Yaskawa Σ-V Series AC Servo Drives Rotational Motor Analog Voltage Reference - Manual (Page 25)

1.4 SERVOPACK Internal Block Diagrams
1-7
1
Outline
1.4
SERVOPACK Internal Block Diagrams
1.4.1 Analog Voltage Reference (Model: SGDV- ES1A)
1.4.2 Pulse Train Reference (Model: SGDV- EP1A)
M
L1
L2
+
C1
C2
+
+5 V
+3.3 V
I/O
CN1
CN7
CN4
U
V
W
CN3
ALM RDY
ENC
CN2
DC/DC
converter
(non
-isolated)
+5 V
+12.5 V
A/D
External monitor
CN5
±10 V
Control power
supply
Main circuit
power supply
Voltage
sensor
DC/DC
converter
(non
-isolated)
DC/DC
converter
(non-isolated)
ASIC
(PWM control, etc.)
CPU
(Position/speed
calculation, etc.)
Current
sensor
Gate drive
overcurrent protector
Servomotor
Reference voltage input
Encoder output pulse
Sequence I/O
Personal
computer
Analog
M
L1
L2
+
C1
C2
+
+5 V
+3.3 V
I/O
CN1
CN7
CN4
U
V
W
CN3
ALM RDY
ENC
CN2
+5 V
+12.5 V
External monitor
CN5
Control power
supply
Main circuit
power supply
Voltage
sensor
DC/DC
converter
(non
-isolated)
DC/DC
converter
(non
-isolated)
Current
sensor
Gate drive
overcurrent protector
Servomotor
Reference pulse input
Sequence I/O
Encoder output pulse
ASIC
(PWM control, etc.)
CPU
(Position/speed
calculation, etc.)
Personal
computer
Analog