YASKAWA SGDV SERVOPACK - Three-Phase 200 V, SGDV-R70 A05, -R90 A05, -1 R6 A05 Models; Three-Phase 200 V, SGDV-2 R8 A05 Model

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1.4 SERVOPACK Internal Block Diagrams
1-9
1
Outline
1.4.3 Three-phase 200 V, SGDV-R70A05, -R90A05, -1R6A05 Models
 The following SERVOPACKs do not have cooling fans: SGDV-B
1.4.4 Three-phase 200 V, SGDV-2R8A05 Model
 The following SERVOPACKs do not have cooling fans: SGDV-B
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 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