Controllogix controlnet module features – Rockwell Automation 1756-L6x_L7x ControlLogix System User Manual User Manual
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Rockwell Automation Publication 1756-UM001O-EN-P - October 2014
Chapter 5
Communication Networks
Figure 11 - ControlNet Network Overview
In this example, these actions occur via the ControlNet network:
•
The controllers produce and consume tags.
•
The controllers initiate MSG instructions that do the following:
–
Send and receive data.
–
Configure devices.
•
The workstation is used to do the following:
–
Configure the ControlNet devices and the ControlNet network.
–
Download and upload projects from the controllers.
For more information about using ControlNet modules, see ControlNet
Modules in Logix5000 Control Systems User Manual, publication
ControlLogix ControlNet Module Features
The ControlNet communication modules provide these features:
•
Support for messaging, produced/consumed tags, and distributed I/O
•
Use a common application layer with DeviceNet and EtherNet/IP
networks
•
Requires no routing tables
•
Support the use of coax and fiber repeaters for isolation and increased
distance
•
Support redundant media (only 1756-CNBR, 1756-CN2R, and
1756-CN2RXT modules)
ControlNet
Distributed I/O
• 1756-CNB
• 1756 I/O
• 1794-ACN15
• 1794 I/O
Workstation
CompactLogix
FlexLogix
• 1734-ACNR
• 1734 I/O
PanelView
PLC-5/40C15
PowerFlex 700S