Sharp CP-SR421 Manual do Utilizador descarregar pdf (Página 304)

14. USING A LINEAR SERVO MOTOR

14 - 17

The following shows the relation between the stop interval at the home position return and the linear

encoder resolution. For example, when the linear encoder resolution is 0.001 [ȝm] and the

parameter for the stop interval at the home position return, [Pr.PL01], is set to "_ 5 _ _" (16777216

pulses), the stop interval is 16.777 [mm]. The value inside a bold box indicates the recommended

stop interval for each linear encoder resolution.

[Unit: mm]

Linear encoder

resolution [μm]

Pr. PL01

Stop interval

[pulse]

0.001 0.005 0.01 0.02 0.05 0.1 0.2 0.5 1 2

_ 0 _ _ 8192 0.008 0.041 0.082 0.164 0.410 0.819 1.638 4.096 8.192 16.384

_ 1 _ _ 131072 0.131 0.655 1.311 2.621 6.554 13.107 26.214 65.536 131.072 262.144

_ 2 _ _ 262144 0.262 1.311 2.621 5.243 13.107 26.214 52.429 131.072 262.144 524.288

_ 3 _ _ 1048576 1.049 5.243 10.486 20.972 52.429 104.858 209.715 524.288 1048.576 2097.152

_ 4 _ _ 4194304 4.194 20.972 41.943 83.886 209.715 419.430 838.861 2097.152 4194.304 8388.608

_ 5 _ _ 16777216 16.777 83.886 167.772 335.544 838.861 1677.722 3355.443 8388.608 16777.216 33554.432

_ 6 _ _ 67108864 67.109 335.544 671.089 1342.177 3355.443 6710.886 13421.773 33554.432 67108.864 134217.728

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

proximity dog off is the home position.

Set one linear encoder home position in the full stroke, and set it in the position that can always be

passed through after a home position return start. The encoder Z-phase pulse (LZ) cannot be used.

࡝࠾ࠕࠛࡦࠦ࡯࠳ේὐ ේὐ૏⟎

ේὐᓳᏫㅦᐲ

ࠢ࡝࡯ࡊㅦᐲ

ේὐᓳᏫᣇะ

OFF

ㄭὐ࠼ࠣାภ

࡝࠾ࠕࠨ࡯ࡏ

ࡕ࡯࠲

ේὐၮḰ૏⟎

࡝࠾ࠕࠨ࡯ࡏ

ࡕ࡯࠲૏⟎

0mm/s

(ᵈ)

1048576pulses

1048576pulses n୚

Note. Changeable with [Pr. PL01].

Linear servo motor

Proximity dog signal

Reference home position

Linear servo motor position

0 mm/s

Home position return direction

Home position return speed

Creep speed

1048576 pulses

(Note)

1048576 pulses × n

Home position

Linear encoder home position

1 2 ... 299 300 301 302 303 304 305 306 307 308 309 ... 403 404

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