Mitsubishi Electric MELSERVO-J2 Series Instruction Manual page 239

14. OPTIONS AND AUXILIARY EQUIPMENT
(3) Communication cable
Select the communication cable according to the shape of the RS-232C connector of the personal
computer used. When fabricating the cable, refer to the connection diagram in this section.
The following must be observed in fabrication:
Always use a shielded, multi-core cable and connect the shield with FG securely.
The optional communication cable is 3m (10 ft) long. When the cable is fabricated, its maximum
length is 15m (49 ft) in offices of good environment with minimal noise.
Connection diagram
MR-CPC98CBL3M
Personal computer side
SD
RD
SG
RS
CS
D-SUB25 pins
(Note)
Note: The PC98 Notes having the connector of half-pitch 14 pins are also available. Confirm the shape
of the RS-232C connector of the personal computer used.
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POINT
This cable may not be used with some personal computers. After fully
examining the signals of the RS-232C connector, refer to this section and
fabricate the cable.
Servo amplifier side
Plate
2
3 12
7 11
4
5
Half-pitch 20 pins
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MR-CPCATCBL3M
Personal computer side
FG
2 RXD TXD 3
1 LG
TXD RXD 2
LG GND 5
RTS 7
CTS 8
DSR 6
DTR 4
D-SUB9 pins
14 - 12
Servo amplifier side
Plate FG
2 RXD
1 LG
12 TXD
11 LG
Half-pitch 20 pins