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Connection
Connection Between RS-232C (PT) and RS-232C (Computer Link)
9-pin
connector
Caution:
F Recommended Parts for RS-422A Terminal Blocks (For NT-
AL001)
<Appropriate crimp terminals>
Fork type
6.2 mm or less
Part
Crimp terminal
(M3)
(*1)
(*1) Appropriate wire size: 0.3 to 0.75 mm
PT
Host interface connector
(RS-232C, 9-pin type)
Cable with RS-232C connector
(maximum length: 15 m)
After connecting a communication cable, always secure it with the screws.
Otherwise the cable may disconnect, causing operation to fail.
F Wiring When Computer Link Module has a 25-pin Connector
There is a shielding wire at the computer link module side only: connect it to the
connector cover and to the No.1 pin (FG).
PT
Abbrev.
Pin No.
FG
SD
RD
RS
RS-232C
interface
CS
+5V
SG
(9-pin)
Round type
6.2 mm or less
Model
Y1.25-3.5L
1.25-N3A
Computer link module
1
2
3
4
5
6
7
8
9
Shielding wire
Remarks
Fork type, made by molex
Fork type, made by Japan Sold-
erless Terminal MFG
2
Mitsubishi A series PC
25-pin connector/
9-pin connector
Mitsubishi computer link module
Pin No.
Abbrev.
1
FG
2
SD
3
RD
4
RS
RS-232C
interface
5
CS
6
DR
7
SG
8
CD
9
ER
(25-pin)
Chapter 2-2
2-5
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