1785-UM022B-EN-P - February 2002
Chapter
2
Planning to Use Your ControlNet PLC-5
Processor
Using This Chapter
To distinguish phase 1.5 ControlNet processors from earlier phase
processors, new catalog numbers were created for each of the phase
1.5 ControlNet processors: 1785-L20C15, 1785-L40C15, L46C15,
and 1785-L80C15.
Understanding
ControlNet I/O
The ControlNet system is designed to:
• provide high-speed, repeatable, deterministic I/O transmission
• allow control and message information to co-exist on the same
physical media
• make sure that I/O data transfers are not affected by
- programming-terminal message activity
- inter-PLC processor message activity on the network
If you want to read about: Go to page:
Understanding ControlNet I/O 2-1
Understanding Scheduled Connection Types 2-11
Understanding ControlNet I/O mapping 2-16
Using I/O Mapping Techniques 2-21
Using the ControlNet PLC-5 processor in a ControlNet I/O system 2-31
Converting from a non-ControlNet remote I/O system to a
ControlNet I/O system
2-34
Converting from ControlNet phase 1.0 or 1.25 to ControlNet
phase 1.5
2-35
You cannot mix phase 1.5 and earlier phase (such as
1.0 and 1.25) products on the same ControlNet
network.
ATTENTION
!
AB Drives
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