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It enables distributed I/O configurations by extending the system’s reach up to 700 feet from the CPU
Ease of Integration: Compatible with Foxboro control systems and third-party devices
Wiring: Connected to the terminal of the I/O Module Nest with M4 screws
Communication Protocols: Compatible with Modbus and other industrial standards
4–20 mA (analog)
ABB REF543 Feeder Protection Terminal Expansion Processor Module It enables distributed I/O configurationsDescription The ABB REF543 is a multifunctional feeder protection and control terminal designed for medium voltage networks. It provides comprehensive protection, measurement, control, and monitoring functions for various switchgear configurations including single and double busbar systems. Specifications Model Number: REF543 Application: Feeder protection in medium voltage substations Supported Protocols: DNP3. 0, Modbus, IEC 61850, Profibus DPV1,