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After correct measurement of 1 channel 1 sample analog data 1 per minute with the USB 6009 for 2 days, the device stops with the error -50405

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Hi Hossein,

 

 

I already set the registry not to allow to turn off power of the USB hub. Thanks anyway.

 

Bart

 

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Hi Bart,

 

Did you follow that too?

 

http://support.microsoft.com/kb/895962

 

Regards,

 

Hossein

 

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Message 12 of 14
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Hey bart.

It sounds like you know about the power management- and using a quality externally powered USB hub.  There is one other common cause- a USB device that is not 2.0 compliant being connected or a problem USB device connecting or disconnecting from the same hub.  Is anyone slipping another device in or out of the hub? is there anything else on the hub?


"Should be" isn't "Is" -Jay
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Hai Hossein,

 

I will look into the registry settings,

 

thanks

 

Bart

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