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EMA90 - USER MANUAL

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14)

EMA SERIAL COMMUNICATION PROTOCOL

The Electrical Multifunction Analyzer EMA series are disposal with two communication standard
protocols:

•

ASCII

•

MODBUS-RTU

and optional

•

PROFIBUS

•

TCP/IP Ethernet

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).

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Содержание EMA90

Страница 1: ...EMA90 ELECTRICAL MULTIFUNCTION ANALYZER User Manual IM 125 U v 4 4 EMA90 IM125 U v4 4 doc ELECTRICAL MULTIFUNCTION ANALYZER RECORDER SELECT P UP ENTER P DOWN SELECT...

Страница 2: ...eplacement 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 installati...

Страница 3: ...____________________________14 5 INTERNAL BATTERY________________________________________________________15 5 1 REPLACEMENT INTERNAL BATTERY _____________________________________15 6 CONNECTION_______...

Страница 4: ..._______________________________________________________________45 11 1 SETUP ITEM___________________________________________________________45 11 2 MAIN MENU SETUP_____________________________________...

Страница 5: ...are has been installed It is possible to monitor via digital outputs 2 dig out Standard 2 dig out options alarms sirens or strategically factory loads EMA90 with optional harmonic analyzes can carry o...

Страница 6: ...d signals Tx Rx Gnd Option S485 N 1 RS485 in addition to the standard port the option has an output 0 5V galvanic insulation PF S N 1 PROFIBUS port in addition to the standard port ETH N 1 ETHERNET po...

Страница 7: ...rnal battery Data retention 5 years typical at 25 C 77 F Stored variables Average power Min max values Harmonics option Samples energies and generic counters Display interface 128x128 dot graphic LCD...

Страница 8: ...V3 and I3 Measuring interval 0 1 second Instrument accuracy Model EMA90 Model EMA90 05 Voltage 0 5 0 25 Current 0 5 0 25 Power 1 0 5 Energy 1 0 5 Power Factor 1 0 5 Standard EN 62053 21 EN62053 22 Sam...

Страница 9: ...E PHASE SYSTEM POWER FACTOR PF COS COS L1 COS L2 COS L3 THREE PHASE SYSTEM COS COS APPARENT POWER SL1 SL2 SL3 VA THREE PHASE SYSTEM APPARENT POWER S VA ACTIVE POWER PL1 PL2 PL3 W THREE PHASE SYSTEM AC...

Страница 10: ...hLi ALi W Li PFLi Q Li W Li W Li Li I LiN V LiN ALi P iLi k vLiNk Q Li P iLik vLiNk W Li P i LiNk I Li P v LiNk V LiN P k P k P k P k 0 Energy Active Factor Power 2 2 cos Cos Power Appearent Power Rea...

Страница 11: ...V L L V P v Lijk V Lij dt Q Li Qh Li P k 0 3 3 Energy Reactive 0 3 3 Energy Active 3 2 1 3 rent PhaseAppea 3 3 2 1 3 Power Reactive Phase 3 3 2 1 3 Power Active Phase 3 3 3 2 1 3 Current System Phase...

Страница 12: ...0 32mmx0 32mm high viewing direction 60 positive and negative visualization at low reflection 2 TASTIERA In the Acquisition Mode the up and down arrows allows to skip through the measuring page of th...

Страница 13: ...r 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 inad...

Страница 14: ...environmental temperature ranging between 10 C and 50 C The panel cut out of the unit is the following Following the picture below mentioned insert the instrument from the front side of the switchboar...

Страница 15: ...on 4 retention hook 3 It s necessary to pay attention to presence of residual voltage inside the instrument Don t touch any other component different from the battery circuit 4 To extract the instrume...

Страница 16: ...ect 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 using a screwdriver remove the rea...

Страница 17: ...NG 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...

