YASKAWA SGDV User Manual page 84

3 Wiring and Connection
3.3.3 Typical Main Circuit Wiring Examples
Three-phase 400 V, SGDV-
• SGDV-1R9D, 3R5D, 5R4D, 8R4D, 120D, 170D
• SGDV-210D, 260D, 280D, 370D
3-26
R S T
1QF
3SA
1FIL
2KM
DC power
supply
24 V
1Ry
Servo power Servo power
supply ON supply OFF
1KM
1KM 1Ry
1QF: Molded-case circuit breaker
1FIL: Noise filter
1KM: Magnetic contactor (for control power supply)
2KM: Magnetic contactor (for main power supply)
1Ry: Relay
R S T
1QF
3SA
1FIL
2KM
DC power
supply
(24 V)
1Ry
Servo power Servo power
supply ON supply OFF
1KM
1KM 1Ry
1QF: Molded-case circuit breaker
1FIL: Noise filter
1KM: Magnetic contactor (for control power supply)
2KM: Magnetic contactor (for main power supply)
1Ry: Relay
D
SERVOPACK
SGDV-
L1
L2
L3
1KM
24 V
+
−
0 V
(For servo
B1/
alarm display)
ALM+
B2
B3
1PL
1
ALM−
2
1KM
1SA
2KM
2SA
SERVOPACK
SGDV-
L1
L2
L3
1KM
+ 24 V
−
0 V
(For servo
B1/
alarm display)
ALM+
B2
1PL
1
ALM−
2
1KM
1SA
Regenerative
2KM
resistor unit
2SA
D
U
V
M
W
ENC
+24 V
CN1
1Ry
31
1D
0 V
32
1PL: Indicator lamp
1SA: Surge absorber
2SA: Surge absorber
3SA: Surge absorber
1D: Flywheel diode
D
U
V
M
W
ENC
+24 V
CN1
1Ry
31
1D
0 V
32
1PL: Indicator lamp
1SA: Surge absorber
2SA: Surge absorber
3SA: Surge absorber
1D: Flywheel diode