Parallelism test

Similar Questions

• How to connect the parallel test using the logarithmic function Teststand database result

  Hello

  How can I connect a test result of 4 EHR tested in parallel using the logarithmic function Teststand database

  I use Labview 2013, 2013 Teststand and sequential model.

  The test is performed using a single digital card (SMU-6556). The FSD 4 is connected to the port of the digital map and is tested in parallel.

  Currently at the end of the test, I would have a report with all the measures, but I need 4 reports (1 report / dut)

  TKS

  
  

• Parallel, tests using screw back with Funtional Globals

  I believe that to run a vi simultaneously in teststand, you make it reentrant.

  My problem is that one of my global screw a functional uses and I don't want to effect the other screw ran for the other test shots.

  What is the best way to manage funtional globals in a model of parallel process or batch?

  Also is there a way to have Teststand manages whether or not the reentrant VI?

  Greetings,

  The difficulty here is that essentially looking for a way to limit the scope of a global variable. What happens if you have converted your functional global variable to a single value in a table? You could then index based on what criterion of instance you are working. Essentially you always talk to the same global variable, but you would have uniqueness in the table index. How does that sound?

• Generation of signals to the NI PXI-6713, on different channels

  Dear community LabVIEW,

  anyone could help me please, I beg you, by the following. I want to generate sine wave using NI PXI-6713, with the same frequency of sampling, but in different times. Let's, first of all, I need to launch the generation on channel 0 and after a few seconds - start generating on channel 1, continuing to generation on channel 0 (the reason - parallel test several EHR, so steps generation EHR may occur at different time). Is this possible?

  I tried to create several task for each channel and launch the generation for each channel separately, but I got the error message "-50103: the specified resource is reserved." The operation could not be performed as indicated. ».

  This means, that I can't start build on different channels at different times, and I need just to create a task for the channels, on which the signal will be generated and start production at the same time?

  Thank you very much in advance!

  Because the device has a clock convert, you must use a single task to more than one channel.

• Tablespace clone on the same database

  First of all, let me start by telling you that I am a noob when it comes to the Oracle.
  
  Secondly, I did probably 1-2 hours of research every week for the past four weeks on Google trying to find an answer to this. Read all documentation of Oracle and many other forums, I haven't found an answer.
  
  I am currently using Oracle Database 10 g on Windows in a development environment. I have several spaces storage implemented in this case, each with its own copy/version of an application that I test that points to it.
  
  We publish new versions of this app that I need to test on. So we are currently on version 6.5. I need to make a copy of the tablespace 6.5 and copy it to a 6.6 new tablespace, while leaving the tablespace 6.5 intact and available, giving me a PARALLEL test environment on the same box.
  
  In all my reading, I saw not an easy way to do it, unless I'm not very well understand the articles. Everything I read only talks about transporting tablespaces between db, but not actually leaving them on the same PB. Whatever this either on cloning amounts to the same thing. I could do an export import, but then I have to do a lot of manual steps to re-create indexes, etc.
  
  Does anyone have a solution or a link to this? I am uncomfortable using SQL Developer and database management tools based on the web of the Oracle.
  
  Not in a huge rush, because I have a work around for export/import tables, but I would like to know how to do this using the Oracle tools.

  Okay, first of all, it looks like you want to clone a pattern, not a tablespace. A tablespace is just a collection of data files - it is not a namespace for objects. A schema is a collection of paintings (this is the closest thing to a SQL Server database). So, no doubt, you need a schema where there is a version 6.5 of all objects and a second scheme when there is a version 6.6 of all objects. Objects might share a tablespace with happiness, each schema could have its own tablespace, or you might have a bunch of tablespaces where tables used in these two schemas exist.

  By using the export and import utilities (preferably versions DataPump if you have a volume of data to process) is the right way to clone a schema. If you use traditional export and commercial import, you would use the FROMUSER and TOUSER options to change the schema. If you use the DataPump versions, you must use the REMAP_SCHEMA option.

  I don't know why you would need to do the manual steps after export and import. Index must be included assuming that you perform a level included schema export and assuming you're not explicitly excluding them by specifying INDEXES = N

  Justin

  Published by: Justin cave on July 19, 2011 14:35

  Now, just as a point of mental health, with multiple schemas for the same application in a single Oracle database for test purposes is generally frowned upon. There is much more that is shared between multiple schemas in an Oracle database between multiple databases in a SQL Server System. It can be done (assuming that the application does not public synonyms), but it is relatively easy for failures in one application affect the other application.

