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Using USB port on cDAQ-9135 for Serial Input

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Hello,

 

How can I configure one of the USB ports on the cDAQ-9135 to receive serial input? I'm already using the RS-232 serial port. 

 

I added a new serial device under "Devices and Interfaces" in NI-MAX named COM2 but I'm not sure how to bind that to the USB port. 

 

When I plug in the serial stream to the USB port, the cDAQ freezes so I'm guessing it's interpreting the serial stream as bogus instructions or trying to interpret it as a mouse/keyboard input. 

 

Any help/insight would be greatly appreciated!

 

 


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