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User Manual - Contrel elettronica

1. 9 Li 9 i I L2 0 di L36 N SI mm S2 a LI lt x PI P2 l E Single fase insertion 1 current transformer L1 a E Simus lt L3 o N Pi P2 da 4 wires insertion 3 current trnsformers and 2 voltage transformers 18 14 USER MANUAL T PLUG IN MODULE INSERTION See the following picture to insert the plug in module It s only possible to see the two slots shown in the picture when the rear door is removed To remove the rear door it s necessary to act in the zone indicated of the arrow on the retention lever The first slot is used to insert the option board of the digital input digital output analog output and serial port a 6DI 6 digital inputs b 201 2 2 digital inputs 2 digital outputs c 4DO 4 digital outputs d 2AO 2 analog outputs e 4AO 4 analog outputs f COM2 1 serial port The second slot is used only for the option memory MEM Ram 1Mbyte AN Warning if you insert the option board in the wrong slot you can damage the instrument Warning when the option boards are plugged or unplagged the setup is lost and the default backup comes back 19 14 USER MANUAL 7 1 INSERTION PROCEDURE Only a qualified and authorized technical person can insert the plug in module Follow this procedure to operate in the maximum security Cut off the p
2. Following the picture below mentioned insert the instrument from the front side of the switchboard from behind insert black support guide on the screw of the instrument once the black support guide fits on the screw and is pushed against the instrument and the internal panel screw the nut until the instrument is fixed on the panel 2 2 2 e 2 2 SS There are n 4 support guides and n 4 nuts to mount the instrument 144 138 138 ALL iN R3 4 4 14 14 USER MANUAL 5 INTERNAL BATTERY To avoid to lose the setup and all 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 NRG or relative serial commands it s possible to download all storing data to avoid to losing same The next figure shows where is located the battery inside the instrument Extractible Pin strip Conctat Batter Battery Instruction to change the 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 seal from t
3. 40 b II 0 LJ lt L B Ex ES DIC sa mi Pa EEE ke L Lid I ame i NEM ee ni 7 IC mies mi LI Er 1 NM 1 AL EMA14 USER MANUAL 11 2 SERIAL COMM un 7n CI e PROTOCOL can be chosen between ASCII and MODBUS 1 7 1 M BA I COM the serial COM1 page allows to program the communication parameters Baud transmission speed programmable 1200 2400 4800 9600 19200 Parity parity sequence programmable NONE EVEN and ODD N E O DataBit number of data bits programmable 7 or 8 bit 7 8 Note Default 9600 baud parity N DataBit 8 Type type of serial output to manage COM1 configurable as RS485 or RS232 COM2 the serial COM2 page allows to program the communication parameters Baud transmission speed programmable 1200 2400 4800 9600 19200 Parity parity sequence programmable NONE EVEN and ODD N E O DataBit number of data bits programmable 7 or 8 bit 7 8 Note Default 9600 baud parity N DataBit 8 SERE ues posa ea J P type of serial output to manage 1 configurable as 5485 or RS232 Note Don t use COM2 port to send the setup from NRG
4. The power supply is Verify the connection and the disconnected or wrong presence of power supply The internal fuse is interrupted See the chap cap 6 1 to verify and or to change the internal fuse 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 Not shielded wires Use shielded wires with the PC but the Lack of terminations Connect terminations as par communication is interrupted 8 4 1 and 8 4 2 The instrument loses the CODE E prom lost data to try again to input another or the PASSWORD 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 ct 50 EMA14 USER MANUAL 15
5. DI Z N IT N m Lt I 1 EN i HH I a LEE a RUI IE LU H zug cL E E id gt TEN 0 i CO Jt i LL P Tec us 14 USER MANUAL Variable reading of line reactive power VAr KVAr MVAr GVAr reactive power L1 Q1 VAr kVAr MVAr GVAr reactive power L2 Q VAr kVAr MVAr GVAr reactive power L3 Qs Note If the reactive power is capacitive the first digit of its visualization will be the minus sign Variable reading of line apparent power VA kVA MVA GVA apparent power L1 S4 VA kVA MVA GVA apparent power L2 Sp VA KVA MVA GVA apparent power L3 Sg Variable reading of three phase system average power W KW MW GW average active power X Py VAr kVAr MVAr GVAr average reactive power gt Qay Note The average power is calculated in average time T A VG set in setup menu Variable reading of three phase system maximum power W KW MW GW maximum active power XP max VA kVA GVA maximum apparent power S max Note The maximum value is only link at the positive active power Variable reading total harmonic distortion of voltage 96 percentage value of voltage phase L1 distortion index 96V 96 percentage value
6. Its possible to program 15 periods programmable on 4 bands P1 P2 P3 P4 It s possible to program the start and the stop for each period the days of the week and the holiday to display the active energy counters positive and negative and the reactive energy counters inductive and capacitive in 10 groups today yesterday two days ago this month previous month two month ago this year previous year two years ago and total counters of band ANALYSIS OF THE HARMONICS COMPONENTS OF VOLTAGE AND CURRENT Measure with the possibility of storage and alarms of harmonics components of voltage and current up to 31 order with fundamental at 50 60Hz Visualization of each phase in numeric or graphic form VISUALIZZATION MAXIMUM AND MINUMUM VALUES Possibility to display the minimum and the maximum value of 12 parameters and the date and the time in which the storage is happened If the storage in ram is disabled the minimum and the maximum displayed are absolute otherwise it s relative at the sampling period set DATA STORAGE Programming and downloading of measures including the storage in the time of maximum and minimum samples average power harmonics components and samples 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 reco
