User Manual

Chapter

Publication

1771-6.5.124 – August 1997

Introducing the ControlNet

Adapter Module

This chapter describes the ControlNet adapter modules’ (cat. no.

1771-ACN15 and -ACNR15):

• features

• hardware components, including

• diagnostic indicators

• communication reset pushbutton

• network access port (NAP)

• ControlNet connectors

• network address switch assemblies

The 1771-ACN15 and -ACNR15 adapters control 1771 remote I/O

on the ControlNet network. The ControlNet network is a

communication architecture that allows the exchange of messages

between Allen-Bradley products and certified third-party products.

The 1771-ACN15 and -ACNR15 Adapters features include:

• high speed data transfer

• diagnostic messages

• local communication network access through the network access

port (NAP)

• redundant media (1771-ACNR15 only)

The adapter module consists of the following major components:

• ControlNet status indicators

• status display

• communication reset pushbutton

• network access port (NAP)

• ControlNet connectors (one on the 1771-ACN15; two on the

1771-ACNR15)

• module net address switch assemblies (on top of module)

Chapter Objectives

Module Description and

Features

Hardware Components