28 LABELS
28.7 Label Access Setting from External Device
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28
The Process CPU with the firmware version "28" or later controls global labels in the global label settings by
block.
One global label setting is shown as one block as below.
Set the global label setting for each label used with GOT in units of blocks.
When "Perform the label name resolution in global label block unit" is selected in the GT Designer3 setting,
the label name resolution after online change is processed efficiently. However, during online change that
involves addition of blocks, label names are resolved collectively, not in units of blocks.
For the GT Designer3 setting, refer to the following.
GT Designer3 (GOT2000) Screen Design Manual
The following shows an example of access to three GOT units.
• "Global": Global label setting that compiles labels accessed from multiple GOTs (GOT to GOT)
• "Global1": Global label setting that compiles labels accessed from GOT
• "Global2": Global label setting that compiles labels accessed from GOT
• "Global3": Global label setting that compiles labels accessed from GOT
In this case, because global labels in each global label setting are accessed in units of blocks, the number of
times of updating label communication data from GOT decreases.
In redundant mode, select "Control System/Standby System", "System A/System B", or "Not Specified" to start
communications with a global label name specified.
Global label block
Navigation window
1 block
1 block
1 block
GOT
Ò
GOT
Ó
GOT
Ô
Global
Global1
Global2
Global3
Ethernet
Engineering tool
CPU module
Global label setting of
each block
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