Rockwell Automation 1761-HHP-B30 MicroLogix 1000 with Hand-Held Programmer (HHP) - Manual (Page 59)

Chapter 3
Connecting the System
3–6
Important: Only Series C or later MicroLogix 1000 discrete controllers and
all MicroLogix 1000 analog controllers support DH-485
network connections.
You can connect an unpowered AIC+, catalog number 1761-NET-AIC, to the
network without disrupting network activity. In addition, if a MicroLogix
1000 controller powers an AIC+ that is connected to the network, network
activity will not be disrupted should the MicroLogix 1000 controller be
removed from the AIC+.
The figure below shows the external wiring connections and specifications of
the AIC+.
AIC+ Advanced Interface Converter
(1761-NET-AIC)
Item Description

Port 1 – DB-9 RS-232, DTE
 Port 2 – mini-DIN 8 RS-232
 Port 3 – DH-485 Phoenix plug
 DC Power Source selector switch
(cable = port 2 power source, external = external power source connected to item 5)

Terminals for external 24V dc power supply and chassis ground
For additional information on connecting to the AIC+, see the Advanced
Interface Converter (AIC+) and DeviceNet Interface (DNI) Installation
Instructions, Publication 1761-5.11.
Connecting the AIC+