Страница 18: ...voltage transformes 4 wires insertion 3 current transformers LOAD L1 L2 L3 N P1 P2 S1 S2 L1 L2 L3 N L1 L2 L3 LOAD L1 L2 L3 N P1 P2 S1 S2 L1 L2 L3 N L1 L2 L3 EMA 90 Contrel ELECTRICAL MULTIFUNCTION ANA...

Страница 19: ...Outputs 2DO R 2 Relays Outputs S485 1 RS485 Port 1AO 1 Analog Output 2AO 2 Analog Outputs ETH 1 Ethernet Port ETH S 1 Ethernet Port 1 RS485 Port PF S 1 Profibus Port Then there is an option that can...

Страница 20: ...istances must be covered the wires connected to the EMA90 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 w...

Страница 21: ...S2 I1 I2 I3 L1V 2 3 4 5 6 8 9 10 11 12 7 1 L2V L3V Di1 Di1 Di2 Di2 A Vaux Do2 Do2 B CE Do2 Do2 C i Di6 Di5 Di4 Di3 Di5 Di6 C i Di3 12 24 Vdc Do1 Do1 Do1 Do1 gnd Rx Tx Tx Rx gnd 2 3 4 5 6 8 9 10 11 12...

Страница 22: ...ARD DIGITAL OUTPUTS The signs and on outputs in the picture have electric meaningless If long distances must be covered the wires connected to the EMA90 needs to be wired in a separate channel from th...

Страница 23: ...l outputs 8 2 3 OPTION DIGITAL OUTPUTS 2DO R This option has 2 relay outputs With this option the instrument will be equipped with 2 digital inputs and 4 digital outputs 2 photomos outputs 2 relay out...

Страница 24: ...a maximum cable size of 2 5mm2 If long distances must be covered the wires connected to the EMA90 needs to be wired in a separate channel from the power supply cables if an intersection occurs betwee...

Страница 25: ...or 0 20mA proportional at 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...

Страница 26: ...t 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...

Страница 27: ...eeded 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 th...

Страница 28: ...he 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...

Страница 29: ...er 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 EL E C T R I C A L M U L T I F U N C T I O N A N A L Y Z E R R E...

Страница 30: ...instrument will be equipped with 2 digital inputs 2 digital outputs and 2 serial ports Personal Computer Modem N L N S1 S2 S1 S2 S1 S2 I1 I2 I3 L1V 2 3 4 5 6 8 9 10 11 12 7 1 L2V L3V TX RX COM Di1 Di1...

Страница 31: ...nd Data LED blink the profibus communication is active In the following picture the pin out of the Profibus DP port 1 Not connected 6 Power Supply 5V 2 Not connected 7 Not connected 3 RxD TxD P B 8 Rx...

Страница 32: ...90 incorporates 4 LED 2 status LED and 2 Ethernet status LED The green LED of Ethernet status Link Data is turned on when the Ethernet cable is plugged into the device The LED blinks whenever an Ether...

Страница 33: ...ey allows to enter in the setting menu or submenu in order to program and or set values and confirm the operation s SYSTEM RESET To reset the unit directly from the keyboard without entering in the Se...

Страница 34: ...s TB Energy Today P3 P4 TB Energy This Month P3 P4 TB Energy This Year P3 P4 Min Max L1 Voltage Min Max L3 Current H V 00 09 VL2 Harmonics Storage Min Max Digital Input Warnings Battery User Page Coun...

Страница 35: ...rrent L1 I1 W kW MW GW active power L1 W1 PF power factor L1 PF1 Variable reading of phase L2 V kV RMS voltage L2 phase V2 A kA RMS current L2 I2 W kW MW GW active power L2 W2 PF power factor L2 PF2 V...

Страница 36: ...e of unbalance phase voltage Vunb Note the unbalance voltage appears only if it s defined in setup Variable reading of line voltage V kV rms voltage L1 V1 V kV rms voltage L2 V2 V kV rms voltage L3 V3...

Страница 37: ...Note The maximum average current is calculated in the average time set in the setup The maximum average neutral current will be showed only if the insertion type is 4 wires Variable reading THD of vo...

