ABB HESG448230R1/G 216EA61B REG 216 Analogue I/P Unit

ABB HESG448230R1/G 216EA61B is an analogue input unit designed for the RE. 216 digital protection and control system. The unit receives analogue measured variables from the 216GW61 input transformer module, digitises them via an A/D converter, and transfers the digitised signal data to the system's B448C parallel bus.

Overview and System Integration

The module functions as a core measurement acquisition unit within the RE. 216 hardware architecture. Operating with an internal supply voltage of 5 V derived from the rack's main 24 V DC auxiliary supply, the ABB HESG448230R1/G 216EA61B processes analogue input voltages ranging from -40 V to +40 V. Digitised measurement channels are subsequently assigned to active protection and control functions stored within the processing unit via the user interface software.

Features

• Designed for integration within the RE. 216 system equipment rack.
• Accepts voltage inputs from primary matching instrument transformer modules.
• Integrated microprocessor-based preprocessing for measured analogue variables.
• Front-panel status indication LEDs for diagnostic and operational monitoring.
• Front-accessible PASSIVE and RESET shorting pin sockets for hardware control.
• High-density bus interface connecting directly to the rear B448C parallel bus.

Applications

• Digital generator protection systems (REG 216 / REG 216 Compact).
• Digital control and data acquisition units (REC 216) in medium and high-voltage substations.
• Signal conditioning and A/D conversion for primary system current and voltage measurement circuits.

Technical Specifications

Connections/Interfaces

Installation Guidelines

• Power Interruption: The module must only be inserted into or removed from the equipment rack when the auxiliary power supply is completely switched off.
• Rack Mounting: Fits into standard slots reserved for analogue input units within the 216MB66 equipment rack.
• System Cabling: Interfacing with the matching input transformer module (e.g., 216GW61) is accomplished using the designated standard system cables connected to the rear connector positions.
• Configuration: Measuring channels are mapped to active protection functions using a PC-based user program connected to the processor unit's RS-232/RS-423 front interface.