Chapter 6 CPU Functions
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(b) Operation error while operating user program
Representing an error occurred during operation of user program, in case of numeric operation error,
it displays the error in error flag but the system resumes operating. However, if the operation time
exceeds by the operation monitoring time limit and I/O module does not control it normally, the system
is halted.
(c) Error detected owing to external device in trouble
Representing the detection of external device to be controlled by users program of PLC, if an error is
detected, the system is halted, but any warning may not interfere with the operation.
(1) If any trouble occurs, the trouble number is saved in a special relay F002,003.
(2) For details of flag, refer to the appendix 1 Flag List.
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