Brand: ABB
Category: Power Supplies
Document Type: Installation Guide
Language: EN
Installation Guide for TPU-2000R
Uploaded: April 20, 2026, 7:55 p.m.
- The TPU-2000R unit is a transformer protection unit enclosed in a metal case.
- Installation involves examining the unit for shipping damage, performing initial setup procedures via the MMI or PC, and then physically mounting the unit.
- Initial setup includes powering up the relay, verifying unit information, checking default settings, performing a self-test, setting the unit clock, and configuring passwords.
- For units without an MMI, a PC with the ECP program is used.
- Firmware installation involves connecting the unit to a PC, running the FPI program, and following on-screen prompts to download new software.
- The unit has built-in self-testing capabilities to continuously check its operational status.
Troubleshooting and error codes
| Bit Position | Self-Test Failure | Editor Access Status |
|---|---|---|
| 0 | CPU RAM | INTERRUPT LOGGING |
| 1 | CPU EPROM | REMOTE EDIT DISABLE = 1 |
| 2 | CPU NVRAM | LOCAL EDIT DISABLED = 1 |
| 3 | CPU EEPROM | FRONT MMI EDIT ACTIVE |
| 4 | NOT USED | FRONT COMM PORT EDIT ACTIVE |
| 5 | NOT USED | REAR COMM PORT EDIT ACTIVE |
| 6 | NOT USED | REAR AUX COMM PORT EDIT ACTIVE |
| 7 | NOT USED | REAL TIME CLOCK EDITED |
| 8 | DSP ROM | PROGRAMMABLE I/O EDITED |
| 9 | DSP INTERNAL RAM | PRIMARY SET EDITED |
| 10 | DSP EXTERNAL RAM | ALTERNATE1 SETTINGS EDITED |
| 11 | DSP ANALOG/DIGITAL CONVETER | ALTERNATE2 SETTINGS EDITED |
| 12 | DSP +/-5 V POWER SUPPLY | CONFIGURATION SETTINGS EDITED |
| 13 | DSP +/-15 V POWER SUPPLY | COUNTER SETTINGS EDITED |
| 14 | DSP STALL or +5 V POWER SUPPLY | ALARM SETTINGS EDITED |
| 15 | DSP TO CPU COMMUNICATIONS | COMMUNICATIONS SETTINGS EDITED |