Страница 38: ...ctive power P W kW MW GW active power L1 P1 W kW MW GW active power L2 P2 W kW MW GW active power L3 P3 Variable reading phase reactive power VAr kVAr MVAr GVAr three phase system reactive power Q VAr...

Страница 39: ...ctor L2 PF2 P F power factor L3 PF3 Variable reading phase cos cos three phase system cos cos cos cos L1 cos 1 cos cos L2 cos 2 cos cos L3 cos 3 Phasor Fresnel diagram Phase angles in degree voltage c...

Страница 40: ...er kWh kVArh inductive reactive energy counter kVArh kVArh capacitive reactive energy counter kVarh Note If Energy Type is set like Heavy the measure units are expressed in MWh and MVArh Variable read...

Страница 41: ...m 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 ener...

Страница 42: ...c distortion of current L2 phase Thd2 Thd total harmonic distortion of current L3 phase Thd3 8 pages show the harmonic components up to 31st of voltage and current of each line in numerical form Varia...

Страница 43: ...s ON if memory enabled or OFF if memory disabled Record s number of stored events in memory Memory Kb Available static memory expressed in Kb which is available to store data for this section Used dyn...

Страница 44: ...oltage lack on one phase at least on measure line or the instrument shut off On the fourth page Turn On appears the events of the voltage come back at least of one phase or when the instrument turn on...

Страница 45: ...d Power P1 P4 0 9999999 99 kW Safety Limit P1 P4 0 50 Intervention Limit P1 P4 0 100 Load Power Load 1 Load 6 0 9999999 99 kW Priority On L 1 ON L6 ON 0 9 Delay On L 1 ON L6 ON 0 3600 sec Priority Off...

Страница 46: ...he GENERAL men This function allows the visualization of the expected power value ExpW STORAGE includes the settings of MINMAX minimum and maximum values storing AVG POW the average consumption of act...

Страница 47: ...hoose between positive visualization dark characters on clear background and negative visualization clear characters on dark background Def Page Time is the time of wait before to come back to default...

Страница 48: ...d as RS232 and RS485 by hardware Note If the PF S or ETH option is used the COM2 menu remain closed The protocol on COM2 will be PROFIBUS DP or MODBUS TCP and the baud rate will be detect from the com...

Страница 49: ...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 la...

Страница 50: ...ime 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 wi...

Страница 51: ...tandard and optional digital outputs will be used for this function and they lose each other programming i e pulse threshold etc Contract Power indicates the threshold powers contractual expressed in...

Страница 52: ...nnected The default value is 0 Priority Off indicates the disconnection of each load The load with 1 priority will be the first to be disconnected while the load with 8 priority will be the last The 9...

Страница 53: ...g 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...

Страница 54: ...ts The range is 1 9999 minutes and the default value is 60 minutes No congruent set between TRIGGER storage enabled and Type of the digital input will involve the visualization of the warning message...

Страница 55: ...0000 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 kWh pulse Time is the threshold delay for intervention expressed...

Страница 56: ...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...

Страница 57: ...eady 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...

Страница 58: ...to associate at the analog output Min full scale value of the lower limit of the programmed value Measure Code Once the minimum full scale has been programmed the instrument automatically will associa...

Страница 59: ...t Global reset complete of the instrument Setup measures stored RAM 11 13 EXIT SETUP The last voice of the setup menu is EXIT SETUP which allows the operator to leave the instrument setup and go back...

Страница 60: ...ive power L2 VAr L2 phase reactive power L3 VAr L3 phase reactive power 3Ph Wh Three phase positive active energy 3Ph VArh Three phase inductive reactive energy 3Ph Wh Three phase negative active ener...

Страница 61: ...ication parameters Verify the correct wiring Verify that the communication protocol of the instrument coincides with the one used in the sw Verify the wiring type RS232 or RS485 and the settings of th...

Страница 62: ...et 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...

Страница 63: ...NG 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...

Страница 64: ...EMA90 USER MANUAL 64...

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