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How much current does cDAQ 9178 chassis need for USB communication?

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Hi, 

 

How much current (maximal) does cDAQ 9178 chassis need for USB communication? 

I have a self-powered USB hub with four cDAQ 9178 chassis. The problem is that no other USB (self-powered) devices are not recognized on the hub. I want to know how much current is consumed by the four chassis.

 

Thank you,

Tatsuya

 

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Accepted by topic author tatsuya1

Hi Tatsuya

 

As described in cDAQ 9178 SPECIFICATIONS:http://www.ni.com/pdf/manuals/374046a.pdf

The input voltage range is 9 to 30 V and the maximum required inputpower is 15W.

At the same time ,the power consumption from USB is 4.10 to 5.25 V with 500 μA maximum.

May it help you.

 

Regards!

 

 

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Thank you Canon_Fan!

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