Re: Spline Interpolation
Thanks.. Altenbach. U r absolutely right. it has an error -20049. But I don't understand the problem of duplicate x-value. because that I did is I load the x and y value from the textfile.txt and keep in Global variable. then, I send the x-array and y-array into the Spline interpolant.vi. This is the same way, that I did with another textfile (which is only 200 dim) and it work. but why this file (1000 dim) is not working. Thank you very much for ur kind help. Nopporn
sending timeout event
i am trying to find a way to send an event to another VI especially a timeout event if possible, but an unused (in that case) event like keydown would be fine but am embarassed with this hassling registering procedure and can't make it work does someone could enlight me or send me a small example for it ? thanks in advance -- Pascal Luquet Bien Entendu eMail : [EMAIL PROTECTED] www.BienEntendu.fr
Re: executable vi files in windows!
Hi Wiebe, thanks for your reply! Yes, i want that my application run in other pc without install labview runtime. I assure to you, this program run in all pcs without install the lbrt or LV. Then, you say I only must to put the lbrt.dll in the directory. But Where i get the file?. Also I think before I must to convert the file dll(all my vis) to .exe, and i dont know, how can I pass from .dll to exe?. It would be great. thanks for try to understand me. :) Best regards.
Registering to Exents and displaying UI of a native .NET assambly (C#) with LabVIEW 7.0 Express?
Hi there, I red something about LabVIEW 7's new .NET interface and I started to try things out. I was able to successfully create an .NET User Control with C# that exports one property, one method and one event for demonstration puposes. It was piece of cake to access my assamblies method and property but unfortunately, I wasn't able to figure out how I do register the .NET event with LabVIEW 7. Additionally, it seems like LabVIEW 7 doesn't provides any feature to embbed the .NET assamblies user interface into a LabVIEW front pannel just like with ActiveX controls or sub vi references. Does anybody know how to register .NET events with LabVIEW 7 or how to display a .NET assamblies user interface in a LabVIEW front panel container? Thanks for your help, Sebastian Dau
Re: Can I use any acquistion card with Labview?
Thank you Nirmal Sharma But are all the software drivers provided by vendors recognized by LabVIEW? In other terms, must these drivers get a satandard architecture or protocol so LabVIEW can communicate with them? Or, if I develop my own acquisition card, how can I write it's driver so LabVIEW can communicate with it? Best Regards Isam
Re: executable vi files in windows!
Yes, i want that my application run in other pc without install labview runtime. I assure to you, this program run in all pcs without install the lbrt or LV. Then, you say I only must to put the lbrt.dll in the directory. But Where i get the file?. Also I think before I must to convert the file dll(all my vis) to .exe, and i dont know, how can I pass from .dll to exe?. There seems to be lots of confusion. LabVIEW VIs are not executables. They are compiled code, sort of like a DLL that can be executed within the LabVIEW environment, but not on their own. You can build LabVIEW VIs into an EXE using the Application Builder. This capability comes with the Professional edition and can be purchased separately. In order to keep the size of the executable smaller, the executable references the runtime DLL. The tool that build executables also builds installers that can automatically install the runtime if it is needed. If you build an EXE, the user can just double-click, they don't need to launch the runtime and load a VI. Greg McKasle
Re: How to create a amplitude against freq graph?
Hi, Iam new in labview. I measured amplitude from my DMM connected through GPIB. I also measured is freq result. How can i plot a graph of amplitude against freq plot?(something like a freq response plot). I do not know how to change the the x-axis of the waveform provided in labview into freq. Thank You. If you are plotting an array of amplitudes sampled at various frequencies to a waveform graph, you are pretty close. The scale will default to being labeled by index -- first amplitude plotted against zero, second against one, etc. You can programmatically or interactively add a linear transform from index to displayed number. In otherwords, you define an M and B to define what zero maps to, what one maps to, etc. And you can also use the labeling tool to change the scale label to read frequency or whatever you like. If your frequencies aren't in a linear progression, or if you just think it is simpler, use an XY graph instead, and put the frequency with each amplitude in a cluster. Make an array of these XY paired clusters. Then change the scale label. Greg McKaskle
Re: Can I use any acquistion card with Labview?
