Eastron SDM72D-M User Manual
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Eastron SDM72D-M User Manual

Eastron SDM72D-M User Manual

Three phase four wire energy meter
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Eastron SDM72D-M User Manual V1.5
SDM72D-M
Three Phase Four Wire Energy Meter
Zhejiang Eastron Electronic Co.,Ltd.
Address: No.1369 Chengnan Road, Jiaxing, Zhejiang, 314001, China.
Measures active kWh & W.
Resettable partial energy
Bi-directional measurement IMP & EXP
Pulse Output
RS485 Modbus
Din rail mounting 35mm
Direct connection, up to 100A
Better than Class 1/ B accuracy
Tel: 0086-573-83698881 83698882
Fax: 0086-573-83698883
Web:
www.eastron.com.cn
User Manual V1.3
2017
Email: sales@eastrongroup.com
- 1 -

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Summary of Contents for Eastron SDM72D-M

  • Page 1 Eastron SDM72D-M User Manual V1.5 SDM72D-M Three Phase Four Wire Energy Meter Measures active kWh & W.  Resettable partial energy  Bi-directional measurement IMP & EXP  Pulse Output  RS485 Modbus  Din rail mounting 35mm  Direct connection, up to 100A ...

  • Page 2: Specification

    Eastron SDM72D-M User Manual V1.5 Introduction The SDM72D-M is digital three phase 4 wire energy meter with a white back-lighted LCD screen for perfect reading. The unit measures and displays active energy (kWh) and power ( W), imported and exported. A resettable partial energy is provided, so the user can easily check the energy imported and energy exported during a certain period.

  • Page 3: Operation

    Eastron SDM72D-M User Manual V1.5 Pulse output The unit provides pulse output for active kWh. The Pulse output is passive type. The pulse out is fixed up with total kWh. The constant is 1000imp/kWh. RS485 Output for Modbus RTU For Modbus RTU, the following RS485 communication parameters can be configured from the Set-up menu:...
  • Page 4 Eastron SDM72D-M User Manual V1.5 Full Screen Software Version Pulse constant Total active energy(kWh) Total=Import+ Export Max read: 999999.9 kWh Buttons function There are two buttons on the front panel. >Scroll the display for data checking. >Changing option at Set-up mode >Exit the Set-up mode...
  • Page 5 Eastron SDM72D-M User Manual V1.5 Total active energy(kWh) Total=Import+ Export import energy export energy Total partial energy(kWh) Total=Import+ Export Import partial energy export partial energy Total active power Zhejiang Eastron Electronic Co.,Ltd. Tel: 0086-573-83698881 83698882 Fax: 0086-573-83698883 - 5 - Address: No.1369 Chengnan Road, Jiaxing, Zhejiang, 314001, China.
  • Page 6 Eastron SDM72D-M User Manual V1.5 Import active power Export active power Pulse constant Modbus Address Baud Rate Parity Zhejiang Eastron Electronic Co.,Ltd. Tel: 0086-573-83698881 83698882 Fax: 0086-573-83698883 - 6 - Address: No.1369 Chengnan Road, Jiaxing, Zhejiang, 314001, China. Web: www.eastron.com.cn...
  • Page 7 Eastron SDM72D-M User Manual V1.5 Set-up Mode To get into Set-up Mode, the user need press the “Enter” button for 3 seconds. Page Display Descriptions Password To get into Set-up mode, it asks a password confirmation. Default password: 1000 to enter correct password.
  • Page 8 Eastron SDM72D-M User Manual V1.5 will flash, use to enter the new password. The range is from 0001 to 9999. Keep press for 3s to confirm the selection. Keep pressing button to exit the set-up mold. Wiring diagram 3 phase 4 wire 2 phase 3 wire Zhejiang Eastron Electronic Co.,Ltd.
  • Page 9 Eastron SDM72D-M User Manual V1.5 Dimensions Installation Zhejiang Eastron Electronic Co.,Ltd. Tel: 0086-573-83698881 83698882 Fax: 0086-573-83698883 - 9 - Address: No.1369 Chengnan Road, Jiaxing, Zhejiang, 314001, China. Web: www.eastron.com.cn Email: sales@eastrongroup.com...

  • Page 10: Modbus Protocol

    Eastron SDM72D-M User Manual V1.5 PART 3 Modbus Protocol Input Registers Input registers are used to indicate the present values of the measured and calculated electrical quantities. Each parameter is held in two consecutive 16 big register. The following table details the 3X register address, and the values of the the address bytes within the message.
  • Page 11 Eastron SDM72D-M User Manual V1.5 Modbus Protocol Start Address Hex Address Parameter Parameter High Byte Low Byte Register Number Valid range Mode Write the network port parity/stop bits for MODBUS Protocol, where: 0 = One stop bit and no parity, default.
  • Page 12 Eastron SDM72D-M User Manual V1.5 Zhejiang Eastron Electronic Co.,Ltd. Tel: 0086-573-83698881 83698882 Fax: 0086-573-83698883 - 12 - Address: No.1369 Chengnan Road, Jiaxing, Zhejiang, 314001, China. Web: www.eastron.com.cn Email: sales@eastrongroup.com...

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