Rockwell Automation 1756-DH485 ControlLogix DH-485 Communication Module User Manual - Manual (Page 45)

Publication 1756-UM532A-EN-P - May 2006
Use Data Highway 485 Network 3-13
Example DH-485 Network
Routing Configuration The Example of DH-485 Routing Configuration figure below shows an
example DH-485 routing configuration. All node numbers on DH-485 are
given in decimal. Node numbers on ControlNet and slot numbers in
ControlLogix chassis are given in decimal. Links IDs for all networks are given
in decimal.
Example of DH-485 Routing Configuration
IMPORTANT
Some devices in this figure have the same node number
because they are on different networks. Devices on the
same network must have unique node numbers. You must
assign the node numbers.
DH485 DH485
ControlLogix Chassis
Link ID 6
1756-DH485 Module
Channel A Node 15
Channel B Node 16 1756-DH485 Module
Channel A Node 30
Channel B Node 31
DH-485
Link ID 1
44054
DH-485
Link ID 2
DH-485
Link ID 4
SLC 5/03 Controller
Node 30
DH-485
Link ID 5
ControlLogix Controller
Slot 0
ControlLogix Controller
Slot 5
SLC 5/03 Controller
Node 20
PanelView
Node 21
SLC 5/03
Controller
Node 20
SLC 5/03
Controller
Node 20
AIC+
AIC+
AIC+
AIC
AIC
AIC
AIC
AIC