Sometimes what you get from the vendor is a DLL (and supporting documentation). From this, you can use LabVIEW's Call Library Function to access the DLL. This should work most of the time but if the author of the DLL has used datatypes that are not supported by LabVIEW, then you might have to write a wrapper in C to do some conversion. If you're lucky, the vendor will provide a set of LabVIEW VIs that they've written that incorporate communication with their DLL. You will not find any card that you will be able to use with MAX or the LabVIEW data acquisition functions. Those rely on NI-DAQ which is strictly for NI manufactured DAQ boards.
Re: two vis different timings?
Just use two separate loops on your VI's diagram, one for the data I/O and one for the GUI. Use queues, notifiers or local/global variables to send data from one loop to the other.
Re: Building functions.
Daniel, Would examplesmathmath.llb1D Explorer Example.vi in the full or professional version help? -- EnWirementally, Paul F. Sullivan SULLutions (781)769-6869 when a single discipline is not enough visit http://www.SULLutions.com
Hello, I'm searching for Labview 6 Driver for ABB PLC series 90
I want control all digital imput and output of a ABB PLC series 90 (07KT97) and I want control also the analog imput and output.
I need My Data Processing SubVI, too. May you send it to me?
I asked for AcquireProcess N Scans vi. Actually, the modification was in the SubVI My Data Procesing. I need the original version, that one with no processing. Thanku!
Re: reading in serial communi
What is your byte count when using the read function. If you are only sending so many counts and your read function is requiring more you will encounter a timeout because that amount is not available. Maybe use the bytes at serial port function to find out how many bytes are available, when they are available read them. Hope this helps.
reading in serial communication sometimes doesn´t work
I=B4m working with the example about serial communication. I connected my electronic card and sometime I read the data at my seial port ok and sometime I get serial error or time out. I need the system to be stable, what can I do?
How to do to replace a SubVI?
Suppose I create a VI (main1.vi) that uses a SubVI1. Then, I realize another version of the main VI, main2.vi, which differ from main1 by the fact that it uses SubVI2. I don't want to create a new icon, because there is a slight difference. Just want to associate a new file and make this association valid for main2 only. Is it possible?
Re: I accidentally deleted a NI Example for Labview 7.0 (it is...
Glad to be of assistance.. :o)
Bug in Unflatten from String (LV7)
Hello Wireworkers, when unflatting certain binary datas with Unflatten fromString (LV7) I get an error msg window Nicht genügend Speicher zum Abschließen dieser Operation (* not enough memory to close this operation). The error-output of the vi is incorrect. Does anybody know a workaround of that bug? I have binary files with different versions of a certain datatype. When loading a file, I try to unflatten the data using the newest dataversion. If I get an error, I try the 2nd newest dataversion and so on until I found the right datatype. This methode was ok up to LV6.01. In LV7.0 the bug appears when I try to unflatten to the wrong datatype. My datatype is an array of clusters of strings and numbers. NI knows the bug but has no patch or workaround. NI-service told me, to wait for LV7.1, maybe mid of 2004, --- very ´good´ service. This bug is a fatal problem for me, I cannot read many of my old measuring datas under LV7.0. If I dont find an solution, the consequence will be, I throw out LV7 and go back to LV6.01. Thanks, Albert Zeitlmeir ** Legal Disclaimer MAN BW Diesel AG ** This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager ( [EMAIL PROTECTED] ). No warranty is given that this correspondence or attachment is free from any virus. In keeping with good computer practice, you should ensure that any information received is actually virus free. Email messages may be subject to delays, non-delivery and unauthorised alterations. Information expressed in this message is not given or endorsed by MAN BW Diesel Aktiengesellschaft unless otherwise notified by our duly authorised representative independent of this message. ** Legal Disclaimer http://www.manbw.com **
Tetrapolar Impedance Measurement with NI ELVIS
Using NI ELVIS, I am trying to create the capability to measure and analyze bioimpedance from a tetrapolar probe (with two current injecting electrodes and two voltage measuring electrodes). I was hoping that the interface could be the same as the existing bioimpedance analyzer. However, the measurement and analyzing software would need to be different. Does ELVIS have the capability to measure tetrapolar bioimpedance? Can the bipolar impedance analyzer be programmed to measure via a tetrapolar probe? Can the three-wire current-voltage anaylzer be used to this end? If it does not have the capability to measure tetrapolar impedance, can the 3-wire CV analyzer measure reactance (without measuring phase angle)?
