To demonstrate the MCR zone logic, we configure the two rungs between the MCRs, each with an output coil configured for one of the two motor outputs.
We add one normally open and one normally closed contact to the input side of the first rung so that the MCR is disabled when either of two safety conditions exists.
First, if the E-STOP is pressed, we want to de-energize all outputs. Also, if conditions such as a box jam or motor failure are detected, we want to trigger a Process Stop, which should also disable the outputs in the MCR zone.
We add the E-STOP input to an XIC instruction since its state is normally energized, and we add the Process Stop to an XIO instruction since its state is normally de-energized.