Function Block Diagram - Mitsubishi Electric MELSERVO-J5 Series User Manual

Function block diagram

The following shows a block diagram of the scale measurement function. In the scale measurement function, the control is
performed in the units of the servo motor encoder.
Controller
Position command
[Target position (Obj. 607Ah)]
Motor-side droop pulse
[Following error actual value (Obj. 60F4h)]
Current position (absolute position)
[Position actual value (Obj. 6064h)]
Position within one-revolution of scale
measurement encoder
[Scale cycle counter (Obj. 2D36h)]
ABS counter of scale measurement
encoder
[Scale ABS counter (Obj. 2D37h)]
4 APPLICABLE FUNCTIONS
162
4.3 Scale measurement function [G] [WG]
+
-
Servo motor-side feedback pulse
(in servo motor-side resolution unit)
+
-
(in resolution unit of scale measurement encoder)
Control
Monitoring
+
Servo motor
-
S
Load-side feedback pulse
Scale measurement encoder
Encoder pulse settings
([Pr. PA15], [Pr. PA16]
and [Pr. PC03])