7. V3 and 13 Measuring interval 0 1 second Instrument accuracy Voltage 0 5 Current lt 0 5 Power 1 Energy 1 Power Factor 1 96 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 Mode insertion type 4 wires 3 wires Aron VT and CT ratio Integration time of Av power Sampling frequency Address or logical number of equipment Date and time All parameters concerning the input output section serial port analog output digital input and output Preset energy counters ONLY USING SERIAL OUTPUT Time bands of the power consumption in different periods Storage section Min max Harmonics average power and samples 14 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 COSe THREE PHASE SYSTEM COSo APPARENT POWER THREE PHASE SYSTEM APPARENT POWER ACTIVE POWER THREE PHASE SYSTEM ACTIVE POWER REACTIVE POWER THREE PHASE SYSTEM REA
8. 11 3 DIGITAL OUTPUT 11 4 DIGITAL INPUT 11 5 ANALOG OUTPUT OPTION 11 6 PRESET ENERGY COUNTERS 11 7 CODE AND PASSWORD 11 8 RESET 12 Function and measures available only by serial port with software NRG 13 VARIABLES measure codes 14 PROBLEMS AND SOLUTIONS 15 EMA SERIAL COMMUNICATION PROTOCOL 16 Notes 4 24 24 24 25 26 26 27 27 28 29 30 30 30 31 32 36 38 39 41 42 43 44 45 45 46 47 48 50 51 51 14 USER MANUAL 1 MAIN INFORMATION 1 1 INTRODUCTION EMA14 was engineered and tested in compliance with IEC 348 class 1 standards 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 EMA14 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 EMA14 with optional harmonic analyzes can carry out network harmonic content analyzes with FFT me
9. EMA SERIAL COMMUNICATION PROTOCOL The Electrical Multifunction Analyzer EMA series are disposal with two different communication protocols e ASCII standard Contrel MODBUS RTU and two optionals PROFIBUS with external module e 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 16 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 product specifications without prior notice 51 14 USER MANUAL contrel elettronica srl 1 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 52
10. ENTER KEY ENTER key if pressed for at least 3 seconds on any of the real time pages instantaneous value pages sets the current visualized page as MAIN PAGE ENTER In the SETUP menu the ENTER key allows to enter in the setting menu to program and or to set values and confirm the operation s c i e SYSTEM RESET C A 2 To reset the unit directly from the keyboard without entering in the Setup N 2 menu where from there it is also possible to reset the unit through Reset Global on chapter 11 8 operator may press simultaneously the 4 arrow 2 5 J keys after 2 seconds the complete unit will be re set 10 REAL TIME VALUES The real time pages show all the possible performed measurement of the instrument during the evolution 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 To set the main page the operator shall press the ENTER key for at least 2 seconds until on display will not compare the page showed beside The main page compare at the starting and 30 second after the visualization of another page Note The display usually shows the measure Pressing the display will show the unit of measurement of the values displayed The visualization of real time measure is a sequence of pages that it s possible to see pressing UP and DOWN keys 30 14 USER MANUAL 10 1 VISUALIZATION TREE 3 phase sy
11. 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 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 N READ CAREFULLY THE CONTAINED INSTRUCTIONS 13 14 USER MANUAL 4 3 MOUNTING The unit needs to be installed on front panel of mains control switchboards wiring and connections must be carried out following the EMC Electro Magnetic Compatibility procedures Plug in screw terminal blocks are used for appropriate wiring There is a security locking on the current inputs terminal block Suggested is to install the equipment on vibration free switchboards and with an environmental temperature ranging between 10 and 50 The panel cut out of the unit is the following CEO emu ete 144
12. POSITON SLOT 2 DISCONNECTION PROCEDURE Only a qualified and authorized technical person can insert the plug in module Follow this procedure to operate in the maximum security Cut off the power supply of instrument and disconnect all inputs and all outputs Remove the seal from the rear door Open and remove the rear door It s necessary to proceed with a lot of accuracy without touching other components because there are residual voltages Push slightly the two hooks situated on sides in the external direction using a screwdriver The module should be disconnected and inclined of 30 in the down direction Extract the plug in module Close the instrument with the rear door 20 14 USER MANUAL 8 INPUT OUTPUT DEVICES 8 1 STANDARD DIGITAL INPUTS The EMA14 has 2 opt isolated inputs power supply from 12 to 24Vdc 1 12 24 Vdc 12 24 Vdc 14 For the digital inputs setup please consult the chapter 11 4 If long distances must be covered the wires connected to the EMA14 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 21 14 USER MANUAL 8 2 STANDARD DIGITAL OUTPUTS The schematic of the 2 standard digital outputs PHOTOMOS of EMA14 is represented on the foll
13. POWER 154 PHASE L2 APPARENT POWER 155 PHASE L3 APPARENT POWER 160 THREE PHASE SYSTEM ACTIVE POWER 161 PHASE L1 ACTIVE POWER 162 PHASE L2 ACTIVE POWER 163 PHASE L3 ACTIVE POWER 168 THREE PHASE SYSTEM REACTIVE POWER 48 EMA14 USER MANUAL 169 170 171 176 177 178 179 180 182 183 184 185 186 187 188 189 190 191 193 194 195 196 197 198 PHASE L1 REACTIVE POWER PHASE L2 REACTIVE POWER PHASE L3 REACTIVE POWER THREE PHASE SYSTEM ACTIVE ENERGY acquired THREE PHASE SYSTEM REACTIVE ENERGY inductive THREE PHASE SYSTEM ACTIVE ENERGY transferred THREE PHASE SYSTEM REACTIVE ENERGY capacitive FREQUENCY THD Vu Total Harmonic Distortion 96 THD V Total Harmonic Distortion 96 THD Va Total Harmonic Distortion 96 AVERAGE THREE PHASE SYSTEM ACTIVE POWER AVERAGE THREE PHASE SYSTEM CURRENT AVERAGE THREE PHASE REACTIVE POWER INTERNAL TEMPERATURE AVERAGE L1 PHASE CURRENT AVERAGE L2 PHASE CURRENT AVERAGE L3 PHASE CURRENT AVERAGE NEUTRAL CURRENT VOLTAGE UNBALANCE CURRENT UNBALANCE K FACTOR L1 PHASE K FACTOR L2 PHASE K FACTOR L3 PHASE 49 14 USER MANUAL 14 PROBLEMS 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