Levenberg Marquardt is not working....
here is my code. I know it's long and very badly written. but under the core of the program section I am usign this Levenberg Marquardt to fit my data but for some strange reasons I am not getting any output from the program. Is it possible for someone to look at the program and tell me what and where I did wrong. thanks in advance In anticipation of reply Priiyank
Re: error (10) installing Simulation Interface Toolkit Patch
Hello Dave Parrish, This issue comes from installing the SIT patch on a computer that has already had the patch installed. For example, installng SIT 1.0 and the patch, uninstalling SIT 1.0 and then reinstalling SIT 1.0 and then trying to reinstall the patch. To resolve this issue, delete the following two (2) items from the C:\SimulationInterfaceToolkit\ModelInterface directory before reinstalling the patch: nidll_vc.sav VILauncher2.exe Regards, Chad Evans
Re: How to do to replace a SubVI?
Yes, but you have to name SubVI2 differently than SubVI1. You can open SubVI1 change it and save it as SubVI2. In LV7, it will automatically substitute the sub-vi to SubVI2 in your main2.vi and save your second main2 under a new name (such as main2.vi).. (that part you understood already.. ;o) -JLV-
Re: acquisition of multiple signal types
Thanks Toddd... got me going.
Re: Hello, I'm searching for Labview 6 Driver for ABB PLC series 90
I think the ABB PLC Series 90 (07 KT 97) supports MODBUS which would give you several options which vary in cost/time. You could get NI's Industrial Automation OPC Servers which have a Modbus object and use Datasocket as per the KnowledgeBase item that discusses communicating with MODBUS devices in LabVIEW: http://digital.ni.com/public.nsf/3efedde4322fef19862567740067f3cc/2cd034f223c650e9862569570041995c?OpenDocument You could move up to the LabVIEW DSC. http://sine.ni.com/apps/we/nioc.vp?cid=10418lang=US You could get a third party product like BusVIEW or ModbusVIEW. Or you can get freeware that you'd spend some time adapting for the ABB. A good list of these is at http://www.mooregoodideas.com/FAVIs/PLC.htm
Re: cont: Serial port 8bit ADC circuit
Hurray for epanorama!! I think you will be able to do this. What concerned me was controlling the exact lines of the serial port. I searched NI's site and found a href=http://digital.ni.com/public.nsf/websearch/1ECEFAA7AD52994986256966005356EA?OpenDocument;How Can I Control the DTR and RTS Serial Lines in LabVIEW?/a. I think this is the info needed to complete the serial concerns. You can search NIs site at the a href=http://search.ni.com/?col=alldocslayout=TechResourcesql=a;advanced search/a page. It is very useful.
Val(sgnl) Property of a Button to Fire Event
I'm trying to call a button value change event handler by using the Val(sgnl) property of a button control. Its not working. Ive done this with boolean controls and it works great. The boolean version takes a boolean input while the button version takes a variant - I'm not sure why there is a difference. I tried it by wiring a T/F directly into the property, and using a Data To Variant to convert the input, but neither works. Thanks, Bill F
Re: How do I disable the screen protector? Como desactivar el salvapantallas.
Umberto, Recomiendo que uses una funcion del Windows SDK que se llama SetCursPos. Esta funcion cambia la posicion del raton programaticamente, y puedes usarla para desactivar el protector de pantallas cuando una alarma o evento sea generado por el movimiento del raton. Puedes ver un ejemplo de como usar esta funcion aqui: http://exchange.ni.com/servlet/ProcessRequest?RHIVEID=101RPAGEID=126HOID=506500080005B8HFROM=ViewAnswersUCATEGORY_0=_49_%24_6_UCATEGORY_S=0 Translation: Use the Windows SDK function SetCursPos to programatically move the mouse cursor when an alarm or event is generated. The movement of the mouse will deactivate the screensaver. The link above contains an example of how to use this function. Regards, Erin
Re: How do you open an excel workbook-sheet 2 ,read the number...
