Publication 1764-UM001B-EN-P - April 2002
Communication Connections 4-15
End-of-Line Termination
Connecting the AIC+
The AIC+, catalog number 1761-NET-AIC, enables MicroLogix
controllers to connect to a DH-485 network when they are configured
for DH-485 protocol. The AIC+ has two isolated RS-232 ports and one
RS-485 port. When two MicroLogix controllers are closely positioned,
you can connect a controller to each of the RS-232 ports on the AIC+.
The AIC+ can also be used as an RS-232 isolator, providing an
isolation barrier between the controllers communications port and any
equipment connected to it (i.e. personal computer, modem, etc.)
The following figure shows the connections and specifications of the
AIC+.
For additional information on connecting the AIC+, refer to the
Advanced Interface Converter (AIC+) User Manual, publication
1761-6.4.
Item Description
1 Port 1 - DB-9 RS-232, DTE
2 Port 2 - mini-DIN 8 RS-232 DTE
3 Port 3 - RS-485 Phoenix plug
4 DC Power Source selector switch
(cable = port 2 power source, external =
external power source connected to item 5)
5 Terminals for external 24V dc power supply
and chassis ground
Jumper
Jumper
Belden #3106A or #9842 Cable
1219 m (4000 ft) Maximum
Jumper
3
1
2
4
5
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