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4. SIGNALS AND WIRING
(6) MR-J3-350T4 to MR-J3-700T4
NFB MC
3-phase
380 to
480VAC
Servo amplifier
RA
U
V
W
2
3
4
1
M
Motor
Encoder
24VDC
(Note 3)
Encoder cable
(Note 5)
Trouble
Forced stop
(Note 4)
Forced
stop
RA
SK
MC
ON
OFF
MC
(Note 4)
(Note 6)
Stepdown
transformer
EMG
L
1
L
2
L3
ALM
C
DICOM
DOCOM
P
U
V
W
TE1
PE
L
11
L
21
TE2
CN2
DOCOM
P1
P
2
N
TE3
CN6 CN6
(Note 1)
(Note 2)
Built-in
regenerative
resistor
Cooling fan
(Note 7)
Power supply
of cooling fan
BU
BV
Servo motor
NFB
Note 1. Always connect P1 and P2. (Factory-wired.) When using the power factor improving DC reactor, refer to section 14.11.
2. When using the regenerative option, refer to section 14.2.
3. For encoder cable, use of the option cable is recommended. Refer to section 14.1 for selection of the cable.
4. For the sink I/O interface. For the source I/O interface, refer to section 4.8.3.
5. Refer to section 4.10.
6. Stepdown transformer is required for coil voltage of magnetic contactor more than 200V class.
7. A cooling fan is attached to the HA-LP6014 and the HA-LP701M4 servo motors. For power supply specification of the cooling
fan, refer to section 4.10.2 (3) (b).