Brand: ABB
Category: Other
Document Type: Manual
Language: EN
Manual for REM 543
Uploaded: April 20, 2026, 7:51 p.m.
Manual Publish Date: 1998-10-16
Warranty Information
No specific warranty period is mentioned in the provided pages of the manual.
The REM 543 rotating machine terminal is part of the PYRAMID® substation automation system. It offers advanced protection, monitoring, and control functions for generators and motors. Its multiprocessor architecture and digital signal processing ensure high performance, fast response times, and accuracy. The device features a graphic MMI display for local operation and communication capabilities via SPA or LON buses. It supports various application-specific libraries for protection, measurement, control, and condition monitoring. Configuration is managed through tools like the Relay Configuration Tool and Relay Mimic Editor.
Troubleshooting and error codes
| Function | Description |
|---|---|
| IRF code | Internal relay fault |
| Status | (Before reset) / (After reset) |