Omron NT20S Operation Manual page 282

Method for Making the Cable for Connection to the Host
Wiring method
NT20S
Abbrevi-
Pin No.
ation
1
SD 2
RD 3
RS 4
RS-232C
interface
CS 5
+5V 6
– 7
– 8
SG 9
9-pin
RS-232C
Abbrevi-
Pin No.
ation
1 FG
2 SD
3 RD
4 RS
5 CS
6 +5V
7 DSR
8 ER
9 SG
9-pin
NT-AL001
Abbrevi-
ation
FG
SG
SDB
RS-232C RS-422A SDA
interface interface
RDB
RDA
CSB
CSA
Terminal block
RS-422A
Terminal
Signal bame
No.
1
Frame ground
2
Signal ground
3
Receive data(+)
4
Receive data(–)
5
Send data(+)
6
Send data(–)
7
8
Appendix G
HOST
RS-422A
interface
263