• Test of parallelism by using batch processing model

  Hello!

  I am relatively new to TestStand and have a question that seems to have an easy solution, but I can't understand (looked like the examples, forums, etc.)

  We use the model batch (minor modifications for reporting) but all run sequentially and have the template option set to 1 socket. I have 2 tested EHR sharing a room of temporary and 2 4145 s PXI (one for each DUT, using 1 channel as the power supply and the other three channels for the measures). I manage all the instrument in a reminder of ProcessSetup initializationg and jump into the MainSequence once the test is done I'm going in the ProcessCleanup recall and to close all references (we use digital recorders for instruments).

  I want set the template option to have 2 Sockets. So if I put the VI call that sets the temperature at will TestStand "A thread only" two starting sequences and one of them would set the temp and the other would ignore but spend once executed step.  Is there a way to tell TestStand "for USE 0, use SMU1 and USE 1 use SMU2" and go to the next temperature?

  It's a weird situation because all the examples I could find have the problem "more DUT with Instruments" so in my case, it's a problem well have .

  Thanks in advance!

  You can use the expression RunState.TestSocket.Count 0 based.  Use this value to create your EMS chain.

  Pulido Technologies LLC

• I am looking for use multithreading to run several tests in parallel on a single object to measure.

  I wait with multithreaded several tests in additional on an object to measure.  I looked in the main site and all the examples are in zip files which seems to me not being able to download successfully on the site.  Is someone there examples of files or whitepapers on the subject that I can consult?

  put a test in a sequence of void.  Then call this subsequence using New Thread as execution Options:

  

• Before I float test this thing, all hope for my kernel_task fly?

  I'm at my wit's end. I asked this question before but I had a temporary improvement, but those days are gone.

  I ended up having my machine to grind to a halt when I have any kind of video running, either with EyeTV VLC with kernel_task showing 500 + % CPU utilization (on a side note, someone could explain to me how it works?). Therefore, the video starts stuttering and gets very bad. He made sure that I can't really watch anything on this machine and I'm ready to throw it into the Hudson River.

  Usually it will work correctly for a period of time, in minutes, hours, but then once it starts to get carried away, he castigated for hours, even when all applications are closed.

  Yet once, I ran EtreCheck while this thing has been stolen, what I have here. I haven't run as administrator then if I need to re - run as admin please let me know.

  I am also including a list of crazy activity monitor process screen Cap.

  Any help is always greatly appreciated!

  EtreCheck version: 2.9.12 (265)

  Report generated 2016-06-07 14:30:36

  Download EtreCheck from https://etrecheck.com

  Duration 12:20

  Performance: Poor

  Click the [Support] links to help with non-Apple products.

  Click [details] for more information on this line.

  Problem: Computer is too slow

  Hardware Information: ⓘ

  MacBook Pro (retina, 15 inches, beginning 2013)

  [Data sheet] - [User Guide] - [warranty & Service]

  MacBook Pro - model: MacBookPro10, 1

  1 2.7 GHz Intel Core i7 CPU: 4 strands

  16 GB RAM not extensible

  BANK 0/DIMM0

  OK 8 GB DDR3 1600 MHz

  BANK 1/DIMM0

  OK 8 GB DDR3 1600 MHz

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  Wireless: en0: 802.11 a/b/g/n

  Battery: Health = Normal - Cycle count = 107

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  Graphics Intel HD 4000

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  Software: ⓘ

  OS X El Capitan 10.11.5 (15F34) - since the start time: about 6 days

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  APPLE SSD SD512E Disk0: (500,28 GB) (Solid State - TRIM: Yes)

  EFI (disk0s1) < not mounted >: 210 MB

  Recovery HD (disk0s3) < not mounted > [recovery]: 650 MB

  Macintosh HD of B1 (disc 1) /: 498,54 (Go 56,02 free)

  Encrypted AES - XTS unlocked

  Storage of carrots: disk0s2 498.90 GB Online

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  Apple Inc. FaceTime HD camera (built-in)

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  Apple Inc. BRCM20702 hub.

  Apple Inc. Bluetooth USB host controller.

  VIA Labs, Inc..          Hub 1 TB USB3.0

  VIA Labs, Inc..          Hub 1 TB USB3.0

  VIA Labs, Inc..          Hub 1 TB USB3.0

  JMicron Samsung P3 Portable 1 TB

  EFI (disk2s1) < not mounted >: 210 MB

  Boot OS X (disk2s3) < not mounted >: 134 MB

  Disk backup disk (DIS3) backup / Volumes / of the B1 B1: 999,49 go-go (236,30 free)

  Encrypted AES - XTS unlocked

  Storage of carrots: disk2s2 999.85 Go online

  Reader SuperDrive for MacBook Air Apple Inc..

