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rpoyatos
User
Joined: 12 Dec 2007
Posts: 3
Location: Spain
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 Posted: Wed Dec 12, 2007 11:45 am Post subject: cable length limitations for USB TC-08 |
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Hi,
I would like to know which is the maximum cable length I can use with USB TC08. My application involves measuring very low voltages (between 200 and 1000 microV) with type T tc's.
Thanks |
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ziko
Site Admin
Joined: 01 Dec 2006
Posts: 667
Location: St Neots
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| Posted: Wed Dec 12, 2007 2:08 pm Post subject: |
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Hi and thank you for your post.
The USB specification is 5 meters, if you wish to extend it further you can use a USB hub or there are other manufacturers who can do much longer extensions on USB cables, e.g USB to Ethernet and back again.
Hope this helps.
Kind regards |
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rpoyatos
User
Joined: 12 Dec 2007
Posts: 3
Location: Spain
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| Posted: Wed Dec 12, 2007 2:58 pm Post subject: cable length limitations for USB TC-08 |
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| Then cable length doesn't influence either signal quality or power supply to the TC-08? |
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ziko
Site Admin
Joined: 01 Dec 2006
Posts: 667
Location: St Neots
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| Posted: Wed Dec 12, 2007 3:00 pm Post subject: |
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It may very well do, what I am saying is that it should be fine at up to 5 meters, however if you wanted a longer lengths then you would have to use the appropriate devices.
Kind regards |
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rpoyatos
User
Joined: 12 Dec 2007
Posts: 3
Location: Spain
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| Posted: Wed Dec 12, 2007 3:09 pm Post subject: |
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| Ok, thanks for your fast reply! |
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Laven
User
Joined: 09 Oct 2008
Posts: 2
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| Posted: Thu Oct 09, 2008 6:59 am Post subject: Problem with USB-lengthener |
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I have used a my USB-TC-08 with a USB to ethernet equipment, but I have a problem. It worked for about 2 days. Then the program freezed and I had to close down the computer. This was when it was connected to a USB1-port. I tried again and connected it to a USB2-port. It worked for 3 days. I pulled out the USB-cable from the computer and set it back again. It worked for another day.
I had an old versio of picolog so I upgraded to 5.20.1 and now the program doesn't frezze anymore. But the loggervalue freezes after a while.
I disabled enegrysaving for the USB-port but that didn´t help. |
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