YASKAWA SGDV-COA, User Manual, Page: 34 / 363

1.5 Internal Block Diagrams
1-13
1
Outlin
e
1.5
Internal Block Diagrams
1.5.1
Internal Block Diagram of the Multi-Winding Drive Unit
1.5.2
Internal Block Diagram for SERVOPACK and Converter
Reference voltage input
A/D
CPU
(e.g., position
and speed calculations)
ASIC
(e.g., torque calculations)
ASIC
(local communications)
I/F
I/O
Analog
voltage
converter
I/F
I/F
CN41A
CN41B
CN21
CN9A
CN9B
CN1
Digital
operator
Personal
computer
Not used.
I/O signals
Analog monitor
output
Encoder
Local
communications
Encoder divided
pulse output
CN7A
CN54 CN4
CN7B
+5 V
± 15 V
+
-
+24 V
0 V
Panel operator
Control power
supply (You must
provide a DC power
supply (24 VDC).)
Control
power
supply
Control
power
supply
L1
+
B2
L2
+24 V
0 V
㸩
㸫
U
V
W
+5 V
Voltage sensor
gate drive
- 1
Voltage
sensor
Fan
2
L3
MC
drive
Voltage
sensor
- 2
CHARGE
P24 V
Fan
1
SPD
㸩
㸫
+15 V
+24 V×2
P
N
+24 V
24C
+24 V
24C
CN103
CN104
CN901
Fan
Temperature
sensor
P
N
CHARGE
Voltage
sensor
Current
sensor
Gate drive
Fan
4
Fan 3
(55-kW
models only)
Temperature
sensor
Converter I/O
SERVOPACK control
power supply
㸩
㸫 CN103
CN104
P24 V
0 V
CN901
Control
power
supply
+24 V×6
24 V
+5 V
15 V
ASIC
(e.g., PWM control)
CPU (e.g., position and
speed calculations)
CN2
Display LED
CN6A CN6B
Local communications
Local communications
㸩
㸫
P24 V P24 V P24 V
24 V
-
B1
㸩
㸫
DU
DV
DW
CN115
Dynamic
brake unit
Not used. Not used.
I/O signals
CN5
CN3 CN7 CN8
Safety function signals
CN1
Analog
voltage
converter
Not used.
Not used.
I/O
Control power supply
(You must provide the
DC power supply (24 VDC).)
Main circuit
power supply
Regenerative
resistor unit
㸩
㸫
㸩
㸫
M-II