Downloading Multisim

I'm having trouble starting the multisim program that I recently purchased. It will download, but the setup commands located inside the program give me various error messages. One is a non-compatible error and the other is a fatal error.
I need some help with this because I'm using it for my electronic classes at school.
Thanks,
Tom Gabriel

Hi Tom,
Could you please tell me which version of Multisim you are using and your system information?
Regards,
Chen_T
National Instruments

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Open and close multisim contact with LabVIEW

Can I open and close multisim contact with labview and read the receptor estatus (p.e. lamp)?
Thanks.
Attachments:
Dibujo.JPG ‏13 KB

Hi Guddan,
I created a RFC having a query which is taking a long time to execute. So i want to close RFC connection with portals which is via java connector(JCO) before that query and open the connction again after that query.
I guess i will need to understand your requirement a little more in detail, as i understand you have an RFC which has a query within to fetch some data and is taking a long time to do so. In the meantime you don't want to keep the connection open?
My question would be, Is the role of this RFC to only execute the query and fetch the data or does it do something else?
If it does other things and these are independent of the query execution, then you can span a parallel call within the RFC to execute the query and in the meantime the RFC does the other things (or vice versa) hence reducing the overall time taken.
If the sole purpose of this RFC is to execute the query, then you will not be able(i mean to say there is no simple and direct way of doing this) to close the connection after the Query is started and re-establish the connection after its execution, for a simple reason that - how will you know if the query has completed it's execution, so that you can establish the connection back.
Alternate solutions, make this a two way asynchronous call, 1) You invoke the RFC asynchronously and close the connection, the RFC in turn will execute the query and transfer the data to JCO via another RFC call.
If this needs to be a synchronous call, then you will need to optimize the query to its best.
Regards,
Chen

Is there a way to open a .mst file created in the student edition with MULTISIM 9

When a student builds a file with MultiSIM 9, the circuit is created as a .msm file. When the student goes home to work, they can open a .msm file with a student version, 2001 for example, but any change to the file can only be saved as a .mst file. As soon as the file is saved as a .mst file, we have not found a way to open the file with the educational version of MultiSIM 9. Is there any way to convert these files? This makes it very difficult for a student to work at home for a project between or prior to labs.
Thanks

JKR,
Unfortunately, the ".mst" extension is supposed to be open only by Textbook editions of Multisim. Not even a Power Pro version would be able to open it.
I'm not sure the specifics of your case, but I guess that you open/saved the circuit on your textbook edition and that converted the file extension, is that right?...
Well, as far as I know the textbook editions are meant to be 'demo' type of releases, so is limited in many features. You should be OK with a Student edition though -- which is not the one commonly found in textbooks.
Nestor
National Instruments

Error multisim 10 with windows vista

Hi, I have seen that multisim 10 is not compatible with windows vista, when I installed all is ok, but when I try to run the programs it marks an error, with autoroute.dll (998) or something like that, I know that in this forum is already a similar post, but it has not answer, and it is since 2007. I hope you can help me, thank you

Hello,
Multisim 10.0.1 is compatible with Windows Vista, and this is a free update. Go to the Drivers and Updates page, and select your edition (Student, Educational, Power Pro).
Regards,
Fernando D.
National Instruments

MultiSim 9.0.41. Non-admin users unable to launch program without error messages.

I have installed MultiSim 9.0.41 has been installed on four workstations. The PCs reside within a local domain with ten users. The domain resides within the greater university domain, is technically not configured as a true subdomain, but it has access to university domain resources (such as the license server). We have SSO (remote profiles) functionality enabled.
MultiSim runs with without problems for admin users. We start having issues with nonadmin users. I series of pop-up messages appear when the program is launched:
"The Microsoft Jet database engine can not open the file C:\Program Files\Electronics Workbench\EWB9\database\mscomp_s.prd. It is already opened exclusively by another user, or you need permission to view its data."
"The Microsoft Jet database engine can not open the file C:\Program
Files\Electronics Workbench\EWB9\database\CPCOMP_S.PRJ. It is already
opened exclusively by another user, or you need permission to view its
data."
"Error loading library C:\Program
Files\Electronics Workbench\EWB9\PCBComponentEdit.dll, ('998') Invalid access to memory location."
"The Microsoft Jet database engine can not open the file C:\Program
Files\Electronics Workbench\EWB9\database\mscomp_s.prd. It is already
opened exclusively by another user, or you need permission to view its
data. Error Code:3051"
Solutions attempted (without success):
- Update program (no updates found via update manager or NI site)
- Run program as admin
- Give all users full permissions to program files (major security risk)
- Change "Directory for EWB Shared Components" to public shared drive. Interestingly, MultiSim shows the network drive as unwritable (though it clearly is).
Any ideas? Are there updates that fix this issue? Is this solved by the newest version? What do I need to do differently to ensure that user config files are saved in their roaming profiles vs. locally (note: I have already tried to correct the paths during install and post-install without success).
Thanks!
Message Edited by refriend on 05-22-2008 02:26 PM