  VIA Labs, Inc..          USB 2.0 hub

  VIA Labs, Inc..          USB 2.0 hub

  VIA Labs, Inc..          USB 2.0 hub

  Hub keyboard Apple, Inc.

  Apple Inc. Apple Keyboard

  EPSON EPSON scanner

  Hewlett-Packard HP LaserJet 1022

  Elgato EyeTV HD

  Lightning information: ⓘ

  Apple Inc. Thunderbolt_bus.

  Thunderbolt of Apple Inc. to Gigabit Ethernet Adapter

  Guardian: ⓘ

  Mac App Store and identified developers

  Kernel extensions: ⓘ

  / Library/Extensions

  com.Citrix.kext.gusb [no charge] (1.0 - 2016-06-03) [Support]

  / System/Library/Extensions

  com.elgato.driver.DontMatchAfaTech [no charge] (1.1 - 2016-06-03) [Support]

  com.elgato.driver.DontMatchCinergy450 [no charge] (1.1 - 2016-06-03) [Support]

  com.elgato.driver.DontMatchCinergyXS [no charge] (1.1 - 2016-06-03) [Support]

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  com.elgato.driver.DontMatchVoyager [no charge] (1.1 - 2016-06-03) [Support]

  [no charge] tl.uds.netusb.controller (1.0.0d1 - 2016-06-03) [Support]

  Launch system officers: ⓘ

  com.apple.FolderActionsDispatcher.plist [failure]

  [loaded] 8 tasks Apple

  [loading] 146 tasks Apple

  [operation] 81 tasks Apple

  [killed] 2 tasks Apple

  2 killed process lack of RAM

  Launch system demons: ⓘ

  [loaded] 46 tasks Apple

  [loading] 148 tasks Apple

  [operation] 93 tasks Apple

  [killed] 4 tasks Apple

  4 processes killed due to lack of RAM

  Launch officers: ⓘ

  [loading] com.citrix.AuthManager_Mac.plist (2016-01-26) [Support]

  [operation] com.citrix.ReceiverHelper.plist (2016-01-26) [Support]

  [operation] com.citrix.ServiceRecords.plist (2016-01-26) [Support]

  [loading] com.google.keystone.agent.plist (2016-03-01) [Support]

  [operation] org.gpgtools.Libmacgpg.xpc.plist (2015-09-23) [Support]

  [loading] org.gpgtools.gpgmail.enable - bundles.plist (2015-03-08) [Support]

  [loading] org.gpgtools.gpgmail.patch - uuid - user .plist (2015-03-08) [Support]

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  [market] org.gpgtools.macgpg2.shutdown - gpg - agent.plist (2015-03-08) [Support]

  [loading] org.gpgtools.macgpg2.updater.plist (2015-03-08) [Support]

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  [loading] com.adobe.fpsaud.plist (2016-04-05) [Support]

  [loading] com.disconnect.networklistener.plist (2015-05-31) [Support]

  [operation] com.elgato.EyeConnect.plist (2014-02-11) [Support]

  [loading] com.google.keystone.daemon.plist (2016-03-01) [Support]

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  [loading] com.macpaw.CleanMyMac3.Scheduler.plist (04 / 04/2016) [Support]

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  Items in user login: ⓘ

  Quicksilver application (/ Applications/Quicksilver.app)

  iTunesHelper Application (/ Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)

  EyeTV Helper Application (/ Library/Application Support/EyeTV/EyeTV Helper.app)

  ScanSnap Manager Application (/ Applications/ScanSnap/ScanSnap Manager.app)

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  CleanMyMac 3 Menu Application (/ Applications/CleanMyMac 3.app/Contents/MacOS/CleanMyMac 3 Menu.app)

  Other applications: ⓘ

  [ongoing] 2BUA8C4S2C.com.agilebits.onepassword4 - helper

  [ongoing] com.blacktree.Quicksilver.250592

  [ongoing] com.Elgato.EyeTV.48032

  [ongoing] com.Elgato.eyetvhelper.86432

  com.flexibits.fantastical2.Mac.Launcher [loading]

