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3. SIGNALS AND WIRING
(8) MR-J3-11TK4 to MR-J3-22KT4
(Note 8)
Stepdown
transformer
BU
BV
BW
NFB MC
L
1
L
2
L
3
P
C
U
V
W
TE
PE
L
11
L21
U
V
W
M
CN2
P1
EMG
ALM RA1
DICOM
DOCOM
24VDC
Trouble
DOCOM
CN6 CN6
(Note 4)
OHS2OHS1
MC
SK
MC
ON
OFF
(Note 5)
(Note 1)
(Note 2)
3-phase
200 to
230VAC
Servo amplifier
Dynamic
break
(Option)
Servo motor
Cooling fan
Servo motor
thermal relay
Servo motor
thermal relay
RA2
(Note3)
Encoder cable
Encoder
Regenerative
resistor
Motor
(Note 4)
Forced stop
NFB
U
V
W
(Note 1)
(Note 2)
RA2
24VDC
power supply
OHS2
Trouble
RA1
Servo amplifier Servo motor
Forced
stop
SON
DICOMD
CN10
MR-J3-D01
DOCOMD
Servo-on
24VDC
(Note 7)
Power supply
of cooling fan
(Note 6)
NFB
Note 1. Always connect P1 and P2. (Factory-wired.) When using the power factor improving DC reactor, refer to section 13.11.
2. Connect the regenerative resistor. When using the regenerative option, refer to section 13.2.
3. For encoder cable, use of the option cable is recommended. Refer to section 13.1 for selection of the cable.
4. For the sink I/O interface. For the source I/O interface, refer to section 3.8.3.
5. Refer to section 3.10.
6. Servo amplifiers does not have BW when the cooling fan power supply is 1-phase.
7. For the power supply of cooling fan, refer to section 3.10.2 (3) (b).
8. Stepdown transformer is required for coil voltage of magnetic contactor more than 200V class.