Rockwell-automation 1794-ID2 U.MNL INCREMENTAL ENCODER Manuel d'utilisateur télécharger pdf (Page 63)

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Input, Output and

Configuration Files for Analog

Modules when used with

ControlNet

In this chapter you will learn about:

• ControlNet Adapter

• I/O structure

• safe state data

• communication fault data

• idle state behavior

• input data behavior upon module removal

The FLEX I/O ControlNet adapters (cat. no. 1794–ACN15 and

–ACNR15) interfaces up to 8 FLEX I/O modules and a ControlNet

processor or scanner. The adapter can support ControlNet real–time

data connections to individual modules or module groups. Each

connection is independent of the others and can be from different

processors or scanners.

One 1794-ACN15 and -ACNR15 ControlNet adapter can interface

up to eight terminal base units with installed FLEX I/O modules,

forming a FLEX I/O system of up to eight slots. The adapter

communicates to other network system components (typically one or

more controllers or scanners, and/or programming terminals) over

the ControlNet network. The adapter communicates with its I/O

modules over the backplane.









Slot 0

I/O Module

















ControlNet

Adapter









Slot 1

I/O Module









Slot 7

I/O Module

Network

Data is exchanged scheduled (when mapped) or unscheduled (using

CIO instructions).

Chapter Objectives

About the ControlNet

Adapter

Communication Over the

FLEX I/O Backplane

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