  [ongoing] jp.co.pfu.ScanSnap.V10L10.63072

  [ongoing] org.videolan.VLC.64992

  [loading] 407 tasks Apple

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  Destinations:

  B1 backup disk [Local]

  Total size: 999,49 GB

  Total number of backups: 44

  An older backup: 08/01/16, 22:48

  Last backup: 07/06/16, 13:30

  Backup disk size: too small

  999,49 GB backup size < (disc 442,52 GB X 3)

  Top of page process CPU: ⓘ

  508% kernel_task

  84% EyeTV

  49% Elgato H.264 Decoder

  49% uTorrent

  22% WindowServer

  Top of page process of memory: ⓘ

  3.31 GB com.apple.WebKit.WebContent (12)

  1.43 GB kernel_task

  508 MB softwareupdated

  EyeTV 295 MB

  262 MB Mail

  Virtual memory information: ⓘ

  2.44 GB of free RAM

  2 pm used GB RAM (6,49 GB being cached)

  37 MB used Swap

  Diagnostic information: ⓘ

  Standard users cannot read/Library/Logs/DiagnosticReports.

  Run as an administrator account to view more information.

  The kernel uses excessive CPU cycles. Here are a few possible causes for the State. Some may not apply to you.

  FileVault

  Please, open the security and privacy pane in system preferences and click the FileVault tab. If there is an indication that the encryption or decryption is in progress, wait (possibly several hours) so he can finish and see if there is an improvement.

  Limitation of the

  When he does readings of high temperature in the material, or a MacBook battery low voltage readings, the kernel can try to compensate by interrupting the processor to slow them down and reduce energy consumption. This condition may be due to:

  ☞ an accumulation of dust on the logic board

  High ambient temperature ☞

  ☞ a defective battery or worn in a laptop

  ☞ the malfunction of a cooling fan, temperature probe, a probe or some other component voltage internal

  Note that if the problem is caused by a sensor, there can be no real overheating or undervoltage.

  If the computer is portable, try with and without the power adapter connected. If pigs kernel_task processor only on current alternative, load is causing the machine to heat up. This behavior may be normal for some models, but it can also be an indication of a hardware failure.

  Apple diagnostics or the Apple Hardware Test, although not very reliable, is sometimes able to detect a fault. For more in-depth equipment tests, an appointment 'Genius' on an Apple Store, or go to another authorized service provider.

  If all goes well with the material, then everything that you can do to improve the cooling can help.

  Software installed

  The software installed by the user which includes a device driver or other kernel code can thrash of the kernel. This category includes virtualization, such as Parallels and VMware software, as well as products 'anti-virus' more commercial. Some system monitoring applications, like "iStat", may also contribute to the problem. You can test this possibility to completely disable or remove the software according to the instructions of the developer or start in safe mode. However, it should be noted that the deactivation of a modification of the system without removing or test in safe mode is not as easy as you think.

  If you do not know what software could contribute to the problem, please hold down the option key and select

  Information system...

  in the Apple menu. The system information window opens. Select

  The software extensions ▹

  in the menu on the left. After a delay of a minute or two, a list of all installed kernel extensions should appear in the upper right window.

  In the extensions list, click the results achieved since twice column header to sort by source, with Apple down. At or near the top, you may see a few third-party extensions. Choose an answer and the information on it, including the location, will be displayed in the lower pane right window. What do you see?

  Corrupt NVRAM or MSC data

  Sometimes, the problem is cleared up by resetting NVRAM memory or MSC.

  External display

  Connect an external display to some models of MacBook Pro while the lid is open can cause this problem. If necessary, use the external clamshell modescreen.

  Other devices

  Disconnect devices wired everything except those needed at startup and remove all the expansion cards of third parties (if your model.) If the problem is resolved, reconnecting devices one by one by one until you identify the culprit.

• FIRST HP: Geometry commands Tests

  Hello

  In the application, we function TEST of GEOMETRY. It is a unique but very necessary function. Let me give you an example. I draw the GD rectangle, rectangle (GA, GB, GC). Then, in the geometry view digital and I write is_parallelogram (GD). Then back to the Plot of the geometry window and enter for a vertex to change its dimensions (length and width). Nevertheless, always on the screen I have a rectangle. But on the screen TEST shows strange things. Once the is_parallelogram (GD): 1 then is_parallelogram (GD): 3. even for other geometric figures:
  Rhombus, square, triangle, isosceles triangle.
  Ill work TEST function in the construction of their own this building, where there are forms of a rectangle, square, diamond or different triangles. When we change the dynamic side of these figures we get messages wrong: is_parallelogram, is_ isosceles, equilateral is_.
  I use a lot of GEOMETRY and these false messages on the screen annoyed me. It works great the TEST function for the parallelogram of figures. It shows always, at any time, without any error is_parallelogram (GD): 1. it is similar to is_collinear (). OK, but not perfectly with the command is_parallel and is_perpendicular. It must also be corrected to make it without reservation. I have another question. Is the is_element () command is the mathematical functions only or for different geometric figures and geometric constructions.

