Allen-Bradley controllogix 1756-L55M12 User Manual page 39

To communicate with DH-485 devices, perform this procedure.
1. In the Controller Organizer of RSLogix 5000 programming
software, right-click your controller and select Properties.
The Controller Properties dialog appears.
2. Click the Serial Port tab.
3. From the Mode pull-down menu, choose System.
4. Specify DH-485 communication settings.
The baud rate specifies the communication rate for the DH-485
port. All devices on the same DH-485 network must be
configured for the same baud rate.
a. From the Baud Rate pull-down menu, choose 9600 or 19200
kbps.
Communicate over Networks
Publication 1756-UM001G-EN-P - January 2007
39