AT-MIO-16E-10 Iwant - but it shows a AT-AO-10

I am using a AT-MIO-16E-10 for daq. But in my data neighborhoud - it is showing me a AT-AO-10 - what should i do? How can I change it? I use a NT sytem on a pentium 2 and LabView 5.1. I can't insert the daq-card - the computer shows just - the AT-AO-10 model.

It seems to be that the nidaq version that you have in your computer is corrupted, or there is something weird in the installation procedure. I will suggest you to uninstall everything and reinstall everything.
The steps I would recommend you to do are these:
1.- Uninstall the nidaq driver that you have by going to Control Panel>>Add/Remove Programs.
2.- Remove the board from the Device Manger.If there is another NI board which is in your system, remove it, too.
3.- Turn off the computer, and take off your board.
4.- Install the nidaq driver again (either nidaq 6.9.1 or nidaq 6.9.2), you can download it in the following FTP site: ftp://ftp.ni.com/support/daq/pc/ni-daq/. Make sure you also download the supporting file for your LV Version 5.1. The install.t
xt file describes the instructions to install the driver.
5.- Follow the instructions to install the board that are in the following link: http://www.ni.com/support/install/
Hope these steps help you solve your issue.
Aguila

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Position encoder works with PCI-MIO-16E-4 but not with PCI-6062E, why?

I am using A BNC-2090 to connect Agilent HEDS-6540 position encoder to my PCI-6052E. The application works fine with my 12 bit NI card PCI-MIO-16E-4, But with the new card I get extra counts in my position. ex 1052 pulses when it is only supposed to be 1000 counts in a complete revolution. This setup still works great with the old card, meaning I can just plug into the other card and run the same app on the same computer, just a different device number. I have not been able to figure this out.

You might be seeing the affects of dithing with your signal. I'm not sure why it would be on one board, though not the other, one counter must be more sensitive. Anyway, dithering is caused by vibration or other outside forces that cause small glitches that add to the count total for the counter. There is a way around this, and that is to use a counte convertor. There is a page on this website that tells how to make one. The link is below. I would sugget trying this to see if it will fix the problem.
Brian
http://zone.ni.com/devzone/conceptd.nsf/2d17d611efb58b22862567a9006ffe76/6f25cba2cd73417786256869005e5fc3?OpenDocument

Need to use AT-MIO-16E-2 to write MX code for PCI-6221 M SERIES that is installed in another system

Hello to all,
My Systems:
System 1
PCI-6221 M series card
LabVIEW 7.1 Express
Code developed using MX environment
WinXP
System 2
AT-MIO-16E-2 Card
LabVIEW 7.1 Express
So far do not see MX as an option (ran "default" install with this card)
WinXP
Here is my issue and 2 questions:
I installed a PCI-6221 M series card in a customer's PC. I am running the newest versions of LabVIEW Express (7.1) with WinXP. I used the standard LabVIEW installation to develop their code on that PC, including the M-Series disk. They now have a running application that is not quite complete. That system is in a different state. I need to go there and update some code in a few days, and I would like to develop that code at home, then port it to their machine. I have another computer at home. On it is installed an AT-MIO-16E-2. I have so far ran the standard LabVIEW Express (7.1) development system installation. Of course LabVIEW is smart enough to sense what kind of card I have and installed the appropriate software for that card, which I believe means that MX is NOT installed.
MY QUESTIONS?
1. Can I use DAQmx with AT-MIO-16E-2 and then port the code (with minor modifications) to the other machine?
2. What do I need to manually install on my machine with the AT-MIO-16E-2 card to enable this?
I thought I read that you can run MX on older boards by installing a patch. But I also need to know what software to install from the LabVIEW disks.
Many thanks for all your help,
Max

Hi MaxMotion,
Your AT-MIO-16E-2 card is only supported in Traditional NI-DAQ. You can not use DAQmx with that card. When you installed NI-DAQ (7.2 or greater) DAQmx was installed on your machine. The DAQmx VI's should show up in LabVIEW in the "NI Measurements" pallette. You can develop your DAQmx application in the sense that you can build the block diagram. However, you will not be able to run your application on the AT board.
-Sal

Data acquisition and generation with PCI-MIO-16E-4 card help!!!!

