Sgd7S-3R8A, -5R5A, And -7R6A - YASKAWA SGD7S Product Manual

2.2 Block Diagrams

2.2.3 SGD7S-3R8A, -5R5A, and -7R6A

2.2.3

SGD7S-3R8A, -5R5A, and -7R6A

L1
Main
L2
circuit
power
supply
L1C
Control
L2C
power
supply
2-12
Varistor
L3
- 1
- 2
-
Voltage
sensor
Varistor
Status display
B1/
+
−
Relay
Voltage
Gate drive
drive
sensor
Control
+
power
−
supply
CN3 CN7
Digital Operator Computer
+ B2 B3
Dynamic
brake circuit
Temperature Gate drive Current
sensor overcurrent protection sensor
Analog
voltage
converter
Processor
(PWM control, position/
speed calculations, etc.)
I/O
CN8
Safety function signals
Fan
Servomotor
U
V
M
W
ENC
CN2
CN5
Analog monitor
output
CN1
Encoder divided
pulse output
I/O signals
DeviceNet
Module
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Module