Hi Refriend,
The error message indicates Multisim is not able to read/write to the database folder. Please have a look at the following knowledge base article for instructions to correct the database problem.
http://digital.ni.com/public.nsf/allkb/B06773CE511C7E588625720B00502B8E
Multisim 9, you need to setup the permission for the database manually but in version 10, this step is not required. As for saving user config file as part of the roaming profile, this option is not available. Multisim will always look in the locale drive for the config file and if one does not exist it will create one for that user and save it locally.
Tien P.
National Instruments

How can I import data in to the digital word generator in Multisim?

How can I import data in to the digital word generator in Multisim?
I just received this comment from a friend, a RADAR engineer, who has just down loaded Multisim. He has been using HP/Agilent software. He has a work around using a piecewise linear voltage waveform with data imported from Excel but this is not really a good solution. It would also be helpful to import data from Mathcad or equivalent.
"I thought I was about to be impressed with MultiSim but it ended only in disappointment. There is a word generator in the simulation instrument panel which can drive the DAC with a waveform and it can have thousands of lines of values. I opened Excel, wrote the formula to generate the time and voltage points for a chirp, converted to DAC values in Hex and then went back to the word generator in MultiSim to load the values only to find that you have to enter each value manually. It doesn’t even allow you to paste in a list of values from a text file. I’m not going to type 5000 values by hand. If you get the chance to give feedback to National Instruments please ask them if the paste option can be added to the word generator. MultiSim is useful in many regards, but in this case, it left me with the impression that it is considerably limited in capability compared to what I’m used to."

Hi,
You can load your data automatically in the Multisim word generator. Follow these steps:
- Save your data file (in excel .xslx ir .csv format) on your computer
- Change the extension of the file to ".dp"
- Double-click the word generator in Multisim and click on Set...
- In the Settings dialog box, click on Load and then Accept
- This will prompt you to select the .dp file you have on your computer, select it and you're good to go
However, in Multisim you have the option of creating your own custom simulation analysis and instrument.
I will try creating the instrument and send it back to you but it might take some time.
Multisim and LabVIEW are very powerful in test automation, with the custom instruments you create for Multisim you don't need to export your data file into excel from LabVIEW (or MathCAD or other tools) and then reload it into Multisim. The test procedure is automated instead.
Please check this reference design about automated simulation
http://zone.ni.com/devzone/cda/tut/p/id/7825
Here is how you can create your own custom measurement tool in Multisim and LabVIEW, but as I mentioned, I will create the word generator and come back to you anyways
http://zone.ni.com/devzone/cda/tut/p/id/5635
Let me know if you have any questions.
Mahmoud W
National Instruments

Creating a custom component in multisim using *.lib and *.olb files

i have *.lib and *.olb files for a pspice model. which file i have to you while creating a custom component in multisim.

Hello,
Thanks for your question. In order to create simulatable custom components in Multisim you need a SPICE model (Multisim can also understand PSpice Models). The file format for SPICE model can be different according to the manufacturer, for instance: *.cir, *.lib, *.llb. At the end of the day these files are text files that you can open with a text editor, therefore, you can simply copy and paste the model in Multisim.
Here are two good resources on component creation:
Component Creation 101
Creating a Custom Component in NI Multisim
When you reach the step where you need to enter the SPICE model, simply open the *.lib or *.olb file with a text editor, and copy and paste the model.
Hope this helps.
Fernando D.
National Instruments

Get error 998 when starting Multisim 10 on Windows Vista Home Basic PC (Ultiboard too)

