Mitsubishi Electric MELSEC Q Series User Manual page 56

4 INSTALLATION, WIRING, START-UP, AND MAINTENANCE
(Note)
Model name
No.
0.15m(0.49ft.), 0.3m(0.98ft.), 0.5m(1.64ft.),
MR-J3BUS M
1m(3.28ft.), 3m(9.84ft.)
1)
MR-J3BUS M-A 5m(16.4ft.), 10m(32.81ft.), 20m(65.62ft.)
MR-J3BUS M-B 30m(98.43ft.), 40m(131.23ft.), 50m(164.04ft.) Long distance cable
(2) Connection of SSCNET
The connection method of SSCNET cable between QD74MH and servo
amplifier is explained as follows.
When absolute position detection control is executed, installed battery
(MR-J3BAT) to servo amplifier.
QD74MH
CN1
Table 4.1 List of SSCNET
Cable length
cables
SSCNET cable length
MR-J3BUS M use
1) 3m(9.84ft.)
MR-J3BUS M-A use
1) 20m(65.62ft.)
MR-J3BUS M-B use
1) 50m(164.04ft.)
1)
CN1A
CN1B
Servo amplifier
(Note): It cannot communicate with that the connection of
CN1A and CN1B is mistaken.
cable module name
Standard cord for inside panel
Standard cable for outside panel
4 - 7
MELSEC-Q
CN1A
1)
CN1B
Servo amplifier
Description
• QD74MH MR-J3- B
• MR-J3- B
(Note): = Cable length
Cap
MR-J3- B