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Eastron SDM630MCT User Manual
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Eastron SDM630MCT User Manual

Din rail energy meter for single and three phase electrical systems
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SDM630MCT 40mA User Manual V3.6
SDM630MCT
DIN Rail Energy Meter for Single and Three Phase Electrical Systems
Measures kWh kVArh, kW, kVAr, kVA, P,
F, PF, Hz, dmd, V, A, THD,etc.
Bi-directional measurement IMP & EXP
Two pulse outputs
RS485 Modbus
Din rail mounting 35mm
40mA CT connection
Better than Class 1 / B accuracy
Add:No.52, Dongjin Road, Nanhu,Jiaxing, Zhejiang, 314001, China.
40mA
USER MANUAL V3.6
www.eastrongroup.com

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Summary of Contents for Eastron SDM630MCT

  • Page 1 SDM630MCT 40mA User Manual V3.6 SDM630MCT 40mA DIN Rail Energy Meter for Single and Three Phase Electrical Systems Measures kWh kVArh, kW, kVAr, kVA, P,  F, PF, Hz, dmd, V, A, THD,etc. Bi-directional measurement IMP & EXP  Two pulse outputs ...
  • Page 2 The requisite current input(s) are obtained via current transformers(CT). SDM630MCT 40mA can be configured to work with a wide range of CTs with 40mA output,g iving the unit a wide range of operation. Built-in interfaces provides pulse and RS485 Modbus RTU outputs.
  • Page 3 SDM630MCT 40mA User Manual V3.6 Pulse output This provides two pulse outputs that clock up measured active and reactive energy. The constant for active energy is 3200imp/kWh (Terminals 11&12). The pulse width for pulse 1 (Terminals 9&10) can be set from the set-up menu.
  • Page 4 SDM630MCT 40mA User Manual V3.6 Measurements The buttons operate as follows: Selects the Voltage and Current display screens In Set-up Mode, this is the “Left” or “Back” button. Select the Frequency and Power factor display screens In Set-up Mode, this is the “Up” button Select the Power display screens In Set-up Mode, this is the “Down”...
  • Page 5 SDM630MCT 40mA User Manual V3.6 Neutral current Phase to neutral voltage THD% (3p4w) Current THD% for each phase Frequency and Power factor and Demand Each successive pressing of the button selects a new range: Frequency and Power Factor (total) Power Factor of each phase Add:No.52, Dongjin Road, Nanhu,Jiaxing, Zhejiang, 314001, China.
  • Page 6 SDM630MCT 40mA User Manual V3.6 Maximum Current Demand Maximum Power Demand Power Each successive pressing of the button select a new range: Instantaneous Active Power in kW Instantaneous Reactive Power in kVAr Instantaneous Volt-amps in KVA Add:No.52, Dongjin Road, Nanhu,Jiaxing, Zhejiang, 314001, China.
  • Page 7 SDM630MCT 40mA User Manual V3.6 Total W, VAr, VA Energy Measurements Each successive pressing of the button selects a new range: Total active energy in kWh Total reactive energy in kVArh Imported active energy in kWh Exported active energy in kWh Add:No.52, Dongjin Road, Nanhu,Jiaxing, Zhejiang, 314001, China.
  • Page 8 SDM630MCT 40mA User Manual V3.6 Imported reactive energy in kVArh Exported reactive energy in kVArh Setting Up To enter set-up mode, pressing the button for 3 seconds, until the password screen appears Setting up is password-protected so you must enter the correct password (default ‘1000’) before processing.
  • Page 9 SDM630MCT 40mA User Manual V3.6 Menu Option Selection 1) Use the buttons to select the required item from the menu. Selection does not roll over between bottom and top of list 2) Press to confirm your selection 3) If an item flashes, then it can be adjusted by the buttons.
  • Page 10 SDM630MCT 40mA User Manual V3.6 From the Set-up menu, use buttons to select the Address ID Press button to enter the selection routine. The current setting will be flashing. buttons to choose Modbus Address (001 to 247) On completion of the entry procedure, press button to confirm the setting and press button to return the main set-up menu.
  • Page 11 SDM630MCT 40mA User Manual V3.6 Press to enter the selection routine. The current setting will flash. buttons to choose Baud rate 2.4k. 4.8k, 9.6k, 19.2k, 38.4k Default is 9.6k On completion of the entry procedure, pres to confirm the setting and press to return to the main set up menu.
  • Page 12 SDM630MCT 40mA User Manual V3.6 buttons to choose Parity (EVEN / ODD/ NONE) Default is NONE. On completion of the entry procedure, press to confirm the setting and press to return to the main set up menu. Stop bits From the Set-up menu, use buttons to select the Stop Bit option.
