User`s manual

Use of I/O Units, the

INTERBUS-Adapters and

the INTERBUS Branch

Interface Modules

Overview

Introduction This chapter describes the relationship between an I/O Unit and the INTERBUS

adapters 170 INT 110 03 for shielded cable and 170 INT 120 00 for fiber optic

transmission, as well as the use of branch interface modules 170 BNO 671 0x and

170 BNO 681.

What’s in this

chapter?

This chapter contains the following topics:

Topic Page

General Relationship between I/O Unit and Adapter 24

Use of INTERBUS Branch Interface Modules 25

Mechanical Construction of the I/O Unit and Adapter 26

Mechanical Construction of Branch Interface Modules 27

Potential Isolation of the I/O Modules (with Bus Adapter 170 INT 110 03) 28