Hello,
I'm using a PCI-MIO-16E-4 card with labview7 (in using DAQmx)and I
would like to draw a frequency response.
My problem is: my program can run correctly in low frequency but, it
can't work correctly in high frequency (after 2KHz the signal is
false).
For verifying my program: I only try to generate and acquire a sweep
sine. I constate after 2KHz the sine I read dosn't resemble to a sine
I wrote.
Can you say me where is the problem?
Thank you.
Le Trong Thao.

"Dr. Imad" wrote in message news:<[email protected]>...
> my understanding is that you are generating a sine wave (on one of the
> anlogoutput channels) and you are trying to read the signal.
> Since you can verify the signal at low frequency, but not at high
> frequency, it looks like you should increase the scan rate of the data
> acquistion (if you can, set it to 10 times the signal frequency)
> You can also use an oscilloscope to verify the signal is what you
> really generated.
Thank you for your response.
I've tried to do it, and I've tried several other possibilities but it
doesn't work correctly.
In fact, I think the problem is in my program. Do you have a program
that works correctly? I f
ound examples in the help but they don't run
correctly.
Le Trong Thao.

AT-MIO-16E-10 Gate signal,how can i configure it as in input or as an output ?

Hi there ! I have AT-MIO-16E-10 board and i want to control a counter (the GPCTR0 counter of the bord) to count up depending on the gate signal.Now i have the following missunderstanding.I've read in the AT-MIO-16E-10 manual that the gate signal can be treated eather as an input or as an output.So i want to control my counter (to count up) until a signal that comes on my gate counter's entry changes his states from 1 to 0 (to reset the counter) and then when it changes his states back to 1 form 0 i.e a transition from 0 to 1 to start counting again from zero.Now here i have 2 questions : 1. How can i config the gate signal as an input signal (in the AT-MIO-16E-10 manual it sais that the signa
l can be treated as an input or output and it's known if i configure the port as an output and if i came with an external signal to the gate i can damage the board if the signal it's set to zero ) 2. What it's the default state of the gate signal ?
Any vi files would be very usefully,Thank you very much for reading this and i'll be waiting for your answers as quick as possible.

Antonios,
The shipping example VI Count Edges does what you describe.
>Quoted from VI Description
Count Edges (DAQ-STC).vi
DESCRIPTION:
This VI counts rising edges, using an STC based device (e.g.: E-series). The counter increments its event count everytime a pulse comes into its source input. A gate signal can be added such that if a low signal occurs on the gate, then the counter will pause (scroll the front panel left to access the gate settings). The current value of the counter is read continuously in the while loop, until the Stop button is clicked or an error occurs.
I/O CONNECTIONS:
Connect the gating signal, if any, to the gate input of the selected counter.
If you selected the Source Selection to be "PFI line", connect your event count base signal to the PFI line indicated by "Source PFI line number used". (If you selected "Internal Timebase", no source connection is necessary.)
NOTE: For actual I/O pin numbers, please refer to your hardware user manual.
INSTRUCTIONS:
1. Enter the device and counter you want use.
2. Make your Source selections, as desired.
3. Optional controls are located on the left side of the front panel. You will have to use your scroll bar to reach these.
4. Connect your signals as described below in I/O CONNECTIONS.
5. Run the VI.
>End quote
If you look inside the Diagram of the Count Edges VI you will see a subVI, Group Config CTR, that has a constant set to "simple event counting." This configures the gate in the correct manner. You have 17 or so options to choose from (right-click to see the other choices). Each choice configures the counters as needed. No special effort is needed on your part.
If you really must know more details double-click on the Group Config CTR icon. On the Diagram of that VI is a Call Library function. Right-Click that and see more ugly details that you don't need to know. The functions of the counters are fully implemented by the options already available, so you don't need to know how the details, but it is intersting.
Hints:
Keep in mind that the counters require TTL level signals. 0V to 5V. Limit the current to the level the DAQ board can handle. You will false trip the counter if your low is higher than 0.8V. I have had problems with this when using noisy signals.
Also make sure you debounce any switches you wire to the counters. It is instructive to hook up an unbounced switch to the counter inputs and see just how many false trips they can generate!
Mike

Upgrade win98/LV4 to win2000/LV6: Speed problems with AT-MIO-16E

I found that in Windows 2000 with Labview 6 the readout rate of our AT-MIO-16E board drops to approx. 2.5 kHz max. (before approx. 11.5 kHz in Windows 98 with Labview 4 ) using the 'AI single scan' VI (see attached scheme for the readout routine). I don't know if this is due to Win2000 or due to the new NI-DAQ drivers, but for our timing-critical application this is unacceptable.
Are there any suggestions about how to accellerate the readout of the AT-MIO-16E board?
With best thanks,
Thomas Schultz
Attachments:
AT-MIO-16E_DAQ_example.bmp ‏161 KB

