harmonics Trigger Out Index Type Measure Code Band Type Time Enter Hysteresis Value Inf Sup Value Set Weights Digital Input Settings 1 Measure Code Min Max Value Reset Storage Reset Max Reset Global Reset Setup Demand C Enter gt it s possible to press both
59. tage inside the instrument Don t touch any other component different from the battery circuit 5 Using a pipe spanner 5 5mm unscrew 4 nuts showed in the picture 6 Unthread the boards with push button to pull it in the direction of user It s better to insert a plier in the 2 holes A and B of the board 7 There are 2 solutions change only the battery or all of board To change the battery it s necessary to unsolder the uncharged battery and to solder the new battery to pay attention to both operations To change the board contact Contrel Elettronica Srl to see the availability in the storehouse 8 The new circuit or the old with the new battery come inserted inside the instrument Look in the 2 holes A and B to verify the correct linked between the 8 pin strips with the 2 relative supports 9 To screw the 4 nuts 10 Apply the badge To insert in a slanting direction the short side of the badge in the left part then to lower and to press the badge on the right side 11 To insert the protection cap in the hole of right and inclining it in the same way indicated at the point 2 to poke in its seat 12 Restore all the connection and turn on the instrument 13 In the Warnings page is possible to check the condition of battery BATTERY OK 14 EMA D9 USER MANUAL 6 CONNECTION 5V B2 A2 B1 A1 Tx Rx Com 1 1 2 2 1 1 2 2 3 4 5 6 OOOQQQQOQOQ 909 9 0 0920 OQQOQQOQOQOQOO 2 RS485
60. the UP key and the DOWN key to select others choices To confirm the programming use the ENTER key The last modification will be stored in the memory up to the new reset of system Warning If the charge of the internal battery is very low when the instrument is off it will loose the setup configuration Warning The instrument will loose the setup if it find some modification of hardware insertion or exclusion expansion module when it is turning on Press at the same time the LEFT and the RIGHT key to exit from setup page All of the time that these keys are pressed the instrument will exit from the present page and it will pass at the following level higher of setup In the first level its possible to select the EXIT page and pressing ENTER to exit from setup 38 EMA D9 USER MANUAL 10 1 5 The pages the first level of setup following e GENERAL includes the settings of TV voltage ratio CT current ratio MODE 4 wires 3 wires Aron WARNINGS battery low and TA and phase inversions MEASURE TIME time constant the measures filter DEF PAGE TIME waiting time before to come back to default page B LIGHT Backlit on display timing ACCESS code to enable option function like harmonics and or time bands SYNC frequency synchronization CLOCK clock settings DAYLIGHT to enable summer time UNBALANCE and PASSWORD pin code to avoid that not authorized person cou
61. ument power supply must not be earthed The instrument is equipped with a fuse on the power supply type 5x20mm 315mA 250V Fast es Schurter FSF Always disconnect the instrument from all power sources before opening it for maintenance a or repairs The instrument s capacitor may still be charged even after it has been disconnected from all power sources Maintenance and or repairs must only be carried out by qualified and authorized personnel If in any doubt about the instrument s safety take it out of service and implement the necessary procedures to prevent its inadvertent use e Instrument operation is no longer safe A when the instrument shows clear signs of damage B when the instrument does not work C after long storage in extreme conditions D after serious damage during shipment 4 2 OPERATOR SAFETY Carefully read the following pages before installing and using the purchased instrument Maintenance and or repairs must only be carried out by qualified and authorized personnel To ensure proper and safe use of the instrument and its correct maintenance and or repairs authorized personnel must follow normal safety procedures at all times SYMBOLS READ CAREFULLY THE INSTRUCTIONS 4 3 MOUNTING The instrument is suitable for mounting on DIN 35mm section iron For the connection the instrument has suitable screw terminal boards Suggested is to install the equipment on vibration free switchboar
62. voltage gt e kA rms three phase system current 2 1 W kW MW GW three phase system active power gt W e PF three phase system power factor gt PF L inductive C capacitive Variable reading of phase 11 e V kV rms voltage between L1 phase and neutral e A kA rms current L1 l4 W kW MW GW active power L1 PF power factor L1 L inductive capacitive Variable reading of phase L2 e V kV rms voltage between L2 phase and neutral V e kA rms current L2 l2 W kW MW GW active power L2 PF power factor L2 PF L inductive C capacitive Variable reading of phase L3 e V kV RMS voltage between L3 phase and neutral V e A kA RMS current L3 ls W kW MW GW active power L3 W PF power factor L3 L inductive C capacitive Variable reading of phase voltage e V kV rms voltage between L1 and 12 V 2 e V kV rms voltage between L2 and L3 V2 3 e V kV rms voltage between L3 and L1 V3 1 Variable reading of line voltage e V kV rms voltage L1 V e V kV rms voltage L2 V2 e V kV rms voltage L3 V Variable reading of unbalance voltage e percentage of unbalance of phase or line voltage Note in the setup it s possible to choose the visualization of the unbalance voltage of phase or line 29 EMA D9 USER MANUAL Variable r
63. ximum full scale has been programmed instrument automatically will associate respectively the minimum current value 0 or 4 mA and the maximum current value 20 mA If the minimum end scale value is lower of maximum end scale value the out of current will be directly proportional at variable set otherwise it will be inversely proportional Minimum and maximum can be negative value 50 EMA D9 USER MANUAL 10 10 RESET The Reset page allows to cancel some operation or the complete operation of the setup system reset modes are classified in four groups Reset Measures reset of all measures or selected groups of measures Reset reset all of measures minimum and maximum energy counter time bands Reset Min Max reset minimums and maximums TimeBands reset time bands Total TB reset total Time Bands counters Energies reset total energy counters Counters reset generic counters Reset Storage delete all data stored in the memory e Reset Setup delete all definition in the setup and the instrument come back to default setup e Reset Max Demand delete all values of maximum demand e Reset Global reset complete of the instrument Setup measures stored RAM 10 11 EXIT SETUP The last voice of the setup menu is EXIT SETUP which allows the operator to leave the instrument setup and go back to the REAL TIME VISUALIZATION PAGES Operator may also exit the setup by pressing simu
Download Pdf Manuals
Related Search