Hi,
I´m getting 2 errors when I start Multisim and Ultiboard, which are:
Error loading library C:\Program Files\National Instruments\Circuit Design Suite 10.0\Autoroute.dll, ('998')
The data area passed to a system call is too small.
AND
Error loading library C:\Program Files\National Instruments\Circuit Design Suite 10.0\DDFlink.dll, ('998')
Invalid access to memory location.
and after that it freezes, does anyone know what to do?
I´ve already tried running it as an administrator, and in Windows XP compatability mode...
Thanks for any help,
John

Hi Yetti!
Unfortunately at the moment Multisim 10 is not supported under Windows Vista. There should be a patch very shortly for it. One recommendation i can make is that you uninstall the circuit design and that at reinstalling you dont allow the SSU to install any update. I can't guarantee this will work but it may fix a few things for you.
Best Regards!
Oswald Branford

[Multisim]How to import data files into Multisim?

Hi guys,
In Multisim, we can plot various kinds of graphs, which again can be export to data files like *.csv. I have a csv file, which contains data in X and Y axes. How can I import this data file into Multisim, and make it displayed in a graph?
Thanks in advance.

Hi,
The Piecewise linear source (PWL) accepts data as voltage or current vs. time. You can find this part by selecting Place>>Component, go to the "Sources" group then select "Signal voltage sources". Place this part on the work area, double-click on it and there should be an option to open a .txt file.
Tien P.
National Instruments

How Do I Get the Use the New Schematic Capture in NI Multisim 11.0?

Hello Multisim Users!
If you have begun the transition to NI Multisim 11.0, I wanted to provide you with some resources that will definitely help in understanding the benefits of these new features, as well as how (and when) to use them.
The new schematic capture net system in NI Multisim provides a number of benefits to the user. Most notably engineers, can now take advantage of an up-to-date and intuitive circuit design environment. As a part of the complete re-architecture to our schematic capture environment in Multisim 11, users can now place a host of different connectors to symbolize the virtual connections in their designs.
Check out to use these new connectors with this brand new DevZone article (with embedded video): http://zone.ni.com/devzone/cda/tut/p/id/11219
Also available for those transitioning to NI Multisim 11.0, we have created a special FAQ (or KnowledgeBase article) which will demonstrate exactly what to expect from this experience: http://digital.ni.com/public.nsf/allkb/AD965CF4EA0F0FD2862576F5006BCB60
Thanks Greatly! We look forward to hearing your feedback on these new tools.
Best Regards,
Bhavesh Mistry
Product Manager
National Instruments

Hi everyone,
Fernando (aka Fernando_D) fixed this yesterday. Thank you for bringing this into our attention. I hope this works for everyone now!
Have a great weekend!
Yi
Software Developer
National Instruments - Electronics Workbench Group

Unable to get a crystal working in multisim

Can annyone help me.
I trying to make the circuit (Crystaloscillator) work from http://www.circuitsonline.net/circuits/view/37 in multisim.
The crystal does not oscillate and the exit shows no freq.
I think it has to be in the setting from multisim 9 but i am not sure.
thx Ed.

Found the Problem!!! Under the Simulate Tab. Click on Default Instrument Settings. Under the Intial Setting Title there is drop down box.. Click the little arrow beside it to expand the box. Find where it says "Set to Zero" and click it. Then hit the Accept button at the bottom. This should cure the problem.
I was playing around this morning with this circuit, and was trying various ways to recreate your malfunction with it. This is what I found. Unless the intiial condition are "Set to Zero" it does not work, period. I guess I didn't see this before, because I always set up my simulations with intial condition "set to zero". I find most circuits work better (at least for me) with this option turned on.
Kittmaster's Component Database
http://ni.kittmaster.com
Have a Nice Day

How can I change the name of a Sub Circuit in Multisim

How can I change the name of a sub-circuit in MultiSim?
For example:
I have a sub-circuit named "Output Channel 1" and its RefDes is SC1. How do I change its name to 'Input Channel 1'?

Hi,
If what you want to change is the RefDes you can do it by right-clicking the sub-circuit and selecting properties. If what you want to change is the name, you can right-click the sub-circuit in the Design Toolbox.

