Mitsubishi Electric Q26UD(E)HCPU User Manual page 269

(d) Control status of CPU module
A module can be changed online when a stop error does not occur.
The following table describes whether a module can be changed online or not depending on the control status
of the CPU module.
Control status
Whether online module
change can be executed
or not
*1 Including the case where a continue error has occurred in the RUN status.
An online module change can be continued even when the CPU module is set to the STOP or PAUSE status
during the operation. In either of the following cases, however, online module change cannot be continued.
• When the CPU module is reset
• When a stop error occurs
(e) Number of modules that can be changed online
The number of modules that can be changed online at one time is one for each CPU module.
Multiple modules cannot be changed simultaneously.
CHAPTER 14 MODULE CHANGE DURING SYSTEM OPERATION
*1
STOP status
RUN status
Can be executed Can be executed
PAUSE status At stop error
Can be executed Cannot be executed
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