14. active power 3 phase system average reactive power 3 phase system maximum active power 3 phase maximum apparent power THD 1 THD V L2 THD VL3 THD IL1 THD I L2 THD I L3 K Factor L1 K Factor L2 K Factor L3 Frequency L1 Temperature 3 phase system positive active energy 3 phase system negative active energy 3 phase system inductive reactive energy 3 phase system capacitive reactive energy Enabling harmonics and or timebands 31 14 USER MANUAL 10 2 MEASURES VISUALIZATION All the time that the pages change the display shows the variables measured and after about 2 seconds on display appears the real time values To see another time the name of page to press the Enter key Variable reading of three phase system V kV RMS three phase system voltage gt Vi A KA RMS three phase system current XI PF three phase system power factor Note If the load is capacitive the first digit of PF visualization will be the minus sign A e D B i a a HU al 1 a m 1 Uu M Variable reading of three phase system power W kV MW GW three phase system active power P VAr kVAr MVAr GVAr three phase system reactive power 70 VA kVA MVA GVA three phase system apparent power S Note If the active power is negative the first digit of its visualization will be the minus sign I
15. 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 i e BELDEN cable type EIA RS485 Ref 3105A 26 14 USER MANUAL 8 4 5485 CONNECTION SHIELDED won A RS232 RS485 4 gt converter B V a TX L RX il 14 14 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 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 334F The max length of the stubs is 20cm 8 4 3 5232 CONNECTION LTX RX COM EMA 14 If a RS232 communication line is shorter of 5 mt and a multidrop network will not use it s not n
16. consumption of acquired active energy kWh MWh active positive energy counter Wh Note the energy counter is compound of 8 digit 4 on the first line and 4 on the second Example Reading UU IE SHOH 18540 4 Kwh The other counters function in the some way Variable reading consumption of transferred active energy kWh MWh negative active energy counter Wh C3 C3 wl l JE E l Variable reading consumption of inductive reactive energy kVArh MVArh inductive reactive energy counter VArh SISI m Ca ex Variable reading consumption of capacitive reactive energy kVArh MVArh capacitive reactive energy counter VArh E 22 em PRE C Ss 35 14 USER MANUAL 10 3 STATUS AND INFORMATION PAGES Reading date Visualization of date of today YYYY MM DD year month day Note The first time it s necessary to input the date afterwards the date will be updated by internal clock Reading time Visualization of the present time HH MM SS hour minutes seconds Note The first time it s necessary to input the time afterwards the time will be updated by internal clock Reading serial number Visualization of the serial number of the instrument Note The serial number identifies the instrument and it will be the same of the label on the instrument Reading firmware version
17. 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 2 14 USER MANUAL 1 1 1 1 2 1 3 2 2 1 2 2 2 3 2 4 2 5 2 6 3 4 4 1 4 2 4 3 5 5 1 6 6 1 6 2 6 3 6 4 7 7 1 7 2 8 8 1 8 2 8 3 INDEX MAIN INFORMATION INTRODUCTION DESCRIPTION CE CONFORMITY AND STANDARDS TECHNICAL FEATURES GENERAL SPECIFICA
18. neutral current ln KA maximum average neutral current I Note This page compare only the set insertion is 4 wires see par 6 4 Variable reading of average line current A KA rms average current L1 l A KA rms average current L2 l2 A KA rms average current L3 ls Variable reading of maximum average line current A kA rms maximum average current L1 l4 A kA rms maximum average current L2 l2 A kA rms maximum average current L3 1 Variable reading of line power factor P F power factor L1 PF P F power factor L2 PF P F power factor L3 PF Note If the power factor is capacitive the first digit of its visualization will be the minus sign Variable reading of line coso coso fase L1 cos cose coso fase L2 coso cose coso fase L3 Note If the coso is capacitive the first digit of its visualization will be the minus sign Variable reading of line active power W KW MW GW active power L1 P4 W kW MW GW active power L2 PX W KW MW GW active power L3 Note If the active power is negative the first digit of its visualization will be the minus sign 33 Mai mi ii __ O 1M II gl 1 JI TA isa 8 Co Ca gt 1 DC 1 cue Li DI Ci TI CI 71 _ P C1
19. of voltage phase L2 distortion index 96 percentage value of voltage phase L3 distortion index V3 Note This function is enabled only of the instrument type H To see harmonic components up to 31 order it s necessary to use NRG software or the relative serial commands Variable reading total harmonic distortion of current 96 percentage value of current phase L1 distortion index 9614 96 percentage value of current phase L2 distortion index 961 96 percentage value of current phase L3 distortion index 96l Note This function is enabled only of the instrument type H To see harmonic components up to 31 order it s necessary to use software or the relative serial commands Variable reading K factor of phase K factor phase L1 KF K factor phase L2 KF K factor phase L3 KF 34 mum U c e i 22 Mis 1 IZ My 1 71 ES I ZI FI mi A 184 en om Ly I C11 Di RM LN ae ry f c lt en 2 2 5 ir n E esee 14 USER MANUAL Variable reading frequency and temperature Hz Frequency L1 F C Temperature T Note The temperature sensor is inside the instrument and it measures the temperature near the instrument Variable reading
20. set the type of current insertion at the instrument in the way that the instrument can calculate the neutral current 4WIR or the third current ARON Selecting 3WIR and ARON the neutral current page will not displayed The Warnings page allows to set with YES the automatic visualization of sequence phase or TA inversion when one or both the conditions happened In this case the relative page will be displayed in alternative of default page till when the cause does CAOR ni not disappear Setting NO to verify the phase sequence or the TA inversion it s ING I necessary to see the relative pages using UP and DOWN keys The page of nim z status of battery will be displayed independently from this setting but when the level of charge is lower of 2 3V the way to change it immediately VTP allows to set the primary voltage transformer value if the VT is used to display the primary voltage Range 1 400000V VTS allows to set the secondary voltage transformer value if the VT is used to display the primary voltage Range 1 750V Ex If the VT used is a 20000 100V it s necessary to set VTP 20000 and VTS 100 CTP allows to set the primary current transformer if the CT is used to display the primary current Range 1 5000A CTS allows to set the secondary current transformer if the CT is used to display the primary current Range 1 or 5A for EMA14 1A is fixed to 1 Ex If the CT used is a
