Mitsubishi Electric MELSEC Q Series Programming Manual page 62

Motion controller, real mode
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3 POSITIONING DEDICATED SIGNALS
(3) In-position signal (M2402+20n) .................................... Status signal
(a) This signal turns on when the number of droop pulses in the deviation
counter becomes below the "in-position range" set in the servo parameters.
It turns off at positioning start.
Number of droop pulses
In-position signal
ON
(M2402+20n)
(b) While the control circuit power supply of the servo amplifier is ON, the status
of the in-position signal of the servo amplifier (Servo status1 (#8010+20n):
b12
) is reflected.
QDS
However, the state of the signal is always OFF for the following.
• Servo error
• From positioning start until deceleration start
• Current value change
• Home position return
• Speed-torque control
(Note-1): Except during position follow-up control, high-speed oscillation
control, manual pulse generator operation, and synchronous
control. (The in-position signal is constantly updated during such
controls.)
(Note-2): The in-position signal may be updated after a proximity dog is
turned ON during home position return.
OFF
(Note-2)
QDS
3 - 13
In-position range
(Note-1)
t

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