MAX Simulated Device SCXI-1001

I open "Measurement and Automation Explorer".
Right click on "Device and Interfaces".
Select "Create New".
Select "NI-DAQmx Simulated Device".
Press "Finish".
Expand "SCXI Chassis".
Select "NI SCXI-1001".
Press "OK".
Window "Create New SCXI Chassis" appears.
("Chassis Communicator" does not allow a selection)
"Chassis Address" set to zero
Press "Save".
Window "Chassis Communicator" not picked with message "Please pick the communicating DAQ device."
My system does not have an SCXI-1001 attached. Our equipment is being shipped to the
installation site. We need to continue software development and test.
Can you tell me if I can simulate the SCXI-1001 without the SCXI being attached to my computer?
This function worked when I tried it on the computer that had the SCXI-1001 attached.
Is there a work around for his issue?
Thank you for your help.
Bill

Hi Bill-
In order to configure a simulated SCXI chassis you will first need to create a simulated DAQ card to serve as the chassis controller. I would suggest a simple multifunction I/O board such as the M Series PCI-6221. Please post back if you are still not successful.
Thanks-
Tom W
National Instruments

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Import MAX configuration without device or simulated device

I'm hoping there's a way to do this.
In previous versions of MAX, it was possible to import Channel and Task information without having to import the Device. This was handy if you didn't have the DAQ boards installed on that PC, but you needed to check Task and Channel information.
I'm currently trying to import an .nce file from a project where I'd used a USB6008 as the DAQ device. I don't have access to one of those at the moment and it's one of the devices that cannot be simulated.
I have tried simulating a similar device with hopes of somehow "tricking" it to import. So far, no luck.
Does anyone know of a way I can have a look at the Channel and Task information in that .nce file or possibly fanagle it into importing without or with another simulated device?
Patrick Allen

Hi pallen,
I actually don’t know of a way to change the configuration in the .nce file. It's a binary file which main use is to import and export complete configurations when you do not need to edit that configuration outside of MAX. The .ini and .txt are intended for editing outside of MAX. However you can always import the .nce in MAX, make the changes needed and export a .ini to your final destination. Sorry that this is not too helpful on your current situation.
Ana P
National Instruments
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Simulated device in MAX, self tests without error and has working Test Panels, but doesn't show up in DAQ assistant.

I'm trying to create a development machine where we can test new code without using our physical hardware. I've followed this guide in setting up a simulated device. I can get to step 3.2b, but the device does not show up in the DAQ assistant. In MAX, the device self tests and self calibrates successfully, and when I open the test panels, I see some sort of signal. I assume this is a default simulated input since I haven't told the device to look for anything? Note that the two devices I'm trying to create show up in the Devices and Interfaces section, but that even after running Self-Calibrate, the Self-Calibration date is still unspecified.
When I try to test the device and create a voltage input according to the guide, I am unable to see either device in the DAQ task creator.
Steps 1 and 2 of this guide are obviously satisfied. Step 3 is not, but this is unsurprising since a simulated device wouldn't be found in the Device Manager anyways. Also, I am not running RT, so step 4 is satisfied.
Does anyone have any ideas?
Solved!
Go to Solution.

That would be because the PXI 5124 is a digitizer not a analog input device. You need to use the NI SCOPE driver not NI DAQmx
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Why does the DAQCard-6026E not show up as a simulated device in NI-MAX 4.3?

I am trying to simulate the DAQCard 6062E in Measurement and Automation Explorer. I have MAX ver 4.3 and NI-DAQmx ver 8.6 installed on a Vista OS. When trying to install simulated DAQ devices, there are no DAQCards listed as options for the E series. I don't know how to simulate this device if it won't show up in this menu.
Thanks

The 6062E (not the 6026 in your subject) shows up for me with the exact same versions of MAX and DAQmx.
p.s. Since your question has nothing to do with NI-Elvis or the student edition, you might want to post similar quesiton to the Multifunction DAQ board.
Message Edited by Dennis Knutson on 09-28-2007 10:14 AM
Attachments:
DAQmx Simulated Devices.PNG ‏17 KB

Creating USB6525 simulated device in max

Can we simulate usb6525 to develop an application while waiting for device to be delivered? Cant see in in the simulated devices list in MAX?
Kind Regards

If it's not there, then use other Digital I/O devices.
Adnan Zafar
Certified LabVIEW Architect
Coleman Technologies

Incomplete simulated device list in MAX

I'm trying to create a simulated device (PXI-4071 DMM) using NI-DAQmx 8.9.5 but the list of instruments (see attached picture) contains far less than the list shown in the "NI-DAQmx Simulated Devices" tutorial. Most specifically, it doesn't contain the category "Digital Multimeters" where I'd expect to find the PXI-4071. What drives the list of available instruments? Are there device drivers I need to load to fill out the rest of the list?
-Warren
Solved!
Go to Solution.
Attachments:
My Simulated Device List.png ‏25 KB

A DMM does not use DAQmx so that is why you would not see it listed. You use NI-DMM and it can be simulated if you use the IVI driver.
Edit:
"Install the latest DAQmx drivers. I am running 9.2.3 and it shows up."
You are correct. Never saw that before.

