Omron C200H-PID01 Operation Manual page 61

Error Detection
Duplicate I/O Unit
Special I/O Unit Error
RUN Indicator Unlit
No Data Setting Console
Display
The RUN indicator turns off when an EEPROM error occurs.
The Unit number duplicates the number of another Special I/O Unit. The SR bit
25415 turns ON when an Duplicate I/O Unit error occurs. Refer to AR0000 to
AR0011 for the duplicated Unit number. The C200H PC will not operate during a
duplicate I/O error.
Set the Unit number to a separate number.
I/O refresh not operating correctly between the CPU Unit and PID Unit. The PID
Control Unit is operating based on the contents of the previous refresh. Refer to
AR0000 to AR0015 for the Unit number where the error occurred. After correct-
ing the cause of the error, set the Special I/O Unit Restart Flag (AR0100 to
AR0109) to restart operation.
The C200H power supply is turned on but the RUN indicator is not lit. None of the
errors described previously are detected. Replace the Unit.
No 24-VDC power supply is connected to the PID Control Unit input terminals
A8 and A9.
The connecting cable is disconnected.
The connecting cable is broken.
A circuit in the Data Setting Console is defective.
A circuit in the PID Control Unit is defective.
After determining the cause of the error, correct the problem or replace the Unit.
Section 5
53