Hi Thomas,
Here is another idea I can give but will be of limited use in chasing it down.
Make sure the board is using DMA.
DMA is alot faster than CPU based data transfers.
Maybe durring the softeware conversion, the board got installed without DMA enabled.
Just an idea.
Ben
Ben Rayner
I am currently active on.. MainStream Preppers
Rayner's Ridge is under construction

Question about setup_MITE in the PCI-MIO-16E-1

I have a quick question about setup_MITE in the PCI-MIO-16E-1. In one of the manuals, it states that if you're using Dell Optiplex GX series for our hardware configuration, is it true we need to re-write the MITE functions to correlate with the hardware? Please if you can clarify what this means, I would really appreciate it. Thank you in advance.

National Instruments is starting a new newsgroup to provide a forum for customers to discuss register level programming issues and ask questions. This newsgroup is not a direct support channel for register level programming, but may be monitored by National Instruments engineers. Please post you question with additional detail in:
natinst.public.daq.driver-development.general
Christian
Christian Loew, CLA
Principal Systems Engineer, National Instruments
Please tip your answer providers with kudos.
Any attached Code is provided As Is. It has not been tested or validated as a product, for use in a deployed application or system,
or for use in hazardous environments. You assume all risks for use of the Code and use of the Code is subject
to the Sample Code License Terms which can be found at: http://ni.com/samplecodelicense

Pulse Train Generation using PCI-MIO-16E-4

I need to generate pulse trains of changing pulse widths using PCI-MIO-16E-4 daq card using Igor Pro.
I have tried to use the CTR functions (but always keep getting errors and it doesn't work). I also used the general purpose counters (GPCTR functions) but cannot visualise them on a CRO. If someone can help in regards to the programming aspect, it will be greatly appreciated.
Thanks
Vakul

Hi Vakul,
Some questions that might help me to get you a solution.
Are you using Traditional DAQ, or DAQmx and which versions are you using?
What operating system are you running?
When you say you can't visualize them on CRO, I assume that you are hooking the counter out to a cathode ray oscilloscope and can't see the pulse train?
Are you going to need more than two different pulse widths for your pulse train?
There are several online knowledge bases describing how to change the frequency of a pulse train on the fly.
This link explains how to use software to create a new pulse width.
http://digital.ni.com/public.nsf/websearch/7B1B0427C39FE33086256CEE00752133?OpenDocument
This link discusses using frequency shift keying, which will only allow you to have 2 different pulse widths.
http://digital.ni.com/public.nsf/websearch/EC1F089252F33B248625696E006FB6FC?OpenDocument
I assume that you are writing this program to compile in Igor Pro using C. I can help you with the C code development, but don't know anything about the Igor Pro API.
Please get back to me about those questions and let me know if you need further help.
Michael Denton

I am trying to generate a 50kHz sine wave for ten cycles, then aquire this waveform and store it in a file, I am using a PCI-Mio 16E-4 board, has anyone done anything like this?

I am trying to generate a 50kHz sine wave output on the DAQ card and then simultaneously recieve. I am using a PCI-Mio 16E-4 series board to do this. Has anyone done anything similar. I can generate a 50k wave no problem, and recieve one, but I can not get these vis to run together? Any suggestiosn

Jrod, yes you should be able to do this, actually there are quite a few example programs come with LabVIEW that handles simultaneous analog input and output, I check the specs of the board you use, the board should be able to handle the sampling/generation rate, but make sure for 50KHz sine wave, you would sample at least twice as fast, preferably ten times the generation rate, then this puts the sampling of the board to thew limit.
The program you can try is attached here, good luck with the application,
XD Gao
Applications Engineering,
National Instruments
Attachments:
Simul_AIAO_Buffer(E-series).vi ‏104 KB

Does the academic version of Labview 8.5 allow running AT MIO 16e-1 DAQ board?

I just bought the academic version of Labview 8.5. I have an AT MIO 16E-1 DAQ board. I have installed the Labview software. Then I installed the Legacy NiDAQ 7.4. I put in the board and MAX recognizes it. Windows detects the board twice. The first time is installs automatically. The second time there is an error.
I can't find the instrument driver/VIs in the Labview functions pallette for the AT MIO board.
Thanks.

