Mitsubishi Electric MR-J4-10A(-RJ) Instruction Manual page 626

General-purpose ac servo melservo-j4 general-purpose interface mr-j4 series servo amplifier

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15. USING A LINEAR SERVO MOTOR

(1) Incremental linear encoder

(a) When the linear encoder home position (reference mark) exists in the home position return direction

When you use an incremental linear encoder, LZ (Encoder Z-phase pulse) from the servo amplifier

will be the home position (reference mark) of the linear encoder.

When two or more reference marks exist during the full stroke of the linear encoder, select "Enabled

(1 _ _ _)" of "Linear scale multipoint Z-phase input function selection" in [Pr. PC28].

If the resolution or the stop interval (the third digit of [Pr. PL01]) of the linear

encoder is large, it is very dangerous since the linear servo motor may crash into

the stroke end.

Proximity dog

Reference home

Machine position

Home position return direction

Home position return speed

Equivalent to one servo motor revolution

Linear encoder home position

Home position

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