Analog Monitor Block Diagram - Mitsubishi Electric MELSERVO-J4 Series Instruction Manual

Analog monitor block diagram

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