Rockwell-automation 1746-NI8 SLC 500 Analog Input Modules User Manual Manual do Utilizador descarregar pdf (Página 32)

Chapter 4

Publication

17466.8 - April 1997

Preliminary Operating

Considerations

This chapter explains how the analog input module and the SLC 500

processor communicate through the module’s input and output

image. It lists the preliminary setup and operation required before

the module can function in a 1746 I/O system. Topics discussed

include how to:

• enter the module ID code

• select the Class 1 or Class 3 interface

• address your 1746-NI8 module

• select the proper input filter for each channel

• calculate the module update time

• interpret the module response to slot disabling

The module identification code is a unique number encoded for each

1746 I/O module. The code defines for the processor the type of I/O

or specialty module residing in a specific slot in the 1746 chassis.

Catalog Number ID Code

1746NI8

3526 - Class 1 interface

12726 - Class 3 interface

Important: All programming software does not support

configuration for Class 3 operation.

• Advanced Programming Software (APS) supports Class 3

configuration. After entering the ID code (12726), enter 16 input

words and 12 output words.

• SLC 500 A.I. Seriest Programming Software supports Class 3

configuration. After entering the ID code (12726), enter 16 input

words and 12 output words.

• RSLogix 500t, version 1.30 or later, supports Class 3

configuration. After entering the ID code (12726), select Class 3

operation.

• Earlier versions of RSLogix 500 will only support configuration

for Class 1 operation. Contact Rockwell Software for

information on upgrading your software.

Module ID Code

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 90 91

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Rockwell-automation 1746-NI8 SLC 500 Analog Input Modules User Manual Manual do Utilizador Página 32