Yaskawa Sigma-5 User Manual: Design and Maintenance - Rotary Motors - Analog Voltage and Pulse Train Reference - Manual (Page 33)

1.4 SERVOPACK Internal Block Diagrams
1-13
1
Outline
1.4.9 Three-phase 200 V, SGDV-330A01A Model
1.4.10 Three-phase 200 V, SGDV-470A01A, -550A01A Models
L1
B1/ B2 B3
L2
L3
1
2
L1C
L2C
U
V
W
CN3
CN2
ENC
A/D
I/O
CN1
CN5
M
CHARGE
CN7 CN8
Varistor
+
–
+
–
+15 V × 4
±12 V
+5 V
Current
sensor
Dynamic
brake circuit
Servomotor
Gate drive Voltage
sensor
Voltage
sensor
Varistor
Temperature
sensor
Thyristor
drive
Fan 2 Fan 1
ASIC
(PWM control, etc.)
CPU
(Position/speed
calculation, etc.) Panel operator
Digital operator
Analog monitor
output
Reference pulse
input
Rference voltage input
I/O signal
Analog
voltage
converter
Personal
computer Signal for safety function
Overheat protector,
overcurrent protector
Control
power
supply
± 12 V ± 12 V
Main circuit
power supply
Control power
supply
Encoder output pulse
Analog
L1
B1/ B2
L2
L3
L1C
L2C
U
V
W
CN3
CN2
ENC
A/D
I/O
CN1
CN5
M CHARGE
CN7 CN8
+15 V × 4
± 12 V
+5 V
± 12 V ± 12 V ± 12 V
Current
sensor
Dynamic
brake circuit
Servomotor
Gate
drive
Voltage
sensor Voltage
sensor
Varistor
Varistor
Temperature
sensor Thyristor
drive
Fan 1 Fan 2 Fan 3
ASIC
(PWM control, etc.)
CPU
(Position/speed
calculation, etc.) Panel operator
Digital operator
Analog monitor
output
Reference pulse
input
Rference voltage input
I/O signal
Analog
voltage
converter
Personal
computer Signal for safety function
Control
power
supply
Overheat protector,
overcurrent protector
Main circuit
power supply
Control power
supply
Encoder output pulse
+
–
+
–
Analog