Program Flow Control Instructions in PLC Programming
Program Flow Control Instructions used to control the sequence in which your program is executed. Control instructions allow you to change the order in which the processor scans a ladder...
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How to use Master Control Reset (MCR) Instruction in PLC
A Master Control Reset (MCR) instruction is an output instruction. MCR instructions are always used in pair. The paired instructions cause the PLC to enable or inhibit a zone of...