Sgd7S-180A And -200A - YASKAWA E-7S SERVOPACK SGD7S Product Manual

2.2.5

SGD7S-180A and -200A

Varistor
L1
Main
L2
circuit
power
supply
L3
- 1
- 2
-
Varistor
L1C
Control
L2C
power
supply
Voltage Relay
sensor drive
Control
+
power
−
supply
Status display
CN3
Digital Operator
B1/ +
B2 B3
+
−
Overheat/overcurrent
protection
Voltage
Temperature
Gate drive
sensor sensor
Processor
(PWM control, position/
speed calculations, etc.)
CN7
Computer
2.2 Block Diagrams

2.2.5 SGD7S-180A and -200A

Fan
Servomotor
U
V
M
W
Dynamic
brake circuit
Current
sensor
ENC
CN2
CN5
Analog Analog monitor
voltage
output
converter
CN1
Encoder divided
pulse output
I/O
I/O signals
INDEXER
Module
Feedback
Module
CN8
Safety function signals
2
2-15