I want to control my motor using 5 functions per loop. flex_read_adc16_rtn(boardID, ADC1, &adc);flex_read_adc16_rtn(boardID, ADC2, &adc); flex_read_pos_rtn (boardID, axis, &encoder);flex_load_dac (boardID, DAC1, dac, 0xFF);flex_load_dac (boardID, DAC2, dac, 0xFF); But it takes 8ms/loop (125Hz).It’s too slow to use in my application. I need 1KHz. Later, I tried < Onboard > programming.It takes almost 8ms/loop too. It’s still slow. Below are my programs.<01.c>, <02.c> ThanksMessage Edited by jinyjie on 10-09-2008 08:51 AM

Motion Control and Motor Drives

jinyjie wrote:
1~3ms for one loop.

This would then be your control loop time.

Chris Bolin
LabVIEW Partner Program, CLA

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