oscilloscope..

[Shab]

Hi there

i am using the generate a finite digital pulse example vi to generate ttl pulses from my NI PCI 6601 card. I want to see the output pulses on an oscilloscope , how do i do this?

how can i connect a graph indicator to show the pulses?

I am attaching the vi i am using:

[Dennis_Knutson]

You take the probe of the scope and connect it to the physical pin that is the counter output of the DAQ board. The pinouts of your DAQ board are documented in the manual.

In order to display the scope results in your VI, you need to have some sort of progammable interface on the scope (i.e. GPIB/RS-232/etc/) and know the commands to capture the signal on the scope and transfer it to the pc. Many scopes have LabVIEW drivers available. What is the make and model of your scope.

[Cory_K]

As Dennis said, many instruments come with drivers (including LabVIEW libraries)

If you go to

Tools >>  Instrumentation >> Instrument Driver Network

you can search to see if there are existing drivers for your DAQ board.

** I wonder if this oscilloscope thread will grow as long as this one

[Shab]

hi

thank you for your replies.

but i dont want to connect an external oscilloscope.

i wanted to know how to have a graphical output on my front panel which will show the triggered pulses.

[Dennis_Knutson]

So, if you don't want to connect a scope like you originally asked, then probably the simplest thing would be to connect the counter output to one of the analog inputs on your DAQ board.

[johnsold]

The 6601 is a counter board and does not have analog inputs.

If this is the only DAQ hardware you have then you cannot directly measure the output signal.

You can either obtain an additional board or display a calculated simulation of your signal.

Lynn 

[Dennis_Knutson · Accepted solution]

Missed the fact that it was a counter only board.

You could always use a scope to connect to the counter output.