Rockwell Automation 1775-KA PLC-3 Communication Adapter Module User Manual - Manual (Page 9)

Introduction
Chapter 1
1Ć5
Figure 1.1
Communication Adapter Module (Cat. No. 1775-KA)
10000-I
PASS
FAIL
SELF
TEST
KA
DATA
HWY
NO
MODEM
INTERFACE
DATA
HWY
XMTG
RCVG
RDY
ERR
DIS
Self–Test Indicators
Thumbwheel Switch
RS–232–C port Indicators
Data Highway Port Indicators
RS–232–C Port
Data Highway Port
COMMUNICATION
ADAPTER
XMTG
RCVG
ERR
DIS
In addition, the module provides the following software features:
Programmable configuration parameters
Command language that allows for complex logic decisions, looping,
and nesting
Symbolic representation of data and addresses
Embedded arithmetic expressions and logic operations
Decimal, octal, or BCD (binary coded decimal) data entry