Power Supply Wiring Diagrams - YASKAWA SGD7S-1R9D Product Manual

4.3.4

Power Supply Wiring Diagrams

Using Only One SERVOPACK
• Wiring Example for Three-Phase, 400-VAC Power Supply Input: SGD7S-1R9D, -3R5D,
-5R4D, -8R4D, -120D, and -170D
1QF
3SA
• Wiring Example for Three-Phase, 400-VAC Power Supply Input: SGD7S-210D, -260D,
-280D, and -370D
1QF
3SA
R S T
1FLT
2KM
1KM
(For servo alarm
display)
1Ry
Servo power Servo power
ON OFF
1KM
1Ry
1KM
R S T
1FLT
2KM
1KM
(For servo alarm
1Ry
Servo power Servo power
ON OFF
1KM
1Ry
1KM
4.3 Wiring the Power Supply to the SERVOPACK
SERVOPACK
L1
L2
L3
24 V
AC/DC
0 V
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)
2SA
2KM: Magnetic Contactor
(for main circuit power supply)
SERVOPACK
L1
L2
L3
24 V
AC/DC
0 V
B1
B2
CN1
display)
3 ALM
1
1PL
2
ALM
4
1KM
1SA
2KM 1QF: Molded-case circuit breaker
1FLT: Noise Filter
1KM: Magnetic Contactor
(for control power supply)
2SA
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
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