Power Supply Wiring Diagrams - YASKAWA SGD7S Product Manual

4.3.4

Power Supply Wiring Diagrams

Using Only One SERVOPACK
• Wiring Example for Three-Phase, 200-VAC Power Supply Input: SGD7S-R70A, -R90A,
-1R6A, -2R8A, -3R8A, -5R5A, -7R6A, -120A, -180A,-200A, and -330A
1QF
3SA
*
You do not have to connect B2 and B3 for the following models: SGD7S-R70A, SGD7S-R90A, SGD7S-
1R6A, and SGD7S-2R8A. Do not connect them.
• Wiring Example for Three-Phase, 200-VAC Power Supply Input: SGD7S-470A, -550A,
-590A, and -780A
1QF
3SA
R S T
1FLT
2KM
1KM
(For servo alarm
display)
1Ry
Servo power Servo power
ON OFF
1KM
1KM 1Ry
R S T
1FLT
2KM
1KM
(For servo alarm
display)
1Ry
Servo power Servo power
ON OFF
1KM
1Ry
1KM
4.3 Wiring the Power Supply to the SERVOPACK
SERVOPACK
L1
L2
L3
L1C
L2C
B1/
B2
CN1
*
3 ALM
B3
1
1PL
2
ALM
4
1KM
1SA
1QF: Molded-case circuit breaker
2KM
1FLT: Noise Filter
1KM: Magnetic Contactor
(for control power supply)
2KM: Magnetic Contactor
2SA
(for main circuit power supply)
SERVOPACK
L1
L2
L3
L1C
L2C
B1/
B2
CN1
3 ALM
1
1PL
2
ALM
4
1KM
1SA Regenerative
Resistor Unit
2KM
1QF: Molded-case circuit breaker
1FLT: Noise Filter
2SA
1KM: Magnetic Contactor
(for control power supply)
2KM: Magnetic Contactor
(for main circuit power supply)

4.3.4 Power Supply Wiring Diagrams

+24 V
1Ry
+
−
1D 0 V
1Ry: Relay
1PL: Indicator lamp
1SA: Surge Absorber
2SA: Surge Absorber
3SA: Surge Absorber
1D: Flywheel diode
+24 V
1Ry
+
−
1D 0 V
1Ry: Relay
1PL: Indicator lamp
1SA: Surge Absorber
2SA: Surge Absorber
3SA: Surge Absorber
1D: Flywheel diode
4
4-17