Rockwell Automation Publication 1734-UM013N-EN-P - September 2017 83
Configure the Module in a GuardLogix Controller System Chapter 5
c. From the Connection pull-down menu, choose the appropriate
connection for the 1734 Ethernet adapter.
d. From the Chassis Size pull-down menu, choose the number of
POINT I/O modules that are attached to the 1734 Ethernet adapter
plus 1 for the 1734 Ethernet adapter.
6. Click OK to return to the Module Properties dialog box.
7. Click OK again to apply your changes.
The I/O Configuration tree displays the 1734 Ethernet adapter.
Choose Description
Listen Only Read or verify standard digital I/O data only, but does not control the modules.
(When you have multiple controllers, one controller is used to control and the other
controllers are used to monitor.)
None The adapter makes a direct connection to each of the module’s listed under the
1734-AENT adapter in the I/O Configuration tree.
Rack
Optimization
Standard digital I/O data is collected into one rack image.
POINT specialty, analog, or safety (POINT Guard I/O) modules do not use
rack optimization.
If there are no standard digital I/O modules in your POINT I/O™
system, choose None.
Do not count terminal bases. Enter only the number of physical modules that
are installed, plus 1 for the adapter. This number must match exactly. You
cannot enter a higher number anticipating future expansion.
Each POINT Guard module that you configure can consume up to 2 connections
of the 20 connection limit within the 1734-AENT or 1734-AENTR modules. Be
sure that you are aware of and design your POINT system with these limits in
mind.
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