21. 0 0 99999999 DO2 TIME Delay Pulse 000 999 DO2 HYST Percentage hysteresis 00 99 D03 DO4 pages with 2DI 2DO option lt gt lt r gt P gt 003 006 pages with 4DO option Inp Mode data of digital input Off Sync Band A01 AO2 pages with 2AO option 1 4 pages with 4AO option KWh Preset positive active energy counter 0000000 0 9999999 9 KWh Preset negative active energy counter 0000000 0 9999999 9 KVArhl Preset inductive reactive energy counter 0000000 0 9999999 9 KVArhC Preset capacitive reactive energy counter 0000000 0 9999999 9 CODE Code to enable harmonics and or timebands 000000 999999 PASSWORD Code to access tol setup 000079999 RES MAX Reset maximum and minimum values No Yes RES ENER Reset energy counters No Yes RES SET Reset setup No Yes RES UNIT Total reset No Yes AO1Pages AO1 MODE signal type of Analog Output 1 Off 0 20 4 20 AO1 VAR variable of analog output 1 1287257 MIN Minimum value 0000000 0 9999999 9 MAX Maximum value 0000000 0 9999999 9 To remember to confirm the input output or the programming with the enter key The last modify will be stored in the memory up to the next reset If the memory is uncharged or it is removed and the instrument is off the storing data will be lost 38 14 USER MANUAL 11 1 MAIN MENU SETUP The page 3 Ph Meas allows to
22. 1 5 Meas TIME filter time for measure visualization 0 50 D PAG TIMEe time of default page visualization 10 900 AVG integration time 1 2 3 5 6 10 12 15 20 30 60 AVG TYPE type of window in average calculation fixed mobilel DT MOB Sliding time of window mobile 10 20 30 1 2 3 5 6 10 12 15 20 30 607 SYNC TYPE sincronization frequency internal external SYNC FREQ value of the sincronization frequency 005 0 500 0 V UNB Unbalance voltage Vin V NRG TYPE KW o MW Normal Heavy DATE data of today YYYY MM DD 1998 01 01 2234 12 31 TIME present time HH MM SS PROTOCOL ASCII Modbus COM 1 serial output 1 Baud rate 1200 2400 4800 9600 19 200 E Data Bit ASCII 7 8 Modbus 8 Parity E O N COM 1 TYPE type of serial RS232 RS485 COM 2 serial output 2 Baud rate 1200 2400 4800 9600 19 200 Data Bit ASCII 7 8 Modbus 8 Parity E O N COM 2 TYPE type of serial RS232 RS485 COM Node logic address of the instrument 01 128 ASCII 01 256 Modbus DO1 VAR variable of digital output 1 128 257 DO1 MODE Off Puls Min Max Band On DO1 Value of contro l 0000000 0 99999999 DO1 TIME Delay Pulse 000 999 DO1 HYST Percentage hysteresis 00 99 DO2 VAR variable of digital output 2 128 257 DO2 MODE Off Puls Min Max Band On DO2 Value of contro 000000
23. 2 set at two as the ring number after the which the modem automatically reply the number be different by 2 but it must be different by O e amp WO store the configuration in the register 0 of the modem s not volatile memory e YO set the configuration stored in the register 0 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 28 14 USER MANUAL 8 4 5 OPTION RS485 RS232 COM2 PLUG IN OOOO ON OFF Modem Personal Computer 5485 RS232 gt x 1211109 8 76 5 4 o o Warning The hardware modification of instrument will change the Setup the default configuration 29 14 USER MANUAL 9 USE 9 1 FUNCTION KEYS UP amp DOWN KEYS lt A gt The UP and DOWN keys allows to skip through the real time pages and to gt AE select the programming level or to modify values during the input in the setup menu VA N e LEFT amp RIGHT KEYS The LEFT and RIGHT keys allow to change the selected digit during a N programming To skip from real time pages and to go in the menu setup it s necessary to press simultaneously both these keys To come back at real time pages to repeat the same operation
24. 200 1 it s necessary to set CTP 200 and CTS 1 MEAS 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 L LI c Li lm d LJ 0 Pd D PAG TIME is the time of wait before to come back to default page Range 10 900 seconds 1 T AVG is the integration time expressed in minutes for calculating the average values es average power 39 14 USER MANUAL AVG TYPE defines the type of the window used to the average calculation fixed the updating depends of the Average time or mobile the updating depends of dt Mobile DT MOB defines the updating time in window mobile of the average parameters SYNC TYPE is the definition of the synchronization of fundamental frequency Type external EXT or internal INT SYNC FREQ is the definition of the synchronization of fundamental frequency V UNB allows to calculate the voltage unbalance between the line voltage VLL or phase voltage VLN NRG TYPE to set the type of energy normal NORM KW or heavy HEAV MW DATE to program the date of today After first programming the date will be updated automatically by internal clock TIME to program the present time After first programming the time will be updated automatically by internal clock
25. 32 configurable on board half duplex isolated signals Tx Rx Gnd Programmable baud rate from 1 200 to 19 200 bps Protocol ASCII or Modbus are standard Input signals 2 passive opt isolated inputs 1000 V 12 24 Vdc up to 8 using options Output signals 2 photomos outputs 12 230 Vac dc 150mA max up to 6 using options 2 0 20 or 4 20 mA analog outputs galvanic insulation option Memory data retention RAM 128 KB useful 50KB 1 Mbytes 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 Samples Display interface Red LED 14 segments 3 rows 4 digit 13mm Keyboard interface 5 functional keys for paging and programming 14 USER MANUAL Operating temperature From 10 C 14 F to 50 C 122 Storage temperature From 15 C 5 F to 70 C 158 F Operating humidity 90 not condensing Protection standards IP 52 front EN60529 IP65 with gasket on request IP 20 screw and terminals Weight and dimension 0 430 kg app equipped with 2 digital outputs 2 digital inputs RS485 and RS232 Memory 128Kbytes 144x144x66 mm 144 126 134 66 J EMA14 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
