Service manual

MASTER ENCLOSURE COMPONENTS (DOOR):
PLC (Programmable Logic Controller) – “Computer” that provides logic to the entire
system, controlling all inputs and outputs, and networking with all other posts in the
system. The orange strip is all the Inputs and the black strip is all the outputs.
Communications are branched off the bottom of the PLC to both sides of the box to
allow connectivity to other PLC’s in the system.