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CHAPTER 4 FUNCTIONS
4
4.2 Control Output Setting at CPU Stop Error
4.2 Control 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.
Page 299, Section 6.2
Processing for each status is describes in the following table.
*1 CH Stop mode setting (Un\G33, Un\G65, Un\G97, Un\G129) ( Page 103, Section 3.4.2 (13))
Status Processing Reference
Output Setting at CPU Stop
Error
CLEAR HOLD
Page 299,
Section 6.2
Setting of PID continuation flag
(Un\G169)
Stop Continue Stop Continue
Page 131,
Section 3.4.2 (43)
Error
Q64TCN
Write data error
Follow the operation of when an error occurs
Page 367, Section
8.6
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
Important
• 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.
Common