1 Publication 1756-UM514B-EN-P - February 2003
Chapter
10
Connecting a ControlLogix Controller
to Remote I/O
What This Chapter Contains
This chapter describes how to use the 1756-DHRIO module in remote
I/O scanner mode to connect a ControlLogix controller to remote I/O.
For information about using See page
Scanning Remote FLEX Adapters Through a
Single 1756-DHRIO Module in a Local
1756-Chassis
10-2
Scanning Remote FLEX Adapters Through
Multiple 1756-DHRIO Modules in a Local
Chassis
10-4
Scanning 1771 Remote I/O Adapters Through a
1756-DHRIO in a Remote Chassis
10-8
IMPORTANT
In these examples, only channel B is configured as a
remote I/O scanner. You can configure both
channels as remote I/O scanners simultaneously if
necessary.
If only one channel is configured as a remote I/O
scanner, we recommend you use channel B. If you
configure channel A as a remote I/O scanner, you
cannot use the programming terminal on the front of
the 1756-DHRIO module for DH+ access.
Also, throughout this chapter, we show sample
configuration screens with each example. Specific
configuration information is dependent on your
application needs.
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