Sharp CP-SR421 Manual do Utilizador descarregar pdf (Página 358)

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

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16.3.5 Absolute position detection system under fully closed loop system

An absolute type linear encoder is necessary to configure an absolute position detection system under fully

closed loop control using a linear encoder. In this case, the encoder battery (MR-BAT6V1SET) need not be

installed to the servo amplifier. When an rotary encoder is used, an absolute position detection system can

be configured by installing the encoder battery (MR-BAT6V1SET) to the servo amplifier. In this case, the

battery life will be shorter because the power consumption is increased as the power is supplied to the two

encoders of motor side and load side.

For the absolute position detection system with linear encoder, the restrictions mentioned in this section

apply. Enable the absolute position detection system with [Pr. PA03 Absolute position detection system] and

use this servo within the following restrictions.

(1) Using conditions

(a) Use an absolute type linear encoder with the load-side encoder.

(b) Select Always fully closed loop ([Pr. PA01] = _ _ 1 _ and [Pr. PE01] = _ _ _ 0).

(2) Absolute position detection range using encoder

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Linear encoder

(Serial Interface)

Movable distance range of scale (within 32-bit absolute position data)

(3) Alarm detection

The absolute position-related alarm ([AL. 25]) and warnings (AL. 92] and [AL. 9F]) are not detected.

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