Rockwell Automation 1756-L6x_L7x ControlLogix System User Manual - Manual (Page 93)

Rockwell Automation Publication 1756-UM001O-EN-P - October 2014 93
Communication Networks Chapter 5
Figure 12 - ControlLogix DeviceNet Network Overview
In this example, the ControlLogix controller is connected to the DeviceNet
network and devices via the 1788-EN2DNR linking device.
For more information about using DeviceNet modules and devices, see
DeviceNet Modules in Logix5000 Control Systems User Manual, publication
DNET-UM004 .
ControlLogix DeviceNet Module Features
The DeviceNet communication module provides these features:
• Supports messaging to devices (not controller to controller)
• Shares a common application layer with ControlNet and EtherNet/IP
networks
• Offers diagnostics for improved data collection and fault detection
• Requires less wiring than standard, hard-wired systems
• ControlLogix
• 1756-ENBT
PowerFlex
Motor
Starter
Input/output Devices
Sensor
Push Button
Cluster
Barcode
Scanner
Indicator
Lights
DeviceNet Network
1788-EN2DNR
CompactLogix
FLEX I/O
EtherNet/IP Network
Personal Computer