Absolute Position Data Transfer Protocol - Mitsubishi Electric MELSERVO-J5 User Manual

Absolute position data transfer protocol

Data transfer procedure
Each time SON is turned on, such as when the power is switched on, the controller needs to read the current position data in
the servo amplifier.
If this operation is not performed, position mismatch may occur. Perform time-out monitoring on the controller side.
Servo amplifier Controller
SON on
RD on
Absolute position data
command transmission
Command [0] [2] + data No. [9] [1]
Absolute position
Monitoring timer
data acquisition
Absolute position data return
7
Current position
acquisition
Current value change
Position command start
7 ABSOLUTE POSITION DETECTION SYSTEM
315
7.4 Absolute position detection system via communication [A]