To make start-stop logic you just have to write a simple program in PLC. In Electrical, it is possible to make start-stop logic with a NO start push button and NC stop push button, but in PLC you can make start-stop logic with any combination of start and stop push button.
How to Make Start Stop Logic in PLC using Different NO-NC Combination
Before we begin, let fist understand what is the meaning of PB, NO, & NC.
PB- Push Button,
NO – Normally Open,
NC – Normally Closed
1. Start PB – NO, Stop PB – NC
2. Start PB – NO, Stop PB – NO
3. Start PB – NC, Stop PB – NO
4. Start PB – NC, Stop PB – NC
So, this is how you make start-stop login in PLC using the different NO-NC combination. If you are facing any issue, you can leave your comment below.
i am not understand start,stop logic please give in detail
ReplyDeleteFateh Start and Stop logic is simple. What you want to know ?
ReplyDeletehow to program for, if output 1 is on after 5 sec delay, next output 2 with delay, next output 3 should on with delay. when 3 is on, then 1 too should on and 2 must off. how to generate logic for that?? & thanku, above examples are helpful.
ReplyDeletegreat staff
ReplyDelete