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Contrel EMA-D9 User Manual

Electrical multifunction analyzer
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EMA-D9
E
M
A
LECTRICAL
ULTIFUNCTION
NALYZER
User Manual
IM 115-U v. 3.4
EMAD9 IM115-U v3.4.doc

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Summary of Contents for Contrel EMA-D9

  • Page 1 EMA-D9 LECTRICAL ULTIFUNCTION NALYZER User Manual IM 115-U v. 3.4 EMAD9 IM115-U v3.4.doc...
  • Page 2 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.

  • Page 3: Table Of Contents

    EMA-D9 - USER MANUAL INDEX MAIN INFORMATION _________________________________________________________5 1.1) INTRODUCTION _________________________________________________________5 1.2) DESCRIPTION ___________________________________________________________5 1.3) CE CONFORMITY AND STANDARDS ________________________________________5 TECHNICAL FEATURES ______________________________________________________6 2.1) GENERAL SPECIFICATIONS_______________________________________________6 2.2) MEASURING METHOD AND ACCURACY_____________________________________8 2.3) PROGRAMMABLE PARAMETERS (SETUP SECTION) __________________________8 2.4) MEASURED VARIABLES __________________________________________________9 2.5)
  • Page 4 EMA-D9 - USER MANUAL 7.4.5) SECOND RS485 BOARD (option) ______________________________________25 USE ______________________________________________________________________26 8.1) FUNCTION KEYS _______________________________________________________26 REAL TIME VALUES ________________________________________________________26 9.1) VISUALIZATION TREE ___________________________________________________27 9.2) VISUALIZATION MEASURES______________________________________________29 9.3) STATUS AND INFORMATION PAGES ______________________________________36 SETUP ____________________________________________________________________38 10.1) MAIN MENU SETUP _____________________________________________________39 10.2)

  • Page 5: Main Information

    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.

  • Page 6: Technical Features

    EMA-D9 - USER MANUAL TECHNICAL FEATURES 2.1) GENERAL SPECIFICATIONS Power supply / Auxiliary voltage 90-250 V 50/60 Hz/cc. 20-60 V 50/60 Hz/cc (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.
  • Page 7 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.

  • Page 8: Measuring Method And Accuracy

    EMA-D9 - USER MANUAL 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: <...

  • Page 9: Measured Variables

    EMA-D9 - USER MANUAL 2.4) MEASURED VARIABLES PHASE VOLTAGE (Rms) L1-N L2-N L3-N LINE CURRENT (Rms) FREQUENCY (Hz) TEMPERATURE T(°C) 2.5) CALCULATED VARIABLES LINE VOLTAGE (Rms) L1-L2 L2-L3 L3-L1 THREE-PHASE SYSTEM VOLTAGE (Rms) THREE-PHASE SYSTEM CURRENT (Rms) AVERAGE THREE-PHASE SYSTEM CURRENT...

  • Page 10: Measuring & Calculation Formulas

    EMA-D9 - USER MANUAL 2.6) MEASURING & CALCULATION FORMULAS ∑ L iN k Phase Voltage V L iN ∑ L iN k Line Current I L i ⋅ ∑ iN k Active Power W L i ⋅ ∑ − iN k ∆...
  • Page 11 EMA-D9 - USER MANUAL ∞ Reactive Energy ∫ ∑ L ij k Line Voltage V L ij Phase Line Voltage V Φ Phase System Current I Φ Phase Active Power W Φ Phase Reactive Power Q Φ PhaseAppea rent A Φ...

  • Page 12: Instrument Description

    EMA-D9 - USER MANUAL INSTRUMENT DESCRIPTION The front panel of the EMA-D9 is described on the following section: 1-DISPLAY Alphanumeric LCD backlighting, 2x20 characters, dot pitch 0.65mm x 0.70mm, dot size 0.60mm x 0.65mm, angle of view 35°, positive visualization at low reflection.

  • Page 13: Installation

    EMA-D9 - USER MANUAL 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.

  • Page 14: Internal Battery

    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.

  • Page 15: Connection

    EMA-D9 - USER MANUAL CONNECTION Connection Table Connector Name Connector Name A+ (Uaux) A- (Uaux) B2 (RS485 option) A2 (RS485 option) B1 (RS485) A1 (RS485) Tx (RS232) L1 (V line 1) Rx (RS232) COM (RS232) L2 (V line 2) L3 (V line 3)

  • Page 16: Power Supply

    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).

  • Page 17: Wiring Diagrams

    EMA-D9 - USER MANUAL 6.4) WIRING DIAGRAMS ENTER 3 wires insertion, 2 current transformers ENTER 3 wires insertion, 2 current transformers and 2 voltage transformers -17-...
  • Page 18 EMA-D9 - USER MANUAL ENTER 4 wires insertion, 3 current transformers and 3 voltage transformers ENTER 4 wires insertion, 3 current transformers -18-...
  • Page 19 EMA-D9 - USER MANUAL ENTER 4 wires insertion, 3 current trnsformers and 2 voltage transformers ENTER L3 N Single fase insertion, 1 current transformer -19-...

  • Page 20: Input/ Output Devices

    For the digital input setup 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 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.

  • Page 21: Digital Inputs (Option)

    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 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).

  • Page 22: Standard Digital Outputs

    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 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.

  • Page 23: Serial Outputs

    EMA-D9 - USER MANUAL 7.4) 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.

  • Page 24: 2) Rs 485 Connection Shielded

    EMA-D9 - USER MANUAL 7.4.2) RS 485 CONNECTION SHIELDED RS232 Max 32 EMA; max 1200 mt RS232/RS485 converter RS485(1) RS232 RS485(1) RS232 EMA-D9 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).

