Rockwell-automation 1794-OB16D FLEX I/O Diagnostic Modules User Manual Instrukcja Użytkownika Pobierz pdf (Strona 15)

13 Publication 1794-UM061A-EN-P - July 2006

Chapter

1794 FLEX I/O Diagnostic Digital Modules

Overview

Introduction

In this chapter, you will learn about the diagnostic input module, cat. no.

1794-IB16D, and the diagnostic output module, cat. no. 1794-OB16D.

General Description

This chapter contains an overview of the FLEX I/O diagnostic digital

modules, the 1794-IB16D input module and 1794-OB16D output module.

You can use the FLEX I/O diagnostic modules to help diagnose problems

with input and output field devices, I/O wiring and the user power supply.

Additionally, these modules can reduce installation start-up time and help

minimize time to find and fix failures.

This chapter explains how to use the FLEX I/O diagnostic modules to help

detect the following types of faults:

• Open input or output field devices

• Open input or output wiring

• Shorted output field devices

• Shorted input or output wiring

• Reversed polarity of user supply wiring

• Open user supply wiring or failed user supply (using one diagnostic

input channel)

Topic See Page

General Description 13

Install Your Digital Input or Output Module 16

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 131 132

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Rockwell-automation 1794-OB16D FLEX I/O Diagnostic Modules User Manual Instrukcja Użytkownika Strona 15