Sgd7S-330A - YASKAWA SGD7S Product Manual

2.2 Block Diagrams

2.2.6 SGD7S-330A

2.2.6

SGD7S-330A

Main
circuit
power
supply
Control
power
supply
2-16
Varistor
L1
L2
L3
-
1
- 2
Voltage
sensor
Varistor
L1C
−
L2C
Status display
+
−
Thyristor
drive
Voltage
sensor
Control
+
power
supply
CN3
CN7
Digital Operator Computer
B1/ +
B2 B3
Fan 1
Overheat/overcurrent
protection
brake circuit
Temperature Current
Gate drive
sensor sensor
Analog
voltage
converter
Processor
(PWM control, position/
speed calculations, etc.)
I/O
Safety function signals
Fan 2
Servomotor
U
V
M
W
Dynamic
ENC
CN2
CN5
Analog monitor
output
CN1
Encoder divided
pulse output
I/O signals
DeviceNet
Module
Feedback
Module
CN8