Loop Problems: data collection being halted by program excecution.
Sorry for the vague subject line, I'm finding it difficult to specify exactly what my problem is, so I'll start with what I want to happen. I'm working in a lab in which we are studying pain. The specifics are not mine to disclose but suffice it to say that based on certain input given by the subject we want to excecute a piece of hardware. The goal is to do this on a second to second basis, so if the subjects input warrants excecution in one second, the hardware will excecute for the next second, and will continue if the requirements continue to be met. I have programs both for recieving subject data, and for excecuting the hardware, the issue is that the conditions are being measured with a while loop, and the hardware is also excecuted with a while loop, so when the conditions are met the hardware activates and data stops being collected. I havnt figured out a way around this and I'm wondering if anyone can help me.
"There will be water if God wills it"
Yeah, if you get the data flow to work right, these will run simultaneously. To get that information across loops, try using Local Variables. They can be memory-heavy if you use too many, but they could help you here.
http://zone.ni.com/reference/en-XX/help/371361H-01/lvhowto/creating_local_variables/
Ravi A.
National Instruments | Applications Engineer
Similar Messages
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I'm doing a scan around a line by sampling data 360 degrees for every value of z(z is the position on the line). So, that mean I have a double for-loop where I collect the data. The problem comes when I try to plot the data. How should I do?
Jonas,
I think what you want is a 3D plot of a cylinder. I have attached an example using a parametric 3D plot.
You will probably want to duplicate the points for the first theta value to close the cylinder. I'm not sure what properties of the graph can be manipulated to make it easier to see.
Bruce
Bruce Ammons
Ammons Engineering
Attachments:
Cylinder_Plot_3D.vi 76 KB -
Should the LabVIEW program be reduced to the speed of data collection?
I'm using a LabVIEW program created by Ocean Optics for a
Spectrophotometer probe with is run through the USB port. The problem
occurs when we attempt to collect data over a time frame of one
second. For some reason the whole LabVIEW program will begin to
operate at the speed of data collection when we try to run the VI with
an integration time of +500 ms. If anyone would be able to offer any
kind of explanation or theory it would be greatly appreciated. Thanks
for any and all help.
DanielDear Daniel,
since LV has no support for USB this must be done through a DLL or Active-X control. A call to a DLL or Active-X method is a synchronous node in LV, that means LV will go on executing when the call completes.
My theory of your problem is that the program makes such a call and it would take that time to collect the data in the DLL or Active-X control. If you have only one loop in the program and do not use dynamic loaded VIs through the VI server than the program seems to hang on each of this calls.
I hope this helps
Waldemar
Waldemar
Using 7.1.1, 8.5.1, 8.6.1, 2009 on XP and RT
Don't forget to give Kudos to good answers and/or questions -
Problems with Data collection in CM 5.0.6
Hello:
I have installed LMS 3.0.1 and CM 5.0.6, and I have some problems with CM:
-Although data collection is scheduled, this does not run.
I try to launch it from CM menu, it asks if I want the collection of all devices or the new ones.
I try the two options but it does not do anything.
-I can launch the UT acquisition but it does not collect all the hosts.
I compare the configuration of the devices that "works" and the others and dont see no difference.
-The UT acquisition does not discover our Ip phones.
-In data collection settings there are 5 devices that are included but not managed.
-When I restart the server the data collection works fine, but the next day it doesn't work.
Thanks!!!Hi,
As suspected, Campus Manager 5.0.6 hitting a bug as found the following exception in ani.log :-
2011/03/14 15:05:40 Discovery ani ERROR AniTimeLine: TimeBase Discovery caught exception: java.lang.NullPointerException
java.lang.NullPointerException
at com.objectspace.jgl.HashMap.put(HashMap.java)
at com.cisco.nm.ani.server.core.PortDetailsXml.populatePortData(PortDetailsXml.java:109)
at com.cisco.nm.ani.server.core.DiscoveryTimeBaseImpl.generatePortDetailsXml(DiscoveryTimeBaseImpl.java:104)
at com.cisco.nm.ani.server.core.DiscoveryTimeBaseImpl.postPerformScheduledFunction(DiscoveryTimeBaseImpl.java:81)
at com.cisco.nm.ani.server.frontend.AniTimeBaseImpl.execute(AniTimeBaseImpl.java:48)
at com.cisco.nm.ani.server.frontend.AniTimeLine.executeTimeBase(AniTimeLine.java:317)
at com.cisco.nm.ani.server.frontend.AniTimeLine.runSchedule(AniTimeLine.java:350)
at com.cisco.nm.ani.server.frontend.AniTimeLine.run(AniTimeLine.java:366)
at java.lang.Thread.run(Thread.java:595)
BUG ID = CSCtd49439
link to view bug at Cisco.com
http://tools.cisco.com/Support/BugToolKit/search/getBugDetails.do?method=fetchBugDetails&bugId=CSCtd49439
You need to contact TAC for the patch.Kindly click on Action --> open Service Request and it will put all these notes and logs of this thread to the TAC case.
Once the data collection issue will be fixed and the correct number of devices being data collected properly, then you need to make sure to add "Call Manager" to Common Services with the community string credentials and run the data collection and UT Acquisitions to get the IP Phones discovered.
Thanks,
Gaganjeet -
Problem setting up data collection for a performance problem
We have a performance problem on our production environment: there is a query that is long to display specially on specific records involving a lot of détails. I had the idea to set up data collection to investigate the problem.
I used the wizard to set up data collection with default settings.
I had created a database PERF_DW on our test server for that purpose.
I didn't have any problem with the wizard: it created data collection sets and SQL Server agents tasks and probably many objects. But I don't know where I missed something but I didnt, have the chance to specify the database I wanted to tune
and even when I started data collection, I couldn't figure out where were the reports.
