Hold/Clear Function - Mitsubishi Electric MELSEC iQ-R Series User Manual

1.5

HOLD/CLEAR Function

Whether to clear or hold the transistor output status when a CPU stop error occurs, a CPU module is turned from RUN to
STOP, or the module becomes disconnected can be selected.
Standard control, heating-cooling control, mix control
The following shows the relation among the setting, error, and the operation of the CPU module.
Status
HOLD/CLEAR setting
PID continuation flag
CPU module status RUN
Stop error
Operation of the RUNSTOP
CPU module
Resetting
*1
Disconnection
*1 When the module is mounted together with a remote head module
Processing
CLEAR
Stop Continue
The temperature judgment and warning judgment are executed and the external output is executed.
The temperature judgment and warning judgment stop
and the external output is turned OFF.
The temperature judgment The temperature
and warning judgment judgment and warning
depend on the stop mode judgment are executed
setting of "Control basic and the external output
parameters" in "Application is executed.
Setting" and the external
output are turned OFF.
The module is inoperative, and does not execute external outputs.
The temperature judgment The temperature
and warning judgment judgment and warning
depend on the stop mode judgment are executed
setting of "Control basic and the external output
parameters" in "Application is executed.
Setting" and the external
output are turned OFF.
HOLD
Stop Continue
The temperature judgment The temperature
and warning judgment judgment and warning
depend on the stop mode judgment are executed
setting of "Control basic and the external output
parameters" in "Application is executed.
Setting" and the external
output are turned OFF.
The temperature judgment The temperature
and warning judgment judgment and warning
depend on the stop mode judgment are executed
setting of "Control basic and the external output
parameters" in "Application is executed.
Setting" and the external
output are turned OFF.
The temperature judgment The temperature
and warning judgment judgment and warning
depend on the stop mode judgment are executed
setting of "Control basic and the external output
parameters" in "Application is executed.
Setting" and the external
output are turned OFF.
1 FUNCTIONS
1.5 HOLD/CLEAR Function
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