Rockwell-automation 1794-ASB/E Remote I/O Adapter Module User Manual Manuel d'utilisateur télécharger pdf (Page 15)

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Publication 1794ĆUM009D-EN-P - April 2004

Overview of FLEX I/O and your

Remote I/O Adapter Module

In this chapter, we tell you about:

• what the FLEX I/O system is and what it contains

• how FLEX I/O modules communicate with programmable

controllers

• the features of your adapter module

FLEX I/O is a small, modular I/O system for distributed

applications that performs all of the functions of rack-based I/O. The

FLEX I/O system contains the following components shown below:

Adapter

Terminal Base

I/O Module

20125

• adapter/power supply – powers the internal logic for as many as

eight I/O modules

• terminal base – contains a terminal strip to terminate wiring for

two- or three-wire devices

• I/O module – contains the bus interface and circuitry needed to

perform specific functions related to your application

Chapter Objectives

The FLEX I/O System

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Rockwell-automation 1794-ASB/E Remote I/O Adapter Module User Manual Manuel d'utilisateur Page 15