1. A method comprising: providing a signal indicative of a set single bit flag, said flag set for a first scan cycle responsive to a detection of a fault in an Input/Output (I/O) device of a programmable logic controller (PLC) system or an I/O interface of said PLC system, said flag promptly reset at a conclusion of said first scan cycle, and, responsive to a determination that said fault has been cleared, said flag set for a second scan cycle, said flag promptly reset at a conclusion of said second scan cycle.