Hello Test11111,
In order to use Traditional NI-DAQ devices in LabVIEW you need to know the device number as given in the Measurement and Automation Explorer. Unlike the IMAQ or NI-DAQmx devices, Traditional NI-DAQ devices do not auto-populate in the channel controls or constants. The good news is that if the device shows up in MAX and the test panel works there then your device is working properly.
There are some Traditional NI-DAQ example VIs available through the NI Example Finder. To access these examples open LabVIEW and go to Help» Find Examples... Then in the top left select Directory Structure; the "daq" folder contains all of the Traditional NI-DAQ examples organized by device and function (analog, digital or counter I/O).
I hope this helps, and please post back if you're still having trouble.
Cheers,
Brooks

Quantization Error for NI AT-MIO-16E-2

Hi
I wanted to confirm the value of quantization error for the 12-bit NI AT-MIO-16E-2 DAQ. I can take values between -10 to 10 Volts. So the quanitization error would be:
= +/- 0.5*(20/(2^12)) = +/-2.44e-3
Is this correct? This seems like a high amount of error when voltages are below 0.1V
Also, I want to know if the above DAQ card comes with an anti-aliasing filter, depending on the sampling frequency.
Thank you
Karthik

Hi Karthik,
If you choose your measurement range to be +/-10V, the smallest change that can be detected is 20/2^12 = 4.8mV. So the maximum quantization error would be +/-4.8mV. If you're looking to increase the accuracy, you can change the measurement range to be the smallest possible for your requirements.
There's no anti-aliasing filter built in to the DAQ card, but you can easily implement them on a terminal block (analog) such as the SCB-68 or in software (e.g. Low Pass Filter in LabVIEW).
Analog Input Low Pass Filtering with an SCB-68 Terminal Block:
http://digital.ni.com/public.nsf/websearch/5D82A2990FB1D21386256EEE00018FF0?OpenDocument
Hope this helps!
Thanks,
Lesley Y.
Applications Engineering

Is it possible to start a PCI4472 and a PCI-MIO-16E-1 simultaneously using an analog trigger (with pre-trigger)?

I would like to start several PCI 4472 and a PCI-MIO-16E-1 simultaneously. All boards are connected via a RTSI cable.
My program works fine if I use software trigger, or an analog trigger from a PCI4472 channel. However, the analog trigger works only when I set pre-trigger (or pre-scan) to 0.
Is it possible to start a PCI4472 and a PCI-MIO-16E-1 simultaneously using an analog trigger (with pre-trigger)?
Thanks.
Ian Ren

Hi, Bill
I think it is possible to set more than 38 pre-trigger scans on a single 4472 card. I've done this before. You can verify this by running the Labview example "Acquire N - Multi-Analog Hardware Trig.vi" which comes with LabView.
What I try to do but without success/luck so far is to start data acquisitions of several 4472 cards and a PCI-MIO-16E-1 card using an anlog trigger (with pre-trigger).
Thanks for your help.
Ian

How can I wire two PWM outputs of Accelerometer into PCI-MIO-16E boad with SC-2043-SG?

I have been using counter/timer pin since the accelerometer (ADXL202AE, Analog Device) provides about 550Hz PWM signal. The purpose of the project is:
- To acquire PWM signals with Full cycle(ms) and Posity duty cycle(ms) generated in Accelerometer.
- To convert the cycles into acceleration value.
By using counte/timer(GPCTR0_Source) and Trigger(Trig1) on SC-2043-SG board, the signal was obtained.
However, after converting the PWM signal to acceleration value and plotting with labview on-line, the sampling rate was pretty low (26-28samples/sec).
Then, I began to doubt that there is a wrong wire connection. Even though I am using one counter/timer pin, the sampling rate
was low. The purpose of using the acceleration was to obtain two output using two counter/timer pins.
Could anyone help me wire pins and solve the problem?
GINO.

