Sgd7S-180A And -200A - YASKAWA SGD7S Product Manual

2.2 Block Diagrams

2.2.5 SGD7S-180A and -200A

2.2.5 SGD7S-180A and -200A
Main
circuit
power
supply
Control
power
supply
2-14
Varistor
L1
L2
L3
- 1
- 2
-
Voltage
sensor
Varistor
L1C
+
−
L2C
Panel Operator
CN11 CN12
Option Module Option Module
B1/
+
−
Voltage
Relay Temperature
sensor
drive
Control
power
supply
CN3 CN7
Digital Operator Computer
+
B2 B3
Fan
Overheat/overcurrent
Dynamic
protection
brake circuit
Current
Gate drive
sensor sensor
Analog
voltage
converter
Processor
(PWM control, position/
speed calculations, etc.)
A/D
I/O
CN8
Safety function signals
Servomotor
U
V
M
W
ENC
CN2
CN5
Analog monitor
output
CN1
Reference pulse input
Encoder divided
pulse output
Reference voltage
input
I/O signals