▶️ PLC Timer Explanation

Timers in Codesys – Timer ON, Timer OFF, Pulse Timer

Codesys is a widely used platform in industrial automation systems. Learn the timers in Codesys which are Timer ON, Timer OFF, Pulse Timer.

One of the most common instructions used in PLC logic is a timer. The basic types of timers in Studio 5000 are TON, TOF, and RTO.

When the stove is ON, the exhaust fan control logic will be activated and then remain ON for 1 minute even after the stove is OFF.

In the PLC timer application for security camera recording, when motion is detected then camera starts recording and lights also turn on.

In this article, you will learn the PLC programming example on timers function block using switch and lamps.

This article discusses about OFF delay timer instruction and its working principle using Allen Bradley Programmable Logic Controller (PLC) Ladder

This article discusses about ON delay timer instruction and its working principle using Allen Bradley Programmable Logic Controller (PLC) Ladder

A timer is a PLC instruction measuring the amount of time elapsed following an event. Timer instructions come in two