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CHAPTER 4 FUNCTIONS

4.2  C

ontrol Output Setting at CPU Stop

 Error

  

When a stop error occurs on the CPU module or when CPU's status is changed from RUN to STOP, whether to hold or 
clear the status of transistor output can be selected using this function. 
Configure "Output Setting at CPU Stop Error" on Switch Setting.
For details on the setting method, refer to the following.

Processing for each status is describes in the following table.

*1

CH Stop mode setting (Un\G33, Un\G65, Un\G97, Un\G129) (

Error

Q64TCN
Write data error

 Follow the operation of when an error occurs

Q64TCN
Hardware error

Depends on the symptom of the hardware



CPU
Stop error

Stops the operation and turns off 
external output

Follows the stop 

mode setting

*1

Stops the 
operation and 
performs 
external output



CPU 
operation

RUN 

STOP

Follows the stop 

mode setting

*1

Stops the 
operation and 
performs 
external output

Follows the stop 

mode setting

*1

Stops the 
operation and 
performs 
external output



Resetting

The module is incapable to operate, and not performs external output



• Fully pay attention to the setting of PID continuation flag (Un\G169) which controls external output.
• By the failure of an output element or internal circuit, an abnormal output may occur. Construct a circuit to monitor output signals that 

could cause a serious accident.