Allen-Bradley ControlLogix System 1756-L1 User Manual page 300

®
18-2 Route PLC-5 or SLC 500
Configure Routing Tables
Routing table
EXAMPLE
Routing table for the left 1756-DHRIO module
Publication 1756-UM001E-EN-P - August 2002
™ ™
Messages From a DH+ Network
In this task, you configure routing tables for 1756-DHRIO modules.
The modules use the routing tables to send the message to the
destination.
In the following example, two ControlLogix chassis link different DH+
networks together via a ControlNet network.
ControlNet
node 1
D C
H N
R B
I
O
channel A
DH+ node 2
DH+ network
link ID 20
ControlNet network
link ID 100
ControlLogix
backplane
link ID 10
Routing table for the right 1756-DHRIO module
42190
ControlNet
node 2
D C
ControlLogix
H N
backplane
R B
link ID 30
I
O
channel A
DH+ node 3
DH+ network
link ID 40
42191