Allen-Bradley ControlLogix System 1756-L1 User Manual page 311

G.
H.
Allen-Bradley HMIs
Communicate with Another Controller over a DH-485 Network
G. Select DH485.
H. Type the address of the controller on the DH-485 network.
Follow these guidelines:
• Address 0 is typically reserved for the programming tool.
• Address 1 is typically left open to swap out a controller. Most
controllers have a default address of 1.
• The maximum address is 31.
• To optimize network performance, assign addresses in
sequential order.
• Assign initiators, such as personal computers, the lowest
addresses. This minimizes the time required to initialize the
network.
I. Click OK.
Publication 1756-UM001E-EN-P - August 2002
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