Mitsubishi Electric MELSERVO-J3 Series Handbook page 225

Part 5: Review on Replacement of MR-J3-DU_ with MR-J4-DU_
(2) Drive unit (General-Purpose interface)
(a) Connector comparison table
For details on signals, refer to each servo amplifier instruction manual.
MR-J3-DU_A_
(b) List of corresponding connectors and terminal blocks
MR-J3-DU_A_
No.
Connector name
① I/O signal connector
② Encoder connector
RS-422 communication
③
connector
④ Battery connector
⑤ USB communication connector
⑥ Analog monitor connector
⑦
⑧ Converter unit connectors
⑨ Converter unit connectors
⑩ Motor power supply terminals
L+ L- terminals
⑪
⑫ Control circuit terminal L11/L21
Connector
No.
No.
CN1 ① I/O signal connector
CN2 ② Encoder connector
RS-422 communication
CN3 ③
connector
CN4 ④ Battery connector
CN5 ⑤ USB communication connector
CN6 ⑥ Analog monitor connector
→
⑦ STO input signal connector
Protection coordination
CN40A ⑧
connector
CN40B ⑨
Servo motor power output
TE1 ⑩
terminal
TE2-1/TE2 ⑪ L+/L- terminal
TE3 ⑫ Control circuit terminal L11/L21
5 - 30
MR-J4-DU_A_
MR-J4-DU_A_
Connector
Connector name
CN40A
Precautions
No.
CN1
When connected to
an HG-JR motor, the
CN2
encoder cable needs
to be changed.
CN3
Use the dedicated
CN4 battery of each
series.
CN5
CN6
When not using the
STO function, attach
the short-circuit
CN8 connector supplied
with the drive unit to
CN8 (STO I/O signal
connector).
The structure of the
TE1
main circuit terminal
block varies
TE2-1
depending on the
capacity. Refer to
TE3
"Part 6 Common
Reference Material".