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Explain how the DAQ digital inputs work

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Hi!

 

I was wondering how to set what is high and what is low for my digital inputs for my DAQ? I am using DAQ USB-6211.

 

Thank you for your help!

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Solution
Accepted by topic author mkapler1

Hi mkapler,

 

did you read the specs of your USB6211?

The document is quite clear on your question…

(It's a LV-TTL device, able to handle standard TTL on inputs.)

Best regards,
GerdW


using LV2016/2019/2021 on Win10/11+cRIO
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i see the datasheet if USB-6211 DAQ. my program is give the digital input to DAQ.

can i connect external +5Volt to the Digital Input pin(PFI 0/P0.1)?

Based on the this input i perform the operation.

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Hi senthil,

 

digital inputs on standard DAQ devices can handle 5V at inputs.

 

But: What's the sense in connecting a static 5V to a PFI input?

Best regards,
GerdW


using LV2016/2019/2021 on Win10/11+cRIO
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Hi GerdW,

I connect the proximity sensor signal given to PFI Input. It like as a, when it  sense Input will be high(5V), when not sense input will be low(0V).

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Hi Senthil,

 

you can connect your sensor to the DI pin…

Best regards,
GerdW


using LV2016/2019/2021 on Win10/11+cRIO
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