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ABB REM543 Machine Protection Terminal  

1. Key Parameters

• Product Model: REM543
• Product Series: ABB REM-Series Machine Protection Terminals (Critical Equipment Safeguard)
• Core Function: Monitors current, voltage, temperature, and vibration; provides overload, short-circuit, and under-voltage protection; supports Modbus TCP/RTU; DIN rail mounting; compatible with ABB 800xA DCS.

2. Core Features

• Multi-Parameter Protection: Integrates current, voltage, and environmental monitoring (vibration/temperature) to cover all key equipment failure risks.
• High-Precision Measurement: ±0.2% FS accuracy ensures reliable fault detection, avoiding false triggers or missed hazards.
• Network Integration: Modbus TCP/RTU enables remote monitoring via ABB 800xA, reducing on-site inspection needs.
• Industrial Durability: -25℃~+70℃ range and robust housing withstand harsh industrial conditions (dust, vibration).

3. Application Fields

• Power Plants: Protects generator auxiliary motors and transformers from overload/voltage anomalies.
• Manufacturing: Safeguards large production line motors (e.g., rolling mill drives) against mechanical/v electrical faults.
• Heavy Industry: Monitors fan/compressor vibration and temperature in mining/cement plants.

4. Precautions

• Compatibility: Use with ABB-approved monitoring sensors and 800xA DCS—avoid mismatched input signals.
• Installation: Calibrate inputs before use; separate power/control wiring to reduce EMI; ground to system earth (≤0.1Ω).
• Maintenance: Verify protection settings quarterly; calibrate measurements annually; replace if fault detection latency exceeds 100ms.
• Spare Parts: Use genuine ABB REM543 units—non-genuine terminals may compromise protection reliability

The structure and details of the product：

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