Omron CJ2 CPU UNIT SOFTWARE User Manual page 461

Example: Polling Unit Link Method, Highest Unit Number: 3
In the following diagram, polled unit 2 is a Unit not present in the network or a PT, so this data is
unstable in the Polling Unit.
Polling Unit
Send words
Polled Unit 0
Polled Unit 1
Unstable
Polled Unit 3
Not used.
Not used.
Not used.
Not used.
CJ2 CPU Unit Software User's Manual
11 Programming Devices and Communications
Polled Unit 0 Polled Unit 1
Polling Unit
Polling Unit
Send words Send words
Not used.
Not used.
Not used. Not used.
Not used. Not used.
Not used.
Not used.
Not used.
Not used.
Not used. Not used.
Not used. Not used.
Polled Unit 3
Polling Unit
Send words
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
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