LabVIEW error 10899 when testing a virtual channel

I am setting up a virtual analog voltage output channel in the "Measurement and Automation Explorer". I am able to get throught that process and it shows up under "Traditional NI-DAQ Virtual Channels" on the left. When I right
click on the channel and then go to "Test", I get the message "Error - 10899 occured at AO group config".
Sometimes when clicking on test, the MAX crashes and a random window from LabVIEW pops up on the screen. Then I
have to open the MAX again.

Hello bberma01,
I don't like to give you this type of answer, but in this case I think the best think to do is to unistall and reinstall your driver. While we are at it, DAQmx is the newest driver and is very user friendly. I would suggest using it for your data acquisition development.
If you need to download the driver, you can find it Here

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Why does labview forget the connections to the virtual channels in MAX?

I create a bunch of virtual channels in MAX - some with double assignment to a single AI port.
Context - a digital output controls a MUX to switch the inputs into the AI ports of my USB-6361(BNC) DAQmx; thereby allowing me to double up on the number of AI ports I can access (switching every 5ms).
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Am i mistakenly killing a link between MAX and the DAQmx?

natashw already told you that it's expected behaviour when you leave the analog input open. There are two aspects to this:
1) The analog input amplifier is a high impedance operation amplifier. It's minimal stray capacitance is high enough that it gets charged through very small leakage currents in the amplifier input stage, but the high input impedance doesn't allow those capacitance to discharge quick enough to stay at a defined voltage. So your input is usually very slowly floating to one of the power supply rails depending what transistor side has a slightly higher leakage.
2) You only have one analog to digital converter. To get multiple channels there is a multiplexer than connects the different input channels to this single ADC. When the multiplexer switches between from a connected signal to an unconnected signal those stray capacitance at the ADC amplifier input has been charged to a certain voltage from the connected channel. With only the internal impedance of the amplifier to discharge this capacitance after the multiplexer switched to an unconnected input, the ADC will simply see the voltage that the stray capacitance has been charged to.
Having a low impedance amplifier input would solve that problem but create many more problems that would affect the measurement accuracy significantly.
Rolf Kalbermatter
CIT Engineering Netherlands
a division of Test & Measurement Solutions

Error "CONVT_NO_NUMBER" When testing Nisto e-orders for Dow integration,

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Hi Sanjith,
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Hi Jon,
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Error message when testing Submit by Email button

I used Adobe LiveCycle for the first time to create a form. I added both a Submit by email and Print buttons. When I go to Adobe Professional to test my form to email, I get an security error message that the documet is trying to connect to my email address as the correct domain. I then have the option to Allow or Block. When I click Allow nothing happens and I don't get the email in my inbox.
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You have multiple options to sending whole PDF format.
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Hello together,
I have installated the "SAP Web Application Server 6.20 Test Suite" sucessfully.
By click on Button "Test" in Transaction SMLG (Tabstrip "Attributes") i get an Error:
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Best regards,
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I am facing the same type of problem. I refered the notes you said. At my side,
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ERROR 500 when testing webservice

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THX
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org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.ws.server.endpoint.adapter.GenericMarshallingMethodEndpointAdapter#0' defined in ServletContext resource [WEB-INF/spring-ws-servlet.xml]: Cannot resolve reference to bean 'marshaller' while setting constructor argument; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'marshaller' defined in ServletContext resource [WEB-INF/spring-ws-servlet.xml]: Invocation of init method failed; nested exception is java.lang.NoClassDefFoundError: com.sun.xml.bind.DatatypeConverterImpl (initialization failure)
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>

I have decompiled the offending class and there are many static initializers, one of them fails and cause the NoClassDefFoundError...
additional info is necessary...
If you use JRockit you could enable print exceptions http://blogs.oracle.com/hirt/2008/08/simple_exception_profiling_wit.html

Error 10403 in Virtual channel Test Panel, but test pannel for device works fine

I am using a simple 10x probe attatched to the NI5112 PCI card. When the device is tested under the devices and interfaces part of MAX, I get the scope input, when I test the virtual channel for the scope, i get error 10403. How can i resolve this?

The reason you get that error is that virtual channels are not supported with our high-speed digitizers. Only devices that can be programmed directly with NI-DAQ support virual channels. The legal way to address a high-speed digitizer is by using DAQ::N, where N is the device number in MAX.

