Rockwell Automation Allen-Bradley 1769-IA16 - 1769-Ascii

Rockwell Automation Publication 1769-IN088A-EN-P - February 2011 47
Module Wiring Chapter 2
1769-ASCII
Compact ASCII module
NC1
RXD2
TXD3
NC4
COM5
NC6
RTS7
CTS8
NC9
DCD
TXD
RSD
DSR
COM
DTR
CTS
RTS
GND
8
2
3
6
7
20
5
4
1
1
3
2
6
5
4
8
7
ASCII DTE DTE 9-pin 25-pin
TXD-
NC
NC
1
2
3
4
COM5
RXD+
RTS
CTS
6
7
8
TXD+9
RXD-
TXD-
COM
TXD+
RXD+
RXD-
ASCII
NC
NC
NC
1
RXD2
TXD3
4
COM5
6
RTS7
CTS8
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
TRXD-
NC
NC
NC
NC
1
2
3
4
COM
RTS
CTS
5
6
7
8
TRXD+9
TRXD-
COM
TRXD+
ASCII
RS-232 Wiring Module to DTE Device (hardware handshaking disabled)
RS-232 Wiring Module to Printer (hardware handshaking enabled, standard
printer adapter cable)
RS-422 Wiring
RS-485 Wiring