23 Publication 1794-UM066B-EN-E - March 2015
Chapter
4
Rack Optimized Discrete I/O
Overview
In this example a ControlLogix processor communicates with FLEX I/O via the
1794-AENTR adapter using a rack optimized connection. The processor reads
data from all digital input modules and sends data to all digital output modules
configured in a rack connection simultaneously.
The following table lists where to find specific information within this chapter.
Set Up the Hardware
In this example, a ControlLogix chassis contains the Logix5572 controller in
slot 0 and a 1756-EN2TR bridge module in slot 1. The adapter is mounted on a
DIN rail with a 1794-IB16 digital input module and 1794-OB16 digital output
module. You also need a power supply (not shown) for the FLEX I/O.
Topic Page
Set Up the Hardware 23
Create the Example Application 24
Configure the I/O 26
Add the Local EtherNet/IP Bridge to the I/O Configuration 26
Add the FLEX I/O Adapter to the I/O Configuration 27
Add the FLEX I/O Modules to the I/O Configuration 29
Add the Digital Input Module 30
Add the Digital Output Module 31
Edit the Controller Tags 33
Create the Ladder Program 34
Download the Program to the Controller 34
Test the Example Application 35
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