Mitsubishi Electric QJ71LP21 Reference Manual page 65

3 SPECIFICATIONS
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2) GX Developer versions required for online module change on a remote
I/O station
To perform online module change, GX Developer Version 8.18U or
later is required.
In addition, online module change can also be performed from GX
Developer via a network.
3) Remote I/O station configuration for online module change
Online module change can be performed for Q3 B or Q3 RB main
base unit and the modules mounted on the Q6 B or Q6 RB
extension base unit.
Online module change cannot be performed for the modules mounted
on the following base units:
• Q32SB, Q33SB, or Q35SB slim type main base unit
• Q5 B extension base unit (the modules mounted on a main base
unit cannot be replaced online. However, the modules mounted on a
Q6 B extension base unit can be replaced.)
4) Control status of the remote I/O module
Online module change can be performed when a stop error has not
occurred on the remote I/O module. In addition, online module change
can be performed when an error that allows the system to continue
operation occurs.
However, if the followings occur while online module change is
performed, the online module change is suspended.
• The remote I/O module has been reset.
• A stop error has occurred.
5) Number of modules that can be replaced online
Only one module can be replaced on a remote I/O station while online
module change is performed once.
More than one module cannot be replaced simultaneously.
MELSEC-Q
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