Rockwell-automation 20-COMM-ER 20-COMM-ER Dual-Port EtherNet/IP Commun Uživatelský manuál stáhnout pdf (Strana 105)

Rockwell Automation Publication 20COMM-UM015B-EN-P - July 2013 105

Chapter

Using Explicit Messaging

This chapter provides information and examples that explain how to use Explicit

Messaging to configure and monitor the adapter and connected PowerFlex 7-

Class drive or SMC.

See Chapter 5 for information about the I/O Image, using Logic Command/

Status, Reference/Feedback, and Datalinks.

Topic Page

About Explicit Messaging

106

Performing Explicit Messages 106

ControlLogix Controller Examples 108

MicroLogix 1100/1400 Controller Examples 124

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.

ATTENTION: Risk of equipment damage exists. If Explicit Messages are

programmed to write parameter data to Nonvolatile Storage (NVS)

frequently, the NVS will quickly exceed its life cycle and cause the drive to

malfunction. Do not create a program that frequently uses Explicit

Messages to write parameter data to NVS. Datalinks do not write to NVS

and should be used for frequently changed parameters.

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Rockwell-automation 20-COMM-ER 20-COMM-ER Dual-Port EtherNet/IP Commun Uživatelský manuál Strana 105