User manual

Publication 1768-UM001C-EN-P - November 2007
Communicate over Networks 29
CompactLogix ControlNet Network Overview
Connections Over a ControlNet Network
Each 1768-CNB or 1768-CNBR module in a ControlNet network can provide
a certain amount of connected messaging support.
A
B
1768-L43 or 1768-L45 CompactLogix Controller
with 1768-CNB or 1768-CNBR Module
Workstation with
1784-PCIC or
1784-PCICS
ControlNet
Communication Cards
ControlNet
Network
with Taps
Distributed 1734
POINT I/O Modules with
1734-ACNR ControlNet
Adapter
PowerFlex 70 Drive
with 20-COMM-C
ControlNet Adapter
PowerFlex 40 Drive
with 22-COMM-C
ControlNet Adapter
PanelView Plus Terminal with
ControlNet Communication Adapter
ControlLogix
Controller
ControlNet Connected Messaging Support
Each Supports
1768-CNB module Supports 64 connections.
• Five controllers can have a rack-optimized connection to
the module.
• Five controllers can have a rack-optimized, listen-only
connection to the module.
1768-CNBR module