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12. OPTIONS AND AUXILIARY EQUIPMENT
(2) Connection example
Operation-ready
13 U14 V W
External dynamic brake
a
b
RA2
(Note 5)
L
11
L21
Servo amplifier
15 SON
L
3
L
2
L1
RA2
42 EMG
46
DOCOM
SDPlate
U
V
W
U
V
W
M
Servo motor
P
P
1
(Note 1)
CN1
(Note 3)
DB
20
DICOM
47
DOCOM
24VDC
ALM48
(Note 2)
RA1
RA2
MCNFB
MC
ALM
RA1
OFF ON
MC
(Note 6)
EMG (Note 6)
Dynamic brake
interlock
SK
(Note 4)
Power
supply
Note 1. For the servo amplifiers from 11k to 22kW, be sure to connect P and P
1
. (Factory-wired) When using the power factor DC
reactor, refer to section 12.13. Use only one of power factor improving DC reactor or power factor improving AC reactor.
2. For 400VAC class, a step-down transformer is required.
3. Assign the dynamic brake interlock (DB) in the parameters No.PD13 to PD18.
4. For the specification of power supply, refer to section 1.3.
5. The power supply voltage of the inside magnet contactor for 400V class dynamic brake DBU-11K-4 and DBU-22K-4 is
restricted as follows. When using these dynamic brakes, use them within the range of the power supply.
Dynamic brake Power supply voltage
DBU-11K-4
DBU-22K-4
1-phase 380 to 463VAC 50Hz/60Hz
6. Configure the circuit to shut down the main circuit power supply simultaneously with the turn off of emergency stop (EMG)
using the external sequence.