Dear Sir,
Thank you for the kind reply last time.
If the input voltage to the AMP is set to be about 2V (see the black thick
arrow in pdf),
can I adjust the output from SCC68 for it? What is the signal resolution of
the output from SCC68?
Thank you very much.
Sincerely,
--------------------
Soobum Lee
Postdoctoral Research Associate
Department of Mechanical Engineering
0144A Glenn L. Martin Hall
University of Maryland
College Park, MD 20742 USA
sbomy@umd.edu+1-301-405-6640 (Office)
+1-301-300-8942 (Cell)
>> ----- Original Message ----- From: <
support@ni.com>
>> To: "sbomy" <
sbomy@umd.edu>
>> Sent: Monday, March 10, 2008 6:21 PM
>> Subject: Re: Connecting to a shaker-amplifier
>>
>>
>>> Note: Your reference number is included in the subject field of this
>>> message. It is very important not to remove or modify this reference
>>> number, or your message may be returned to you.
>>>
>>>
>>> Hello Soobum,
>>>
>>> Thank you for contacting National Instruments. I looked at the maunals
>>> that you provided and I could not find the necessary specifications
>>> about
>>> the signals you are trying to provide and measure. The M Series device
>>> you
>>> have can input +-10V peak. If your specimen outputs a voltage signal
>>> in
>>> that range, the DAQ device should work. As far as output, your card
>>> can
>>> output +-10V upto 5mA. If you are trying to power your linear power
>>> amp,
>>> it appears that this will not work for your application (the input
>>> power
>>> appears too high for the output of your DAQ card). If it is just a
>>> control signal to your amp, then it may work.
>>> The SCC-68 is a signal conditioning terminal block. You put various
>>> modules into each of the slots, which determines the type of signal
>>> conditioning. Depending on the module, many of them are for
>>> thermocouples
>>> or bridge based sensors. For your signal, it sounds like you may need
>>> a
>>> regular (not signal conditioning based) terminal block. The 6251
>>> product
>>> page (linked below) show which terminal blocks (and which cables) are
>>> compatable with your device.
>>> If you would like, we have technical representatives that help
>>> configure
>>> systems such as the one you are designing. They are extremely helpful
>>> and
>>> this is exactly the type of question that they handle. I can have the
>>> representative for your area contact you if you wish.
>>>
>>> Here are some links that you may find helpful:
>>>
>>> SCC-68 Product Page (with modules):
>>>
https://www.ni.com/en-us/support/model.scc-68.html>>>
>>> NI-625x Specifications:
>>>
https://www.ni.com/docs/en-US/bundle/371291g/resource/371291g.pdf>>>
>>> Don't hesitate to ask if you have any more questions about what your NI
>>> hardware is capable of. You can reach me again by replying to this
>>> email.
>>> If I do not hear from you within 5 business days, I will assume you no
>>> longer need my assistance and this service request will close.
>>>
>>> Have a good day,
>>>
>>> Neal McQuaid
>>> Applications Engineer
>>> National Instruments
>>>
http://www.ni.com/support>>>
>>> ------------------------------------------------------------------------------
>>>
>>> Problem Description :
>>>
>>>
>>> We would like to buy and connect a shaker (Labworks Inc., ET132) and
>>> amplifier (PA119, see Labworks_catalog.pdf page 25 and 34.) to your
>>> products (we already have),
>>>
>>>
>>>
>>> - NI PCI-6251, M Series DAQ (16 Analog Inputs, 24 Digital I/O,
>>>
>>> 2 Analog Outputs) with NI-DAQmx driver software, and
>>>
>>>
>>>
>>> - SCC-68 I/O Connector with 4 SCC Module Slots.
>>>
>>>
>>>
>>> Your products will play a role of function generation to a shaker and
>>> data
>>> acquisition (see Experiment.pdf).
>>>
>>>
>>>
>>> Can I do the experiment with this shaker and amplifier?
>>>
>>> For function generation, I want to go with sine and random vibration
>>> test.
>>>
>>>
>>>
>>> Thank you very much.
>>>
>>>
>>>
>>> Sincerely,
>>>
>>>
>>>
>>>
>>>
>>> --------------------
>>>
>>>
>>>
>>> Soobum Lee
>>>
>>>
>>>
>>> Postdoctoral Research Associate
>>>
>>> Department of Mechanical Engineering
>>>
>>>
>>>
>>> 0144A Glenn L. Martin Hall
>>>
>>> University of Maryland
>>>
>>> College Park, MD 20742 USA
>>>
>>>
>>>
>>>
sbomy@umd.edu>>>
>>> +1-301-405-5588 (Office)
>>>
>>> +1-301-300-8942 (Cell)
>>>
>>> NI Software :
>>> LabVIEW version 8.2.1
>>> NI Hardware :
>>> Multifunction DAQ device PCI-6251
>>> Driver Version :
>>> 1.13.0f4
>>> OS :
>>> Windows XP
>>> Customer Information :
>>> Soobum
>>>
>>> Lee
>>> umd
>>> US
>>>
sbomy@umd.edu>>> Ph:
>>> (
>>> 301
>>> )
>>> 4055558
>>>
>>
>
>