Gino,
You should definitely be getting many more values in your buffer. You should actually be getting 500,000 values every second because a measurement is being taken for every pulse. I found a couple knowledgebases that describe error -10920 and how to remedy it. One is pasted below and the other can be found through the link.
But I'm not sure if you're going to be able to fix this problem because you're measuring pulses at a very high rate. What is happening is every time a pulse width measurement is taken it is put into an onboard (DAQ board) FIFO buffer that is 9 samples long. The computer then reads these samples out of the FIFO and into an a buffer that you can see in LabVIEW. I think the FIFO is filling up too fast and the computer is not able to read the data out fast enough. Therefore you are losing samples because they are being overwritten. This is all dependent on your system.
Here are some benchmarks for pulse measurements:
The following numbers were derived from a Gateway with 128 MB-RAM and an Athlon 700 for ONE counter of the PCI-6602. The number of counters you are using will affect these numbers.
Finite Buffer
Buff Period - 7.25 MHz
Buff Pulse Width - 7.25 MHz
Buff Semi-Period - 3.35 MHz
Continuous Buffer
Buff Period - 250 kHz
Buff Pulse Width - 250 kHz
Buff Semi-Period - 140 kHz
You should still be getting many more samples than 26 though. Try using this example with a very slow frequency pulse to make sure it operates correctly. Then start speeding up the pulse and determine when you get error -10920.
Here is an internal knowledgebase that may help you:
Title:
After Long Periods of Acquisition with AI and Counters, a -10920 Error Occurs
Problem:
A customer has a PCI-MIO-16E-4 and his application is acquiring analog input signals and performing event counting with the buffered event counting mode. The problem is that the buffered event counting is at some arbitrary amount of time (e.g., after 2 days) getting an error with the number -10920. The questions are:
1. Why is he getting this error?
2. Do you know how big the FIFO is for this buffered event counting?
3. When he shares a DMA channel with the floppy controller, how can we make sure they use separate DMA channels?
Solution :
Here are the answers to the above questions:
1. There is probably just some noise on the signal line coming in at some point. The STC is VERY sensitive, so if there is any fast glitching, it will attempt to transfer all of these. This can also happen if the signal does not ramp up fast enough, resulting in double-triggering in the middle region. Use a filter, or a Schmidt trigger*, to clean up the signals. Another suggestion is to use the PCI-6602 with filtering.
2. There is no FIFO used for the counters. The mMite has its own FIFO, but it is only about 9 samples long.
3. PCI does not "share" DMA channels. It may technically be the same DMA channel number, but this is just for reference. PCI cards use Bus Mastering. With Bus Mastering, the operating system gives up control of the PCI bus so that the hardware (in this case, our DAQ board) can handle its own data streaming, eliminating the extra step of having the OS monitor the transfers. The DMA channel numbers are just the "channels" that are supported by the mMite chip. You can have 3 PCI cards in the PC, each with DMA 1, 2, 3, and none of them will actually be sharing any resources.
And another knowledgebase about error -10920
http://digital.ni.com/public.nsf/websearch/8FB9091CB9BB452B8525642000554799?OpenDocument
Hopefully this all helps,
Erick D.
NI Applications Engineer

MIO-16E-1 Output sample rate limited?

I have a program that I have used successfully on some old Pentium 2 computers. I recently purchased a new PCI-MIO-16E-1 board, and placed it into an AthlonXP 3000+ (2.1 GHz) computer (HP a700n). It seems that I have to limit my output sample rate to be less than 5kHz, where on the old systems the rate could be up to 1MHz. I am wondering if anyone has ran into the problem before or not?
I have tried the older MIO cards in this newer computer, and came with the same problematic result (no output).
I have also tried changing the output between IRQ and DMA modes (making sure the input channel is opposite).

Can you give some additional details of the behavior you are experiencing on the AMD computer? It sounds like if you increase the update rate beyond a certain rate, then your program executes but you don't see a signal on your AO channels. Is this correct?
Yes, Jeremy, this is correct. It seems that if we go above a 400kHz output sample rate, the signal either doesn't make it to the output buffer, or simply never gets placed on the AO of the board.
Are you checking for errors in your program? If so, do you get any errors? Are you using NI-DAQmx or Traditional NI-DAQ to communicate with your hardware?
Yes, we are checking for errors, and we get none. Using Traditional NI-DAQ, all responses are (0) as expected.
It also sounds like you are performing AO and AI in the same application. Have you tried to run a simple AO example that ships with NI-DAQ?
I was searching for an example to try when I though about trying a Pentium PC to see if the same thing happened. As far as I know, anytime our software has worked on any computer, I need not go back to trying samples, as they are typically more complex than what we end up with. We simply make a voltage array, and shoot the array to the board (After setting output rate).

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

AT-MIO-16E-10 Iwant - but it shows a AT-AO-10

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