Thanks for the high rating. To rate the answer, you would need to view the LabVIEW General discussions on http://exchange.ni.com and find the message thread. Here is a link to that message thread: http://exchange.ni.com/servlet/ProcessRequest?RHIVEID=101RPAGEID=137HOID=50650005006D480100HIsQuestionPoster=NoHTHREAD=84077UCATEGORY_0=_49_%24_6_UCATEGORY_S=0 Thanks again, Michael
RE: Oracle database question
Hello Scott, I am a MySQL user, so you have to take what I say with a handfull of salt. You should be able to do what you descibed. If Oracle is similar to MySQL in essence, then these comments may be useful. In the simplest INSERTions MySQL wants its data entered as complete rows. But you can direct it to place data in a particular column by using the SET column function. In the insert statement you first indicate the table and row of interest then direct its attention to a particular column. I won't trouble you with syntactical info. Another method would be to SELECT the entire row of interest and use that data to formulate an entirely new row with the new entry, then UPDATE the whole row. I have to believe that Oracle can perform one or bith of these methods. To administer the DB as a big array, you need to use an auto-incremented primary key column. For example create a column called dataID and set it to be the primary key for the table. Then every time a new row is added it automatiaclly gets a row index, starting from 0 and going up. Looking at what you have described for a table, it seems similar to the data warehousing that I do. When I perform a test I create two tables. One is for metadata that contains single point info about the test. Such as testDate, testTIME, UUT_ID, ProjectPhase, testOPERATOR. Then there is a data table containing the thousands of data points generated duriong the test. Every row of data in both tables receives the same testID for that test. The metatdata table has one row created with a testID created automatically and incremented automatically. Every row of the data table gets the same testID (as the metadata entry) and each row gets a unique dataID that is auto-incremented. You can query the metadata to find tests with similarities that you want to examine. Like, what is the testID of the tests where temperature was maintained at 150degreeC? Then you retrieve from the data table for anaylsis using those testIDs. You would have 2 arrays in the DB the row and column coordinates of which would be metatdata:(testID,column_name), and data:(dataID,column_name). Whenever I write about DB stuff I wonder if it really makes sense in the end. Good luck, Mike Ross -Original Message- From: Scott Serlin [mailto:[EMAIL PROTECTED] Sent: Friday, January 09, 2004 2:50 PM To: info-labview Subject: FW: Oracle database question Can anyone tell me if it is possible to treat an Oracle database like a giant array? More to the point, do I have to always write a complete record (or row) of data into a table or is there a way to place a piece of data into one single column within the row and come back later and place a different piece of data in the same row but different column? Example: I wrote the first piece of data like this: Table testtime testdate dut serialnum productline 12:00 Later on I wanted to add another data point in the same row but different column while still maintaining the data previously entered: Table testtime testdate dut serialnum productline Can I do this? Is it allowed in Oracle? 12:00 100100 Once the row is complete, I would move onto the next row. Table testtime testdate dut serialnum productline 12:00 010603 1100100 widget 1:00 010603 2100101 widget
Getting menu items without clicking
Sam Behashtei [EMAIL PROTECTED] on Thu, 8 Jan 2004 14:48:14 Is there any way you can get the menu (tags or names) as you move the mouse(selection) though the menu. I want to get the menu tags while I am moving the mouse over the menu names without clicking. Sam, Using LabVIEW munu functions, you can get all menu tags. All you've to do is figure out which tag. You can always capture the popup-menu window, and verify if it's class is LabVIEW menu class. And then the window title will tell you it's File, Edit, etc... You can also get the window height, and cursor position relative to that menu window. Do a little math, you should be able to figure out which tag is under the cursor. George Zou http://gtoolbox.yeah.net _ Find out everything you need to know about Las Vegas here for that getaway. http://special.msn.com/msnbc/vivalasvegas.armx
Re: Levenberg Marquardt is not working....
If you wire an indicator to the Error Output node of the L-M vi does anything come up? This can be pretty useful in diagnosing the issue YES.. this is the erro no. -23033. HELP..
RE: Oracle database question
Hi Scott:
It depends, mainly on your datatype definitions, Oracle has a very
solid Time/Date type definition, if you want to update or insert into a
table where all datatypes are of the same kind ( varchar2) for instance it
will be pretty easy to do insertions.
But if you are very concerned about making queries where the time is very
important to analyze your results (which happens in most cases), then you
have to define your time column as date datatype, and then is when you have
to be carefull.
Whenever you have to write to a date field you have to use the date time
conversion function in order that the information is stored in the way you
really wanted.
