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MELSEC-Q
3 SPECIFICATIONS
(b) Restrictions online module change operation
The following operations cannot be performed while online module change
is performed.
1) Issue an online module change request from more than one GX
Developer to a remote I/O module.
2) Write parameters in the remote I/O module being replaced online.
POINT
If an online module change request is issued from other GX Developer to a remote
I/O module being replaced online, the message below is displayed. Confirm the
message, and select "Yes" or "No."
• When "Yes" is selected
The operation of online module change is switched to GX Developer (2), which
issued the request latter. (Operation is continued from the status before
switching.)
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71
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24
Continue the online
module change
GX Developer
1)
Online module change is
being executed
Cancel the execution of the online
module change
GX Developer
2)
• When "No" is selected
The operation of online module change (GX Developer (2)), which was the latter
request, is canceled. (The online module change being executed first (GX
Developer (1)) is continued.)
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72
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71
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Cancel the online module
change
GX Developer
1)
Continue the online module
change
GX Developer
2)