2.2.6
SGD7S-330A
Varistor
L1
Main
circuit
L2
power
supply
L3
-
1
-
2
Varistor
L1C
Control
L2C
power
supply
Voltage
Thyristor
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
2.2.6 SGD7S-330A
Fan 1
Fan 2
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
DeviceNet
Module
Feedback
Module
CN8
Safety function signals
2
2-15