Product Introduction

The ABB UFC921A101 3BHE024855R0101 3BHE024856P201 is an INT-2 control interface module for ABB UNITROL excitation and industrial drive systems. It handles analog and digital signal acquisition, data processing and internal bus communication. It realizes signal interaction between main control unit and peripheral I/O boards, supports fault monitoring and signal isolation, widely used in power plant excitation cabinets and high-power drive control systems.

Content Details

UFC921A101 is rack mounted inside control cubicle. It integrates multi-channel analog inputs, analog outputs, digital inputs and digital outputs, compatible with 4-20mA, 0-10V and 24VDC signals. It communicates through ABB internal MasterBus and supports multiple optional fieldbus protocols. Front LED indicators display module running state and communication faults for fast on-site troubleshooting. Industrial multilayer PCB design provides strong anti-interference ability against vibration and electromagnetic noise. It is important spare part for UNITROL excitation system maintenance and retrofit. Each unit passes full function test and thermal aging test before shipment.

Tags: UFC921A101 3BHE024855R0101 3BHE024856P201

ABB CI546 3BSE012545R1 S100 I/

ABB UCD240A101 3BHE022287R0101

ABB UCD224A103 3BHE023681R0103

ABB DSSR122 48990001-NK DC-DC