Mitsubishi Electric MELSERVO MR-J3 A Series, Instruction Manual

Page: 62 / 460

3 - 9
3. SIGNALS AND WIRING
(8) MR-J3-11KA4 to MR-J3-22KA4
NFB MC
L
1
L
2
L
3
P
C
U
V
W
TE
PE
L
11
L
21
U
V
W
M
CN2
(Note 5)
P
1
RA1
24VDC
RA2
OHS2 OHS1
Servo motor
thermal relay
BU
BV
BW
(Note 6)
MC
SK
MC
ON
OFF
Emergency
stop
Trouble
RA1
Servo-on
Emergency stop
Servo motor
thermal relay
RA2
(Note 8)
Stepdown
transformer
Regenerative
resistor
Servo amplifier
Dynamic
break
(Note 1)
(Note 2)
Servo motor
(Note 7)
Cooling fan
power supply
(Note 3)
Encoder cable
Encoder
Cooling fan
24VDC
power supply
Trouble
DOCOM
DICOM
DOCOM
(Note 4)
(Note 4)
CN1
EMG
SON
CN1
ALM
3-phase
380 to
480VAC
Note 1. Always connect P-P
1
. (Factory-wired.) When using the power factor improving DC reactor, refer to section 12.13.
2. When using the regenerative option, refer to section 12.2.
3. For the encoder cable, use of the option cable is recommended. Refer to section 12.1 for selection of the cable.
4. For the sink I/O interface. For the source I/O interface, refer to section 3.7.3.
5. Refer to section 3.10.
6. There is no BW if HA-LP11K24 is used.
7. For the cooling fan power supply, refer to section 3.10.2 (3) (b).
8. Stepdown transformer is required for coil voltage of magnetic contactor more than 200V class.