52
Connection to a PC by the NT Link (1:N)
Section 2-6
Wiring Method
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.
C200HX/HG/HE
RS-232C cable
(max. length: 2 m),
or directly
connected RS-422A
cable
RS-232C/RS-422A
converter unit,
type NT-AL001
RS-232C/RS-422A
converter unit,
type NT-AL001
RS-232C/RS-422A
converter unit,
type NT-AL001
RS-232C/RS-422A
converter unit,
type NT-AL001
RS-232C/RS-422A
converter unit,
type NT-AL001
RS-422A cable (
)
RS-422A cable (
)
RS-422A cable (
)
RS-422A cable (
)
RS-232C cable
(max. length: 2 m)
RS-232C cable
(max. length: 2 m)
RS-232C cable
(max. length: 2 m)
RS-232C cable
(max. length: 2 m)
NT20S
NT20S
NT20S
NT20S
(
)
Total cable length: 500 m
(1)
(2)
(2)
(2)
[RS-232C Cable Wiring]
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
NT20S. For the pin numbers at the PC,
refer to the manual for the PC used.
Summary of Contents for NT20S
Page 1: ...Cat No V020 E1 04 NT20S Programmable Terminal OPERATION MANUAL ...
Page 2: ...i ...
Page 3: ...ii ...
Page 4: ...iii NT series Programmable Terminal Operation Manual Revised August 1997 ...
Page 5: ...iv ...
Page 7: ...vi ...
Page 11: ...x ...
Page 19: ...xviii ...
Page 129: ...110 ...
Page 169: ...150 ...
Page 253: ...234 ...