bayram_mercan

Hello, I want to create an unsteady pulse width modulated signal to control solenoid valves. I can create steady pwm signals. For example i want to create a pulse signal with a frequency of 1 hz (this is not the frequency of the pwm signal of the solenoid valve, it is 400 hz). I mean the valve will run 0.4 seconds with a duty cycle of 0.9 and 0.6 seconds with a duty cycle of 0.2. As the same example i will create a sinusoidal duty cycle for example with a frequency of 2 hz. If i can solve the pulse problem i can do the rest. Can anyone help me?

i am making multiple channel measurement using daq asistant. i want to take separately the data of each channel. in index array function it doesn't exist a 'disable indexing' selection in LV 8.2.1. or i couldn't find it. how can i take one row from a 2 or 3-row array?

QUOTE(Tim_S @ Jan 26 2008, 05:44 PM) thank you for the help.

i mean if i take signal for 5 seconds, i want to get 500 values. but i get last 100 sample values. for the time, i wnt to get the exact time for each sample value.

i'm getting thermocouple data from a NI board. but also i want to get exact time like hh:mm:ss and also miliseconds. because i get 100 samples per second. how can i do that? also why my task gets last 100 data?

i use MAX to get data. but i want to make my own GUI using LV. but i have problems about configuring the Vİ's in LV. it does not occur a data acquisiton palette in LV. i have installed ni-daqmx. when i use 'traditional ni-daq to ni-daqmx converter in MAX, is gives a warning like: 'this module's chassis currently exists in your ni-daq mx configuration. if you mark this module for conversion, then the existing chassis and its modules will be removed from your ni-daq mx configuration before converting this module.' am i doing the right thing? if i convert them, can i still use MAX to get data? and will this conversion solve my LV problem?

i use MAX to get data. but i want to make my own GUI using LV. but i have problems about configuring the Vİ's in LV. it does not occur a data acquisiton palette in LV. i have installed ni-daqmx. when i use 'traditional ni-daq to ni-daqmx converter in MAX, is gives a warning like: 'this module's chassis currently exists in your ni-daq mx configuration. if you mark this module for conversion, then the existing chassis and its modules will be removed from your ni-daq mx configuration before converting this module.' am i doing the right thing? if i convert them, can i still use MAX to get data?

Thanks for the help!

Thanks for the help!

I've been using LV 6.1 Full Development System. Now I'm tring to get signals using NI boards. But I don't have data acquisition (i mean in the functions menu there is not a data acquisiton sub-menu). If I upgrade to LV 8.2, will I have data acquisition?