Omron NT631 Operation Manuals page 98

Connecting to the RS-232C Port at the Host
90
[Serial port A, B]
NT631/NT631C
6
1
RS-232C
interface
9
5
* For units that have a CTS setting selector switch, RS and CS do not have to be
shorted if this switch is set to "0V".
Pin
Abbreviation Shielding wire
number
Connector
FG
hood
1
SD
2
RD
3
RS
4
CS
5
+5V
6
7
8
SG 9
(9-pin type)
PC (host link unit)
Pin
Abbreviation
number
1
FG
2
SD
3 RD
4
RS
RS-232C
interface
5
CS
*
6
–
7
SG
8 –
–
–
– –
–
–
–
ER
(25-pin type)
Section 4-1
1 14
13 25