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B+G e-tech EASTRON SDM72D-M User Manual V1.5
SDM72D-M
Three Phase Four Wire Energy Meter
User Manual V1.5
B+G e-tech GmbH
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
www.eastron-germany.de
English version
2017
Seite 1 von 16
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Summary of Contents for Eastron SDM72D-M
- Page 1 B+G e-tech EASTRON SDM72D-M User Manual V1.5 English version 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 ...
- Page 2 B+G e-tech EASTRON SDM72D-M User Manual V1.5 English version B+G e-tech GmbH www.eastron-germany.de Seite 2 von 16...
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Page 3: Specification
English version 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 4 B+G e-tech EASTRON SDM72D-M User Manual V1.5 English version Unit Characteristics The Unit can measure and display: Power Active energy imported and exported Pulse output indicates real-time energy measurement. An RS485 output allows remote monitoring from another display or a computer.
- Page 5 B+G e-tech EASTRON SDM72D-M User Manual V1.5 English version Environment Operating temperature -25℃ to +55℃ Storage and transportation temperature -40℃ to +70℃ Reference temperature 23℃±2℃ Relative humidity 0 to 95%, non-condensing Altitude up to 3000m Warm up time Installation category...
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Page 6: Operation
B+G e-tech EASTRON SDM72D-M User Manual V1.5 English version PART 2 Operation Initialization Display When it is powered on, the meter will initialize and do self-checking. Full Screen Software Version Pulse constant Total active energy(kWh) Total=Import+ Export Max read: 999999.9 kWh B+G e-tech GmbH www.eastron-germany.de... - Page 7 B+G e-tech EASTRON SDM72D-M User Manual V1.5 English version 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 >Set-up mode entry >Confirmation Scroll display After initialization and self-checking program, the meter display the measured values.
- Page 8 B+G e-tech EASTRON SDM72D-M User Manual V1.5 English version Total partial energy(kWh) Total=Import+ Export Import partial energy export partial energy Total active power Import active power Export active power Pulse constant B+G e-tech GmbH www.eastron-germany.de Seite 8 von 16...
- Page 9 B+G e-tech EASTRON SDM72D-M User Manual V1.5 English version Modbus Address Baud Rate Parity B+G e-tech GmbH www.eastron-germany.de Seite 9 von 16...
- Page 10 B+G e-tech EASTRON SDM72D-M User Manual V1.5 English version 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 11 B+G e-tech EASTRON SDM72D-M User Manual V1.5 English version Keep press for 3s to confirm the selection. to select the Password option. Keep pressing for 3 seconds, the current selection will flash, use to enter the new password. The range is from 0001 to 9999.
- Page 12 B+G e-tech EASTRON SDM72D-M User Manual V1.5 English version Wiring diagram 3 phase 4 wire 2 phase 3 wire B+G e-tech GmbH www.eastron-germany.de Seite 12 von 16...
- Page 13 B+G e-tech EASTRON SDM72D-M User Manual V1.5 English version Dimensions Installation B+G e-tech GmbH www.eastron-germany.de Seite 13 von 16...
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Page 14: Modbus Protocol
B+G e-tech EASTRON SDM72D-M User Manual V1.5 English version 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 15 B+G e-tech EASTRON SDM72D-M User Manual V1.5 English version Holding Registers Holding register are used to store and display instrument configuration settings. All holding registers not listed in the table below should be considered as reserved for manufacturer use and no attempt should be made to modify their values.
- Page 16 B+G e-tech EASTRON SDM72D-M User Manual V1.5 English version Data Format : Float Write the network port baud rate for MODBUS Protocol, where: 0 = 2400 baud. 1 = 4800 baud. 40029 Network Baud Rate 2 = 9600 baud ( default).