YASKAWA SGD7S Product Manual page 105

4.3 Wiring the Power Supply to the SERVOPACK
4.3.4 Power Supply Wiring Diagrams
• Wiring Example for DC Power Supply Input: SGD7S-R70A, -R90A, -1R6A, -2R8A, -3R8A,
-5R5A, -7R6A, -120A, -180A, and -200A
4-18
R S T
1QF
3SA
1FLT
2KM
1KM
1Ry
Servo power Servo power
ON
1KM
1KM 1Ry
1QF: Molded-case circuit breaker
1FLT: Noise Filter
1KM: Magnetic Contactor
(for control power supply)
2KM: Magnetic Contactor
(for main circuit power supply)
*
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.
SERVOPACK
1FU
B1/
AC/DC 2FU
L1C
AC/DC
L2C
L1
(For servo alarm
L2
display)
L3
1PL
B2
*
B3
OFF 1KM
1SA
2KM
1FU: Fuse
2SA
2FU: Fuse
1Ry: Relay
1PL: Indicator lamp
1SA: Surge Absorber
2SA: Surge Absorber
3SA: Surge Absorber
1D: Flywheel diode
+
2
+24 V
CN1
1Ry
31
ALM +
32
- 1D 0 V
ALM
1