The sintaxis for this functions is normally not very friendly depending upon
how you write your data, but a way to overcome this very easily is to use
the SYSDATE keyword.
SYSDATE will store the current time in the appropriate format in your
database, you must realize it is the date at the time of the insert
statement and not at the time when you Acquired your data, but for most
systems (like mine here) this is good enough.
It used to be an excellent reference page in the internet for Oracle, it was
on Princeton University website, but it has been lock out since like 5
months ago, so you have to rely on Oracle's help system for you sintaxis
definition.
--
Second, please read the SQL tutorial at w3schools, whenever you generate a
record for the first time using INSERT, the second time you want to add
data you have to use an UPDATE statement
Based on the information you have below, you may have to generate the new
row using an INSERT command
INSERT INTO TableName(testime) values('12:00');
Then add the remaining data with UPDATE statements
Like :
UPDATE TableName SET testdate='01-13-2004' where ID=whatever your ID is;.
And so on.
, OR
you may want to do all at once
INSERT INTO TableName(testime,serialnum,productline)
values('12:00','0010001','widget');
This is the same regardless you are using MySQL or Oracle.
Thanks
Diego
-Original Message-
From: Scott Serlin [mailto:[EMAIL PROTECTED]
Sent: Friday, January 09, 2004 2:51 PM
To: [EMAIL PROTECTED]
Subject: FW: Oracle database question
Can anyone tell me if it is possible to treat an Oracle database like a
giant array? More to the point, do I have to always write a complete record
(or row) of data into a table or is there way to place a piece of data into
one single column within the row and come back later and place a different
piece of data in the same row but different column?
Example:
I wrote the first piece of data like this:
Table
testtime testdate dut serialnum productline
12:00
Later on I wanted to add another data point in the same row but different
column while still maintaining the data previously entered:
Table
testtime testdate dut serialnum productline Can I do this? Is it
allowed in Oracle?
12:00 100100
Once the row is complete, I would move onto the next row.
Table
testtime testdate dut serialnum productline
12:00 010603 1100100 widget
1:00010603 2100101 widget
2D String Array to Graph
I get from a database select a 2d string array. The first element is a timestamp (datetime in mssql) like mm.dd. hh:mm:ss. The second value is an integer value as a string. I whant to select all entries from one day and the values should be displayed in a graph. The datetime should be shown as time on x-axis and the value sould be shown as amplitude. has anybody allready did such a vi or could give me a link or a suggestion. thanx, Max
Including Prototype Information in a LabView 7 created DLL
How do you create a DLL from a LabView 7 vi that has the function parameter prototype information included. I'm calling the DLL from TestStand and have written other DLL's using LabWindows/CVI that have this info along with linking in the help file.
Re: Database Variant To Data
DD wrote: I was refering to Database Variant to Data. Have you checked the examples and recommendations for data conversion in the hardcopy manual? I am now using an other subvi. I use DB Tools Execute Query where i can enter a select string and then the Fetch Table vi to get a 2D-Array data stream. I can directly connect it to a table.
ScrollBar
Hi, I have a subVI(X) that takes in inputs from the user in a particular order. I have buttons and controls hidden which become visible as and when the user has to enter the data. As this happens, certain buttons that appear are beyond the window size and user needs to press the scroll bar as he proceeds with the experiment. Is there any way I could automate the movement of the scroll bar if the hidden buttons that appear on the screen go beyond range? Also assume the buttons appear in order and are: Start--Init--Config--..(Say Window ends here ,scrollbar to be used)--..--.-- End The next time if the MainVI calls this subVI(X), the window opens at location where the button End is. Actually button End is invisible at the start of experiment and the only button visible is Start. So at this point, I have to scroll up and go to the Start button. Is there a way I can open a subVI FP, at particular coordinates or something similar to that such that it always shows Start and does an automatic scrolling? Thank you Shankar Shankar K. Subramanian TSS ESG Northboro RD Center Saint-Gobain
Newbie: Communicator and IBIC
Hi All, I am a newbie as far as Labview is concerned. I am beginning a distance learning course in Systems Testing and I am required to get up to speed with Communicator, IBIC and Labview or LabWindows/CVI. Can anyone tell me if Communicator and IBIC are available in the latest evaluation versions of Labview or LabWindows/CVI? Thanks in advance. Best Regards, Nick Tipping --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.515 / Virus Database: 313 - Release Date: 01/09/03