  Best regards!

  Johnder

  Hello

  I'm not sure I understand your question exacly (English is not my native language), but I'll try to bring some light it...

  The is_parallelogram function can return the numbers 0, 1, 2, 3 or 4 to indicate: no parallelogram, parallelogram, Rhombus, rectangle and square.

  Go back 0 or 1 that you complain?

  In the application of geometry tests are performed on the values of the coordinates of the object floating points. Unfortunately, this leads to loss of precision which in turn throw off-label test (the value of floating points being the accupressure, the figure is only approximately parallel or rectangle). Perhaps what you are experiencing.

  If this is the case, an easy solution is to change the setting of case epsilon.

  To compare 2 numbers, system of computer algebra (which is the calculation behind the application of geometry engine), subtract them and test if the result is smaller (in absolute value) to epsilon. Change the default 1e-12 1e-10 Epsilon (in CASE settings, page 2: update, Page Down).

  This fix works because, to test if 2 lines are parallel, the CASE will calcualte their relative angle and then compare that angle with 0 (or 90 to perpendicular). Which will make the more lenient number comparison will make the geometry to test also more linient.

  I hope this helps.

  Kind regards

  Cyrille

• Parallel port has stopped working on my A30

  I have an A30 with Win XP pro sp2. Recently disappeared from my DVD player and also my printer has stopped working. I reinstalled DVD Tosh tools and it is now working again, but I am unable to get the parallel port works again. I have it active in the Bios (worm 180.) and also in the control panel. He started to drive me crazy.
  Is there a tool to test the Lpt1 port or someone else has found a solution to this problem?

  Hello

  If does not work reinstall the drivers, I think you should try to recover the entire system. But don't forget to backup your important data. Sorry I can't give you better advice.

  Good bye

• Photosmart HP 6510 cannot print in Parallels for Mac using Windows 7

  Currently, I use the model above the printer with my Macbook (OS x Mountain Lion) and have no problem printing with the Mac.

  The problem is when I'm in (Parallels Desktop 8) mode of the virtual machine and I am trying to print from Windows 7.

  Although it seems to be recognizing the printer it tells me the printer is "offline: 1 document waiting."

  Parallels support pages say that printers should operate automatically.

  Can anyone help?

  Looks a bit like a mixed configuration here, where you are using a Macintosh with Windows loaded on the system. My first question is on the profile that you are working with you have loaded the appropriate drivers on the site for the Windows machine? Here's a link to it:

  http://h10025.www1.HP.com/ewfrf/wc/softwareCategory?cc=us&LC=en&DLC=en&product=5058336

  I would also like to run this diagnostic test too:

  http://support.HP.com/us-en/document/c03286146

  Let me know and I'll do what I can to help!

  Have a great day!

• Need help for reading in parallel on the same interface and writing XNET

  Hello. I need help to configure CAN interface to write and read from the same interface.

  I use NI PXI-8513/2. I use CAN1 as interface.

  My had TO send status messages CAN every 100ms. I have to read in order to return akntoowlege to keep DUT CAN interface happy and not make mistakes.

  So, I want to open Strim Session and readall frames in the loop. At the same time, I need to be able to write in a frame HAD at the time...

  I only need to read one picture at a time too, but since I know the ID, I can pull it from the stream.

  What I'm confusing all is how to put in place the same CAN1 interface to be able to write and read in parallel.

  I think I would get errors that interface is already in use.

  Since I'm new to CAN, I was read and write only when necessary. But, sometimes I was getting errors on my messages. Sometimes I get message, sometimes miss me. But, when I run CAN test criminal as sniffer he sends and written every time. I was told it's because it recognizes all messages.

  I opened to suggestions of how best to implement the interface.

  I guess I can use CAN2 and separator to work around this problem, but I would use an interface if possible.

