Publication 1756-UM001G-EN-P - January 2007
32 Communicate over Networks
Communicate with DF1 Devices
You can configure the controller as a master or slave on a serial
communication network. Use serial communication to get information
to and from remote controllers (stations) when:
• the system contains three or more stations.
• communication occurs on a regular basis and requires
leased-line, radio, or power-line modems.
ControlLogix DF1 Device Communication
Modem
Modem
Modem
RS-232 Connection
DH+ Connection
EtherNet/IP
Network
RS-232 Connection
RS-232 Connection
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