YASKAWA SGD7S-****20A Series - Block Diagrams; SGD7 S-R70 A, -R90 A, and -1 R6 A; Sgd7 S-2 R8 A

2.2 Block Diagrams
2.2.1 SGD7S-R70A, -R90A, and -1R6A
2-9
2
Selecting a SERVOPACK
2.2 Block Diagrams
2.2.1 SGD7S-R70A, -R90A, and -1R6A
2.2.2 SGD7S-2R8A
L1
B1/ B2 B3
L2
L3
1
2
L1C
L2C
U
V
W
CN3 CN7
CN2
ENC
CN5
M
CHARGE
-
+
-
-
CN8CN11 CN12
I/O
I/F
CN1
CN6A
CN6B
Processor
(PWM control, position/
speed calculations, etc.)
Control
power
supply
Digital Operator ComputerOption Module Option Module
Current
sensor
Dynamic
brake circuit
Servomotor
Gate drive
Analog
voltage
converter
Encoder divided
pulse output
Analog monitor
output
I/O signals
Voltage
sensor
Voltage
sensor
Varistor
Varistor
Relay
drive
Gate drive
overcurrent protection
Temperature
sensor
Safety function signals
Main
circuit
power
supply
Control
power
supply
MECHATROLINK-III
communications
Status display
+
−
+
−
L1
B1/ B2 B3
L2
L3
1
2
L1C
L2C
U
V
W
CN3 CN7
CN2
ENC
CN5
M
CHARGE
-
+
-
-
CN8CN11 CN12
I/O
I/F
CN1
CN6A
CN6B
Processor
(PWM control, position/
speed calculations, etc.)
Control
power
supply
Digital Operator ComputerOption Module Option Module
Current
sensor
Dynamic
brake circuit
Servomotor
Gate drive
Analog
voltage
converter
Encoder divided
pulse output
Analog monitor
output
I/O signals
Voltage
sensor
Voltage
sensor
Varistor
Varistor
Relay
drive
Gate drive
overcurrent protection
Temperature
sensor
Safety function signals
Main
circuit
power
supply
Control
power
supply
MECHATROLINK-III
communications
Status display
+
−
+
−