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USBTMC bandwidth for data acquisition

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Hello,

 

I'm building an industrial controller. One of the task of this controller will be data acquisition.

Specification are:

 - data exchange channel "must" be USB

 - must be able to exchange at least 10Mbps (In 50% +Out 50%), may became 50Mbps if controller is expanded

 - data acquisition is bi-directional, I mean the controller RECEIVE a stream of data, and SEND another stream of data, the two are NOT strictly related

 - Delay on the data exchange line is not that much appreciated, better not to have latency

 - Must implement a control line

 - Data rate is 10kHz, may became 50kHz

 

I'm wondering if the USBTMC would be a good option, it has Bulk/IN-OUT, but as far as I know Isosync mode would be the best for my requirement, this is the reason why I'm currently working on the Audio Class USB.

Also I'ven't found the max real/benchmarked, not theorical, bandwidth of a USBTMC line. 

 

Any help appreciated! Thank you!


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