RE: ScrollBar
Are all of the buttons ever visible at one time? Could you stack the buttons and only have the one you need visible so scrolling isn't necessary? Kelly Bersch Senior Technician Anadigm Telephone:480-344-5262 Email: [EMAIL PROTECTED] http://www.Anadigm.com Anadigm - The Programmable Analog Company -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Subramanian, Shankar, K Sent: Monday, 12 January, 2004 10:26 AM To: '[EMAIL PROTECTED]' Subject: ScrollBar Hi, I have a subVI(X) that takes in inputs from the user in a particular order. I have buttons and controls hidden which become visible as and when the user has to enter the data. As this happens, certain buttons that appear are beyond the window size and user needs to press the scroll bar as he proceeds with the experiment. Is there any way I could automate the movement of the scroll bar if the hidden buttons that appear on the screen go beyond range? Also assume the buttons appear in order and are: Start--Init--Config--..(Say Window ends here ,scrollbar to be used)--..--.-- End The next time if the MainVI calls this subVI(X), the window opens at location where the button End is. Actually button End is invisible at the start of experiment and the only button visible is Start. So at this point, I have to scroll up and go to the Start button. Is there a way I can open a subVI FP, at particular coordinates or something similar to that such that it always shows Start and does an automatic scrolling? Thank you Shankar Shankar K. Subramanian TSS ESG Northboro RD Center Saint-Gobain
Multicolumn Listbox COM object?
For my multicolumn listbox in LabVIEW 6.1 I would like to be able to define datatypes for each column and to programmatically show/hide columns. However, we all know that this is not possible. Does anyone know of an AcitveX COM object that I can download ?
Re: Bug in Unflatten from String (LV7)
Actually, this is a problem in LV6.0 depending on exactly what change in datatype occurred. If a numeric ends up in the position where a size of array used to be, we'll try to allocate an array that big, which could be huge, resulting in an out-of-memory problem. I would suggest that this works up through LV6.01 because the data modifications that you were doing were always detectable as corruption, and never lead to a valid interpretation with a really huge size. Bits may have shifted in LV7.0 and so now your data has a valid interpretation. The only workaround I know is to include a version (your version, not LV's version) number in your flattened data. I'm not privvy to the modifications being done in LV7.1 for this sort of thing, but it would surprise me that a fix is coming since I don't know logically of any way to fix it. But maybe someone smarter than me has an idea. Pojundery, Stephen R. Mercer -= LabVIEW RD =- |-+ | | Albert_Zeitlmeir@| | | manbw.de | | | Sent by: | | | [EMAIL PROTECTED]| | | a.army.mil | | || | || | | 01/12/2004 09:04 | | | AM | | || |-+ --| | | | To: Info-LabVIEW Mailing List [EMAIL PROTECTED] | | cc: | | Subject: Bug in Unflatten from String (LV7) | --| Hello Wireworkers, when unflatting certain binary datas with Unflatten fromString (LV7) I get an error msg window Nicht genügend Speicher zum Abschließen dieser Operation (* not enough memory to close this operation). The error-output of the vi is incorrect. Does anybody know a workaround of that bug? I have binary files with different versions of a certain datatype. When loading a file, I try to unflatten the data using the newest dataversion. If I get an error, I try the 2nd newest dataversion and so on until I found the right datatype. This methode was ok up to LV6.01. In LV7.0 the bug appears when I try to unflatten to the wrong datatype. My datatype is an array of clusters of strings and numbers. NI knows the bug but has no patch or workaround. NI-service told me, to wait for LV7.1, maybe mid of 2004, --- very ´good´ service. This bug is a fatal problem for me, I cannot read many of my old measuring datas under LV7.0. If I dont find an solution, the consequence will be, I throw out LV7 and go back to LV6.01. Thanks, Albert Zeitlmeir ** Legal Disclaimer MAN BW Diesel AG ** This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager ( [EMAIL PROTECTED] ). No warranty is given that this correspondence or attachment is free from any virus. In keeping with good computer practice, you should ensure that any information received is actually virus free. Email messages may be subject to delays, non-delivery and unauthorised alterations. Information expressed in this message is not given or endorsed by MAN BW Diesel Aktiengesellschaft unless otherwise notified by our duly authorised representative independent of this message. ** Legal Disclaimer http://www.manbw.com **
Re: How do I setup Labview 7 to use Starteam as the CM-tool (SCC-provider) for Source Control.
