Servopack Internal Block Diagrams; Es1A); Ep1A); Analog Voltage Reference - YASKAWA SGDV User Manual

1.4

SERVOPACK Internal Block Diagrams

1.4.1 Analog Voltage Reference (Model: SGDV-
CN3
L1
Main circuit
power supply
L2
C1
Control power
C2
supply
1.4.2 Pulse Train Reference (Model: SGDV-
CN3
L1
Main circuit
power supply
L2
C1
Control power
supply
C2
+
DC/DC
converter
(non
Voltage
-isolated)
sensor
+5 V
DC/DC
DC/DC converter
(non-isolated)
converter
+
(non
+3.3 V
-isolated)
ALM
RDY
CN5
External monitor
+
DC/DC
converter
(non
Voltage
-isolated)
sensor
+5 V
DC/DC
converter
+
(non
+3.3 V
-isolated)
ALM
RDY
CN5
External monitor

1.4 SERVOPACK Internal Block Diagrams

ES1A)

+12.5 V
+5 V
Current
Gate drive
sensor
overcurrent protector
±10 V
ASIC
(PWM control, etc.)
CPU
(Position/speed
calculation, etc.)
CN7
Personal
computer

EP1A)

+12.5 V
+5 V
Gate drive Current
overcurrent protector sensor
ASIC
(PWM control, etc.)
CPU
(Position/speed
calculation, etc.)
CN7
Personal
computer
Analog
Servomotor
CN4
U
V
M
W
CN2
ENC
CN1
Encoder output pulse
A/D Reference voltage input
Sequence I/O
I/O
Analog
Servomotor
CN4
U
V
M
W
CN2
ENC
CN1
Encoder output pulse
Reference pulse input
I/O
Sequence I/O
1
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