26. 340V program 340 0 or 150kW program 150000 0 or pulse weight i e if the active positive energy pulses must be emitted every 1 kWh program 1 00 programmable from 0 01 to 100 kVVh pulse If the user selects the Band will appear before the MIN page lower limit and after the confirmation with the Enter key of the value set the display will show the MAX page higher limit The message NO VAL will appear if the VAR set is not a valid value ES 1 IT a 106 9 Car CI CI Il r TIME is the threshold delay for intervention expressed in second 0 655 seconds or duration time of Pulse expressed in milliseconds 50 500 ms HYST it s the percentage of alarm s value under which the alarm comes back in off condition it s programmable from to 9996 For the digital output 2 DO2 are available the same parameters VAR variables MODE VALUE TIME HYST The same parameters of the DO1 and DO2 are available to program the digital outputs 3 4 5 and 6 003 DO4 DO5 and DO6 to use with the option boards 3 Iz n T7 P n V pL al M EM 42 EMA14 USER MANUAL 11 4 DIGITAL INPUT The instrument has 2 digital inputs INP MODE defines the type of operation INDI Off if none input is selected or enabled LIN Sync to synchronize the internal clock with the external instruments l1 H When the
27. 3V on display will appear Batt LOW otherwise Battery IN The internal battery needs to hold the setup and all storing data If you remove it or its charge is lower of the 2 3V and the instruments off it s possible to lose all storing data Note This page will be displayed independently of the Warnings when the voltage level is lower of 2 3V Reading state of harmonics and time bands Visualization state of harmonics and or time bands If it s the H instrument both harmonics and time band are enabled the display shows YES If it s the L instrument both harmonics and time band are disabled the display shows NO I m E o a me n _ E NI g l Note It s possible to enable harmonics time bands after the purchase To make this it s necessary to give the serial number and the option s to enable at Contrel Elettronica Srl that will send the access code corresponding at the instrument and the option s selected to input at the voice CODE in the setup 37 EMA14 USER MANUAL 11 SETUP The pages of the setup are 3 Ph Meas type of current insertion 4 wires 3 wires Aron Warnings enable automatic warnings No Yes VTP primary voltage transformer 1 400000 VTS secondary voltage transformer 1 750 CTP primary current transformer 1 5000 CTS secondary current transformer
28. CTIVE POWER AVERAGE ACTIVE POWER AVERAGE REACTIVE POWER THREE PHASE SYSTEM ACTIVE ENERGY THREE PHASE SYSTEM TRANSFERRED ACTIVE ENERGY THREE PHASE SYSTEM INDUCTIVE REACTIVE ENERGY THREE PHASE SYSTEM CAPACITIVE REACTIVE ENERGY VLAN E Vi2 N Via N la 12 li FL Hz 142 Vi243 Visi V lavg I maxavg IL1avg IL2avo lL3avg ILamaxavg lLomaxavg lL3maxavg In INavg Nmaxavg PFiz PFs PF COS L1 COS 12 COS L3 COS Su S2 Sis VA S VA Pu P2 W W Qu Qi VAr Q VAr Pave W Qavc VAr Wh Wh VArh VArh Total counters and time bands are available only via serial communication TOTAL HARMONIC DISTORTION THD CURRENT AND VOLTAGE HARMONIC ANALYZES Option and only via serial communication Analyzes up to the 31 harmonic of both voltage and current for each phase VL1 N Vian ls liz li 96 14 USER MANUAL 2 6 MEASURING amp CALCULATION FORMULAS Phase Voltage RMS Line Current RMS Active Power Reactive Power Appearent Power ALi Viin I Liy Wr up epe m rer Power Factor P Li Li 4 Li oo Active Energy Why jw Lf 0 10 14 USER MANUAL Reactive Energy Line Voltage 3 Phase Line Voltage 3 Phase System Current 3 Phase Active Power 3 Phase Reactive Power 3 PhaseAppearent Active Energy Reactive Energy Harmonic analyzes Cooley Tukey a
29. EMAIL ELECTRICAL MULTIFUNCTION ANALYZER User Manual IM 131 U v 4 1 EMA14 IM131 U v4 1 doc contrel elettronica srl 1 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 14 USER MANUAL Information in 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 and by 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 period 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
30. TIONS MEASURING METHOD AND ACCURACY PROGRAMMABLE PARAMETERS SETUP SECTION MEASURED VARIABLES CALCULATED VARIABLES MEASURING amp CALCULATION FORMULAS INSTRUMENT DESCRIPTION INSTALLATION SAFETY OPERATOR SAFETY MOUNTING INTERNAL BATTERY REPLACEMENT OF THE INTERNAL BATTERY CONNECTION POWER SUPPLY VOLTAGE INPUTS CURRENT INPUTS WIRING DIAGRAMS PLUG IN MODULE INSERTION INSERTION PROCEDURE DISCONNECTION PROCEDURE INPUT OUTPUT DEVICES STANDARD DIGITAL INPUTS STANDARD DIGITAL OUTPUTS INPUT OUTPUT OPTIONS PLUG IN MODULE 8 3 1 6 DIGITAL INPUTS OPTION 6DI PLUG IN 8 3 2 2 DIGITAL INPUTS 2 DIGITAL OUTPUTS OPTION 2DI 2DO PLUG IN 0 O CI VI N N N NO gt c N Aa a O O O N O a Ff OOO NO 23 23 14 USER MANUAL 8 3 3 4 STATIC DIGITAL OUTPUTS OPTION 4DO PLUG IN 8 3 4 4 RELAY DIGITAL OUTPUTS OPTION 4DO PLUG IN 8 3 5 2 ANALOG OUTPUTS OPTION 2A0 PLUG IN 8 3 6 4 ANALOG OUTPUTS OPTION 4A0 PLUG IN 8 4 SERIAL OUTPUTS 8 4 1 RS485 CONNECTION NOT SHIELDED 8 4 2 RS485 CONNECTION SHIELDED 8 4 RS232 CONNECTION 8 4 4 MODEM CONNECTION 8 4 5 OPTION RS485 RS232 COM2 PLUG IN 9 USE 9 1 FUNCTION KEYS 10 REAL TIME VALUES 10 1 VISUALIZATION TREE 10 2 MEASURES VISUALIZATION 10 3 STATUS AND INFORMATION PAGES 11 SETUP 11 1 MENU SETUP 11 2 SERIAL COMM
31. Visualization of the firmware version of the instrument Reading phase sequence Visualization of the voltage phase sequence If the sequence of voltage phase is ok on display will compare L1 L2 L3 at contrary L1 L3 L2 If the voltage phase are not connected or the input voltage is lower of 10V or during this calculation on display will compare PHAS NO INFO pep Sal n c 5 CAI Izal a ES nee Note This page appears automatically if the instrument notices an inversion phase but only if the warning is enabled in the setup menu Yes If the inversion remains on display will appear this page alternatively at the default page 36 EMA14 USER MANUAL Reading insertion current transformer Visualization of the status of current transformer If the connection of the TA is ok on display will appear 1 OK 2 OK 3 OK at contrary the inversion phase will be indicated example 1 OK 2 INV 3 OK If current inputs are opened or during this calculation on display will appear TA NO INFO Note This page appears automatically if the instrument notices an inversion phase but only if the warning is enabled in the setup menu Yes If the inversion remain on display will appear this page alternatively at the default page Reading charge of the battery Visualization the charge of battery If the voltage level of internal battery is lower of 2
