Allen-Bradley micrologix 1500, User Manual

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Publication 1764-UM001A-US-P
E-14 Understanding Communication Protocols
Example DH-485 Connections
The following network diagrams provide examples of how to connect MicroLogix
1500 controllers to the DH-485 network using the Advanced Interface Converter
(AIC+, catalog number 1761-NET-AIC). For more information on the AIC+, see
the
Advanced Interface Converter and DeviceNet Interface Installation Instructions ,
Publication 1761-5.11.
DH-485 Network with a MicroLogix 1500 Controller
TERM
A
B
COM
SHLD
CHS GND
TX
TX PWR
TX
DC SOURCE
CABLE
EXTERNAL
TERM
A
B
COM
SHLD
CHS GND
TX
TX PWR
EXTERNAL
TERM
A
B
COM
SHLD
CHS GND
TX
TX PWR
EXTERNAL
TERM
A
B
COM
SHLD
CHS GND
TX
TX PWR
EXTERNAL
MicroLogix 1500
connection from port 1 or port 2
to MicroLogix Channel 0
1761-CBL-AM00
or 1761-CBL-HM02
1761-CBL-AP00
or 1761-CBL-PM02
1761-CBL-AP00
or 1761-CBL-PM02
1747-CP3
or 1761-CBL-AC00
24V dc
(user supply needed if not
connected to a controller)
AIC+
24V dc
(user supplied)
Personal Computer
PC to port 1
or port 2
AIC+
AIC+
connection from port 1 or port 2
to MicroLogix Channel 1
1747-CP3
or 1761-CBL-AC00
1761-CBL-AP00
or 1761-CBL-PM02
24V dc
(user supply
needed if not
connected to
a controller)
REFERENCE: AIC+ Port Identification
Port 2: mini-DIN 8 RS-232
Port 3: RS-485
Port 1: DB-9 RS-232