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J&D isast Multi-GEM User Manual

Branch circuit power meter
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BRANCH CIRCUIT POWER METER
USER MANUAL

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  • Page 1 BRANCH CIRCUIT POWER METER USER MANUAL...
  • Page 2 Explanation of Symbols: CAUTION, RISK OF DANGER. DOCUMENTATION MUST BE CONSULTED IN ALL CASES WHERE THIS SYMBOL IS MARKED. CAUTION, RISK OF ELECTRIC SHOCK. PROTECTIVE CONDUCTOR TERMINAL. ALTERNATING CURRENT / VOLTAGE. Revision info. Revision Date Description Firmware version Application version VER 1.19 2013.

  • Page 3: Table Of Contents

    Table of Contents ◆ Product 1. Introduction 2. Characteristics 3. Speci cation 4. Measurement ◆ Installation 1. Installation Conditions 2. Terminals 3. Appearance and dimension ◆ Con guration Software 1. Introduction 2. Con gurator start and Exit 3. System Composition 4.

  • Page 4: Product

    Product 1. Introduction Multi-GEM18 is installed in the electric distribution and local panels. It enables the facility manager to meter and monitor electric power of their production line and facility equipment in detail. It helps to analyze and diagnose the power consumption patterns e ciently.

  • Page 5: Speci Cation

    3. Speci cation Model iSAST Multi-GEM18 Power system 1P2W, 3P3W(2CT), 3P4W Measurement 50-690 V~ 3~ L-L, Max. 6000 A, 3~, CAT Ⅲ Frequency 50 /60 Hz CT port Instantaneous current, 100mA or 333mV (depends on ref.) Inputs Rating Control power AC100-240V~, 50/60Hz, 0.12~0.07A Power Consumption 5W max...

  • Page 6: Measurement

    4. Measurement Display Item Remark Unit Digit Phase voltage 0.00 ~ 9,999,999.99 Max 400V for low voltage Line voltage 0.00 ~ 9,999,999.99 Max 690V for low voltage Line current 0.00 ~ 9,999,999.99 Active power ±0 ~ 999,999,999 Reactive power ±0 ~ 999,999,999 Apparent power 0 ~ 999,999,999 Frequency...

  • Page 7: Installation

    Installation 1. Installation Conditions It needs to avoid a place where direct interference exists like as high temperature and electromagnetic eld for the installation. Please check the environment conditions around Multi-GEM below for a correct operation. Item Conditions Location Indoor Operation Temp.

  • Page 8: Terminals

    2. Terminals Ethernet CH 7 ~ 9 CH 4 ~ 6 CH 1 ~ 3 Power RS485 CH 10~12 CH 13~15 CH 16~18 Name Description Control Power Supply the control power to the Multi-GEM (AC/DC 100~240V) RS485 Port To connect to the External IO module or SCADA system purpose MMI Port RS232 Port to connect the con gurator 1~18 CT Port...

  • Page 9: Control Power

    2.1 Control Power It is the power supply port to operate Multi-GEM. ( AC/DC 100~240V ) Ethernet CH 7 ~ 9 CH 4 ~ 6 CH 1 ~ 3 Power Power RS485 CH 10~12 CH 13~15 CH 16~18 Pin Number Description Line(AC), +(DC) connection Neutral(AC), -(DC) connection...
  • Page 10 2.3 MMI(RS-232) Port It communicates with the MMI Con gurator through this port. MMI con gurator shows for user to monitor metering data and setting values. And it gives a write command for a con guration of Communication, PT ratio, Analog Input and other settings etc.
  • Page 11 2.4 CT Input Terminal CTs are connected to this terminal. The secondary CT ratio is 100mA or 333mV by split & Rogowski coil CT. The terminal must meet the correct direction (K: Line / L: load) of CT to measure power correctly. Ethernet CH 7 ~ 9 CH 4 ~ 6...
  • Page 12 ▶ CT direction with the power line direction. Output AC Input GUIDE ▶Wiring with a CT should follow the direction of CT that power line side is at K of CT and Loadside is at L of CT. ▶Connect the terminal K of CT to the CT input terminal K of Multi-GEM and the terminal L of CT to the CT input terminal L of Multi-GEM.
  • Page 13 2.5 Voltage Input Terminal It is for the voltage measurement. It should follow the voltage phase order to measure power correctly. It can be veri ed in the Vector diagram of MMI con gurator easily. Ethernet CH 7 ~ 9 CH 4 ~ 6 CH 1 ~ 3 Power...
  • Page 14 2.6 Temperature Sensor Terminal Ethernet 3 2 1 CH 7 ~ 9 CH 4 ~ 6 CH 1 ~ 3 G NTC 3.3V Power RS485 CH 10~12 CH 13~15 CH 16~18 It measures the present temperature by NTC or 4~20mA signal input at this port. * The default input is NTC .
  • Page 15 2.7 DI/DO (Digital Input/Digital Output) Port ▶ DO terminal is used like as below. 1) Temperature Alarm - When the temperature keeps the higher value than the setting for 5 sec. more, it operates. 2) Event Alarm - It operates by Sag, Swell, Over Current events as well. ▶...

