Rockwell Automation 1771ACN/B_1771ACNR/B,D17716.5.123 U.MNL CONTROLNET ADAPTER - Manual (Page 11)

Chapter
1
Publication 1771-6.5.123 – May 1996
Introducing the ControlNet
Adapter Module
This chapter describes the ControlNet adapter modules’ (cat. no.
1771-ACN and -ACNR):
•
features
•
hardware components, including
•
diagnostic indicators
•
communication reset pushbutton
•
network access port (NAP)
•
ControlNet connectors
•
network address switch assemblies
The 1771-ACN and -ACNR 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-ACN and -ACNR Adapters features include:
•
high speed data transfer
•
diagnostic messages
•
local communication network access through the network access
port (NAP)
•
redundant media (1771-ACNR 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 1771-ACN; two on 1771-ACNR)
•
module net address switch assemblies (on top of module)
Chapter Objectives
Module Description and
Features
Hardware Components