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Old February 9th, 2018, 01:31 PM   #7
United States

jstolaruk is offline
Join Date: Dec 2004
Location: Detroit, SouthEast Michigan
Posts: 3,327
Originally Posted by Timeismoney08 View Post
Would the PLC need to be safety rated at that point to monitor for a stuck contactor? and would that make it control reliable as long as there is no one point of failure that could trick the system into always running?

No the safety relay should have those monitoring inputs.
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