Mitsubishi Electric Melservo-J2-JR SERIES Instruction Manual page 147

12. 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.
(a) Fabricating instructions
The following must be observed in fabrication:
1) Always use a shielded, multi-core cable and connect the shield with FG securely.
2) 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.
(b) Outline drawing
MR-JRPC98CBL3M
A
View A
MR-JRPCATCBL3M
A
View A
(c) Connection diagram
MR-JRPC98CBL3M
Personal computer
side
SD 2
RD 3
SG 7
RS 4
CS 5
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.
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.
3m(9.8ft)
3m(9.8ft)
MR-JRPCATCBL3M
Personal computer
side
Servo amplifier side
2 RXD TXD
4 TXD RXD
1 GND GND
RTS
3 SD
CTS
DSR
DTR
D-SUB9 pins
Servo amplifier side
3 2
2 4
5 1
7
3
8
6
4
12 - 5
13 25
B
1 14
View B
B 5
9
1 6
View B
RXD
TXD
GND
SD