How can I specify a delay generate a counter pulse?

Hi all,
I have a question about using the counter to generate the pulse train. I don't have how to program it but I try the test panel in the MAX and I see it generates the pulse train at some rate and with some pulse duration. I am thinking if it is possible to generate only one pulse with given pulse duration at sometimes after I start the task? I have a code to output an analog waveform, the waveform lasting for 35ms. I wonder if it is possible to syncronize the output of the analog waveform as well as the counter such that at 12.5ms after the waveform output started, I send that single pulse from the counter port out. I have no idea how to do that, I am thinking to use a delay but it is hard to precisely control the time to exact 12.5ms.
Solved!
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PKIM wrote:
Hi all,
I have a question about using the counter to generate the pulse train. I don't have how to program it but I try the test panel in the MAX and I see it generates the pulse train at some rate and with some pulse duration. I am thinking if it is possible to generate only one pulse with given pulse duration at sometimes after I start the task? I have a code to output an analog waveform, the waveform lasting for 35ms. I wonder if it is possible to syncronize the output of the analog waveform as well as the counter such that at 12.5ms after the waveform output started, I send that single pulse from the counter port out. I have no idea how to do that, I am thinking to use a delay but it is hard to precisely control the time to exact 12.5ms.
I found an example in the CVI show how to generate a single digital pulse
        DAQmxErrChk (DAQmxCreateTask("",&taskHandle));
       DAQmxErrChk (DAQmxCreateCOPulseChanTime(taskHandle,chan,"",DAQmx_Val_Seconds,idle,initialdelay,lowtime,hightime));
       DAQmxErrChk (DAQmxRegisterDoneEvent(taskHandle,0,DoneCallback,NULL));
        DAQmxErrChk (DAQmxStartTask(taskHandle));
I have two questions. First of all, to create a pulse, does it mean we have low state for sometimes, then high state for some times and then low state again? So why there is only two time parameters (lowtime and hightime)? Is the minimum lowtime and hightime depending on the sampling rate of the card or depending on the OS? I am using 6711 card
I see that I can specify initial delay, does it mean the time delay after the task just start?

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