Ground problem for daq card

I am using daq card PCI-MIO-16E1.It was working fine in one PC.When transferred to another PC, there is some ground problem it seems.when no signal is connected, it is showing a voltage level of -5v and when a signal is connected gradually it rises ffrom this level and reaches the level of the signal.whereas in the old PC a level of about 0.1v was seen.this is irrespective of the configuration(differential,RSE,NRSE etc).can anybody help ?
R.P.Kumar

How does the 6070E (PCI-MIO-16E-1) perform if you put it back in the
original system or yet another one? Have you tried multiple channels?
Do you notice a difference in the keying of the PCI connector between
the two motherboards? The 6070E is a 3.3V 32-Bit card and will not
work with a 5V 32/64-Bit slot even though it will fit. Consult the
following document for more details on PCI keying: PCI Keying and Voltage Compatability
Elijah Kerry
Senior Product Manager, LabVIEW
Follow my Software Engineering for LabVIEW Blog

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Synchronize problem for DAQ cards

I am trying to synchronize 4 PCI-6071 DAQ cards through cables using SCNCLK pin. I know the DAQ will send a pulse through that pin. but what is the frequency of the pulse?
Also, I would like to know how to avoid the phase delay generated by the cable. Can I synchronize the DAQs through internet, how to do that?
Thank you very much!
Sincerely
Joe yang

The frequency of the pulse will be whatever you program it to be. For instance, one of the PCI-6071E's will use its own internal timebase and the other three (slave devices) will synchronize off of that device's (master device) clock. So you will programmatically control the master clock and then send that clock to the other three devices.
An easy way to do this is by using the RTSI (Real-Time System Integration) bus on the PCI-6071E's. You'll notice that on the side of the PCI-6071E's there is an additional pin connector. This is for the RTSI bus. You can purchase a RTSI cable and connect the RTSI bus for each device and route the master clock to all other devices through the RTSI bus. I've included a couple of links below to documents that explain synchro
nization and the RTSI bus. I hope this helps.
How Do I Synchronize Two E-Series Data Acquisition (DAQ) Devices (For AT or PCI or DAQCards)?
http://digital.ni.com/public.nsf/websearch/6EC96C76111D2E6A86256628008071A0?OpenDocument
RTSI Bus Cables
http://sine.ni.com/apps/we/nioc.vp?cid=3544〈=US
Regards,
Todd D.
NI Applications Engineer

Looking for DAQ Hardware

Hello,
I have been using LabView 5.0 for a few years to program, control
& retrieve information from the GPIB bus. I want to get into DAQ
programming. Where I work, we do not have much in the way of DAQ
hardware, so I am going to attempt to purchase what I need to play at
home in my spare time.
Looking for:
** DAQ card, preferably PCI for Windows 98: (PCI-MIO-16E-4 or 10)
** Signal conditioning hardware that will work with the PCI-MIO series
card I am looking for.
Please reply to: [email protected]

Chip,
If you are planning on using a breadboard for experimenting with you'e DAQ
board take a look at http://www.vicsys.com/pcbprods/bbdaqcvt.htm. It is an
inexpensive way to easily connect you're DAQ board to you're breadboard. I
also have some older used DAQ boards for sale at
http://www.vicsys.com/usedbrds/usedbrds.htm if you want to save a few bucks
on you're DAQ board.
Best Regards,
Neal Pederson, President, VI Control Systems
1923 Mendius Lane, Los Alamos, NM 87544
TEL: (505) 662-1461, FAX: (603) 388-4969
[email protected], www.vicsys.com
Chip Henkel wrote in message
news:[email protected]..
> Hello,
> I have been using LabView 5.0 for a few years to program, control
> & retrieve information from the GPIB bus. I want to get int
o DAQ
> programming. Where I work, we do not have much in the way of DAQ
> hardware, so I am going to attempt to purchase what I need to play at
> home in my spare time.
>
> Looking for:
> ** DAQ card, preferably PCI for Windows 98: (PCI-MIO-16E-4 or 10)
>
> ** Signal conditioning hardware that will work with the PCI-MIO series
>
> card I am looking for.
>
> Please reply to: [email protected]
>

I use labview 8.0 and i can not run daqmx driver for pcmcia 6062e daq card

i use labview 8.0 on window xp .when i installed a PCMCIA daq card 6062E, i could not run daqmx driver.It is fine to see that the traditional version is working well.When i install daq card sometimes it is working well with traditional driver but mostly i see error on reading an analog input from PCMCIA daq device.An error called 'base adress' occures .I use last version of driver that is daqmx 8.0.1. and i have installed this correctly but again i could not see any signal on the test panel for daq-mx driver.I don't know what is the problem.Also when i install PCMCIA daq card Please reply this message.I need your helps.
Thanks

