YASKAWA SGD7S

2.2 Block Diagrams
2.2.10 SGD7S-2R8F
2-18
2.2.10 SGD7S-2R8F
Processor
(PWM control, position/
speed calculations, etc.)
Control
power
supply
B1/ B2
L1C
L2C
U
V
W
Panel Operator
Digital Operator Computer
CN3
Option Module
CN11
Option Module
CN12 CN7
Current
sensor
Dynamic
brake circuit
CN2
Servomotor
ENC
Gate
drive
Analog
voltage
converter
A/D
I/O
CN1
CN5
Encoder divided
pulse output
Analog monitor
output
Reference pulse input
Reference voltage
input
I/O signals
Varistor
M
+
Gate drive
overcurrent
protection
Temperature
sensor
Safety function signals
CN8
Control
power
supply
+
−
L1
L2
Voltage
sensor
Voltage
sensor
Varistor
Relay
drive
+
−
+
−
CHARGE
Main
circuit
power
supply