BLANCHER_CTRL
Blancher bath temperature control with dwell proving and an infeed permit that drops on under-temperature.
When to use it
Use BLANCHER_CTRL when a steam or hot-water blancher holds a bath at temperature for a fixed product dwell, and product must not be fed into a bath that is below temperature.
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 |
|---|---|---|
| ENABLE | BOOL | — |
| T | REAL | °C |
| TEMP_OK | BOOL | — |
| SP | REAL | °C |
| KP | REAL | %/K |
| TI | REAL | s |
| DWELL | TIME | — |
| DEV_K | REAL | K |
| INFEED_RUN | BOOL | — |
| ACK | BOOL | — |
Outputs
| Port | Type | Unit |
|---|---|---|
| STEAM_PCT | REAL | % |
| AT_TEMP | BOOL | — |
| DWELL_MET | BOOL | — |
| INFEED_PERMIT | BOOL | — |
| ALM_UNDER_TEMP | BOOL | — |
| ALM_TEMP_FAULT | BOOL | — |
| UNDER_TEMP_S | REAL | s |
IEC 61499 event interface
EI INIT, REQ·EO INITO, CNF
Validation evidence
- Tests
- 9
- Simulated scans
- 214
- 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
- Conforms to IEC 61499
Download BLANCHER_CTRL — free
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