APPX
Appendix 9 Analog monitor
613
A
Analog monitor block diagram
Semi closed loop control
Fully closed loop control
Droop pulses
Speed
command
Position
control
Speed
control
PWM
Current
control
Current
command
Bus voltage
Speed
command
Current
encoder
+
Servo motor
Encoder
Current feedback
Position feedback
M
Position
command
received from a
controller
Position feedback
data returned to a
controller
Differen-
tiation
Differen-
tiation
Internal
temperature
of encoder
Servo motor
speed
Torque
+
+
-
-
+
-
Speed
command 2
FBN
FBD
Droop pulses
Speed
command
Position
control
Speed
control
PWM
Current
control
Current
command
Bus voltage
Speed
command
Current
encoder
+
Servo
motor
Encoder
Current feedback
Position feedback
M
Position
command
Differ-
entiation
Differ-
entiation
Dual filter
Servo motor-side
droop pulses
Load-side
droop pulses
Servo motor-side/load-side
position deviation
+
-
Load-side
encoder
Fully closed loop
+
-
+
-
Differen-
tiation
Differen-
tiation
Servo motor-side/load-side
speed deviation
+
-
+
+
Semi closed loop
+
-
Servo motor
speed
Torque
Servo motor-side feedback pulses
(load-side encoder resolution unit)
Load-side feedback pulses
+
+
-
-
+
-
Speed
command 2
Internal
temperature
of encoder
Summary of Contents for MELSERVO-J4 series
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