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Two problems encountered while trying to send out a customized digital signal (TTL)

I'm trying to write a labview program to send out a customized TTL signal when it's triggered.

 

The error message showed that "start trigger" is not supported but I followed the example "Write Dig Chan-Int Clk-Dig Start.vi" which uses start trigger. If start trigger can't be use, what should I modified my code so it can be triggered from hardware?

 

The other error is 200463 which I can understand the description shown in error message but have no ideal how to correct it.

 

Can anyone please help me with these? Attachment is the code. Thank you.

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What is your hardware? The "not supported" error message usually means that the device you are using is not capable of what you are asking it to do, in this case a digital start trigger.  The help for the examples often lists devices with which that particular example will work.  Is your device on the list? Does the device manual specify that it can use a digital start trigger?

 

Lynn

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