Block Diagrams; Sgd7S-R70A, -R90A, And -1R6A; Sgd7S-2R8A - YASKAWA E-7S SERVOPACK SGD7S Product Manual

2.2

Block Diagrams

2.2.1

SGD7S-R70A, -R90A, and -1R6A

L1 Varistor
Main
circuit
L2
power
L3
supply
- 1
- 2
-
L1C Varistor
Control
power
L2C
supply
2.2.2

SGD7S-2R8A

L1 Varistor
Main
circuit
L2
power
L3
supply
- 1
- 2
-
Varistor
L1C
Control
power
L2C
supply
Voltage
Relay
sensor
drive
Control
+
power
−
supply
Status display
CN3
Digital Operator
Relay
Voltage
drive
sensor
Control
+
power
−
supply
Status display
CN3
Digital Operator

2.2.1 SGD7S-R70A, -R90A, and -1R6A

B1/ + B2 B3
+
−
Temperature Gate drive
Voltage
Gate drive
sensor overcurrent protection
sensor
Processor
(PWM control, position/
speed calculations, etc.)
CN7
Computer Safety function signals
B1/ + B2 B3
+
−
Temperature Gate drive
Voltage
Gate drive
sensor overcurrent protection
sensor
Processor
(PWM control, position/
speed calculations, etc.)
CN7
Computer Safety function signals

2.2 Block Diagrams

Servomotor
U
V
M
W
Dynamic
brake circuit
Current
sensor
ENC
CN2
CN5
Analog monitor
Analog
voltage
output
converter
CN1
Encoder divided
pulse output
I/O signals
I/O
INDEXER
Module
Feedback
Module
CN8
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 signals
I/O
INDEXER
Module
Feedback
Module
CN8
2-11
2