Omron NT30C-ST141-E Operation Manual page 288

Making the Cable to Connect to the PC
S Wiring Connections
The NT30/30C does not use pin 4 (RS) or pin 5 (CS). Either short the RS and CS pins of the PC connector togeth-
er or set the CTS setting selector switch at the rear face of the Host Link Unit to "0V" (see ∗ in the figure).
NT30/30C
RS-232C
interface
Connecting an NT30/30C to an RS-232C/RS-422 Converter Unit (NT-AL001)
By connecting an RS-232C/RS-422 converter unit, transmission distance of 15 m or longer (max. 500 m) is reali-
zed. It is also possible to connect an RS-422A type NT30/NT30C to an RS-232C connector of a host.
S RS-232C type NT30/30C
NT30/30C
S RS-422A type NT30/30C
NT30/30C
Reference
Abbrevi- Pin
ation number
Connector
cover
SD 2
RD 3
RS 4
CS 5
+5V 6
-- 7
-- 8
9
SG
Shield
NT-AL001
RS-232C
Max. 2 m
NT-AL001
RS-422A
Max. 500 m
When connecting the C200HX/HG/HE to an RS-232C/RS-422 converter unit,
use the converter unit of lot No. 15YS or above.
A converter unit prior to lot No. 15YS cannot be used.
PC (Host Link Unit)
Pin Abbrevi-
number ation
Connector
FG
cover
2
SD
3 RD
RS-232C
4 RS
interface
5
CS
∗
--
--
-- --
-- --
9
SG
9-pin connector
Host
RS-422A
Max. 500 m
Host
RS-232C
Max. 2 m
Appendix E
277