  • Page 16: Ethernet Port

    2.8 Ethernet Port It communicates with a Host. ▶ Protocol : Modbus TCP/IP ▶ Speed : 10/100 Mbps Automatic selection Ethernet CH 7 ~ 9 CH 4 ~ 6 CH 1 ~ 3 Power RS485 CH 10~12 CH 13~15 CH 16~18 RJ-45 Pin No.
  • Page 17 2.9 Power Distribution panel con guration. Ethernet CH 7 ~ 9 CH 4 ~ 6 CH 1 ~ 3 Power RS485 CH 10~12 CH 13~15 CH 16~18 Inside distribution panel...

  • Page 18: Appearance And Dimension

    3. Appearance and dimension 3.1 Multi-GEM 18 Appearance...
  • Page 19 3.2 Multi-GEM 18 dimension 90.72 34.95 50.5 30.5 30.5 14.08 21.21 20.82 14.07 31.4 27.47 36.05 27.47 41.9...

  • Page 21: Con Guration Software

    Con guration Software...

  • Page 22: Introduction

    1. Introduction This Muilti-GEM UI is made for a user to put the settings and check the each data of the load simply. Multi-GEM is operated in a Win7 (32bit) OS. It is composed of three main screens, the Monitor, Con guration and Calibration. 5 categories are in the Monitor screen to be seen the values and basic settings.

  • Page 23: Comm. Setting

    2.2 Comm. setting When click the Comm. setting in the Menu icon bar, the Comm. setting window pops up like below. For the communication between the Simulator and Multi-GEM, both Serial and LAN are available. 1) Serial Port ① Con rm the PC Port connected to Multi-GEM Comm. speed baudrate of 115,200 xed values. ②...
  • Page 24 2) LAN Port ① Connect the Ethernet Port to Hub or PC. (If there is no function of MDI/MDIX , Use a cross cable) ② For the initial setting of PC, set the PC with the IP band of Multi-GEM. ③...

  • Page 25: System Composition

    3. System Composition Menu tree 1) Connect PC connects the communication with Multi-GEM. 2) Disconnect PC disconnects the communication with Multi-GEM. 3) DB File open Open the setting database le of feeders stored in PC. 4) DB File save Store the setting database le of feeders modi ed in PC. 5) Comm.
  • Page 26 3.2 Icon items 1) Monitor ▷ Temperature ▷ Frequency ▷ 1st(Main) Feeder Data ▷ Voltage, Current ▷ Power (Active, Reactive, Apparent) ▷ Power Factor ▷ Current Unbalance ▷ Power THD ▷ Energy (Active/Reactive/Apparent, This month/Last month /Total) ▷ Voltage/ Current Vector diagram ▷...
  • Page 27 2) Setting 3) Feeder Setting Con guration ▷ Type ▷ Model select ▷ CT Ratio ▷ Frequency ▷ Connect CH ▷ Main wire system ▷ Starting Current ▷ Feeder Count ▷ Overcurrent Level ▷ DO Alarm ▷ Alarm Use ▷ DO Reset ▷...