SCXI-1001 will not test properly

I have a SCXI-1001 chassis with two SCXI-1102 modules on board. I have one in slot 1 and one in slot 12. I have the chassis cabled to a DAQCard-AI-16E-4 PCMCIA card on a Dell laptop. Whenever I look at the PC Card Manager, it shows that the DAQCard is working correctly. In MAX, the DAQCard passes the "test resources" test, as well. Whenever I insert my chassis and select auto-detect modules, it finds the two SCXI-1102 modules. When MAX asks me to identify the controlling module, I choose the module in slot 1, which should be correct. The chassis and modules appear in MAX, but when I try to run the device test on the chassis, MAX says, "Unable to test chassis at this time." When I look at the properties of the m
odule in slot 1, the "Connected To" field shows "None". If I select the card and choose "Apply", then "OK". The slot is still not connected to the card. When I go in to slot 1 properties again, the "Connected To" field still shows "None". MAX will not let me select a module to control the chassis.
I have made sure the chassis is on and connected to the card (obviously, since the auto-detect worked). I have traded out all of the hardware, and restarted. I have tried about everything to no avail. Hopefully someone can shed some light here.
Thanks,
James Dean
Lockheed Martin

The "Connected To" property shouldn't be disappering. I would make sure I was using the most updated NI-DAQ version. Since you have tried some different hardware, it may be a software issue. Also make sure you are not only selecting the DAQCard for the Connected To field, but also check the box below it to indicate that the module will control the chassis.
With SCXI systems, there are several hardware components to consider. You might try switching cables (check for bent pins) or cabling to the other 1102 module instead. You can also try different SCXI slots or a different SCXI chassis all together.

Scxi 1001

Hi.....
My system consist of SCXI 1001 chassis,SXCI 1321 modules,SXCI 1321 terminal blocks as well as NI6052E card.
My problem is to configure the SCXI 1001.
In MAX,when i am going to "creat new" in Devices and Interfaces , it shows my SCXI 1001(But it also shows some other SCXIs and PXIs).When i am right trying to configure it , i am unable to do it.
I checked the drivers also but the systems says that the drivers are ok up to the date.
Actuelly, i want to measure the temprature in Labview.For testing purpose , i have attached the load cell but the attached channel doesn't show anywhere in the system.Actuelly system doen't ask me also to configure all these details.
I am a new usuer so guide me in that way.
Please give me the response soon because i am lacking of the time.
Please ask me other essential informations so i can provide you immidiately.
Bhavik.

Hi Bhavik,
The first thing to do is make sure the 6052E is installed
correctly. Make sure it is listed under Devices and Interfaces >> NI-DAQmx
Devices in Measurement and Automation Explorer (MAX) and that it passes a self
test. If the 6052E is present and working make sure that you do not have any
SCXI chassis’s configured under NI-DAQmx devices that use the 6052E as the
communicator already. If it is already set as the communicator of a SCXI
chassis it will not be available to select when configuring a new chassis. If there
is already a SCXI chassis using the 6052E you can remove this chassis by right
clicking on it and selecting Delete. Once this is done the 6052E should show up
in the chassis communicator drop down menu when creating a new chassis. Please
let me know if you have any questions.
Thanks,
Nathan
National Instruments
Digital Hardware Engineer

Obtain the determinate data from the NI-DAQmx Simulated Device

Dear All,
       How to config in MAX in order to obtain the determinate data from the NI-DAQmx Simulated Device?
       For example, the vi will run when the Digital I/O line is High, but using the Simulated Device, the result is random. In another word, I can't set the line is high or low.
       Would you please give me some suggestion?
       Thank you!
Hugo

Here is what I mean of stopping the DAQmx stimulated device. I do from step A - E; and step E is what I mean stopping the DAQmx stimulated device.
3. Use the NI-DAQmx Task in VI Logger Lite to complete a data logging application.
a. Open VI Logger Lite. If you do not have VI Logger Lite, download it or request a free CD.
b. Right-click My System>>VI Logger Tasks and select Create New.
c. Select Using NI-DAQmx and click Finish.
d. Select the NI-DAQmx task for the NI-DAQmx simulated device. Leave all settings in the defaults, and click Run task in the toolbar.
Figure 9. VI Logger Lite data logging task.
The data logging task begins. Data from the NI-DAQmx simulated device is displayed in the Real Time Data viewer.
e. Click Stop task.
====================
=Labview 7.0 & 8.0 & 8.5=
=====================

SCXI 1001, SCXI-1102 and SCXI-1303 not working correctly with DAQmx

I have recently upgraded from Labview 6.5 to Labview 8.2 and now my SCXI 1001 with a SCXI 1102 and SCXI 1303 terminal block no longer reads the correct voltage. Using the old version of labview thermocouple measurements are correct at 0.5mV; however using the new version of labview and DAQmx the thermocouples are reading 5V. Everything is installed correctly as it still works with the older version of Labview, is there something that needs to be reset or change so that teh SCXI will function properly with DAQmx?

