Error Flag
ER
ON if the C data is out of range.
ON if the actual sampling period is more than twice the designated sampling period.
OFF in all other cases.
Greater ThanFlag
ON if the manipulated variable after the PID action exceeds the upper limit.
OFF in all other cases.
Less Than Flag
ON if the manipulated variable after the PID action is below the lower limit.
OFF in all other cases.
Carry Flag CY
ON
while PID control is being executed.
OFF in all other cases