  • Page 28: Monitoring

    4. Monitoring 4.1 Feeder Selection Monitoring the measured values of loads with Multi-GEM. After Selecting a feeder group, select a feeder of the group to monitor values. When select a feeder, the color of the item is changed into orange. 1) Feeder Group selection.
  • Page 29 4.2 Temperature and Frequency 1) Temp. : Displays the temperature value measured by NTC. 2) Frequency : Displays frequency measured. 4.3 Feeder Data 1) Sum current /Total active Power of a Feeder. Displays the sum of current and total active power of a feeder in the group. Example) Displays 6.5A/1230W for R : 2A/400W, S : 2.5A/430W, T : 2A/400W...
  • Page 30 2) Feeder Main Data It is the main window to show voltage, current, power, PF, current unbalance, power THD, total Energy of a feeder. 3) Feeder Vector Diagram This window displays the Vector diagram of voltage and current of a feeder. (Voltage angle is assumed as 120 degree balanced)
  • Page 31 4) Feeder Power Data This window shows total power data of a feeder. 5) Feeder Energy Data This window displays Active/Reactive/Apparent Energy of Total/This month/Last month.
  • Page 32 6) Feeder Setting Data This window is for feeder setting. Get Setting : It brings the setting data stored in Multi-GEM. SET : Stores the changed data in Multi-GEM. TYPE : Sets the system phase and wire of a Feeder. * 1P &...
  • Page 33 7) ex1) Single phase connection feeder 1 feeder 10 feeder 2 feeder 11 feeder 3 feeder 12 Ethernet CH 7 ~ 9 CH 4 ~ 6 CH 1 ~ 3 Power RS485 CH 10~12 CH 13~15 CH 16~18 Setting by the menu of [Feeder Setting]...
  • Page 34 Setting by the menu of [Monitor/Feeder Setting] feeder 1 setting feeder 2 setting feeder 3 setting feeder 10 setting feeder 11 setting feeder 12 setting...
  • Page 35 8) ex 2) Single phase connection feeder 1 feeder 2 feeder 3 feeder 4 feeder 5 feeder 6 Ethernet CH 7 ~ 9 CH 4 ~ 6 CH 1 ~ 3 Power RS485 CH 10~12 CH 13~15 CH 16~18 Setting by the menu of [Feeder Setting]...
  • Page 36 Setting by the menu of [Monitor/Feeder Setting] feeder 1 setting feeder 2 setting feeder 3 setting feeder 4 setting feeder 5 setting feeder 6 setting...
  • Page 37 9) ex3) 3P3W(2CT) connection feeder 1 feeder 2 feeder 3 Ethernet CH 7 ~ 9 CH 4 ~ 6 CH 1 ~ 3 Power RS485 CH 10~12 CH 13~15 CH 16~18 Setting by the menu of [Feeder Setting]...
  • Page 38 10) ex4) 3P3W(3CT) connection feeder 1 feeder 2 feeder 3 Ethernet CH 7 ~ 9 CH 4 ~ 6 CH 1 ~ 3 Power RS485 CH 10~12 CH 13~15 CH 16~18 Setting by the menu of [Feeder Setting]...
  • Page 39 11) ex5) 3P4W connection feeder 1 feeder 2 Ethernet CH 7 ~ 9 CH 4 ~ 6 CH 1 ~ 3 Power RS485 CH 10~12 CH 13~15 CH 16~18 Setting by the menu of [Feeder Setting]...
  • Page 40 4.4 Demand It is able to control the external DO module, if the forecast power is higher than the target power. It calculates the data below with the feeder #1 data. 1) Forecast power : The forecasted power of the last time of the demand time. The demand time is nished, it resets automatically.

  • Page 41: Settings

    5. Settings At the beginning communication, it reads all the setting data of Multi-GEM. By the icon below can be read and stored settings of Multi-GEM. By the icon below, the setting le can be read and stored in Multi-GEM. After changing all the data, Click the ->...
  • Page 42 5.2 Communication << Default Setting >> 1) Protocol : It sets the Protocol to be used. ① Standard : Standard Modbus Protocol. ② Onion : Non-standard Modbus Protocol (2 byte count expansion) 2) Device ID : It is a device ID to communicate with by Modbus. 3) IP,GW,SM : It is a setting of IP, Gateway, Subnet mask for Ethernet communication 4) Manufacture ID : It displays manufacturing year, month, day and serial no of Multi-GEM.

  • Page 43: Analog Input

    5.3 Analog Input Min/Max Temp. is activated when the 4~20mA mode is selected. 1) AI Type : It selects the temperature sensor type to Multi-GEM. ① NTC 2) Min Temp. : The temp. value at 4mA of AI. 3) Max Temp. : The temp. value at 20mA of AI. 4) Alarm Threshold : It sets a Temp., alarm level.
  • Page 44 Voltage Sag Event OFF Sag Period Deadband Sag Level Sag Level Sag Event ON Time Sag Event occurrence and reset Voltage Swell Event ON Swell Level Swell Swell Event OFF Deadband Swell Period Time Swell Event occurrence and reset...
  • Page 45 5.5 ETC 1) Current Threshold : If not setting a minimum start current as 0.1A. Starting current is displayed as “0” 2) Deadband : It sets Deadband for a Current Threshold. ex1) Current Threshold : 1A, Deadband : 10% - When the current is over 1A, it displays current, when the current is lower than 0.9A, it doesn’t display the current because the Deadband is 10%.

  • Page 46: Feeder Setting

    6. Feeder Setting It can be set the type, CT ratio for each feeder. It is deactivated except the number of the Feeder count setting. ① Existing le use. Feeder Set Icon Click -> DB File Open Click -> exiting stored le click ->After modi cation of settings, Click the DB Send icon ->...

  • Page 47: Rom Save

    6.4 Starting Current It sets the starting current for each feeder. It displays the current as “0A” if the current is lower than the setting value of 0.1A. 6.5 OC Level It sets an Overcurrent Alarm trigger Level of feeders. This setting is linked and operated with the ETC/Overcurrent delay time in the Setting window.

