需求
“Create three ladder rungs to run conveyor 2 when auto mode and E-stop OK are true and CV2 is clear, run conveyor 1 only after conveyor 2, and latch either jam alarm.”
接著試試Add a start pushbutton.Add an alarm reset.
Three-rung ladder logic for a downstream-first conveyor start sequence with jam permissives and an alarm latch.
“Create three ladder rungs to run conveyor 2 when auto mode and E-stop OK are true and CV2 is clear, run conveyor 1 only after conveyor 2, and latch either jam alarm.”