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Connection to a PC by the NT Link (1:N)
Wiring Method
C200HX/HG/HE
RS-232C cable
(max. length: 2 m),
or directly
connected RS-422A
cable
RS-422A cable (
RS-232C/RS-422A
converter unit,
type NT-AL001
52
For the connections between the PC and NT20S units, wire as shown below. The
wiring method differs depending on the cables used for connection.
S
RS-422A connection
OMRON PC
While controlling machinery and
monitoring lines, controls the
NT20S units when necessary.
C200H/HG/HE can be used.
RS-232C/RS-422A
converter unit,
type NT-AL001
)
RS-422A cable (
(1)
RS-232C cable
(max. length: 2 m)
NT20S
[RS-232C Cable Wiring]
PT, PC
Abbrev.
SD
RS-232C
RD
interface
RS
CS
+5V
SG
The pin numbers are the numbers at the
NT20S. For the pin numbers at the PC,
refer to the manual for the PC used.
RS-232C/RS-422A
converter unit,
type NT-AL001
)
RS-422A cable (
(2)
RS-232C cable
RS-232C cable
(max. length: 2 m)
(max. length: 2 m)
NT20S
Pin No.
Connector
cover
2
3
4
5
6
9
Shielding
wire
RS-232C/RS-422A
converter unit,
type NT-AL001
)
RS-422A cable (
(2)
(2)
RS-232C cable
(max. length: 2 m)
NT20S
(
NT-AL001
Pin No.
Connector
cover
2
3
4
5
6
9
: Only connected at PC
Section 2-6
RS-232C/RS-422A
converter unit,
type NT-AL001
)
NT20S
) Total cable length: 500 m
Abbrev.
SD
RD
RS-232C
interface
RS
CS
+5V
SG
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