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Eastron SDM72D-M User Manual

Eastron SDM72D-M
16 pages
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B+G e-tech EASTRON SDM72D-M User Manual V1.5 English version
B+G e-tech GmbH www.eastron-germany.de Seite 1 von 16
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
SDM72D-M
Three Phase Four Wire Energy Meter
User Manual V1.5
2017
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Eastron SDM72D-M Specifications

General IconGeneral
ModelSDM72D-M
CategoryMeasuring Instruments
DisplayLCD
Base Current5A
Maximum Current100A
Current Rating100A
Frequency50/60Hz
Accuracy±1%
Impulse Voltage6kV
Operating Temperature-25°C to +55°C
Storage Temperature-40°C to +70°C
MountingDIN Rail
Voltage Measurement Range176V - 276V
Rated Voltage230V AC
Voltage Range176 ~ 276V AC (L-N)
Current Measurement Range0.25 - 100A
Power Consumption<2VA
Frequency Measurement Range45-65Hz
CommunicationRS485 Modbus RTU
Relative Humidity≤95% (non-condensing)
Weight0.3kg
Accuracy ClassClass 1

Summary

Part 1 Specification

General Specifications

Details on voltage, current, power consumption, frequency, and withstand ratings for the energy meter.

Part 2 Operation

Set-up Mode Configuration

Accessing Set-up Mode & Password

Details how to enter Set-up mode, including password confirmation and default password.

Configuring Modbus Parameters

Step-by-step guide to configuring Modbus address, Baud rate, and Parity settings.

Part 3 Modbus Protocol

Modbus Input Register Mapping

Details the Modbus input registers for reading electrical quantities like power and energy values.

Modbus Holding Register Functions

Explains Modbus holding registers for managing instrument configuration settings.

Key Modbus Configuration Parameters

Covers parameters like Parity/Stop, Modbus Address, and Password configuration via Modbus.

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