Self made trigger for third party device?

Hi, everyone! I am new to labview programming.
Recently I have been trying to realize a function to trigger(or start) the third party device to do acquisition. I want to use the DAQmx to acquire one channel signal(which is continous pulse signal). And use this DAQmx acquired signal to trigger the third party device. I want each pulse signal to start the third party device to do acquisition.
Could someone give me some advice or suggestions? I would be grateful for any of your help. Thanks in advance.

Hi, Lynn
Thank you very much. I am glad to get your reply. First I am sorry for my lack of knowledge of Labview. I will learn and be more careful of using the terminology.
I have "NI PCI-6052E" as the hardware device. And I use "BNC-2120" connector block to connect the trigger source. I useonly one channel of 6052E to acquire the signal. This trigger signal actually is periodic pulse signal of voltage ranging from 0 to 5V. The pulse voltage is 0V, all other are 5V.
I give my answers to your questions as followings.
What kind of signal does the third party device require for triggering?Is it a physical signal like a voltage or current?
The third party device actually doesn't have to use this pulse trigger to start, I just want to make a customized trigger to sync the third party device with the pulse signal. And each pulse make the device start working. This pulse trigger is a voltage signal that can be linked to 6052E by BNC connectors.
Is it a message transmitted via USB, Ethernet, or tin cans and a string?
I am sorry, I don't get this. I guess it transmitted by BNC.
What is the timing of the signal you are acquiring?
I used the sample clock in DAQmx timing function.
How much latency can you tolerate between the acquired signal and the trigger to the third party device?
I actually can control the interval time between each pulse. I require this interval time to be more than 1s and during this time the third party device can do acquisition itself. So the latency I think should be in the range of ms.
Do you need to do any signal processing or analysis on the acquired signal to generate the trigger?
The trigger signal is pulse signal. Actually I don't know much about signal processing, I don't know what kind signal is better for my application. If you have any better idea, please let me know.
Thanks a lot.
Yu

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