32. ecessary 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 port is a PTP Pin To Pin connection SIGNAL EMA14 DB9 PC 27 14 USER MANUAL 8 4 4 MODEM CONNECTION MODEM APPLICATION m PHONE LINE Ri Fav m lt gt RSz32 1 R45 lt gt 8 It s possible to manage the supervisioning of energy consumption through remote structures as modem LS application in order to cover big distances d PRINTER Signal EMA 14 modem DB25 modem DB9 TX Transmit Data 1 2 3 RX Receive Data 2 3 2 Ground Signal GrouND 3 T 5 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 CO amp R1 50 2 AT amp WOYO The meaning of the commands is the following AT is the command prefix e amp DO ignore e amp SO ignore DSR e amp CO ignore CD e amp R1 ignore RTS e S07
33. f the reactive power is capacitive the first digit of its visualization will be the minus sign iI Dp i sol ocior Ci P tJ N Variable reading of line voltage V kV rms voltage L1 V4 V kV rms voltage L2 V V kV rms voltage L3 V3 BERE ty Li ap eet I i E NN 1 Variable reading of phase voltage V KV rms voltage between L1 and L2 V1 2 V kV rms voltage between L2 and L3 V2 3 V kV rms voltage between L3 and L1 V3 1 LI 16 m Lu Lu c 1 LJ cd Variable reading of line or phase voltage unbalance and line current unbalance percentage of line or voltage unbalance Vunb percentage of current unbalance lunb Note only one of the voltage unbalance defined in setup is displayed Variable reading of line current A kA rms current L1 l4 A kA rms current L2 l2 A kA rms current L3 5 HU LI T 1 4 A ames iil tl CO 1 32 14 USER MANUAL Variable reading of three phase current A KA rms three phase system current 51 A KA rms average three phase system current lay A kA rms maximum average three phase system current X Imaxav Variable reading of neutral current A kA neutral current I A kA average
34. he rear door 3 Open and remove the rear door 4 It s necessary to pay attention to presence of residual voltage inside the instrument Extract the battery circuit without touching any other component 5 Change the battery Put the positive pole in the upper direction 6 Plug in the circuit with the new battery in the upper directions inside the instrument The 4 pin strip must meet with their relative support 7 Mount the rear door again end close it Restore all the connection and turn on the instrument 8 In the Warnings page is possible to check the condition of battery BATTERY OK 15 14 USER MANUAL 6 CONNECTION tA PUN Uo A Aux1 Aux2 Connection Table Connector Name connector Name TX A ser output 2 Digital Input 908 set output 8 2 Digital Input COM ser output 10 4 Digital Output A __ 12 1 Digital Output B 2 Digital Output A 2 Digital Output B e 6 1 POWER SUPPLY The instrument doesn t work without power supply Before powering the instrument verify always to insert the right value 85 265 Vac dc standard 20 60 Vac dc OPTION 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 interna
35. impulse arrives on digital input the internal clocks seconds counter is LI UL cleared if it s between 00 and 29 while if it s between 30 and 59 it s cleared and the B minutes counter go on the next minute eu Band to change the bands for the energy counter in the 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 P2 CLOSED OPEN P3 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 Band 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 Note only using the software NRG it s possible to program and to read the time bands 43 14 USER MANUAL 11 5 ANALOG OUTPUT OPTION The analog pages are always presents but only if the hardware is mounted the function is activated MODE Off output disabled 0 20 output enabled type 0 20 mA 4 20 output enabled type 4 20 mA VAR is the number of measure to associate from 128 to 257 expressed in decimals at
36. ink 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 EMA14 DCD Data Carrier Detect 1 8 RX Receive Data TX Transmit Data DTR Data Terminal Ready 4 20 GND Signal GrouND 5 DSR_ DataSetReady 6 6 RTS jRequestToSend 7 4 CTS Clear To Send Eu ec RI Ring Indicator pou 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 8 4 1 RS485 CONNECTION NOT SHIELDED Rt Rt RS232 RS485 converter Max 32 EMA max 1200 mt ft DE Ir Rx __ COM EMA 14 EMA 14 Once a RS485 network has been configured to communicate between the Host
37. ital inputs 2 digital outputs 201 2 C 4 static digital outputs 400 d 4relay digital outputs 4DO e 2analog outputs 2AO f 4 analog outputs 4AO Warning The hardware modification of instrument will change the Setup in the default configuration The next picture shows the option board position and the terminal block numeration 121110 9 8 7 6 5 4 8 3 1 6 DIGITAL INPUTS OPTION 6DI PLUG IN After the installation of this optional board the instrument will be equipped with 8 digital inputs 2 standards 6 optional and 2 digital outputs This module has an output 0 12Vcc usable like power supply for digital inputs The following table shows the pin out of this plug in module 1 INPUT 3 7 INPUT 7 2 INPUTS3 and4 3 INPUT4 4 INPUT5 n E 5 INPUTS5 and6 6 INPUT6 8 3 2 2 DIGITAL INPUTS 2 DIGITAL OUTPUTS OPTION 201 200 PLUG IN After the installation of this optional board the instrument will have 4 digital inputs and 4 digital outputs See in the following table the pin out of this plug in module RE i INPUT 3 INPUT 3 E E OUTPUT 3 a EE 6 OUTPUT 4 OUTPUT 4 po INPUT 4 INPUT 4 23 14 USER MANUAL 8 3 3 4 STATIC DIGITAL OUTPUTS OPTION 4DO PLUG IN The option has 4 static digital outputs The instrument will manage 2 digital inputs and 6 digital outputs all static s The pin out i
38. l 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 open the rear door 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 pliers insert the new fuse The instrument s power supply does not require any earth connection 16 14 USER MANUAL 6 2 VOLTAGE INPUTS EMA14 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 EMA14 was developed and tested in accordance with IEC 348 class 1 standards 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 5A WARNING to prevent accidentally disconnection of the curren
39. lgorithm N 1 2 hi cos n 0 for 0 lt k lt N 1 V L2 V 193 132 V3o 3 PLAT ppd ps 3 03 01170103 Apa Aga Wh3 Wh3gdt 0 oO nk NFL 2mk J gt sn n 0 N 64 11 14 USER MANUAL 3 INSTRUMENT DESCRIPTION The front panel of the 14 is described on the following section EMA 14 control 1 DISPLAY Red LED 14 segments 3 rows x 4 digit 13mm 2 KEYBOARD In the Acquisition Mode the up and down arrows allows to skip through the measuring page of the instrument while in the Setup Mode all the buttons including Enter key allows to program the instrument 12 14 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 instrument 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
