Rockwell Automation 1756-DH485 ControlLogix DH-485 Communication Module User Manual - Manual (Page 16)

Publication 1756-UM532A-EN-P - May 2006
1-8 1756-DH485 Module Overview
Routing Limitations The 1756-DH485 module can route a message through up to four
communications networks and three chassis. This limit applies only to the
routing of a message and not to the total number of networks or chassis in a
system.
DH-485 and CIP Messaging
The 1756-DH485 module lets devices, such as ControlLogix, PLC, and SLC
controllers exchange information. With the 1756-DH485 module, you may
exchange information between the ControlLogix, PLC, or SLC controllers on
different networks. Communication between SLC controllers on different
networks is accomplished using remote messaging.
Communication Between SLC Controllers on Different Networks
44056
Programming Terminal
ControlLogix
Chassis ControlLogix
Chassis
DH-485 DH-485
SLC 5/03 PanelView
Data Collection and
Recipe Management
RSView
MicroLogix
SLC 5/03 PanelView
EtherNet/IP Network