  • Page 48: Appendix

    APPENDIX 1. Register Map 1.1 Common Address Address Description size type scale Remark UINT16 Heart Bit Increase every 10ms year 4,16 UINT16 2013 Month 4,16 UINT16 1~12 4,16 UINT16 1~31 Day of week 4,16 UINT16 0 : sun, 1 : mon hour 4,16 UINT16...
  • Page 49 reserved Sag Year UINT16 The latest Sag time Sag Month UINT16 Sag Day UINT16 Sag Hour UINT16 Sag Minute UINT16 Sag second UINT16 Swell Year UINT16 The latest Swell time Swell Month UINT16 Swell Day UINT16 Swell Hour UINT16 Swell Minute UINT16 Swell second UINT16...
  • Page 50 Table 1. Internal Status Temp. bit 4 : Temperature Alarm (0 – normal, 1-abnormal) In case of the measured temperature keep going on be higher than the alarm setting level of 5 sec more, Alarm bit4 is triggered. bit 0 : DI (0 – open, 1-close) Multi-GEM shows the DI status at the bit 0.
  • Page 51 Voltage Sag Event OFF Sag Period Deadband Sag Level Sag Level Sag Event ON Time Sag Event occurrence and reset Voltage Swell Event ON Swell Level Swell Swell Event OFF Swell Period Deadband Time Swell Event occurrence and reset...
  • Page 52 Table 3. Feeder Status Current owing bit 3~1 : Overcurrent Alarm (0 – return to normal (reset) , 1- occurred) - When the setting current level keeps during a delay time setting, It triggers the bit. ( time unit is 1 sec ) bit 0 : Feeder current status (0 –...

  • Page 53: Voltage Input

    1.2 Voltage input Address Item Phase Description Size Type Scale Remark Phase -Neutral UINT32 Line to Line UINT32 R (L1) reserved Volt. Unbalance UINT16 Phase -Neutral UINT32 Line to Line UINT32 S (L2) reserved Volt. Unbalance UINT16 Phase -Neutral UINT32 Main Line to Line UINT32...
  • Page 54 1.3 Feeder Address Item Phase Description Size Type Scale Remark Phase voltage UINT32 Phase current UINT32 Active power INT32 Reactive power INT32 R (L1) Apparent power UINT32 Voltage unbalance UINT16 Phase angle UINT16 Power factor INT16 power THD UINT16 Phase voltage UINT32 Phase current UINT32...
  • Page 55 Current Unbalance = phase average ×100% average 1.4 Energy Address Item Description Size Type Scale Remark kWh, Ex)101 - 8022 Cumulated Active Energy UINT32 > 10.1kWh 8024 This month Active Energy UINT32 8026 Last month Active Energy UINT32 8028 Cumulated Reactive Energy UINT32 8030 This month Reactive Energy...

  • Page 56: Accessory

    2. Accessory 1. You have to use authorized CTs that used with Multi-GEM by J&D. 2. You have to use CTs certified by IEC/UL standards. 3. Meter Calibration Calibration of Multi-GEM18 A signi cant drift in calibration is unlikely. Therefore, a yearly re-calibration of meter as generally no required. Current channel and volt channel can be calibrated by quali ed site technicians, if a stable calibration source can be applied.

  • Page 57: Safety Instructions

    GUIDE It is a guide for product installation, operation, maintenance. 5. Safety instructions DANGER It can cause serious injury or death to persons if careless handling with the low and high voltage electric- ity during installation and operation of the product. Hazardous voltage always exists on the connecting terminal of PT/CT, Digital Input/Output, Control power always when it is on the power line.
  • Page 58 De nition of measurement 1) Measurement category IV is for measurements performed at the source of the low-voltage installation. 2) Measurement category III is for measurements performed in the building installation. 3) Measurement category II is for measurements performed on circuits directly connected to the low voltage installation.
  • Page 59 CAUTION Installation of the meter must be performed only by qualified personnel who follow standard safety precautions during all procedures. Those personnel should have appropriate training and experience with high voltage devices. Appropriate safety gloves, safety glasses and protective clothing are recommended. If THE EQUIPMENT IS USED IN A MANNER NOT SPECIFIED BY THE MANUFACTURER, THE PROTECTION PROVIDED BY THE EQUIPMENT MAY BE IMPAIRED.

  • Page 60: Manufacture Information

    Manufacture Information J&D Electronics Co., Ltd. B-401 Dosim Knowledge Industry center, 234 Deokso-ro, Wabu-eup, Namyangju-si, Gyeonggi-do, & Factory 472-908 South Korea +82-31-577-2280(Ex.2) +82-31-601-8098 http://www.hqsensing.com...
  • Page 61 MEMO...
  • Page 62 MEMO...

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