I do not believe you will be successful. The SCC in LabVIEW was specifically created to work with certain products--built in scc, perforce, etc. You will probably have to use the Starteam interface to check the files in and out.
Re: acquiring phase diff. btwn 2 channels of HP54201D digi oscilloscope
I asked my scope expert. His advice was: 1) measure the period of the signal T1 2) Measure the time between the rising edges of the two signals T2 3) calculate the phase in degrees as (T2/T1) * 360 He was not certain whether or not these were automatic measurements on the 54201. But many Agilent scopes do have a way to acquire signals on channel 12, find the period of channel 1, and find the rising edges of channel 1 and channel 2 and obtain the difference. (You just have to calculate the phase yourself from the time information.) [EMAIL PROTECTED]
Problems using LabVIEW-built dlls in LabVIEW
I have built a set of LabVIEW VIs to a DLL. Some of these VIs call some of my own LV subroutines, e.g. read_ini. When I call the DLL functions from a higher level LabVIEW program, which also uses these subroutines, e.g. read_ini, I get some problems. The DLL functions obviously don't find the subroutines. Is this a problem of the same namespace? Is there any workaround? I have the same effect calling some functions from the LabVIEW library. Thanx in advance, Michael
RE: Oracle database question
Thanks everyone for the database help. I will work with everyone's suggestions. -Original Message- From: Scott Serlin [mailto:[EMAIL PROTECTED] Sent: Friday, January 09, 2004 2:50 PM To: info-labview Subject: FW: Oracle database question Can anyone tell me if it is possible to treat an Oracle database like a giant array? More to the point, do I have to always write a complete record (or row) of data into a table or is there a way to place a piece of data into one single column within the row and come back later and place a different piece of data in the same row but different column? Example: I wrote the first piece of data like this: Table testtime testdate dut serialnum productline 12:00 Later on I wanted to add another data point in the same row but different column while still maintaining the data previously entered: Table testtime testdate dut serialnum productline Can I do this? Is it allowed in Oracle? 12:00 100100 Once the row is complete, I would move onto the next row. Table testtime testdate dut serialnum productline 12:00 010603 1100100 widget 1:00 010603 2100101 widget
Re: I have Time problem when I launch VI configured on PC computer (P 2.6 GHz), on MacOS (500 MHz).
Generally I have found that a Mass Compile solves that problem. A similar situation happened here when moving a .vi from LV 6.1 to LV 7. It was taking 30 seconds to write to a digital line. RL
Re: Changed PLC from Allenn Bradley SLC 500 on Ethernet to ControlLogix on Ethernet
As I understand your question, you were using RSLinx to control your Allen Bradley SLC 500 but you are now using the ControlLogix on ethernet instead. You are using LabVIEW DSC for your application development. The first thing you will need to do is configure RSLinx for the ControlLogix device. The following a href=http://zone.ni.com/devzone/conceptd.nsf/webmain/4c4ad8aea73ed2e586256a32007292fd?OpenDocument;link/a describes how to configure RSLinx. Once it is configured, you can launch Server Explorer, as described in the tutorial, to check the OPC connections. I hope this helps. If you have further questions, please post a reply. Regards, Kristi Hummel Applications Engineer National Instruments
State machines and passing references
Can anyone tell me if it is possible to pass a connection reference throughout a state machine? So far I have not had any luck.
RE: State machines and passing references
Hi Michael, Let me try it. I've been trying to right-click the case statement and not the while loop. This appears to be an oops on my part. Thanks again. Scott -Original Message- From: Michael Aivaliotis [mailto:[EMAIL PROTECTED] Sent: Monday, January 12, 2004 2:14 PM To: Scott Serlin Cc: info-labview Subject: RE: State machines and passing references Should be no problem. I assume you mean through a shift register, no? Michael Aivaliotis Can anyone tell me if it is possible to pass a connection reference throughout a state machine? So far I have not had any luck.
