Rockwell Automation Publication 1769-UM012B-EN-P - January 2014
19
Compact I/O ASCII Module
Chapter 1
Figure 2 - RS-232 Wiring Diagram - Module to Printer (hardware handshaking enabled, standard
printer adapter cable)
Figure 3 - RS-422 Wiring Diagram
Figure 4 - RS-485 Wiring Diagram
NC
NC
NC
1
RXD
2
TXD
3
4
COM
5
6
RTS
7
CTS
8
N.C.
9
CD
TXD
RXD
DSR
COM
DTR
CTS
RTS
RI
8
2
3
6
7
20
5
4
22
1
3
2
6
5
4
8
7
9
GND
1
ASCII DTE
DTE
9-pin
25-pin
ASCII
TXD-
NC
NC
1
2
3
4
COM
5
RXD+
RTS
CTS
6
7
8
TXD+
9
RXD-
TXD-
COM
TXD+
RXD+
RXD-
TRXD-
NC
NC
NC
NC
1
2
3
4
COM
RTS
CTS
5
6
7
8
TRXD+
9
TRXD-
COM
TRXD+
ASCII
Summary of Contents for Allen-Bradley 1769-ASCII
Page 1: ...Compact I O ASCII Module Catalog Numbers 1769 ASCII User Manual ...
Page 4: ...4 Rockwell Automation Publication 1769 UM012B EN P January 2014 Summary of Changes Notes ...
Page 101: ...Rockwell Automation Publication 1769 UM012B EN P January 2014 101 Error Codes Appendix C ...
Page 117: ......