YASKAWA Σ-V Series User Manual page 54

• SGDV-550A
R S T
1QF
3SA
1FLT
Servo power
supply ON
1KM
1QF: Molded-case circuit breaker
1FLT: Noise filter
1KM: Magnetic contactor (for control power supply)
2KM: Magnetic contactor (for main power supply)
1Ry: Relay
Three-phase 400 V, SGDV-
•
SGDV-1R9D, 3R5D, 5R4D, 8R4D, 120D, 170D
R S T
1QF
3SA
1FLT
Servo power
supply ON
1KM
1QF: Molded-case circuit breaker
1FLT: Noise filter
1KM: Magnetic contactor (for control power supply)
2KM: Magnetic contactor (for main power supply)
1Ry: Relay
2KM
1KM
(For servo
alarm display)
1Ry
1PL
Servo power
supply OFF
1KM
1SA
2KM
1KM 1Ry
2SA
D
2KM
1KM
DC power
+
supply
−
(24V)
(For servo
alarm display)
1Ry
1PL
Servo power
supply OFF 1KM
1SA
2KM
1KM 1Ry
2SA
SERVOPACK
SGDV- A
ENC
L1
L2
U
L3
V
M
L1C
W
L2C
B1/ CN1
1Ry
3
ALM+
B2
1D
ALM−
4
Regenerative
resistor unit
1PL: Indicator lamp
1SA: Surge absorber
2SA: Surge absorber
3SA: Surge absorber
1D: Flywheel diode
SERVOPACK
SGDV- D
ENC
L1
L2
U
L3
V
M
24V
W
0V
+24 V
B1/
CN1
1Ry
3
B2 ALM+
B3
1
1D
0 V
ALM−
4
2
1PL: Indicator lamp
1SA: Surge absorber
2SA: Surge absorber
3SA: Surge absorber
1D: Flywheel diode
3.1 Main Circuit Wiring
+24 V
0 V
3
3-7