Using the NI6551 Instrument in Multisim

I would like to use the Digital Waveform Generator. I have Student Version 11.0. I followed the below instructions.
Close NI Multisim if open.
Open the attached 5926_waveform_gen.zip file.
Select My Computer.
Browse to C:\Program Files\National Instruments\Circuit Design Suite 10.1\lvinstruments.
Save the NI655XGenerator.llb file from the zip file to this folder.
I don't have the same toolbar listed in this doc..
http://zone.ni.com/devzone/cda/epd/p/id/5926#toc1
Is this because I have the student versions of Multisim and Labview or am I just being obtuse?
Thanks for your help!

Hi,
If you click on the LabVIEW symbol on the toolbar in the right, you will see the LabVIEW instruments. Take a look at attached screen shot.
Regards,
Tayyab R,
National Instruments.
Attachments:
LabVIEW Instruments Toolbar.JPG ‏218 KB

Need help in multisim 11? I want to get the transient response of RL circuit....

Need help in multisim 11?
I want to get the transient response of RL circuit....i can get the increasing exponential graph in multisim 7 during simulation.....but i am getting a decreasing exponential curve(i.e,decay response) in multisim 11 when i do the same procedure as i did in multisim 7.....how can i get the initial or growth transient response for RL circuit in multisim 11 so that i can get increasing exponential curve....which satisfies time constant = L/R

Hello,
The process is the same for any circuit (in this case it is an RC circuit which you sent me). You can find the response on the voltage (which I think it's what you're looking for) at any point of the circuit, as well as any parameter really (R,V,I,L..etc).
Please refer to the image attached (an analysis on the voltage at an inductor and the wires connected to it).
The way to set it up (once you're in the transient analysis set up) is, select the Output tab, under Variables in circuit, you can select which parameters to take. V(1) and V(2) refer to the voltage in the circuit at Net 1/2 (or wire 1/2).
This differs from the voltage change within the capacitor/inductor/resistor. If you would like to see the voltage change of an inductor/capacitor/resistor/etc, you can select under the More options box, the button Add device/model parameter, which will take you to a window to select the device type, its name (in the circuit) and the parameter which you wish to analyse. Once you click on Simulate, you can select Cursor >> Show Cursors, to view information for y and x axis (like rise time, decay time, voltage difference...etc)
Hope this helps,
Miguel V
National Instruments
Attachments:
untitled.jpg ‏178 KB

Problem in Multisim with transient analysis and initial conditions

Hello everyone,
I have a problem in multisim with transient analysis and initial conditions.
If I do transient analysis with automatically determined initial conditions the circuits works.
If I do transient analysis with user-defined initial conditions the circuits works in cases.
--Working with user-defined---
*## Multisim Component V2 ##*
vV2 3 0 pwl(0 0 0.001 0 {0.001+1e-008} 3 {0.001+1e-008+1} 3)
*## Multisim Component R1 ##*
rR1 3 0 10000 vresR1
.model vresR1 r( )
--Working with user-defined----------
*## Multisim Component V2 ##*
vV2 1 0 pwl(0 0 0.001 0 {0.001+1e-008} 3 {0.001+1e-008+1} 3)
*## Multisim Component U1 ##*
xU1 1 0 MEMRISTOR__MEMS__1__1
--Not Working with user-defined-------
*## Multisim Component V2 ##*
vV2 3 0 pwl(0 0 0.001 0 {0.001+1e-008} 3 {0.001+1e-008+1} -3)
*## Multisim Component R1 ##*
rR1 3 1 10000 vresR1
.model vresR1 r( )
*## Multisim Component U1 ##*
xU1 1 0 MEMRISTOR__MEMS__1__1
The costum component includes something like that:
.subckt MEMRISTOR__MEMS__1__1 plus minus PARAMS:
*Parameters values
+rmin=100 rmax=390 rinit=390 alpha=1E3 beta=0 gamma=0.1 VtR=1.5 VtL=-1.5 yo=0.0001
+m=82 fo=310 Lo=5
blah blah ...
.ends Memristor
Namely, if I combine the resistor and my custom component in one circuit, transient analysis with user defined initial conditions gives an error (timestep too small).

Hi Nik,
If possible, please post the Multisim file. This way, I can get access to all your settings.
Tien P.
National Instruments

Downloadin​g Multisim

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Downloading Multisim