YASKAWA SGDV series - Page 62

3 Wiring and Connection
3.1.3 Typical Main Circuit Wiring Examples
3-16
 Three-phase 400 V
1QF: Molded-case circuit breaker
2QF: 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
Thermostat
Dynamic
brake unit
Three-phase,
400 VAC
Regenerative
resistor unit
DC power
supply
(24 V)
1
2
1FLT
3SA
Fan
M
ENC
+24 V
0 V
ALM+
ALM-
CN1
31
32
1D
1Ry
1Ry
1Ry
U
V
W
DB24
DBON
P
P
SERVOPACKConverter
B1
B2
L1
L2
L3
24 V
0 V
U
V
W
RS T
1QF
2KM
1KM
1KM
2KM
1SA
2SA
1KM
1KM
Servo power
supply ON
Servo power
supply OFF
a
b
ab
100/200 VAC
CN901CN901
CN103
CN103
CN101
CN2
DU
DV
DW
CN115
N
N
+
-
2QF
CBA
1
1b