ABB_REM615_MPR
Motor protection combining an IEC 60255-149 thermal replica with negative-sequence heating and ambient bias, separate start-stall and running-stall timers, and an I2-squared-t unbalance element.
When to use it
Use ABB_REM615_MPR when a squirrel-cage motor needs thermal overload protection that remembers stored heat between starts, stall protection that distinguishes a long start from a locked rotor, and unbalance protection against a lost phase — and a restart inhibit that keeps the motor off until it has cooled.
Interface
The published port signature. This is the whole of what the block exposes to your program — the implementation body is not shown here and ships with the download.
Inputs
| Port | Type | Unit |
|---|---|---|
| Ia | REAL | A |
| Ib | REAL | A |
| Ic | REAL | A |
| I2 | REAL | A |
| thRise | REAL | K |
| I_RATED | REAL | A |
| K_OL | REAL | xIrated |
| K_NPS | REAL | - |
| TAU_RUN | TIME | — |
| TAU_STOP | TIME | — |
| TREF | REAL | K |
| TH_ALM | REAL | 0-1 |
| TH_RST | REAL | 0-1 |
| I2PU | REAL | xIrated |
| K46 | REAL | s |
| TRESET | TIME | — |
| LR_PU | REAL | xIrated |
| T_START_MAX | TIME | — |
| T_STALL | TIME | — |
| I_RUN | REAL | xIrated |
| START_M | BOOL | — |
| BLK | BOOL | — |
| ENABLE | BOOL | — |
| CT_OK | BOOL | — |
| ACK | BOOL | — |
Outputs
| Port | Type | Unit |
|---|---|---|
| TRIP | BOOL | — |
| thermal | REAL | 0-1 |
| locked | BOOL | — |
| TRIP_TH | BOOL | — |
| TRIP_UNBAL | BOOL | — |
| ALM_TH | BOOL | — |
| RESTART_INH | BOOL | — |
| STARTING | BOOL | — |
| RUNNING | BOOL | — |
| TOP_UNBAL | TIME | — |
| DISC_UNBAL | REAL | 0-1 |
| BLOCKED | BOOL | — |
| VALID | BOOL | — |
| ALM_MEAS_FAULT | BOOL | — |
| ALM_CFG_ERR | BOOL | — |
Supervised control write
ABB_REM615_MPR commands a real actuator. It is written to sit underneath your own interlock, permissive and protection logic — not to replace it. Commission it as you would any control block you wrote yourself.
Validation evidence
- Tests
- 14
- Simulated scans
- 699
- Simulator
- v0.1.0
Complete IEC 61131-3 implementation with a published test suite that runs on the vplant simulator. The counts above are that suite, executed on this build.
- Conforms to IEC 61131-3
Download ABB_REM615_MPR — free
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