  Thank you

  Hi Rus,

  The XNET hadrware takes care of most of the low level of detials for you. The reading and writing of the circuits are both connected to the bus at any time. When you write to the hardware it will try to put a frame on the bus at the first opportunity he can. If the frame loses arbitration material re - will attempt to send the frame up is successful. Reception equipment monitor activity on the bus, regardless of what it conveys. The material received will usually throw a framework that was sent by communication equipment, but there is an Echo property pass to circumvent this behavior too.

  Take a look at the example of the expedition: MAY-> NI - XNET-> Sessions-> multiple Sessions Intro-> CAN even exit entry framework Port unique Point.vi. Keep in mind that this example you will need to use a second CAN interface to recognize frames, it transmits. I would recoment against the example CAN output Frame Single Point which would mimic your ECU if you choose a type of cyclic frame running this example.

• How would you do that? 2 case of a test station

  I have a sequecne that works great stand alone, that now we want to add another test power to the system. It is not as easy as it may seem, here are the conditions and what we intend to do. I need to have either 2 instances of the running program or configure the sequence in batch or in parallel, but I'm a little confused on how to do it properly.

  Features of the system:

  • 2 - test fixtures with 24 pieces in each. The sequence works fine now with only one test. I decided not to do a batch with these 24 pieces because I have a single DAQ mx read for all of the object to be measured and there is no need to follow every 24 parts. they're all to fail.
  • The two test devices will use the same DAQmx device for measurements. Compaq DAQ with USB (device 1 is for the test set-up 1 and 2 is for the test set-up 2)
  • They share a DIO Board for some discreet signals.

  My questions:

  1. Socket 1 or 2 Socket may have parts on them separately. A my load 1 operator and not the other and start the test. During the test, they can load up to 2 and start it too. Both must run exercise but share the Compaq DAQ device
  2. How do you run the shared resource (lock during the measurement, semifore?)
  3. Is this possible at all?
  4. Can I run two instances of the same UI? It would be the ulimate. With 2 points of entry and 2 displays for the recall of the UI to write to.

  Thanks for any input you can give me.

  You can have several instances of TestStand running almost any version.

  Here are a few options:

  1. run two user interfaces and usage and asterisk to prefix your lock names (for example "* DAQmxDevice").  This lock will then share in all of engines.  In fact all steps of synchronization may use the * to precede the name of share it across engines.

  2. create a custom with 2 managers running user interface and then 2 sets of views of implementation on the front panel.  When they execute you can somehow indicate the file in sequence (with a UIMessage) whose execution were fired off the coast.  Then, he will know which set of DUT it is testing.  Use of the * tip for your locks.

  3. what you should be making use of the parallel model.  It takes care of everything in your needs right out of the gate.  In other words, the user can run what socket they want from the parallel dialog box.  Use the normal locking mechanisms.  I've attached an example.

  You will get the best performance and control of option 3.  Suffice to say.

• step pane layout custom pressing on Test DUT (F5)

  I noticed, that when executing a sequence on test bench - the steps pane State is different, where some tabs in parallel model are all in one line, while the other workstations have them in several columns/rows.  I'm sure there must be a way to control it, but I don't know how.  See the pictures attached, if what I say is not clear.

  Tried to play with the configuration of the user interface under the sequence Editor Options, but he doesn't do it for me.

  Thanks for the help!

  go to: Configure | Model options | Uncheck 'run of Tile Windows ".

  This is to prevent the executions to appear in separate tiles

  Best regards

  Mathis

• VISA (serial port) commands fail in VI, but working in the VISA test Panel

  Hi, I have an instrument that has a usb connection. When I connect it to a Windows 7 PC, it picks up the driver automatically and presents itself as a "USB Serial Port (COM7) (manufacturer's FTDI).»

  When I opened NI MAX, this feature appears as COM7 (ASRL7::INSTR) under "series and parallel. And when I click on open visa Test Panel and try it "* IDN?" command, it works OK.

  However, the VI (which sends just a command VISA "* IDN?") give me a timeout error (0XBFF0015) or a resource/device absent error (0XBFFF0011). A screenshot of VI is attached.

  No idea why?

  Thank you.

  PS: I went through the process to create the VISA-USB driver, who has another question, but I'm trying to understand why this happens. This device has also a GPIB port and when I use a USB-GPIB adapter, it works very well.

  N ° your first string to write sends a literal backslash and a literal n.  Your watch \n control, but it is in Normal display mode.  Change it to \codes mode and delete the extra backslash it.

  Your second string to write is set correctly for the mode \codes.

  Because the wrong string is written, the timeout error occurs and prevents the VI downstream on this same error running thread.