Errors in Creating Virtual Channel

I am creating a IVI switch driver. The driver passes the IVI Specific Driver Suite 2.2 and IVI Switch SFP testing. When I try to create the virtual channel the device is found (created IVI Logical Name and other fileds) but the channels displayed are empty on the Channels/Exclusion tab. What calls are made when creating the virtual channel? I want to create a CVI or TestStand program to simulate the sequence that Switch Executive performs.
When validating a configuration, are all possible channels used in SetPath loop? As an example, if three channels are defined (Front, rear, & base) but only the front->base, rear->base, base->front and base->rear are valid configurations. Will the vaildate try a front->rear configuration? Will a disconnect call be placed in between each SetPath call?
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Randy

Randy,
Although you cannot step through the NISE engine, you can step through your driver's code and debug its behavior. If you have problems with importing IVI virtual name into switch executive virtual device, then what you need to do is select nimax.exe as the process to debug and run it with the debug version of your driver. If you were using CVI, you can set the external process under Run>>Select External Process. If you're using MSVC, you can choose "open project" and browse to nimax.exe and then add symbols for your driver DLL in the project settings.
The entry points to monitor (for your particular problem) are the ones that deal with getting the number of channels and getting individual channel names and their attributes. Make sure that your driver returns the correct number of channels and that it also returns all these channel names correctly. If you see no error in switch executive (I.e. it just says OK after you import your ivi logical name), then my guess is that your driver returns 0 for the number of channels.
Please be aware that switch executive exercises much more than any of the IVI clients you mentioned. Yet it does not go "through the back door" for anything, it (obviously) uses public entry points in the driver to perform what it needs to do.
So, you can start by setting up debug project in your favourite environment, and check the behavior of the following functions in your driver:
getting the IVISWTCH_ATTR_CHANNEL_COUNT attribute
IviSwtch_GetChannelName (with your prefix, of course)
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Thermocouple reading has offset when I choose a large range on virtual channel?

I am using SCXI 1102 with 1303 terminal block. I create a virtual channel for a type J thermocouple using CJC built-in. I set the range of the measurement to 0 to 500C. At ambient temperature (22C) I read 10C. If I change the range to 0 to 100C the reading is correct. How can I fix this problem?

Well, you already tried the obvious. The less obvious might include NI-DAQ driver problems. It has happened before.
On a SCXI-1126 frequency module, back in the 1998-2000 time frame, the underlying code within NIDAQ had a problem where when you picked a channel scaling that was EXACTLY within the boards ranges, such as 1k, 2k, 4k, 8k, etc., the board read back frequencies correctly. However, when you used a virtual channel to set up scaling to something like, say, 0-2200hz, the algorithm to span that wrange worked incorrectly. It evidenced itself as a drop off followed by a peak rather than a gradual ramp up in readings as the frequency increased. I eventually created a program that plotted the problem and showed it to our local
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The point is, the problem didn't show up in NI's production testing because they always used exact ranges in tests, while virtual channels allowed more flexibility. Somehow you need to be able to get NI to duplicate the behavior.
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Another thing that could have happened is that you may have a group of boards with a bad lot of chips. Check to see if all the boards you are swapping during troubleshooting have the same lot numbers on the chips. If possible, try to find at least one board that is much older or much newer when you are swapping. We resolved a 4 year problem when we finally realized 56 solid state relays on 14 different S
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Tim Jones

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[Waiting for the domain to finish building...]
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[10:59:54 AM] Extending Integrated Weblogic domain...
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http://forums.oracle.com/forums/search.jspa?objID=f83&q=QTJava.zip

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I need to find a way to have my executable bleep immediately if the underlying drivers are not installed.
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Sometimes I run a that uses daq, however when it encounter Creat Virtual Channel VI it appears to hang for a minute and a half before finally giving an error.
Anyone else been there, done that?
Thanks

Thanks for replying D-cubed.
Actually Im calling create virtual channel in a state machine to set up the data acquisition.
When using on a machine that has a daq device installed its a piece of cake. no sweat.
However, when I am at home I have LabVIEW but possibly either no daq drivers or no daq hardware.
I believe it may be the second case since I can place a task on the BD so, I will assume the drivers are installed correctly.
There is just no daq hardware in the system.
WHen the create virtual channels Vi is called the PC appear to hang because that VI is executing internally (looking for a device I presume).
The timeout takes 1.5 mins and if not for me waiting the PC would appear to be hung up.
Finally some 'Mig error' message appear contact Ni about and so on.
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I have a SCXI 1000 chassis, a SCXI 1102 module and a TC 2095 terminal block. I am configuring virtual channels with the names TC(n) where n is the channel number. When I configure the virtual channel, I am selecting 'built-in' CJC. The question I have is:
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I gather that the data that I read, which is obviously scaled to engineering units, is, indeed, cold-junction compensated, but I would like to be certain that t
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Wes;
You are right. That is the way it works. If you specify the CJC compensation in MAX when creating a Virtual channel, to be the built in CJC, the data you get is going to be CJCed already.
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Hi Fergusonhd -- yes, there is a way to do this --> Look in DAQmx-> DAQmxAdvanced-> Scale -> Scale Property node.
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usually where there is an error in the LabVIEW code module TestStand stops and gives a pouup message .
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You can also work more globally - go to the Configure menu item and select Station Options.
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LabVIEW error 10899 when testing a virtual channel

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