Omron PC CONNECTION - 04-1997 Operation Manual page 38

Connection
Connection Method
9-pin connector
RS-232C cable
(maximum length: 15 m)
Caution:
3-4
NT20S
RS-232C/RS-422A convertor unit
9-pin connector
After connecting a communication cable, always secure it with the screws.
Otherwise the cable may disconnect, causing operation to fail.
Note: When connecting to a terminal block, always use crimp terminals.
F Wiring Between PT and NT-AL001
Abbrev.
FD
SD
RD
RS
RS-232C
interface
CS
+5V
SG
(9-pin)
(NT-AL001)
RS-422A cable
(maximum length: 500 m)
PT
Pin No.
1
2
3
4
5
6
7
8
9
Shielding
wire
Main base unit
Mitsubishi FX series PC
25-pin connector
NT-AL001 RS-232C connector
Pin No. Abbrev.
Connector cover
2
3
4
5
6
7
8
9
(9-pin)
Chapter 3-2
SD
RD
RS
RS-232C
interface
CS
+5V
DR
ER
SG