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

2.2

Block Diagrams

2.2.1

SGD7S-R70A, -R90A, and -1R6A

Varistor
L1
Main
circuit
L2
power
supply L3
- 1
- 2
-
Varistor
L1C
Control
power
L2C
supply
CN11
Option Module
2.2.2

SGD7S-2R8A

L1 Varistor
Main
circuit
L2
power
L3
supply
-
1
- 2
-
Varistor
L1C
Control
power
L2C
supply
CN11
Option Module
Voltage
Relay
sensor
drive
Control
+
power
−
supply
Panel Operator
CN12 CN3
Option Module Digital Operator
Voltage
Relay
sensor
drive
Control
+
power
−
supply
Panel Operator
CN12 CN3
Option Module Digital Operator
2.2.1 SGD7S-R70A, -R90A, and -1R6A
B1/ + B2 B3
+
−
Voltage
Temperature Gate drive
Gate drive
sensor
sensor overcurrent protection
Processor
(PWM control, position/
speed calculations, etc.)
CN7
Computer Safety function signals
B1/ + B2 B3
+
−
Voltage Temperature Gate drive
Gate drive
sensor sensor overcurrent protection
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
Analog monitor
voltage
output
converter
CN1
Reference pulse input
Encoder divided
pulse output
Reference voltage
A/D
input
I/O
I/O signals
CN8
Servomotor
U
V
M
W
Dynamic
brake circuit
Current
sensor
ENC
CN2
CN5
Analog Analog monitor
voltage
output
converter
CN1
Reference pulse input
Encoder divided
pulse output
Reference voltage
A/D
input
I/O
I/O signals
CN8
2-11
2