Sgd7S-330A - YASKAWA SGD7S Product Manual

2.2.6

SGD7S-330A

Varistor
L1
Main
circuit
L2
power
supply
L3
- 1
2
-
Varistor
L1C
Control
L2C
power
supply
CN11
Option Module
Voltage Thyristor
sensor drive
Control
+
power
−
supply
Panel Operator
CN12 CN3
Option Module 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
2.2.6 SGD7S-330A
Fan 1 Fan 2
Servomotor
U
V
M
W
Dynamic
brake circuit
Current
sensor
ENC
CN2
CN5
Analog monitor
Analog
voltage
output
converter
CN1
Reference pulse input
Encoder divided
pulse output
Reference voltage
A/D
input
I/O
I/O signals
CN8
Safety function signals
2
2-15