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Changing the Data Link Tables with Active Data Links
10-2 Changing the Data Link Tables with Active Data Links
10-2-1 Overview
Note
10-2-2 Example of Changing Data Link Table with Active Data Links
10-2-3 Operations when Changing Data Link Tables
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The data link tables can be changed and data link tables can be allocated for
newly added nodes while the system's data links are active if the following
Controller Link Units and Support Boards are used.
Models that Support Data Link Table Changes during Active Data Links
Model
CS1W-CLK21-V1,
Wired Controller Link Unit for CS-series PLCs
CS1W-CLK23
CJ1W-CLK21-V1,
Wired Controller Link Unit for CJ-series PLCs
CJ1W-CLK23
3G8F7-CLK21-E-V1,
Wired Controller Link Support Board for PCI Bus
3G8F7-CLK23-E
1. When using Controller Link Units and Support Boards that are not listed in
the above table, data link tables cannot be changed while data links are ac-
tive.
2. CX-Programmer version 3.2 must be used to change data link tables with
active data links. CX-Programmer version 3.1 or lower versions cannot be
used.
System Configuration at Startup
CS1W-RPT01
Repeater Unit
Data Link Area
The Controller Link Unit/Support Board that receives the command from the
CX-Programmer version 3.2 or higher to change a data link table with active
data links will temporarily stop refreshing data with the PLC, change to the
new data link table (data link refresh allocation) and then resume refreshing
data links.
Nodes with data link tables that are changed will send the data from immedi-
ately before the tables were changed while PLC data link refreshing is
stopped.
Remarks
System Configuration after Adding Nodes
CS1W-RPT01
Repeater Unit
Newly added nodes
Data Link Area
Without stopping the data links, the data
link tables can be changed to exchange
data link data with the new nodes.
Section 10-2
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