Mitsubishi Electric MELSERVO-J3 Series Handbook page 229

Part 5: Review on Replacement of MR-J3-DU_ with MR-J4-DU_
(3) Drive unit (SSCNET interface)
(a) Connector comparison table
For details on signals, refer to each servo amplifier instruction manual.
MR-J3-DU_B_
(b) List of connector and terminal block correspondence
MR-J3-DU_B_
No.
Connector name
① SSCNET cable connector
② SSCNET cable connector
③ Encoder connector
④ I/O signal connector
⑤ Battery connector
⑥ USB communication connector
⑦
⑧ Converter unit connectors
⑨ Converter unit connectors
⑩ Motor power supply terminals
⑪ L+ L- terminals
Control circuit terminal L11/L21
⑫
Connector
No.
No.
CN1A ① SSCNET cable connector
CN1B
② SSCNET cable connector
CN2
③ Encoder connector
CN3 ④ I/O signal connector
CN4 ⑤ Battery connector
CN5 ⑥ USB communication connector
→
⑦ STO input signal connector
CN40A ⑧ Protection coordination connector
CN40B ⑨
Servo motor power output
TE1 ⑩
terminal
TE2-1/TE2 ⑪ L+ L- terminal
TE3 Control circuit terminal L11/L21
⑫
5 - 34
MR-J4-DU_B_
MR-J4-DU_B_
Connector
Connector name
Precautions
No.
CN1A
CN1B
CN2
When connected
to an HG-JR
CN3 motor, the encoder
cable needs to be
changed.
Use the dedicated
CN4 battery of each
series.
CN5
When not using
the STO function,
attach the short-
circuit connector
CN8
supplied with the
drive unit to CN8
(STO I/O signal
connector).
CN40A
The structure of
TE1
the main circuit
terminal block
TE2-1
varies depending
on the capacity.
Refer to "Part 6
TE3
Common
Reference
Material"