YASKAWA SGD7S

2.2 Block Diagrams
2.2.8 SGD7S-590A and -780A
2-17
2
Selecting a SERVOPACK
2.2.8 SGD7S-590A and -780A
2.2.9 SGD7S-R70F, -R90F, and -2R1F
L1
B1/
B2
L2
L3
L1C
L2C
U
V
W
CN3
CN2
ENC
A/D
I/O
CN1
CN5
M
CHARGE
+
CN7 CN8
CN11 CN12
2
1
Thyristor
drive
Fan 1 Fan 2
Processor
(PWM control, position/
speed calculations, etc.)
Control
power
supply
Digital Operator ComputerOption Module Option Module
Current
sensor
Dynamic
brake circuit
Servomotor
Analog
voltage
converter
Encoder divided
pulse output
Analog monitor
output
Voltage
sensor
Voltage
sensor
Varistor
Varistor
Temperature
sensor
Safety function signals
Main
circuit
power
supply
Control
power
supply
+
−
+
−
Gate drive
Overheat/overcurrent
protection
Reference pulse input
Reference voltage
input
I/O signals
Panel Operator
Fan 3 Fan 4
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