Rockwell Automation 1794-L34 FlexLogix Controller System User Manual - 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