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EMA-D9 - USER MANUAL 

-8- 

 

2.2) 

MEASURING METHOD AND ACCURACY 

 

Measuring range 

30-500Hz. 
 

Measuring method 

64 sampling per period for V1 and I1, V2 and I2, V3 and I3. 
Measuring interval 0,1 second. 
 

Instrument accuracy 

Voltage: < 0.5 % 
Current: < 0.5 % 
Power: < 1 % 
Energy: < 1 % 
Power Factor: < 1 % 
 

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. 

Содержание EMA-D9

Страница 1: ...EMA D9 ELECTRICAL MULTIFUNCTION ANALYZER User Manual IM 115 U v 3 4 EMAD9 IM115 U v3 4 doc...

Страница 2: ...nt 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 ope...

Страница 3: ..._________________________________13 4 3 MOUNTING ____________________________________________________________13 5 INTERNAL BATTERY________________________________________________________14 5 1 REPLACE...

Страница 4: ...________________________40 10 3 SERIAL COMM _________________________________________________________41 10 4 AVERAGE _____________________________________________________________42 10 5 ENERGY _______...

Страница 5: ...ement 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 net...

Страница 6: ...10A for 1 second Consumption 4VA 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 Pr...

Страница 7: ...0 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 Me...

Страница 8: ...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 Sa...

Страница 9: ...PFL2 PFL3 THREE 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...

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: ...wn 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 th...

Страница 13: ...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 aft...

Страница 14: ...adge and to lever up 4 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 5 Using a pipe spanner 5...

Страница 15: ...S232 12 39 COM RS232 13 L2 V line 2 40 14 41 15 L3 V line 3 42 1 Digital Output 16 43 1 Digital Output 17 N Neutral 44 2 Digital Output 18 45 2 Digital Output 19 S1 I1 46 1 Digital Input 20 S2 I1 47 1...

Страница 16: ...power supply does not require 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 transf...

Страница 17: ...3 wires insertion 2 current transformers 3 wires insertion 2 current transformers and 2 voltage transformers LOAD L3 L2 L2 L1 L1 ENTER S T W X L3 LOAD L3 L2 L2 L1 L1 ENTER S T W X L3 1 1 27 27 P1 P2...

Страница 18: ...L3 L2 L2 L2 L2 L1 L1 L1 L1 ENTER ENTER S S T T W W X X P1 P1 P1 P1 P2 P2 P2 P2 S1 S1 S1 S1 S2 S2 S2 S2 L3 L3 N N 1 1 27 27 N N 4 wires insertion 3 current transformers and 3 voltage transformers 4 wir...

Страница 19: ...LOAD L3 L2 L2 L2 L1 L1 L1 L1 ENTER ENTER S S T T W W X X P1 P1 P1 P2 P2 P2 S1 S1 S1 S2 S2 S2 L3 L3 N 1 1 27 27 N N Single fase insertion 1 current transformer 4 wires insertion 3 current trnsformers...

Страница 20: ...please consult the 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 betwe...

Страница 21: ...pped with 6 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 in...

Страница 22: ...ach 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 b...

Страница 23: ...l 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...

Страница 24: ...ion line is shorter of 5 mt and a multidrop network will not use it s not necessary to use a serial line converter because the serial output is compatible with the PC as shown on the above mentioned p...

Страница 25: ...the configuration in the register 0 of the modem s not volatile memory Y0 set the configuration stored in the register 0 of the modem s not volatile memory as the default configuration at the startin...

Страница 26: ...e 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 pre...

Страница 27: ...ve Yester Energy day P1 Reactive Yester Energy Yesterday P1 Active Energy day P4 Reactive Yester Energy day P4 Active Yester 13 Energy P3 Reactive 2 Days Ago Energy P3 Active 2 Days Ago Energy P2 Acti...

