Omron NT-series Programmable Terminal V022-E3-1 User Manual
Page 65
$ ' ( )*+,
Section 2-6
[RS-232C Cable Wiring] (NT600S-ST121(B)-EV
)
+5V
(150mA)
2
3
4
5
6
9
Pin No.
Abbrev.
SD
RD
RS
CS
+5V
SG
RS-232C
interface
Shielding
wire
PT, PC
NT-AL001
RS-232C
interface
Pin No.
Abbrev.
2
3
4
5
6
9
SD
RD
RS
CS
+5V
SG
: Only connected at PC
Connector
cover
Connector
cover
The pin numbers are the numbers at the NT600S.
For the pin numbers at the PC, refer to the manual for the PC used.
[RS-422A Cable Wiring (
➀
)]
RS-232C connection at the PC side
3
4
5
6
Pin No.
Abbrev.
SDB
SDA
RDB
RDA
RS-422A
terminal
block
Shielding
wire
NT-AL001
NT-AL001
RS-422A
terminal
block
Pin No.
Abbrev.
1
3
4
5
6
SDB
SDA
RDB
RDA
1
Functional
ground
Functional
ground
RS-422A connection at the PC side
Abbrev.
SDA (--)
SDB (+)
RDA (--)
RDB (+)
RS-422A
interface
Shielding
wire
PC
NT-AL001
RS-422A
terminal
block
Pin No.
Abbrev.
1
3
4
5
6
SDB
SDA
RDB
RDA
Functional
ground
Connector
cover
[RS-422A Cable Wiring (
➁
)]
3
4
5
6
Pin No.
Abbrev.
SDB
SDA
RDB
RDA
RS-422A
terminal
block
Shielding
wire
NT-AL001
NT-AL001
RS-422A
terminal
block
Pin No.
Abbrev.
1
3
4
5
6
SDB
SDA
RDB
RDA
Functional
ground
Functional
ground
1