RECIPE_PARAM_LOAD
Loads an approved recipe parameter set, seals a fingerprint of it, and detects any change to the loaded values afterwards.
When to use it
Use RECIPE_PARAM_LOAD when recipe parameters are written into the controller from a recipe-management system or an HMI, and the executing batch must be able to show that the values it ran on are the approved ones and were not altered mid-batch.
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 |
|---|---|---|
| RECIPE_ID | STRING | — |
| VERSION | STRING | — |
| ENABLE | BOOL | — |
| REQ | BOOL | — |
| APPROVED | BOOL | — |
| N_PARAMS | USINT | — |
| P1 | REAL | eu |
| P2 | REAL | eu |
| P3 | REAL | eu |
| P4 | REAL | eu |
| P5 | REAL | eu |
| P6 | REAL | eu |
| ACK | BOOL | — |
Outputs
| Port | Type |
|---|---|
| PARAM_HASH | STRING |
| LOADED_OK | BOOL |
| VALID | BOOL |
| SEALED_CHK | DINT |
| LIVE_CHK | DINT |
| N_LOADED | USINT |
| FAIL | BOOL |
| ALM_NOT_ENABLED | BOOL |
| ALM_ID_MISSING | BOOL |
| ALM_NOT_APPROVED | BOOL |
| ALM_PARAM_CHANGED | BOOL |
| ALM_PARAM_RANGE | BOOL |
| ALM_CFG_ERR | BOOL |
Validation evidence
- Tests
- 10
- Simulated scans
- 42
- 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
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