TRANSFER_TRIP_RX
Utility direct-transfer-trip receiver with selectable channel polarity, two-channel voting and heartbeat supervision that trips on loss of the link.
When to use it
Use TRANSFER_TRIP_RX when the interconnection agreement requires the utility to be able to trip the DER directly over a communications link or pilot wire, and the agreement states what happens when that link goes quiet.
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 |
|---|---|
| ENABLE | BOOL |
| DTT_A | BOOL |
| DTT_B | BOOL |
| RX_TRIP_ON_TRUE | BOOL |
| VOTE_2OO2 | BOOL |
| HB_IN | BOOL |
| HEARTBEAT_T | TIME |
| COMM_TRIP_T | TIME |
| COMM_LOSS_TRIPS | BOOL |
| DISAGREE_T | TIME |
| ACK | BOOL |
Outputs
| Port | Type |
|---|---|
| TRIP | BOOL |
| LINK_OK | BOOL |
| COMM_LOSS | BOOL |
| TRIP_SOURCE | USINT |
| RX_A | BOOL |
| RX_B | BOOL |
| ALM_CH_DISAGREE | BOOL |
IEC 61499 event interface
EI INIT, REQ·EO INITO, CNF
Supervised control write
TRANSFER_TRIP_RX 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
- 8
- Simulated scans
- 128
- 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 TRANSFER_TRIP_RX — free
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