LEVEL_RADAR
Non-contact radar level conditioning with distance-mode conversion, echo-loss hold, slew limiting and NAMUR signal supervision.
When to use it
Use LEVEL_RADAR when a non-contact radar gauge measures level in a wet well, reservoir, storm tank or sludge holding tank, and brief echo losses from foam, turbulence or a passing scraper must not propagate into the control logic as a level step.
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 | — |
| RAW_MA | REAL | mA |
| LRV | REAL | m |
| URV | REAL | m |
| DIST_MODE | BOOL | — |
| REF_HEIGHT_M | REAL | m |
| ECHO_IN | BOOL | — |
| HOLD_TMO | TIME | — |
| MAX_RATE_M_S | REAL | m/s |
| ACK | BOOL | — |
Outputs
| Port | Type | Unit |
|---|---|---|
| LEVEL | REAL | m |
| LEVEL_PCT | REAL | % |
| ECHO_OK | BOOL | — |
| VALID | BOOL | — |
| HOLDING | BOOL | — |
| ALM_ECHO_LOST | BOOL | — |
| ALM_SIG_FAULT | BOOL | — |
| ALM_SLEW_LIM | BOOL | — |
| ALM_CFG_ERR | BOOL | — |
IEC 61499 event interface
EI INIT, REQ·EO INITO, CNF
Validation evidence
- Tests
- 9
- Simulated scans
- 397
- 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 LEVEL_RADAR — 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.