Shared ladder program

Ladder logic: 4 rungs with XIC, XIO, rising-edge

A runnable ladder logic program with 4 rungs using XIC, XIO, rising-edge, OTE, TOF, OTL. Open it in the free browser PLC simulator to edit, run and fork it. No install, no account.

Open a blank sandbox
RUNG 1Zone1_RunCmdZone1_SpeedOKZone1_FaultLatchZone1_ConveyorOutRUNG 2Zone1_ConveyorOutTOF Zone1_RunDown1000 msRUNG 3Zone1_RunDown.QZone1_MotorFBPZone1_FaultRiseLZone1_FaultLatchRUNG 4Zone1_FaultLatchHMI_Zone1AckZone1_RunCmdUZone1_FaultLatch
Static preview of the shared program. The live editor is below.

What's in this program

XICXIOrising-edgeOTETOFOTLOTU
  • 4 rungs

Instructions used: XIC (examine-if-closed contact (normally open)), XIO (examine-if-open contact (normally closed)), rising-edge (one-shot rising-edge contact), OTE (output energise coil), TOF (off-delay timer), 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.