40. mo 14 USER MANUAL 11 6 PRESET ENERGY COUNTERS Its possible to set energy counters at initial value This function is useful for example to compare the consumption with an energy counter already in use The time bands counters don t consider the preset values Only total energy counters consider these values It s possible to set the following counter m lt z mx Preset positive active energy counter Cao E C3 CI p ry A aca Preset negative active energy counter g c3 Ga 3 LI C m C Preset Inductive reactive energy counter p o Jn M 081 57 Preset capacitive reactive energy counter T En ami CIC 11 7 CODE AND PASSWORD CODE allows to input a code of 6 digits to enable the calculation end the visualization of the harmonics and or the time bands These options are both enabled if its an H instrument the code is on a report These options are disabled if it s an L instrument but one or both can be enabled To make this it s necessary to give the serial number and the option s to enable at Contrel Elettronica Srl that will send the access code corresponding at the instrument and the option s selected 1 1 PASSWORD it s possible to set a numeric password to modify the setup The default password is 0000 In this condition the setup can be always ope
41. ned and its 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 It will be always possible to see every parameter but it will be impossible to modify everything if the password is ignored Only to input the correct password it s possible to change every parameter To set the new password as 0000 the instrument come back to work at default status Call the constructor to have an emergency password if you lose or forget the password m A SS I DL S l LE 1 1 45 14 USER MANUAL 11 8 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 Max to reset all the minimums and maximums 2 cr L CI M L Reset Ener to reset the energy counters Reset Setup delete all definition the setup and the instrument back to default setup Reset Global reset complete of the instrument Setup measures stored RAM After one minute of keyboard inactivity the instrument comes out of the setup automatically independently of the page visualized except when the field of modify is operating 46 14 USER MANUAL 12 Function and measures available only by serial port with software NRG TIMEBANDS energy counters in time bands
42. or other communication software COM2 can be used only to monitor the instrument COM2 has lower level priority in respect to COMI Node logic addresses 17128 in ASCII 01 255 in MODBUS 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 manually 41 EMA14 USER MANUAL 11 3 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 VAR is the number of measure to associate on the digital output from 128 to 257 see list of variables on chapter 13 Off digital output is always disabled Puls pulse emission proportional at energy registered and depending the programming used valid only for Energies Min the output is enabled if the value of the selected variable is lower of the programmed value Max 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 On digital output is always enabled Value intervention threshold value i e for overcoming
43. ower supply of instrument and disconnect all inputs and all outputs Remove the seal from the rear door Open and remove the rear door It s necessary to proceed with a lot of accuracy without touching other components because there are residual voltages Before starting the operation of insertion of the plug in module in the slot number 1 it s necessary to remove the plug in terminals block If you must insert plug in modules in both slots it s advisable but not necessary to insert before the board on slot number 1 and after the module on slot number 2 Insert with a lot of accuracy the module with an angle of 30 in the down direction respect the slot of insertion and with upper position the component side see the following picture Rotate the board in the upright direction until the two hooks hold the board which should be at the same level of the slot see the following picture Close the instrument using the rear door with the hole in which will enter the plug in module of the slot number 1 You can use a screwdriver to help you to centre the terminal block with the hole of rear door It s not necessary to use the rear door with the hole for the memory board of the slot number 2 10 Replace all connections and turn on the instrument Check in the relative page that the instrument 7 2 recognizes the board OPTION BOARD SLOT 1 DEFINITIVE POSITION ROTATION SENSE 30 OPTION BOARD 7 INSERTION
44. owing figure 124230 Vac dc M 150 MAX LOAD 2 150mA MAX LOAD 937 12 230 Vac dc Power supply from 12 to 230 Vac dc load must not exceed 150 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 consult the chapter 11 3 The signs and on outputs in the picture have electric meaningless If long distances must be covered the wires connected to the EMA14 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 22 14 USER MANUAL 8 3 INPUT OUTPUT OPTIONS PLUG IN MODULE It s possible to use this following plug in module option a 6 digital inputs 601 b 2 dig
45. s showed in the following table 1 OUTPUT 3 2 OUTPUT3 8 OUTPUTS pg c 9 OUTPUTS 4 OUTPUTA OUTPUT 6 8 3 4 4 RELAY DIGITAL OUTPUTS OPTION 4DO PLUG IN The option has 4 relay digital outputs The instrument will manage 2 digital inputs and 6 digital outputs 2 static and 4 relays The pin out is the same of the option before 8 3 5 2 ANALOG OUTPUTS OPTION 2A0 PLUG IN This option will allow to manage 2 digital inputs 2 digital outputs and 2 analog outputs See the chapter 11 5 to program 0 20mA or 4 20mA this outputs The following table shows the pin out OUTPUT 1 1 2 y p li 4 O5 T e __ OUTPUT 1 Output is at galvanic insulation with maximum load impedance of 1500 The connection to other peripherals as recorders ammeters remote indicators etc must be carried out using a maximum cable size of 2 5mm 7 fn OUTPUT2 10 OUTPUT2 12 0 20mA 0 20mA 4 20 4 20 1500 10987654 If long distances must be covered the wires connected to the 14 needs 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 24 14 USER MANUAL The EMA14 gives a curren