Hello,
Thanks for your reply.I will try to answer your questions.
I have checked the Device Mananger and I have seen that the device is detected by Windows XP. For another question the card shows up under both NI-DAQmx Devices and Traditional NI-DAQ (Legacy) Devices consistently in the Measurement & Automation Explorer.I use a way that I reset the driver for traditional NI-DAQ in MAX,and then i reset the device for NI-DAQmx driver in MAX and again i tried to run the test panel of DAQmx driver but again i saw a wrong signal or noise signal on the test panel i could not see the sinusoidal signal that i connected. i do get the test panels to run with the card using the DAQmx driver, But could not run the DAQ diagnostic utility.The error was as i specified below.
03.05.2006 09:49:35
Results saved to: C:\Documents and Settings\serkan\Desktop\Diagnostic Results.txt
Selected Device: Dev1
Device Type: DAQCard-6062E
Serial Number: 107509E
Device Support: (PASS)
NI-DAQmx Version: 8.0 (PASS)
Device Reset: (FAIL)
Error -50002 occurred at an unidentified location
Possible reason(s):
The specified device is not a valid device. The operation could not be completed as specified.
------ DIAGNOSTIC UTILITY ABORTED -----
And for your last question i can say that i have used the DAQ card on other laptops.But the results were the same.İ hope to see your reply
Thanks,
Serkan Buhan
Electrical-Elecronics Engineer
Researcher
TUBITAK-BILTEN

Method for accessing multiple DAQ cards

Hello, I am trying to access two analog-input cards in a "ping-pong" type fashion with LabVIEW 7.1.
The two cards are PCI-6052E DAQ cards (call them "B" and "C"). What I'd like to do, is get data in this fashion: B/ai0, C/ai1, B/ai2, C/ai3, B/ai4 ..... etc. However when I try to do this I get this error :
"Error -200558 occurred at DAQmx Create Channel (AI-Voltage-Basic).vi.
Possible reason(s):
One task cannot contain multiple independent devices.
Create one task for each independent device.
Device: B
Device: C"
So my question is, IS there a viable way to do this? I have attached my .vi that contains the trouble. Any help would be GREATLY appreciated! Thanks!
Attachments:
Surrogate.vi ‏251 KB

One task cannot span multiple devices. Your problem is that your physical channels in DAQmx Create Channel reference two different devices. You cannot create tasks like that. If you want to ping pong between devices, you'll have to do it with single point reads like this:
B/ai0 >> DAQmx Read Single Channel Single Sample
C/ai1 >> DAQmx Read Single Channel Single Sample
etc...
Hope this helps.
Regards,
Erin

Digital ı/o problem in mseries 6229 daq card

In our lab, we have a 6229 M series daq card. We want to send digital output ,
( three square waves and their direction values for driving 3 dc motors.
We will change pulses or frequencies during application). we tried to send the signals from single lines
(altogether we need 6 lines.) but we failed. We could only send pulses from counter ports but
unfortunately there are only 2 counter ports. Can anybody help us about this problem?
If anybody could also send a labview 7.x program for this application we will be thankful.

Hi,
You can use the correlated dio functionality of your M series board to output digital waveforms. However, you will need to construct the waveform before actually outputting the data. Here is the link to another discussion forum with more information on this including links to examples: How do I output a digital waveform?
Regards,
Hal L.

6229 DAQ Card: Problem if only one connector is connected

Hi!
I'm using a LABVIEW 6229 DAQ- Card to acquire signals. Unfortunately I only connected on of the Connectors of this card and left the other one unconnected (This means that one half of the analog inputs is connected to nothing). So far no problem :-) Unfortunately I'm still measuring signals on the analog input channles that are not wired to anything if I'm measuring signals on the analog input that are wired!?
The signals of this unwired analog inputs are quite similar to those of the connected ones..
If I only measure analog inputs that aren't wired to anything I see a voltage ramp or a constant voltage of -10V as I would expect. Any idea what could go wrong? All this seems a bit strange to me :-)
Thanks for your help!

But I also don't see ghosting at the unwired channels if i'm measuringsimultaneously
at the wired channels. Only if I'm measuring only unwired channels I see ghosting at that is what seems strange to me...
If I would always measure ghosting at the unwired channels everything would be fine :-)

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Message was edited by: kostby

How to structure the DMA buffer for PXie 6341 DAQ card for analog output with different frequencies on each channel

I'm using the MHDDK for analog out/in with the PXIe 6341 DAQ card.
The examples, e.g. aoex5, show a single Timer (outTimerHelper::loadUI method), but the example shows DMA data loaded with the same vector size.
There is a comment in the outTimerHelper:rogramUpdateCount call which implies that different buffer sizes per channel can be used.
(the comment is: Switching between different buffer sizes will not be used)
Does anyone know what the format of the DMA buffer should be for data for multiple channels with different frequencies ?
For example, say we want a0 with a 1Khz Sine wave and a1 with a 1.5Khz sine wave. What does the DMA buffer look like ?
With the same frequency for each channel, the data is interleaved, e.g. (ao0#0, ao1#0; ao0#1, ao1#1, ...), but when the frequencies for each channel is different, what does the buffer look like ?

