07-09-2013 07:08 AM
Hello,
I am using Labview 2011 and from the labview examples I am using the acq one sample.vi for reading the voltage value.
but the thing is I am getting the error from then reading block that -200088 DAQmx Read (Analog DBL 1Chan 1Samp).vi<append> ... And its not indicate the correct voltage in labview.
I have also connected Multi Meter with the analog card reader and multi meter give the correct value but its not possible to achieve with labview.
please guide me how can I solve this problem what could be the possible reason for that.
Thank you very much.
Solved! Go to Solution.
07-09-2013 07:10 AM - edited 07-09-2013 07:15 AM
Ignore this.
07-09-2013 07:32 AM
07-10-2013 01:08 AM
Thank you very much foe help.
the device is power amplifier from Heinzinger and it is connected with analog card reader form NI (NI 6024E) on Analog Input 3 ( ai3 ) Pin 30 and 29(GND) which is used to read the value form measurment device.
I am doing communication by using GPIB cable, and connection and communications is perfect there is no any error regarding this but i am not getting true value of voltage, if i connected multimeter to that pin its seems correct volt but in Labview i get wrong.
07-10-2013 01:20 AM
If I try to read the value as attached vi then i can read the correct value but in the end when i press stop button i got error like
Possible causes:
An attempt was made to read a value after the last sample collected. The detection was stopped, therefore, the value that is described by a combination of position and offset, not available.
Enter position and offset so that only values are selected to the last recorded sample, but not afterwards. The last detected sample can be determined if the total number of samples is determined after the detection has been stopped.
what is possible way to overcome this error.
Please guide me.
07-10-2013 01:28 AM
07-10-2013 02:00 AM
thank you very much.
here i am attaching my vi image.
07-10-2013 02:09 AM
And its not gpib cable.
its cable provided by Ni for handling DAQ system.
07-10-2013 02:10 AM
07-10-2013 02:16 AM
I tried already but still not getting correct value.
and one more thing is that if i remove that cable even though its seem 10v in control panel in NI-max.
can you guide me that how can i check that wether this device is connected with my pc correctly or not.
thanks a lot for helping.