PRESSURE_ZONE_MON
Distribution-zone pressure envelope monitoring with excursion confirmation, depressurisation alarm and surge detection.
When to use it
Use PRESSURE_ZONE_MON when a distribution zone, district-metered area or pumped main has a pressure envelope to hold — a minimum service pressure below it and an asset-protection ceiling above it — and short hydraulic transients must not fill the alarm list.
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 | — |
| P | REAL | kPa |
| P_OK | BOOL | — |
| P_MIN | REAL | kPa |
| P_MAX | REAL | kPa |
| P_CRIT | REAL | kPa |
| HYST_KPA | REAL | kPa |
| CONF_TMO | TIME | — |
| RATE_LIM_KPA_S | REAL | kPa/s |
| RATE_TAU_S | REAL | s |
| ACK | BOOL | — |
Outputs
| Port | Type | Unit |
|---|---|---|
| OK | BOOL | — |
| P_RATE | REAL | kPa/s |
| ALM_LOW | BOOL | — |
| ALM_HIGH | BOOL | — |
| ALM_CRIT_LOW | BOOL | — |
| ALM_TRANSIENT | BOOL | — |
| ALM_P_FAULT | BOOL | — |
| ALM_CFG_ERR | BOOL | — |
IEC 61499 event interface
EI INIT, REQ·EO INITO, CNF
Validation evidence
- Tests
- 8
- Simulated scans
- 242
- 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 PRESSURE_ZONE_MON — free
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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.