Hello ilabtech,
From my understanding you are using an SCXI 1001 chassis with an SCXI 1102 and 1303 terminal block to perform thermocouple measurements. You are upgrading to LabVIEW 8.2 and DAQmx. I am assuming you were using LabVIEW 6.1 since there isn’t a LabVIEW 6.5. You mentioned that are able to get a correct reading of 0.5 mV with LabVIEW 6.1 but you see a rail of 5V with LabVIEW 8.2 and DAQmx.
My first suggestion is that you ensure that the SCXI is set at the appropriate range and for the correct thermocouple type. You can also configure these settings in MAX as detailed on page 27 of the SCXI 1102 User Manual and Specifications Guide.
My second suggestion is for you to start off using an example program to see if you see the same error. When you are in a LabVIEW 8.2 VI you can go to Help>>Find Examples to open the NI Example Finder. You then choose Hardware Input and Output>>DAQmx>>Analog Measurements>>Temperature>> Cont. Acq Thermocouple Samples-Int CLK.vi.   This example program is supported by your hardware and is a good resource to use to troubleshoot.
If these suggestions aren't helpful please answer the following questions in your reply.
1.       I would like to know what range you have set the SCXI 1102 to read.
2.       What version of DAQmx are you using? You can find the version my opening Measurement and Automation explorer (MAX), expanding the “Software “and clicking on NI-DAQmx.
3.       What operating system are you using?
4. Does your Traditional DAQ program work in LabVIEW 8.2?
Regards,
Ima
Applications Engineer
National Instruments
LabVIEW Introduction Course - Six Hours
Getting Started with NI-DAQmx

Generating a custom signal through a simulated device

Hello,
I am acquiring 6 channels of strain gauge data simultaneously through the SCXI-1000 chasis with the SCXI 1520 card. I want to create a synthetic input signal so I can test my programming structure. I created a simulated device and simulated channels, but I cannot figure out how to control the simulated signal that is being generated. I would like to be able to specify a waveform, frequency, and amplitude of the simulated data so that I can test some special cases of my application. i cannot use the 'simulate signal' subvi because my code needs to remain unchanged to truly test this. please let me know if this is possible through a simulated device. your help is much appreciated.
thanks,
jt

jt,
You can write your own simulated signal source. Make a copy of the DAQ Read VI with a different name. This gives you a VI with the same connector pane so it can be substituted into your program. Open the simulation VI and remove all of the DAQ stuff. Put your simulation code in its place. Substitute the simulation VI for the DAQ Read VI in the main program.
Now, how do you "specify a waveform, frequency, and amplitude of the simulated data?"
You can add a cluster with controls for all those variables to the connector pane if there is a terminal available. Or you can use an Action Engine. Call the action engine with the command set to Write in your setup code or in a separate VI for the purpose. Inside the simulated DAQ Read VI call the AE with the command Read to get the parameters for your simulation. Your flexibility with this approach is limited only by your imagination and your coding skills.
Lynn

SCXI-1001 cannot detect modules via SCXI-1600

我現有
NI AT-MIO-16E-10
SCXI-1001
SCXI-1102
SCXI-1102B
SCXI-1303
SCXI-1160
SCXI-1324
SCXI-1600
除SCXI-1600外,都是以前的人留下的,
在兩個月前, 在使用其間電腦detect不到SCXI-1001,
因為 NI AT-MIO-16E-10 實在太舊,
所以認為問題出自它,並買了SCXI-1600替代,
選SCXI-1600因為可以連USB方便得多
現在當我在SCXI-1001中只放SCXI-1600,是沒有問題的,
在Measurement & Automation中,
可以看見在"Devices and Interfaces"中有"NI SCXI-1001"SCI"",
之中還有"1: NI SCXI-1600 "Dev1"",而"1"代表slot nukber,
我已全試了12個slot,每一個都能正常detect,
證明SCXI-1001全身應該無問題,每個slot都正常運作
而問題是,當我放SCXI-1102或SCXI-1102B進其他slot時,
就不能detect出來,我right cick "NI SCXI-1001"SCI""開"Properties",
在打開的"SCXI Chassis Configuration"視窗中,
能看見"SCXI-1600"在相應 slot number 的"Module Array"中,
就算按下"Auto-Detect All Modules"也好,
SCXI-1102都不能detect出來
我亦試過手動輸入"Module Array"為SCXI-1102,而"Accessory"為SCXI-1303,
但當我test "NI SCXI-1600 "Dev1"時,就會出現以下error:
Verify SCXI Chassis
"SCXI-1001
Chassis IDC1
Slot Number 4: the confiduration specifies a SCXI-1102 module but nothing was detected."
即是說SCXI-1001跟本detect不到SCXI-1102,
換上SCXI-1102B結果都是一樣
問題是不是出自SCXI-1102和SCXI-1102B?
應該如何證實?
另外,若換上SCXI-1160的話,Measurement & Automation就只能detect SCXI-1600而detect不到SCXI-1001,
為甚應會這樣?
謝謝
已解決！
轉到解決方案。

