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Old October 21st, 2007, 06:20 PM   #14
United States

CharlesM is offline
Join Date: Aug 2005
Location: Arkansas
Posts: 1,129
There is no specific way to hard wire a PLC. It is going to be very application and plant dependent. Our opinions on this are going to vary tremendously based off of our experiences.
I agree.

I have found cases where people who don't understand PLC's have gone around them when they shouldn't. Just this last week my panel builder and I were working through a problem. He wanted to add a contact to a push button and use it break an output momentarily. This would have worked but the button was already an input to the plc. So he had the right idea just was unable to understand the plc could do it for him.
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