BOOL
Operation error (non-hold)
The flag turns to TRUE when an operation error occurs. It turns to FALSE at the beginning of a new scan or when the cause of the error has been removed.
The value in the data register changes each time a new operation error occurs.
FP7:
The number of the program block at which the operation error occurred can be evaluated using sys_iOperationErrorProgramBlockNumberNonHold. The number of the program step at which the operation error occurred can be evaluated using sys_diOperationErrorStepNonHold.
All other PLCs:
The number of the program step at which the operation error occurred can be evaluated using sys_iOperationErrorStepNonHold.