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RE: ScrollBar
Thanks for your reply. I think I will stack them avoiding the scrollbar as I would not need all the buttons to be visible. But just curious to know, is there any way of automating scrollbar depending on the window? Thanks Shankar Shankar K. Subramanian TSS ESG Northboro RD Center Saint-Gobain -Original Message- From: Kelly Bersch [mailto:[EMAIL PROTECTED] Sent: Monday, January 12, 2004 12:44 PM To: [EMAIL PROTECTED] Subject: RE: ScrollBar Are all of the buttons ever visible at one time? Could you stack the buttons and only have the one you need visible so scrolling isn't necessary? Kelly Bersch Senior Technician Anadigm Telephone:480-344-5262 Email: [EMAIL PROTECTED] http://www.Anadigm.com Anadigm - The Programmable Analog Company -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Subramanian, Shankar, K Sent: Monday, 12 January, 2004 10:26 AM To: '[EMAIL PROTECTED]' Subject: ScrollBar Hi, I have a subVI(X) that takes in inputs from the user in a particular order. I have buttons and controls hidden which become visible as and when the user has to enter the data. As this happens, certain buttons that appear are beyond the window size and user needs to press the scroll bar as he proceeds with the experiment. Is there any way I could automate the movement of the scroll bar if the hidden buttons that appear on the screen go beyond range? Also assume the buttons appear in order and are: Start--Init--Config--..(Say Window ends here ,scrollbar to be used)--..--.-- End The next time if the MainVI calls this subVI(X), the window opens at location where the button End is. Actually button End is invisible at the start of experiment and the only button visible is Start. So at this point, I have to scroll up and go to the Start button. Is there a way I can open a subVI FP, at particular coordinates or something similar to that such that it always shows Start and does an automatic scrolling? Thank you Shankar Shankar K. Subramanian TSS ESG Northboro RD Center Saint-Gobain
Why is my GPIB interface dead after installing LabView 6.1 when upgrading from LabView 6.0.2
We installed LV6.1 on our Win2000 machine. GPIB interface no longer works. We had been using LV6.0.2.
RE: ScrollBar
It looks like you can use a property node for the VI and select the property Front Panel Window:Origin. I haven't tried this but you should be able to make the panel scroll by changing the values in the cluster. Kelly Bersch Senior Technician Anadigm Telephone:480-344-5262 Email: [EMAIL PROTECTED] http://www.Anadigm.com Anadigm - The Programmable Analog Company -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Subramanian, Shankar, K Sent: Monday, 12 January, 2004 14:02 PM To: '[EMAIL PROTECTED]' Cc: '[EMAIL PROTECTED]' Subject: RE: ScrollBar Thanks for your reply. I think I will stack them avoiding the scrollbar as I would not need all the buttons to be visible. But just curious to know, is there any way of automating scrollbar depending on the window? Thanks Shankar Shankar K. Subramanian TSS ESG Northboro RD Center Saint-Gobain
Re: Serveral questions about Labview programming
Hi, Mads, Thank you very very much for your answer. It is very helpful. By your direction, I completed some functions that I need to do. But for other functions, I tried, but didn't finish it. Can you or other person give me any suggestion or example program in Labview 6i? I hope to a button having the following functions: when I click it, the words (letters) on it can become bold, and when I click it again, the words (letters) on it can be changed to be not bold; When some values are higher than a certain value, the color of the button can flash between red and the current color; when some values are lower than a certain value, the color of the button can flash between blue and the current value. I tried the answer from Mads, but I didn't succeed in it; When I click the button, I hope to pop up a window and I can choose one of several optional items on the window to set some property. I try Mads' idea, and the way just can pop up a window to display some information. Moreover, if I separate the panel into 3 parts by using 2 mark lines and hope to paint 3 different colors on the panel, every window having one color. How can I do that? Thanks a lot.
Less than 0.5 millisecond delay
E. You can use a math function to create a small delay. Although not reliable, doing some math (especially division) uses CPU cycles. (Sometimes wiggling the heck out of the mouse will slow Windows down too! ;-) Jack Hamilton Hamilton Design [EMAIL PROTECTED] www.Labuseful.com 714-839-6375 Office
Making buttons visible
You can also move the control or indicator off the screen and move is back programmatically. This works quite well with no visual artifacts. I used this technique years ago before there was no tab control to make control panels appear and disappear. Stacking controls and making them invisible can be problematic and can cause event triggering problems if they are stacked. Jack Hamilton Hamilton Design [EMAIL PROTECTED] www.Labuseful.com 714-839-6375 Office
