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4. SIGNALS AND WIRING
2) 400V class
Servo motor
(Note 1)
Servo amplifier
U
V
W
B1
B2
U
V
W
24VDC power
supply for
electromagnetic
brake
50m or less
Forced
stop
(EMG)
Trouble
(ALM)
RA1
24VDC
ALM
DOCOM
DICOM
MBR
CN3
RA1
RA2
Electromagnetic
brake interlock
(MBR)
RA2
RA3
M
Cooling fan
(Note 2)
24VDC
power supply
OHS2OHS1 Servo motor
thermal relay
(Note 3)
L
1
L
2
L3
BU
BV
BW
TE
MC
(Note4)
Cooling fan power supply
(Note 5)
NFB
Note 1. There is no polarity in electromagnetic brake terminals B1 and B2.
2. There is no BW when the power supply of the cooling fan is a 1-phase.
3. Configure the power supply circuit which turns off the magnetic contactor after detection of servo motor thermal.
4. For the cooling fan power supply, refer to (3) (b) in this section.
5. When using a servo motor with an electromagnetic brake, assign the electromagnetic brake interlock (MBR) to external
output signal in the parameters No.PD09 to PD11.