YASKAWA SGD7S-****20A Series - SGD7 S-470 A and -550 A

2.2 Block Diagrams
2.2.7 SGD7S-470A and -550A
2
Selecting a SERVOPACK
2-15
2.2.7 SGD7S-470A and -550A
L1
B1/
B2
L2
L3
L1C
L2C
U
V
W
CN3
CN2
ENC
CN5
CN1
M
CHARGE
+
CN7 CN8
I/O
I/F
CN6A
CN6B
CN11 CN12
2
1
Processor
(PWM control, position/
speed calculations, etc.)
Control
power
supply
Digital Operator ComputerOption Module Option Module
Current
sensor
Dynamic
brake circuit
Servomotor
Analog
voltage
converter
Encoder divided
pulse output
Analog monitor
output
Voltage
sensor
Voltage
sensor
Varistor
Varistor
Thyristor
drive
Temperature
sensor
Safety function signals
Main
circuit
power
supply
Control
power
supply
+
−
+
−
Fan 1
Gate drive
Overheat/overcurrent
protection
Status display
MECHATROLINK-III
communications
I/O signals
Fan 2
Fan 3