46. stem 3 phase system power Line voltage Phase voltage Voltage and Current Unbalance Line Current Three phase Current Neutral Current only for 4 wires insertion Average Line Current Maximum Average Line Current Power factor Active power Reactive power Apparent power Average power Maximum power Total hamonic distorsion of voltage Total harmonic distorsion of current K Factor Frequency Temperature LLELLLILLLLLLLLLLLLLLLL gt gt gt gt gt gt gt gt gt gt gt Data Time EMA s serial number Firmware version Phase sequence TA insertion Load of internal battery Line voltage Current Power factor Active power Reactive power Apparent power Voltage L1 L2 Voltage L2 L3 Voltage L3 L1 Voltage L1 N Voltage L2 N Voltage L3 N Voltage unbalance Vunb Current unbalance lunb Current L1 Current L2 Current L3 Three phase current Average current Max average current Neutral current Average neutral current Maximum average neutral current Average current L1 Average current L2 Average current L3 Maximum average current L1 Maximum average current L2 Maximum average current L3 Power factor L1 Power factor L2 Power factor L3 L1 L2 Coso L3 Active power L1 Active power L2 Active power L3 Reactive power L1 Reactive power L2 Reactive power L3 Apparent power L1 Apparent power L2 Apparent power L3 3 phase syatem average
47. t input EMA14 is equipped 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 Pp 6 4 WIRING DIAGRAMS 90 L1 6 4 L29 L3 2 4 l No 11 13 a i lt 12 51 52 9 L3 3 wires insertion 2 current transformers Aron O e L1 44 11 L2 eo eo L3 Q 12 NO lt a gt Seo L J e LI tm Q lt a la 2 pimp 3 wires insertion 2 current transformers 2 voltage transformers Aron 17 14 USER MANUAL L2 o _ LI E 4 dell L2 mm n S1 ml S2 1 2 e e LOAD 4 wires insertion 3 current transformers and 3 voltage transformes 11 t L2 e _ n 2 mm 11 mm L2 mm o Simm S2 L3 mm e PI P2 N o LOAD 4 wires insertion 3 current transformers
48. t signal range 4 20mA or 0 20mA proportional to the measures of the selected parameter The output is bi directional the current can be directly or inversely proportional to reference value programmed Bi directional means reversal of reference value and not inversion of current Examples 20 mA S Apparent Power Min 2000VA Max 10000VA E E a o pm sees INTIMI Min 1000W 0 Max 1000W lt 5 P F Power Factor zai 0 5 1 0 5 E o N E o Q Reactive power 9 Min 2500VAr Max 7000VAr 8 3 6 4 ANALOG OUTPUTS OPTION 4 PLUG IN The instrument with this option will manage 2 digital inputs 2 digital outputs and 4 analog outputs The pin out is showed in the following table OUTPUT 3 8 OUTPUT 3 OUTPUT 2 2 __ 3 __ 4 5 OUTPUT 4 6 OUTPUT 4 9 OUTPUT 2 im emt 12 OUTPUT 1 Information of the connection and example of management of the outputs are explained in the previous paragraph 25 EMA14 USER MANUAL 8 4 SERIAL OUTPUTS Through the combination of an asynchronous serial RS485 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 l
49. the analog output see list of variables on the chapter 13 MIN full scale value of the lower limit of the programmed value VAR Once the minimum full scale has been programmed the instrument automatically will associate the minimum current value 0 or 4 mA at this value The message NO VAL will appear if the VAR set is not a valid value MAX full scale value of the upper limit of the programmed value VAR Once the maximum full scale has been programmed the instrument automatically will associate the maximum current value 20 mA at this value The message NO VAL will appear if the VAR set is not a valid value N 88 a j Ca Ci I LI M LI LILI mm 1 C1 ee Ca L L rj v 1 1 BIN LI LI 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 To program the analog output 2 AO2 are available the same parameters of the first ooo output AO1 z p Meus ae The same parameters of the AO1 are available to program the analog outputs and 4 AO3 and A04 to use with the option boards VAR MIN MAX Y E 2 NES I a v h L Ir E 44 l a 7 nm nag FT CA I 2
50. thod up to the 31 harmonic very useful to locate network disturbances A fundamental feature of EMA14 is the easy way to integrate new additional options and the upgrading of the firmware using serial port and flash technology All parameters are showed on 3 rows 4 digits red LED display 14 segments 13mm 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 SAFETY EN 61010 2 14 USER MANUAL 2 TECHNICAL FEATURES 2 1 GENERAL SPECIFICATIONS Power supply Auxiliary voltage 85 265V 50 60 Hz dc 20 60V 50 60 Hz dc option Isolation voltage 3700 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 2 MO Burden 0 2 VA Current input Model EMA14 Model EMA14 1A 3 isolated inputs internal CT range 10mA 5A rms 4mA 1A rms 10A 100A for 1 second 2A 10A for 1 second 0 2 VA 0 04 VA Consumption 4VA typical 6VA max full optional Serial output RS485 RS2
51. ver them using the function of communication protocol All data stored in each archives will be deleted if there is a modify of the storage setup Visualization state of RAM archives enabled or disabled number of records memory free and memory used Visualization state of digital inputs and digital outputs Programming up to 4 analog output 0720 4 20mA Programming up to 6 digital outputs alarm pulse etc Programming up to 4 digital inputs sinc band etc Programming serial comm optional RS485 47 14 USER MANUAL 13 VARIABLES measure codes To program the variables in setup for digital outputs alarm and pulse analog outputs it s necessary to use these codes CODE VARIABLE 128 THREE PHASE SYSTEM VOLTAGE rms 129 PHASE L1 VOLTAGE rms 130 PHASE L2 VOLTAGE rms 131 PHASE L3 VOLTAGE rms 132 PHASE L1 L2 VOLTAGE rms 133 PHASE L2 L3 VOLTAGE rms 134 PHASE L3 L1 VOLTAGE rms 136 THREE PHASE SYSTEM CURRENT rms 137 LINE L1 CURRENT rms 138 LINE L2 CURRENT rms 139 LINE L3 CURRENT rms 140 THD I Total Harmonic Distortion 96 141 THD 1 Total Harmonic Distortion 96 142 THD l Total Harmonic Distortion 96 144 THREE PHASE SYSTEM POWER FACTOR 145 PHASE L1 POWER FACTOR 146 PHASE L2 POWER FACTOR 147 PHASE L3 POWER FACTOR 148 THREE PHASE SYSTEM COS 149 PHASE L1 COS 150 PHASE L2 COS 151 PHASE L3 COS 152 THREE PHASE SYSTEM APPARENT POWER 153 PHASE L1 APPARENT

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