Rockwell Automation 1756-DHRIO_DHRIOXT ControlLogix Data Highway Plus-Remote I/O Communication Interface Module - Manual (Page 34)

34 Rockwell Automation Publication 1756-UM514C-EN-P - June 2014
Chapter 2 Using the Data Highway Plus Network
Example DH+ Routing
Configuration The following figure shows an example DH+ routing configuration.
Node numbers on DH+ are given in octal. Node numbers on ControlNet
network and slot numbers in ControlLogix chassis are given in decimal. Links
IDs for all networks are given in decimal.
ControlLogix Chassis
Link ID 6
1756-DHRIO and 1756-DHRIOXT Modules
Ch. A Node: 015
Ch. B Node:016 1756-DHRIO and 1756-DHRIIOXT Modules
Node: 030
Node:031
PLC-5/25 Controller
Node: 020
DH+
Link ID 1
41285
DH+
Link ID 2
ControlNet
Link ID 3
DH+
Link ID 4
PLC-5/15 Controller
Node: 020
PLC-5/60 Controller
Node:020 PLC-5/40 Controller
Node: 020
PLC-5/25 Controller
Node: 030
DH+
Link ID 5
1756-CNB Module
Node: 20
PLC-5C Controller
Node: 35
PLC-5C Controller
Node: 45
ControlLogix Controller
Slot 0 ControlLogix Controller
Slot 5
IMPORTANT Some devices in the figure have the same node number because they are
on different networks. Devices on the same network require unique node
numbers. You must assign the node numbers.