User manual

124 Rockwell Automation Publication 1756-UM001O-EN-P - October 2014
Chapter 7 Manage Controller Communication
Connections Example
In this example system, the 1756 ControlLogix controller does the following:
• Controls local digital I/O modules in the same chassis
• Controls remote I/O devices on a DeviceNet network
• Sends and receives messages to and from a CompactLogix controller on an
EtherNet/IP network
• Produces one tag that the 1794 FlexLogix controller consumes
• Is programmed via the Logix Designer application
DeviceNet module in a remote chassis 2
Other remote communication adapter 1
Produced tag
Each consumer
1
1
Consumed tag 1
Message (see Ta ble 29
for message types)
Connected
Unconnected
1
0
Block-transfer message 1
Total
Table 32 - Remote Connections
Remote Connection Type Device Quantity Connections per
Device
Total Connections
• ControlLogix
• 1756-ENBT
• 1756-DNB
• 1769-ADN
• Compact I/O™
RediSTATION™
Series 9000™
DeviceNet
EtherNet/IP Network
• 1769-L35E CompactLogix
• 1769-SDN
FlexLogix
1788-DNBO