Operator Interface Module Instruction Manual

Connections and Setup
Chapter 7
Communication
7–11
The DTAM Micro 485 version has an RS-485 port and uses DH485 protocol.
It can communicate to the MicroLogix 1000 via DH485 with the AIC+
Interface Converter Module. This is a 3-node network and is not expandable.
Comm Port (RS485)
Cable (Catalog No.
1761-CBL-HM02)
RS232
MicroLogix 1000
AIC+
DH485
RS232
Com 1
Personal Computer
DTAM Micro
You will need to construct a cable that connects to the AIC+ and the DTAM
Micro. Refer to the following illustration.
Termination
AIC+
Port 3
Communications Port
DTAM Plus/Micro
9-Pin Male D Connector
A
Common
1
2
3
4
5
1
2
3
4
8
9
6
B
Shield
Chassis Ground
6-Pin Connector
RS–485/DH–485
Communications with a
MicroLogix 1000