Why Choose the ABB Eastron SDM230-MODBUS Energy Meter?
The ABB Eastron SDM230-MODBUS is a compact and versatile single-phase direct-connected multifunction energy meter designed for accurate electrical energy measurement and remote monitoring in commercial, residential and industrial installations. Supplied under ABB order code SDM230-MODBUS, this DIN rail mounted meter combines comprehensive electrical measurement with RS-485 Modbus communication.
The SDM230-MODBUS measures active and reactive energy together with voltage, current, active power, reactive power, apparent power, power factor, frequency and maximum demand. It supports bidirectional energy measurement, allowing imported and exported active energy to be monitored independently, while its backlit LCD provides clear local access to measured values.
Designed for single-phase 230 V AC systems, the meter supports direct-connected loads up to 100 A without requiring an external current transformer. Two pulse outputs and an RS-485 Modbus RTU interface enable integration with compatible building management, energy management, AMR and SCADA systems, while its compact 2-module DIN rail housing simplifies installation in electrical distribution panels.
Key Advantages
- Compact single-phase direct-connected multifunction energy meter.
- 100 A maximum direct load eliminates external current transformers in suitable applications.
- RS-485 Modbus RTU communication for remote monitoring and system integration.
- Measures active and reactive energy together with comprehensive electrical parameters.
- Bidirectional measurement records both imported and exported energy.
- Two configurable pulse outputs for energy monitoring applications.
- Backlit LCD provides clear local viewing of measured parameters.
- Compact 2 DIN-module, 36 mm wide housing saves distribution-board space.
Key Features
- Eastron SDM230-MODBUS multifunction energy meter.
- Single-phase, two-wire direct-connected metering.
- 230 V AC rated voltage.
- 10 A rated current and 100 A maximum current.
- 50/60 Hz operating frequency.
- Measures active energy, reactive energy, active power, reactive power and apparent power.
- Measures voltage, current, power factor, frequency and maximum demand.
- Import and export energy measurement for bidirectional applications.
- Active energy accuracy to Class 1 / Class B.
- Reactive energy accuracy to Class 2.
- RS-485 interface with Modbus RTU communication.
- Modbus communication addresses from 1 to 247.
- Configurable communication speeds from 1200–38400 bps.
- Two pulse outputs for remote energy monitoring.
- Backlit LCD display for straightforward configuration and monitoring.
- Compact 36 mm wide DIN rail design.
Direct-Connected Energy Monitoring with Modbus
The Eastron SDM230-MODBUS combines direct-connected single-phase metering with comprehensive multifunction measurement. Its 100 A maximum current capability enables suitable circuits to be monitored without external current transformers, while bidirectional measurement provides separate information for imported and exported energy. This makes the meter particularly useful for conventional loads as well as solar PV, EV charging and other installations where energy may flow in both directions.
The integrated RS-485 interface supports Modbus RTU communication, allowing electrical measurements to be transferred to compatible building management, energy management, AMR and SCADA platforms. Two pulse outputs provide additional options for remote monitoring, while the compact two-module DIN rail format allows the meter to be installed efficiently in distribution boards and control panels.
Typical Applications
- Single-phase electrical energy monitoring.
- Commercial and residential distribution boards.
- Industrial energy monitoring and sub-metering.
- Solar PV import and export energy monitoring.
- EV charging energy measurement.
- Building and facility energy management systems.
- AMR and SCADA energy monitoring systems.
- Modbus-connected automation and data acquisition systems.
