Posted 13 Nov 2017 I am using the Allen Bradley Micro 800 for the first time. I am converting an old Micrologix 1000 program. The program used the MCR function as a fault detector. If all of the faults were clear it brought in MCR. The second MCR was the last line of the program. If something went wrong the entire ladder would be nullified. Worked well. Anything like that in the Micro 800? If not I am going to have to put a "MACHINE IS READY" contact in every rung. Thanks in advance. Share this post Link to post Share on other sites