Yaskawa Sigma-5 User Manual: Design and Maintenance - Rotary Motors - Manual (Page 51)

3.1 Main Circuit Wiring
3-7
Wiring and Connection
• SGDV-470A, 550A, 590A, 780A
Three-phase 400 V, SGDV- D
• SGDV-1R9D, 3R5D, 5R4D, 8R4D, 120D, 170D
2KM
L1
ENC
U
V
W
M
0 V
1Ry
ALM+
ALM −
3
4 1D
B2
L2
CN1
1KM
L1C
L3
L2C
1QF
R S T
1FLT
+24 V
3SA
B1/
1Ry
1PL
1KM
2KM
1SA
1Ry 1KM
2SA
1KM
SGDV- A
Regenerative
resistor unit
(For servo
alarm display)
supply ON
Servo power
supply OFF
Servo power
SERVOPACK
1QF: Molded-case circuit breaker
1FLT: Noise filter
1KM: Magnetic contactor (for control power supply)
2KM: Magnetic contactor (for main power supply)
1Ry: Relay 1PL: Indicator lamp
1SA: Surge absorber
2SA: Surge absorber
3SA: Surge absorber
1D: Flywheel diode
ENC
U
V
W
M
0 V
1Ry
ALM+
ALM −
3
4
1D
CN1
1QF
R S T
1FLT
+24 V
3SA
B2
B3
1
2
B1/
1Ry
1PL
1KM
2KM
1SA
1Ry 1KM
2SA
L1
2KM
L2
L3
24V +
−
1KM
0V
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 1PL: Indicator lamp
1SA: Surge absorber
2SA: Surge absorber
3SA: Surge absorber
1D: Flywheel diode
SGDV- D
DC power
supply
(24V)
(For servo
alarm display)
supply ON
Servo power
supply OFF
Servo power
SERVOPACK