建議將 SCXI-1102 等等送到 NI Taiwan 客服部，
客服部會請工程師幫忙檢查是否故障
如果檢查的結果是故障，您可以決定是否付費維修

SCXI-1001 possible overheating

I'm using an SCXI-1001 chassis to aquire analog signals and provide output for controls. The system had been working perfectly for weeks until, in a recent test, all the input signals were suddenly recorded as zero. Here are the exact symptoms of the problem:
-only occurs after at least 24 hours of continuous operation
-all analog input signals are recorded as zero; LabView still recognizes that the device is present so no error is generated
-output (switches in an SCXI-1324) is completely functional
-problem can be corrected temporarily by turning the chassis off and on again, but returns within five minutes (give or take 30 seconds)
I am confident that this is not a software issue. The long onset leads me to believe that it is an overheating problem, but the chassis does not have any noticeable hot stops.
Any ideas?

HI,
Based on your post it does sound like it is unlikely that it is a software issue but it would be rule it out completely. I am curious to know the environment that your chassis is in. Mainly is there sufficient airflow around the chassis. Also are the fans in working order and the filters clean? Do you have another chassis that you could use to test if this is a hardware failure of caused by the environment. I hope this helps you troubleshoot a little farther please let us know the results.
JaceD
Signal Sources Product Support Engineer
National Instruments

Simulated Device Aliases should behave like other device Aliases

BUG submission:
Here is a nasty little problem: do the following:
Replace a USB device neatly:
Assign an Alias to a USB Device For simplicity use an NI USB 6008 "MFD1"
Remove the device from the system
Plug in a new NI USB 6008
Run the code here with "Device to rename" = MFD1
require no further action. This is desirable behavior! user's are happy (And if I went to nirvana and wrote the Devmon hook linked from the abResult: Old 6008 becomes "Dev1" New 6008 is MFD1 and existing applications calling resources for "MFD1" ove the swap happened at PnP device discovery)
Similar techniques can be used for a system where one developer delivered a solution using a DMM as "Dev1" and your app call's it "DMM1" Yup, Application specific hardware configuration has a lot of potential!
Contrast that with this:
Replace a Simulated USB device:
Assign an Alias to a Simulated USB Device For simplicity use an NI USB 6008 "MFD1"
Plug in a new NI USB 6008
Run the code here with "Device to rename" = MFD1
Ignore the runtime error
Result: Simulated 6008 remains "MFG1" New 6008 is "Dev1" and existing applications calling resources for "MFD1" are broken pointing to the simulated device.
Simillar problems ocurr when importing a *.nce file (No surprise since, the system configuration API lets LabVIEW act on system configuration methods and properties just the way MAX does)
This bug can be a showstopper for high mix test enviornments with staged test releases.
Jeff

Intaris wrote:
An alias for a usb device is probably intimately linked to the device serial number. If the devices have valid serial numbers (usb spec says its optional) then what you want wont work because windows will only ever recognise that device with pid vid and serial number exactly matching as being the same device.
Which is why I intercept the connection event and configure NI Device monitor to launch the custom exe to re-name the alias via the system configuration API for USB DAQmx devices (and launch a config import from file in a system rollcall sequence for system hardware that doesn't use the DAQmx expert)
With an alias I could care less about how the OS identifies the resource- its what they exist for
Jeff

Why can't I see a simulated device in myDAQ assistant?

I have created a simulated device (cdaq 9174) in NI MAX.
I am using the DAQ assistant symbol in labview to create a voltage signal simulation.
When I get to the "select physical channels to add to the task" screen in the DAQ assistant, my simulated device is not showing up, even though I can see it in NI MAX.
Any trouble shooting suggestions?

Hi Dawud,
you should stick with your original thread instead of scattering the problem in different places…
Did you also simulate some modules in this cDAQ chassis?
Why don't you supply a MAX screenshot with your question?

MAX Simulated Device SCXI-1001

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