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Home Article PLC S7-200 Tips : How to Create Off-Delay Timers, Pulse Timers, and Extended Pulse Timers

S7-200 Tips : How to Create Off-Delay Timers, Pulse Timers, and Extended Pulse Timers

This program example shows how to use the integrated On-Delay Timers to generate an off-delay timer, a pulse timer, or an extended pulse timer. 
For the off-delay timer, the output signal at Q0.0 stays set for a specified time (in this case, 5 s) after the input signal at I0.0 goes off. 
The pulse signal at Q0.1 is on for a specified time after the input signal at I0.1 is set. If input I0.1 is reset before the pulse timer has run out, the pulse signal at output Q0.1 is also reset.

The extended pulse timer always leaves the output signal at Q0.2 active for the preset time once the input I0.2 has been set, even if the input is reset during that time

Download Program Example


 


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