GE 90-30 PLC Series Installation And Hardware Manual page 361

B
Figure B-3. Typical Configuration with Series 90-30 PLC
RS-232 Interface Pin Assignments
Pin assignments and signal definitions for the RS-232 interface are listed below.
Table B-1. RS-232 Interface for Converter
B-4 Series 90-30 PLC Installation and Hardware Manual – August 2002
SERIES 90-30
RS-485 RS-232
CONVERTER
Pin Signal Name
1 Shield
2 SD
3 RD
4 RTS
5 CTS
6 -
7 SG
8 DCD
9/19 -
20 DTR
21 to 25 -
PROGRAMMER
Function
Cable shield
Transmitted Data
Received Data
Request To Send
Clear To Send
No connection
Signal Ground
Data Carrier Detect
No connection
Data Terminal Ready
No connection
I/O
-
Out
In
Out
In
-
-
In
-
Out
-
GFK-0356Q