Yaskawa Sigma-5 User Manual: Design and Maintenance - Rotary Motors - Analog Voltage and Pulse Train Reference - Manual (Page 31)

1.4 SERVOPACK Internal Block Diagrams
1-11
1
Outline
1.4.5 Three-phase 200 V, SGDV-2R8A01 Model
∗ The following SERVOPACKs do not have cooling fans: SGDV- B
1.4.6 Three-phase 200 V, SGDV-3R8A01A, -5R5A01A, -7R6A01A Models
L1
B1/ B2 B3
L2
L3
1
2
L1C
L2C
U
V
W
CN3 CN7
CN2
ENC
A/D
I/O
CN1
CN5
M
CHARGE
CN8
+17 V
±12 V
+5 V
Current
sensor
Dynamic
brake circuit
Servomotor
Gate
drive
Voltage
sensor
Voltage
sensor
Varistor
Varistor
Gate drive
overcurrent
protector
Temperature
sensor
Relay
drive
Fan
ASIC
(PWM control, etc.)
CPU
(Position/speed
calculation, etc.) Panel operator
Digital operator
Analog monitor
output
Reference pulse
input
Reference voltage input
I/O signal
Analog
voltage
converter
Personal
computer Signal for safety function
Control
power
supply
+ 12 V
+
–
+
–
Main circuit
power supply
Control power
supply
Encoder output pulse
∗
Analog
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
+17 V
±12 V
+5 V
Current
sensor
Dynamic
brake circuit
Servomotor
Gate
drive
Voltage
sensor
Voltage
sensor
Varistor
Varistor
Gate drive
overcurrent
protector
Temperature
sensor
Relay
drive
Fan
ASIC
(PWM control, etc.)
CPU
(Position/speed
calculation, etc.) Panel operator
Digital operator
Analog monitor
output
Reference pulse
input
Reference voltage input
I/O signal
Analog
voltage
converter
Personal
computer Signal for safety function
Control
power
supply
± 12 V
+
–
+
–
Main circuit
power supply
Control power
supply
Encoder output pulse
Analog