Mitsubishi Electric Q173HCPU Dokumentacja Pobierz pdf (Strona 95)

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4 POSITIONING SIGNALS

(3) In-position signal (M2402+20n)

(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 the start.

[Motion program exapmle]

O0001;

G90 G00 X100. ;

X200. ;

M02;

Program No.

Absolute value command PTP positioning (X100.)

PTP positioning (X200.)

Reset

In-position range

Start accept flag (M2001+n)

In-position signal (M2402+20n)

OFF

Automatic start signal

(M4002+10n)

Motion program (Axis

designation program) start

(b) An in-position check is performed in the following cases.

• When the servo power supply is turned on.

• After the automatic deceleration is started during positioning control.

• After the deceleration is started with the JOG start signal OFF.

• During the manual pulse generator operation.

• After the proximity dog ON during a home position return.

• After the deceleration is started with the stop command.

• When the speed change to a speed "0" is executed.

• After the deceleration is started with the temporary stop command.

POINT

• If in-position range is longer than the deceleration distance, refer to the following

case.

Start accept flag(M2001+n)

In-position signal (M2402+20n)

In-position

range

(Note)

Motion program (Axis

designation program) start

(Note) : If in-position range is longer than the deceleration distance,

in-position signal turns on after deceleration start.

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