Connections over controlnet – Rockwell Automation 1794-L34 FlexLogix Controller System User Manual User Manual

Page 26

Publication 1794-UM001G-EN-P - January 2007

26 Communicate over Networks

In this example:

• The controllers can produce and consume tags among

each other.

• The controllers can initiate MSG instructions that send/receive

data or configure devices.

• The personal computer can upload/download projects to the

controllers.

• The personal computer can configure devices on ControlNet,

and it can configure the network itself.

Connections over ControlNet

You indirectly determine the number of connections the controller
uses by configuring the controller to communicate with other devices
in the system. Connections are allocations of resources that provide

ControlNet

Distributed I/O

1756-CNB module
(as an adapter) with
1756 I/O modules

1794-ACN15 adapter
with 1794 I/O modules

personal computer/workstation

CompactLogix controller
with built-in Control port

FlexLogix controller with
1788-CNC card

1734-ACNR adapter with
1734 I/O modules

PowerFlex 700S drive

PanelView terminal

PLC-5/40C controller