Rockwell-automation 20-750-DNET PowerFlex DeviceNet Option Module Manual de usuario descargar pdf (Pagina 65)

Rockwell Automation Publication 750COM-UM002B-EN-P - October 2012 65

Chapter 6

Using Explicit Messaging

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

Messaging with a ControlLogix controller to configure and monitor the option

module and connected PowerFlex 750-Series drive.

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

Status, Reference/Feedback, and Datalinks.

Topic Page

About Explicit Messaging

Performing Explicit Messaging

ControlLogix Controller Examples

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 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 20-750-DNET PowerFlex DeviceNet Option Module Manual de usuario Pagina 65