  • Page 13 SDM630MCT 40mA User Manual V3.6 The CT option sets the primary current of the current transformer (CT) that wires to the meter. CT2 is fixed with 40mA From the Set-up menu, use buttons to select the CT primary(CT1). Its’ default 300A,and ranged from 000 5 to9999.
  • Page 14 SDM630MCT 40mA User Manual V3.6 Set PT ratios value Press to enter the PT ratio screen. The range is from 0001 to 2000. For example, if set the ratio to be 100, it means the primary voltage equals secondary voltage x Pulse output This option allows you to configure the pulse output.
  • Page 15 SDM630MCT 40mA User Manual V3.6 Pulse rate Use this to set the energy represented by each pulse. Rate can be set to 1 pulse per 0.01kWh/0.1kWh/1kWh/10kWh/100kWh/1000kWh. (It shows 1 impulse = 10kWh/kVArh) From the Set-up menu, use buttons to select the Pulse Rate option.
  • Page 16 SDM630MCT 40mA User Manual V3.6 From the Set-up menu, use buttons to select the Pulse width option. Press to enter the selection routine. The current setting will flash. buttons to choose pulse width. On completion of the entry procedure, press to confirm the setting and press to return to the main set up menu.
  • Page 17 SDM630MCT 40mA User Manual V3.6 Press to confirm the selection. SET indicator will appear. Press to exit the DIT selection routine and return to the menu. Backlit set-up The meter provides a function to set the blue backlit lasting time.
  • Page 18 SDM630MCT 40mA User Manual V3.6 Press to enter the selection routine. The current selection will flash buttons to select the required system option: 1P2(W),3P3(W) ,3P4(W) Press to confirm the selection. SET indicator will appear. Press to exit the system selection routine and return to the menu. SET will disappear...
  • Page 19 SDM630MCT 40mA User Manual V3.6 to set the first digit and press to confirm your selection. The next digit will flash. Repeat the procedure for the remaining three digits After setting the last digit, SET will show. Press to exit the number setting routine and return to the Set-up menu. SET will be remove The meter provides a function to reset the maximum demand value of current and power.
  • Page 20 SDM630MCT 40mA User Manual V3.6 Reverse connected current inputs correction set-up buttons to select page “SET sys cont” Press to enter Phase A , the default is Frd (forward) buttons to Phase B or C setting pages How to operate if phase A is reversely connected...
  • Page 21 SDM630MCT 40mA User Manual V3.6 Specifications Measured Parameters The unit can monitor and display the following parameters of a single phase two wire (1p2w), three phase three wire (3p3w) or four phase four wire (3p4w) supply. Voltage and Current Phase to neutral voltages 100 to 289V a.c. (not for 3p3w supplies) Voltages between phases 173 to 480Va.c.
  • Page 22 SDM630MCT 40mA User Manual V3.6 Reactive power (VAr) ±1% of range maximum  Apparent power (VA) ±1% of range maximum  Active energy (Wh) Class 1 IEC 62053-21  Reactive energy (VARh) Class 2 IEC62053-23  Total harmonic distortion 1% up to 31st harmonic ...
  • Page 23 SDM630MCT 40mA User Manual V3.6 Influence Quantities are variables that affect measurement errors to a minor degree. Accuracy is verified under nominal value (within the specified tolerance) of these conditions. Ambient temperature 23°C ±1°C  Input frequency 50 or 60Hz ±2% ...

  • Page 24: Installation

    SDM630MCT 40mA User Manual V3.6 Installation Three phase four wire Note: The direction of current flows from the grid to the load is positive. please ensure that the direction of CT arrow is consistent with the current www.eastrongroup.co Add:No.52, Dongjin Road, Nanhu,Jiaxing, Zhejiang, 314001, China.
  • Page 25 SDM630MCT 40mA User Manual V3.6 three phase three wire 2CT Note: The direction of current flows from the grid to the load is positive. please ensure that the direction of CT arrow is consistent with the current Add:No.52, Dongjin Road, Nanhu,Jiaxing, Zhejiang, 314001, China.
  • Page 26 SDM630MCT 40mA User Manual V3.6 Single phase two wire 1CT Note: The direction of current flows from the grid to the load is positive. please ensure that the direction of CT arrow is consistent with the current If you have any question, please feel free to contact our sales team.

  • Page 27: Product Specification

    ZHEJIANG EASTRON ELECTRONIC CO.,LTD. Product specification Product name: open and closing current transformer Product specification: ESCT-TA16 120A/40mA Main technical parameters: technical Project Symbol Project Symbol technical parameter parameter Service frequency 50Hz-60Hz Insulation strength － 500M Ω/500V/min Rated primary Power frequency and...