Hello Kenstern,
The data is always interleaved because each card only has a single timing engine for each subsystem.
For AO you must specify the number of samples that AO will output. You also specify the number of channels. Because there is only one timing engine for AO, each AO will channel will get updated at the same time tick of the update clock. The data will be arranged interleaved exactly as the example shows because each AO channel needs data to output at each tick of the update clock. The data itself can change based on the frequency you want to output.
kenstern wrote:
For example, say we want a0 with a 1Khz Sine wave and a1 with a 1.5Khz sine wave. What does the DMA buffer look like ?
With the same frequency for each channel, the data is interleaved, e.g. (ao0#0, ao1#0; ao0#1, ao1#1, ...), but when the frequencies for each channel is different, what does the buffer look like ?
In your example, you need to come up with an update rate that works for both waveforms (1 KHz and 1.5 KHz sine waves). To get a good representation of a sine wave, you need to update more than 10x as fast as your fastest frequency...I would recommend 100x if possible.
Update Frequency: 150 KHz
Channels: 2
Then you create buffers that include full cycles of each waveform you want to output based on the update frequency. These buffers must also be the same size.
Buffer 1: Contains data for the 1 KHz sine wave, 300 points, 2 sine wave cycles
Buffer 2: Contains data for the 1.5 KHz sine wave, 300 points, 3 sine wave cycles
You then interleave them as before. When the data is run through the ADC, they are outputting different sine waves even though the AO channels are updating at the same rate.

Need an enable/disable Labview VI for SC-2062 relay board using PCI-6503 DAQ Card.

I am using Labview 6i, and I need to write an enable/disable VI that will enable and disable 6 of the 8 relays at any time while keeping the whole vi running. Therefore one or more positions may be changed at a time, but positions that don't change cannot be interrupted when changing others (no port resets allowed). I was wanting to maybe send a 1 by 6 array of some sort out but I can't figure out how to use the array to communicate with the DAQ card, relay board and SC-2051 adaptor. There also needs to be error handling in and out. Thanks for your help. Any examples would be very helpful.

Hello;
The best way to go about that is to disable the data points correspondent to the channels you want to disable. Meaning that you can ignore the datapoints of the channels you want to disable on the fly. That is the only way to disable channels on the fly.
Regards
Filipe A.
Applications Engineer
National Instruments

Does adding V-Card to signature cause problems for Outlook (Windows) users?

Hi -
I want to add a V-Card to my signature in Apple Mail (by drag and drop from address book to signature pane in Mail>Preferences). I have read that, in the past, this can caused problems for some recipients who use Windows Outlook.
Is this still the case? If so, how can I add a V-Card to my signature without causing problems for recipients?
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I take note of your WNLB recommendation but in this case the error start on one of the CAS server first and client connected to the CAS that does not have any errors continue to work as normal.
I upgraded to SP3 late last year. This problem first happened in Feb 2014.
Have you checked the DNS settings on the VM - yes, and both of them are pointing to one of our DC's.
I would set the client with a Host file to just one CAS to rule out the WNLB - this would be too hard
to manage as when the issue happens again it could happen on CAS1 but the client could be connected to CAS2 so it wont experience the issue.

I need a user manual for a PCI-MIO-16E-1 DAQ card

I am starting research using a PCI-MIO-16E-1 DAQ card that was used by a prior student and the manual is not available. I tried to access the manual online through your websitem, but I was denied access. How can I gain access to this manual so I can start to use this DAQ in my research?

What you need is the E Series help file. Here is the link, but for some reason if you can't get there, the zip file is attached.
-Alan A.
Attachments:
370503f.zip ‏1260 KB

Looking for examples of VI with two or more inputs for the 1200 daq-card ( PCMCIA )

Thank you , if you can help me by sending VI examples for the 1200 daq-card
, with 2 or mores inputs

You can find several examples that will work with the DAQCard-1200 at zone.ni.com/libraries/.
Then look under Data Acquisition. There are also examples that ship with
LV and NIDAQ. Look in ...\Labview\examples\daq\anlogin\.
"david frazao" wrote:
>Thank you , if you can help me by sending VI examples for the 1200 daq-card>,
with 2 or mores inputs>>

Graphics card Quadro K4200 don't work with cuda in Adobe Premiere CS 6 version 6.0.5. Maybe they are bad drivers for graphics card? How to solve this problem?

I have purchased graphics card Quadro K4200, but graphics card don't work with cuda in Adobe Premiere CS 6 version 6.0.5. Maybe they are bad drivers for graphics card? How to solve this problem?

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Standalone application for data acquisition using NI DAQ card

I have made a standalone application in labview GUI for data acquisition and signal processing. if i have to run this application in any other computer what all softwares should be installed other than labview runtime engine...NI DEVICE DRIVER CD alone is to be installed or do i have to install any other software for data acquisition using NI daq card??
thanks and regards
Solved!
Go to Solution.

You should only need the run time engine, The device drivers for the device, maybe need VISA drivers if you are doing serial or something of that nature, You may need the channels or tasks created in NI measurements and automation if you created them there.
There may be other things that you will need depending on what you include in your code and what tool kits that you have installed.
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Johnson Controls
Holland Michigan

Ground problem for daq card

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