YASKAWA SGD7S Product Manual page 61

2.2 Block Diagrams
2.2.4 SGD7S-120A
• Optional Specifications: Single-Phase, 200-VAC Power Supply Input (SERVOPACK Model:
SGD7S-120A20A008)
Main
circuit
power
supply
-
-
-
L1C
Control
L2C
power
supply
Option Module
2-12
Varistor
L1
L2
L3
1
2
Voltage
sensor
Varistor
+
−
Status display
CN11 CN12
Option Module
B1/ +
+
−
Relay Voltage 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.)
I/O
I/F
CN8
Safety function signals
Servomotor
U
V
M
W
ENC
CN2
CN5
Analog monitor
output
CN1
Encoder divided
pulse output
I/O signals
CN6A
MECHATROLINK-III
communications
CN6B