Rockwell Automation 1771-KA2 Communication Adapter Module - Manual (Page 13)

Station Hardware
Chapter 2
2-3
connection, switches for enabling or disabling specific module operations,
and indicators to aid in monitoring module behavior and in
troubleshooting. Subsequent sections describe each of these parts of the
module and other aspects of module hardware that are significant in its
set-up and installation.
Each communication adapter module in a Data Highway installation must
have a unique station number. This station number is used to address
commands to the module from other stations.
Figure 2.3
Communication Adapter Module (cat. no. 1771-KA2)
(Side view)
Switch Cover
10862-I
Connectors
Indicator
Connectors
The front of a 1772-KA2 module has 3 cable connectors labeled:
DATA HIGHWAY
PROGRAM INTERFACE
PROCESSOR
See Figure 2.4.