Sharp CP-SR421 Manuale Utente Scaricare il pdf (Pagina 351)

16. FULLY CLOSED LOOP SYSTEM (available in the future)

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16.3.2 Home position return

(1) General instruction

Home position return is all performed according to the load-side encoder feedback data, independently

of the load-side encoder type. It is irrelevant to the Z-phase position of the servo motor encoder. In the

case of a home position return using a dog signal, the scale home position (reference mark) must be

passed through when an incremental type linear encoder is used, or the Z-phase be passed through

when a rotary encoder is used, during a period from a home position return start until the dog signal

turns off.

(2) Load-side encoder types and home position return methods

(a) About proximity dog type home position return using absolute type linear encoder

When an absolute type linear encoder is used, the home position reference position is the position

per servo motor revolution to the linear encoder home position (absolute position data = 0).

In the case of a proximity dog type home position return, the nearest position after proximity dog off

is the home position.

The linear encoder home position may be set in any position.

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ේὐᓳᏫㅦᐲ

ࠢ࡝࡯ࡊㅦᐲ

ේὐᓳᏫᣇะ

OFF

ㄭὐ࠼ࠣାภ

ࠨ࡯ࡏࡕ࡯࠲

࿁ォㅦᐲ

ේὐၮḰ૏⟎

ᯏ᪾૏⟎

0r/min

ࠨ࡯ࡏࡕ࡯࠲1࿁ォ⋧ᒰ

Home position return direction

Home position return speed

Creep speed

Home position

Servo motor speed

Proximity dog signal

Reference home position

Machine position

Equivalent to one servo motor revolution

Linear encoder home position

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Sharp CP-SR421 Manuale Utente Pagina 351