Rockwell-automation 20-COMM-ER 20-COMM-ER Dual-Port EtherNet/IP Commun Uživatelský manuál stáhnout pdf (Strana 79)

Rockwell Automation Publication 20COMM-UM015B-EN-P - July 2013 79

Chapter

Using the I/O

This chapter provides information and examples that explain how to control,

configure, and monitor a PowerFlex 7-Class drive or SMC using the configured

I/O.

About I/O Messaging

On CIP-based networks, including EtherNet/IP, I/O connections are used to

transfer the data which controls the PowerFlex drive or SMC and sets its

Reference. I/O can also be used to transfer data to and from Datalinks.

The adapter provides many options for configuring and using I/O, including the

following:

• Configuring the size of I/O by enabling or disabling the Logic Command/

Reference and Datalinks.

• Setting a Master-Slave or Peer-to-Peer hierarchy.

Chapter 3

, Configuring the Adapter, and Chapter 4, Configuring the I/O,

discuss how to configure the adapter and controller on the network for these

options. The defines the different options. This chapter discusses how to use I/O

after you have configured the adapter and controller.

Topic Page

About I/O Messaging

Understanding the I/O Image 80

Using Logic Command/Status 84

Using Reference/Feedback 84

Using Datalinks 86

Example Ladder Logic Program Information 87

ControlLogix Controller Example 88

ATTENTION: Risk of injury or equipment damage exists. The examples in

this publication are intended solely for purposes of example. There are

many variables and requirements with any application. Rockwell

Automation, Inc. does not assume responsibility or liability (to include

intellectual property liability) for actual use of the examples shown in this

publication.

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Rockwell-automation 20-COMM-ER 20-COMM-ER Dual-Port EtherNet/IP Commun Uživatelský manuál Strana 79