YASKAWA SGDV - Page 54

3.1 Main Circuit Wiring
3-7
3
Wiring and Connection
 Three-phase 200 V, SGDV-A
• SGDV-R70A, R90A, 1R6A, 2R8A, 3R8A, 5R5A, 7R6A, 120A, 180A, 200A, 330A
∗ For SGDV-R70A, -R90A, -1R6A, -2R8A, terminals B2 and B3 are not short-circuited.
• SGDV-470A, 550A, 590A, 780A
1PL: Indicator lamp
1SA: Surge absorber
2SA: Surge absorber
3SA: Surge absorber
1D: Flywheel diode
1QF: Molded-case circuit breaker
1FIL: Noise filter
1KM: Magnetic contactor (for control power supply)
2KM: Magnetic contactor (for main power supply)
1Ry: Relay
2KM
L1
ENC
SERVOPACK
SGDV-A
U
V
W
M
0 V
1Ry
ALM+
ALM−
31
32
1D
B2
B3
L2
CN1
1KM
L1C
L3
L2C
1QF
RS T
1FIL
+24 V
1
2
3SA
*
B1/
1Ry
1PL
1KM
2KM
1SA
1Ry1KM
2SA
1KM
(For servo
alarm display)
supply ON
Servo power
supply OFF
Servo power
2KM
L1
ENC
SGDV-A
U
V
W
M
0 V
1Ry
ALM+
ALM−
31
32
1D
B2
L2
CN1
1KM
L1C
L3
L2C
1QF
RS T
1FIL
+24 V
3SA
B1/
1Ry
1PL
1KM
2KM
1SA
1Ry1KM
2SA
1KM
Regenerative
resistor unit
(For servo
alarm display)
supply ON
Servo power
supply OFF
Servo power
SERVOPACK
1QF: Molded-case circuit breaker
1FIL: 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