FILL_VOLUME_CTRL
Net-weight fill control with coarse/fine cut-off, adaptive in-flight trim and reject on out-of-tolerance.
When to use it
Use FILL_VOLUME_CTRL when containers are filled to a target volume on a weigh cell — vials, syringes, bottles, IV bags — and each container's delivered volume has to be judged against a tolerance and rejected when it misses.
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 | — |
| REQ | BOOL | — |
| NET_WT | REAL | g |
| WT_OK | BOOL | — |
| WT_STABLE | BOOL | — |
| TARGET_ML | REAL | ml |
| TOL_PCT | REAL | % |
| DENSITY | REAL | g/ml |
| DRIBBLE_ML | REAL | ml |
| INFLIGHT_ML | REAL | ml |
| LEARN_PCT | REAL | % |
| SETTLE_T | TIME | — |
| SETTLE_TMO | TIME | — |
| FILL_TMO | TIME | — |
| REJ_PULSE_T | TIME | — |
| ACK | BOOL | — |
Outputs
| Port | Type | Unit |
|---|---|---|
| COARSE_CMD | BOOL | — |
| FINE_CMD | BOOL | — |
| FILLING | BOOL | — |
| ACTUAL_ML | REAL | ml |
| IN_SPEC | BOOL | — |
| VALID | BOOL | — |
| CNF | BOOL | — |
| REJECT | BOOL | — |
| REJ_DEMAND | BOOL | — |
| FILLS | UDINT | — |
| REJECTS | UDINT | — |
| INFLIGHT_EST_ML | REAL | ml |
| FILL_TIME_S | REAL | s |
| ALM_FILL_TMO | BOOL | — |
| ALM_SETTLE_TMO | BOOL | — |
| ALM_WT_FAULT | BOOL | — |
| ALM_CFG_ERR | BOOL | — |
| LINE_PERMIT | BOOL | — |
IEC 61499 event interface
EI INIT, REQ·EO INITO, CNF
Supervised control write
FILL_VOLUME_CTRL 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
- 9
- Simulated scans
- 109
- 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 FILL_VOLUME_CTRL — free
Create a free Ri Tech account to download the block. You get the Structured Text body, the Rockwell Add-On Instruction (.L5X), the Schneider Control Expert DFB (.XDB), PLCopen XML, the IEC 61499 function block type (.fbt) and the datasheet.
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Source is never published on this page. The implementation is released to a signed-in Ri Tech account — free of charge, but never anonymously.