Omron NT20S-ST121B-EV3 User Manual page 93

Connecting to the RS-232C Port at the Host
72
NT20
6
1
Abbreviation
RS-232C
interface
(9-pin type)
9
5
PLC
Pin
Abbreviation
number
Shield
Connector
FG
hood
-
1
SD 2
RD
3
RS
4
CS
5
+5V
6
-
7
-
8
SG 9
Section 2-6
Connector
hood
SD
RS-232C
RD
interface
RS
CS
SG