Yaskawa Sigma II Series DC Power Input SGMAJ - Manual (Page 91)

4.3 SERVOPACK Internal Block Diagrams
4-7
4
4.3 SERVOPACK Internal Block Diagrams
4.3.1 Speed and Torque Control (SGDJ-†††S)
POWER
A/D
I/O
1KM
L1
L2
FU1,FU3
CN7
CN9
C1
C2
+5 V
0 V
CN5 CN3
+15 V
P
N
U
V
W
CN1
CN4
PG
M
K1
±5 V
+5 V
-5 V
CN8
FET1-6
+
-
U
V
W
AC/DC
converter
CHARGE
FU2
Speed/torque
reference input
Sequence I/O
Noise
filter
Voltage
sensor
Relay
drive
Gate drive over-
current protector
Interface
Current
sensor
Servomotor
Analog voltage
converter
Analog monitor
output for
supervision
Digital operator or
personal computer
CPU
(Speed calculation, etc.)
ASIC
(PWM control, etc.)
PG output
DC / DC
converter