Страница 28: ...ive 2 Years Ago P4 Min L1 Current Min 3 PH Avg Watt Min 3 Phase Current Min 3 Ph Power Factor Min L2 Voltage Min 3 Ph Watt Power Min L3 Voltage Min 3 Ph Va Power Min L1 Voltage Min L3 Current Min 3 Ph...

Страница 29: ...hase L1 V kV rms voltage between L1 phase and neutral V1 A kA rms current L1 I1 W kW MW GW active power L1 W1 PF power factor L1 PF1 L inductive C capacitive Variable reading of phase L2 V kV rms volt...

Страница 30: ...xav 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 A...

Страница 31: ...g K Factor K Factor L1 phase K Factor L2 phase K Factor L3 phase Variable reading of maximum THD voltage maximum total harmonic distortion of voltage L1 phase Thd1max maximum total harmonic distortion...

Страница 32: ...Ar GVAr reactive power L2 Q2 VAr kVAr MVAr GVAr reactive power L3 Q3 Variable reading phase apparent power VA kVA MVA GVA apparent power L1 S1 VA kVA MVA GVA apparent power L2 S2 VA kVA MVA GVA appare...

Страница 33: ...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 Variabl...

Страница 34: ...cond visualization group of time bands shows the energies of yesterday It s displayed after the previous group pressing the UP key The third visualization group of time bands shows the energies of two...

Страница 35: ...L2 phase voltage VL2 L3 phase voltage VL3 three phase system current L1 phase current IL1 L2 phase current IL2 L3 phase current IL3 three phase system active power W three phase system apparent power...

Страница 36: ...d U dynamic memory expressed in Kb which is used by data already stored record stored Free F dynamic memory expressed in Kb which is free to store data Used Free memory are working together blocks of...

Страница 37: ...rrent transformer is inverted the display shows TA WARNING otherwise TA OK If the sequence of phases at voltage inputs is inverted will appear Ph Seq WARNING otherwise Ph Seq OK The message Ph Seq No...

Страница 38: ...NTER 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 c...

Страница 39: ...RAGE POWER average of active and reactive power consumption HARMONICS harmonic storing up to the 31 st order for both current and voltage for each line and TRIGGER the storage start from a pulse on di...

Страница 40: ...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...

Страница 41: ...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 COM1 while the su...

Страница 42: ...average parameters dt Mobile defines the updating time in window mobile of the average parameters 10 5 ENERGY In the ENERGY menu it s possible to modify the unit of measurement of energies to set at t...

Страница 43: ...nd RIGHT keys to select the month and the UP and DOWN keys to enable or disable the month The asterisk shows the month enabled Start Stop to program the start and the stop of the selected period Month...

Страница 44: ...program Day Index allows to set 40 different days like holidays After the selection of index define the day of the year Month is the month of the day in programming One number from 1 to 12 defines the...

Страница 45: ...t power VA three phase system power factor PF three phase system average active power Wav Enable with ON the Min Max storing is enabled while with OFF it s disabled Rate acquisition time This is the a...

Страница 46: ...Time If there is no enabled archives the trigger function 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...

Страница 47: ...positive energy pulses must be emitted every 1 kWh program 1 00 programmable from 0 01 to 100 kWh pulse Inf Sup Value low limit and high limit of alarm in band way Time is the threshold delay for int...

Страница 48: ...ange 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 enab...

Страница 49: ...allows to define the name for each counters Using the right and left keys it s possible to choose a couple of counters when it s present The counter is selected using the up and down keys and confirm...

Страница 50: ...the parameter of measure to associate at the analog output Min Max Value minimum and maximum full scale of the variable selected Measure Code Once the minimum and maximum full scale has been programme...

Страница 51: ...set total energy counters Counters reset generic counters Reset Storage delete all data stored in the memory Reset Setup delete all definition in the setup and the instrument come back to default setu...

Страница 52: ...nication 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 t...

Страница 53: ...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 pr...

Страница 54: ...EMA D9 USER MANUAL 54...

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