PLC timers

Select a delay, pulse, or accumulated-time function and inspect its current state.

• Iton() — (On Delay Timer) Returns true only after the condition has remained ON for a specified time.
• Itof() — (Off Delay Timer) Returns false after the specified time has elapsed since the condition turned OFF.
• Itpl() — (Pulse Timer) Returns true for the preset time starting when the condition turns ON.
• Itmon() — (Monostable Timer) outputs a pulse whose duration is not extended by another input during operation.
• Itmr() — (Retentive Timer) accumulates the time the condition is ON and clears it with the Reset input.

• IgetTime() — Returns the current elapsed time of the specified timer.
• IgetState() — Returns the current output state of the specified timer.

← Built-in function list