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13. OPTIONS AND AUXILIARY EQUIPMENT
(2) Connection example
13 U14 V W
NFB
MC
L
11
L
21
U
V
W
U
V
W
E
M
a
b
RA1
RA1
EMG
CN1B
5
SON
CN1B
L
3
L2
L
1
RA1
15
EMG
10 SG
SDPlate
18
DB
13
COM
3
VDD
MC
SK
MC
ON
OFF
(Note 1)
EMG
Servo amplifier
Servo motor
Dynamic brake
(Note 3)
Power
supply
Operation-ready
P
P
1
(Note 2)
Note 1. Configure up the circuit so that power is switched off in the external sequence at servo alarm occurrence.
2. When using the servo amplifier of 11k to 22kW, make sure to connect P
1
and P. (Factory-wired.) When using the power factor
improving DC reactor, refer to section 13.2.4.
3. Refer to section 1.3 for the power supply specification.
Servo motor rotation
Coasting
Alarm
RA1
ON
OFF
Emergency stop
(EMG)
Absent
Invalid
Valid
Short
Open
a. Timing chart at alarm occurrence b. Timing chart at emergency stop (EMG) validity
Dynamic brake
Base
ON
OFF
Coasting
Dynamic brake
Dynamic brake
Present