![]() Read More: PLC Input Module and Output Module 2. The output module is required to connect the timer circuit. The module which interacts with the output signal is called as Output Module. Input module requires to connect to the timer circuit for providing the input signal. The module which interacts with the input signal is called as Input Module. Here are some of the basic terminologies you need to understand about timer used in the PLC. Let’s see here, the representation of the input and output timer NO and NC contact in LD programming. It has both normally open (NO) or normally closed (NC) contact. The timer instruction is used to provide programming logic and to decide when to turn on or off the circuit. Every PLC having different timer functions. ![]() You can set time-based activity with the help of the PLC programming timer instruction. With the timer, we can perform any specific operations for a particular time span.Ī timer is one of the most essential and useful entity. PLC timer is a instruction to control and operate the device for a specific duration.
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