  • Page 25: 4) Modem Connection

    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 EMA-D9. Warning. The hardware modification of instrument will change the Setup in the default configuration.

  • Page 26: Use

    EMA-D9 - USER MANUAL 8.1) FUNCTION KEYS • UP & 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.

  • Page 27: Visualization Tree

    EMA-D9 - USER MANUAL 9.1) VISUALIZATION TREE 3 - Phase L1 Phase L2 Phase L3 Phase System Phase Voltage Line Voltage V Unbalance Line Current Line Current 3 Phase Neutral Line Current I Unbalance Average Max. Avg. Current Current Max, Max.
  • Page 28 EMA-D9 - USER MANUAL Energy Energy Energy Energy Energy Energy Energy Energy 2 Months Ago 2 Months Ago 2 Months Ago 2 Months Ago 2 Months Ago 2 Months Ago 2 Months Ago 2 Months Ago P1 Active Reactive Active...

  • Page 29: Visualization Measures

    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 page, press Enter key.
  • Page 30 EMA-D9 - USER MANUAL Variable reading of line current • (A - kA) rms current L1 [I • (A - kA) rms current L2 [I • (A - kA) rms current L3 [I Variable reading of three-phase current • (A - kA) rms three - phase system current [∑I] •...
  • Page 31 EMA-D9 - USER MANUAL Variable reading of THD voltage • (Thd) total harmonic distortion of voltage L1 phase [Thd • (Thd) total harmonic distortion of voltage L2 phase [Thd • (Thd) total harmonic distortion of voltage L3 phase [Thd Variable reading of THD current •...
  • Page 32 EMA-D9 - USER MANUAL Variable reading three - phase system powers • (W - kW - MW - GW) three - phase system active power [ΣP] • (VAr - kVAr - MVAr - GVAr) three - phase system reactive power [ΣQ] •...
  • Page 33 EMA-D9 - USER MANUAL Variable reading phase power factor • (P.F.) power factor L1 [PF • (P.F.) power factor L2 [PF • (P.F.) power factor L3 [PF Variable reading phase cosϕ • (cosϕ) cosϕ L1 [cosϕ • (cosϕ) cosϕ L2 [cosϕ...
  • Page 34 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.
  • Page 35 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 è inserito il codice di abilitazione ACCESS relativo alle Timebands e fornito da Contrel Elettronica Srl. Variable reading MIN & MAX values 12 pages (selected by “LEFT”...

  • Page 36: Status And Information Pages

    EMA-D9 - USER MANUAL 9.3) STATUS AND INFORMATION PAGES The status and/or information pages include: • the displaying of clock and internal calendar • the condition of internal RAM memory • the condition of digital I/O • warnings • general info of the instrument These information are important to identify the instrument and its configuration before eventual upgrade.
  • Page 37 EMA-D9 - USER MANUAL Digital I/O 2 pages show the status (ON enabled and OFF disabled) of the digital inputs (I1÷I6) and the digital outputs (01÷06). The indication (---) means input or output absent (for optional I/O with expansion module).

  • Page 38: Setup

    EMA-D9 - USER MANUAL 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: Setup Measure -Def.Page Mode - Warnings Blight - Access...

  • Page 39: Main Menu Setup

    EMA-D9 - USER MANUAL 10.1) MAIN MENU SETUP The pages of the first level of setup are the following: • 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 on the measures filter), DEF PAGE TIME (waiting time before to come back to default page), B.LIGHT...

  • Page 40: General

    Every time it’s possible to enable this code, it’s necessary 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.

  • Page 41: Serial Comm

    EMA-D9 - USER MANUAL • V Unbalance, allows to calculate the voltage unbalance between the line voltage or phase voltage. • 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.

  • Page 42: Average

    EMA-D9 - USER MANUAL 10.4) AVERAGE The AVERAGE menu allows the settings of parameters in the calculation of average values • Sync Avg, defines the type of the synchronism for the start and the stop of the average calculation. Three mode of use are available: - Int.Rtc.: use the internal clock as time based line.
  • Page 43 EMA-D9 - USER MANUAL • TIMEBANDS, it’s possible to subdivide the energy consumption in 12 time bands. In this way it’s possible to value the energy costs where the 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...
  • Page 44 EMA-D9 - USER MANUAL - HOLIDAYS, It’s possible to program the days in the year in which the time bands programmed are not used and the energy consumption end up in the economic band (P1). This function can be useful in holiday or in days in which the energy suppliers apply different tariff of others days.

  • Page 45: Storage

    EMA-D9 - USER MANUAL 10.6) STORAGE The STORAGE menu allows the programming of the data to store. 4 section of storing exist: - relative minimums and maximums - average powers - harmonic components - samples (only with NRG software or serial command) The storage is organized as FIFO (first in first out) type memory.
  • Page 46 EMA-D9 - USER MANUAL • Average Power 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.

  • Page 47: Digital Output

    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. • 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.

  • Page 48: Digital Input

    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 and options. The 2 standards digital input can be programmed how follow: • Type, defines the type of operation: - Not used.
  • Page 49 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.

  • Page 50: Analog Output (Option Available Only With External Module)

    EMA-D9 - USER MANUAL 10.9) ANALOG OUTPUT (option available only with external module) Selecting the analog output voice, the following programming page appears: • Out Index, expresses the number of output to select, which are present on the hardware of the instrument.

  • Page 51: Reset

    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 All, reset all of measures (minimum and maximum, energy counter, time bands).

  • Page 52: Problems And Solutions

    EMA-D9 - USER MANUAL 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.

  • Page 53: Ema Serial Communication Protocol

    About all the information of protocols communication to see specific user manual (EMA SERIAL COMMUNICATION PROTOCOL). 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.
  • Page 54 EMA-D9 - USER MANUAL -54-...

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