Mitsubishi Electric Melservo MR-J3-A Instruction Manual page 436

14. ABSOLUTE POSITION DETECTION SYSTEM
(d) X-axis program
Do not execute the X-axis program while the ABS ready (M10) is off.
(Note)
Positioning X-axis start
mode command
M10
Ready to
send ABS
data
(e) Dog type home position return
Refer to the home position return program in the QD75 User's Manual.
X-axis start program
14 - 51
When "M10" (ready to send ABS data) switches on,
the X-axis start program is executed by the X-axis
start command.