Shared ladder program

Ladder logic: 3 rungs with XIC, rising-edge, CTU

A runnable ladder logic program with 3 rungs using XIC, rising-edge, CTU, OTL, OTU. Open it in the free browser PLC simulator to edit, run and fork it. No install, no account.

Open a blank sandbox
RUNG 1ET200SP_Slot3_CommFaultPET200SP_Slot3_FaultRiseCTU PN_FaultLog.OccurrenceCountPRE 32767RUNG 2ET200SP_Slot3_FaultRiseLPN_FaultLog.FaultActiveRUNG 3PN_FaultLog.FaultA…HMI_FaultAckET200SP_Slot3_CommFaultUPN_FaultLog.FaultActive
Static preview of the shared program. The live editor is below.

What's in this program

XICrising-edgeCTUOTLOTU
  • 3 rungs

Instructions used: XIC (examine-if-closed contact (normally open)), rising-edge (one-shot rising-edge contact), CTU (count-up counter), OTL (output latch coil), OTU (output unlatch coil).

Edit & run it live

Loading the interactive editor…

More example programs

Want to build your own? Open the free ladder logic sandbox.