Brand: ABB
Category: Power Supplies
Document Type: Manual
Language: EN
Manual for REL 501*2.5
Uploaded: April 20, 2026, 7:43 p.m.
Manual Publish Date: 2003-11-01
The operator's manual for the ABB REL 501*2.5 provides guidance on its operation and use. It details how to perform common tasks, understand the Human Machine Interface (HMI), handle disturbances by viewing summaries, indications, and calculating fault distances. It also covers viewing service reports, clearing counters, and checking the terminal unit status, including identifying internal failures and the terminal's identity. The manual emphasizes safety procedures and provides a comprehensive overview of the device's functionality from an operator's perspective.
Troubleshooting and error codes
| Indicated result | Possible reason | Proposed action |
|---|---|---|
| InternFail = OK | No problem detected. | None. |
| InternFail = Fail | A failure has occurred. | Check the rest of the indicated results to find the fault. |
| InternWarning = OK | No problem detected. | None. |
| InternWarning = Warning | A warning has been issued. | Check the rest of the indicated results to find the fault. |
| MPM-modFail = OK | No problem detected. | None. |
| MPM-modFail = Fail | The main processing module has failed. | Contact your ABB representative for service. |
| MPM-modWarning = OK | No problem detected. | None. |
| MPM-modWarning = Warning | There is a problem with: the real time clock. the time synchronization. | Set the clock. If the problem persists, contact your ABB representative for service. |
| ADC-module = OK | No problem detected. | None. |
| ADC-module = Fail | The A/D conversion module has failed. | Contact your ABB representative for service. |
| Slot04BIM1 = Fail | I/O module has failed. | Check that the I/O module has been configured and connected to the IOP1- block. If the problem persists, contact your ABB representative for service. |
| RealTimeClock = OK | No problem detected. | None. |
| Real Time Clock = Warning | The real time clock has been reset. | Set the clock. |
| TimeSync = OK | No problem detected. | None. |
| TimeSync = Warning | No time synchronization. | Check the synchronization source for problems. If the problem persists, contact your ABB representative for service. |