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4. SIGNALS AND WIRING
(8) MR-J3-11KT4 to MR-J3-22KT4
NFB MC
L
1
L
2
L
3
P
C
U
V
W
TE
PE
L
11
L
21
U
V
W
M
CN2
P
1
EMG
ALM RA1
DICOM
DOCOM
24VDC
Trouble
DOCOM
CN6 CN6
(Note 4)
OHS2OHS1
(Note 7)
Stepdown
transformer
MC
SK
MC
ON
OFF
(Note 5)
(Note 1)
(Note 2)
(Note 6)
3-phase
200 to
230VAC
Servo amplifier
Dynamic
break
(Option)
Servo motor
Cooling fan
Servo motor
thermal relay
Servo motor
thermal relay
RA2
(Note 3)
Encoder cable
Encoder
Regenerative
resistor
Motor
(Note 4)
Forced stop
BU
BV
BW
NFB
U
V
W
(Note 1)
(Note 2)
RA2
24VDC
power supply
OHS2
Trouble
RA1
Servo amplifier Servo motor
Forced
stop
NFB
Note 1. Always connect P1 and P2. (Factory-wired.) When using the power factor improving DC reactor, refer to section 14.11.
2. Connect the regenerative resistor. 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. Servo amplifiers does not have BW when the cooling fan power supply is 1-phase.
7. Stepdown transformer is required for coil voltage of magnetic contactor more than 200V class.