Then I tought that I did it all wrong so I stopped data collection and dropped the database and tried to deleted the jobs created and I had the following message:
TITRE : Microsoft SQL Server Management Studio
Échec de Supprimer pour Travail « collection_set_1_noncached_collect_and_upload ». (Microsoft.SqlServer.Smo)
Pour obtenir de l'aide, cliquez sur :
http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&ProdVer=11.0.2100.60+((SQL11_RTM).120210-1917+)&EvtSrc=Microsoft.SqlServer.Management.Smo.ExceptionTemplates.FailedOperationExceptionText&EvtID=Supprimer+Job&LinkId=20476
INFORMATIONS SUPPLÉMENTAIRES :
Une exception s'est produite lors de l'exécution d'une instruction ou d'un lot Transact-SQL. (Microsoft.SqlServer.ConnectionInfo)
The DELETE statement conflicted with the REFERENCE constraint "FK_syscollector_collection_sets_collection_sysjobs". The conflict occurred in database "msdb", table "dbo.syscollector_collection_sets_internal", column 'collection_job_id'.
The statement has been terminated. (Microsoft SQL Server, Erreur : 547)
Pour obtenir de l'aide, cliquez sur :
http://go.microsoft.com/fwlink?ProdName=Microsoft%20SQL%20Server&ProdVer=11.00.3128&EvtSrc=MSSQLServer&EvtID=547&LinkId=20476
BOUTONS :
OK
Now I understand that the collectors prevent the jobs from being deleted but I can't delete the collectors.
What should I do?
Any help is appreciated.
Thank you for your advice.
Sylvie PHello,
Please refer to the following article.
http://blogs.msdn.com/b/sqlagent/archive/2011/07/22/remove-associated-data-collector-jobs.aspx
You can run the dcclenaup.sql script mentioned in the article.
Another option is using sp_syscollector_cleanup_collector.
http://blogs.msdn.com/b/sqlagent/archive/2012/04/05/remove-associated-data-collector-jobs-in-sql-2012.aspx
Hope this helps.
Regards,
Alberto Morillo
SQLCoffee.com -
Problem Topology Data collection LMS 4.1
Hi there,
I have an issue with the lms 4.1 Topology Data Collection. In the Topo Data Collect under Inventory > Dashboards > Device Status > Collection Summary, there are only 2 devices succeeded and 0 device fail. but I have more 500 device in state managed. I run Inventory Collections but the number doesn't change.
Inventory Collection 534 13 02 May 2012, 11:07 CEST Idle Schedule
Config Archive 507 14 02 May 2012, 09:51 CEST Running Schedule
Topology Data Collection 2 0 02 May 2012, 11:11 CEST Idle Schedule
I have read others discussions but no one has the same problem or similar problem. The only possible solution is to reset the ANI db but I'm not sure if it it's the best solution.
Any ideas?
Thaks for helpI confirm that Martin. Good spotting!. I just noticed it in a server I installed yesterday. These 2 lines were added to the hosts file.
127.0.0.1 localhost
127.0.0.1 LMS4
A bit silly for both, since these entries were allready in the hosts file, done by the windows install I think
127.0.0.1 localhost
::1 localhost
Cheers,
Michel -
Data collection problems in LMS 4.0
Hi, we have some devices in our LMS 4.0 where Data Collection cannot be collected. The strange thing is that some days ago they were working fine and we have SNMP connectivity. We have deleted the devices and have added them again but the problem still persists, how can we fix it?
From the LMS server do the following:
1. ping the devices that you cannot collect their data
2. test the snmp connection to those devices using snmpwalk
go to CSCOpx\objects\jt\bin
snmpwalk -v 2c -c 1.3.6.1.2.1.1.2
3. test the credintials against those devices (Inventory> Job Browsers> Device Credentials Verification)
For any failure in 1 or 2 usually this is a firewall problem. Check if snmp and icmp ports are open or not.
For 3 failue check the credintials from (Inventory> Device Administration> Add / Import / Manage Devices)
I hope this help -
Problem setting data collection for SLD
Good day
I have the following situation.
A Solution Manager 71 installation, just recently patched to SP11. Previously I had the SLD on this system. And then a colleague informed that this could be a problem in the future as my ECC systems are Basis 731 which is higher level than the 702 on the Solution Manager system. So I installed a separate Java stack system on the same server as the Solution Manager.
The problem that I am faced with now is that I cant get the data collection (RZ70) to connect with the new Java system that I have installed. When I go into SLD and Administration, I see under Details>Data Suppliers that the server is specified as the Gateway Host, with a Gateway port of 3303. On the Solution Manager system it specified the gateway host as "localhost" and the gateway port as sapgw00.
So, from RZ70 I specify the gateway service as sapgw03 and then I get the result:
0: DSIMSID001_SID_00
: Collection of SLD data finished
0: DSIMSID001_SID_00
: Data collected successfully
0: DSIMSID001_SID_00
: RFC data prepared
0: DSIMSID001_SID_00
: Used RFC destination: SLD_NUC
0: DSIMSID001_SID_00
: RFC call failed: Error when opening an RFC connection (CPIC-CALL: 'ThSAPOCMINIT' : cmRc=17 thRc=2
0: DSIMSID001_SID_00
: Batch job not scheduled
And from the SLD_NUC entry in SM59 I get
Logon Connection Error
Error Details Error when opening an RFC connection (CPIC-CALL: 'ThSAPOCMINIT' : cmRc=17 thRc=2
Error Details ERROR: SAP gateway communication error (Is SAP gateway closed?)
Error Details LOCATION: SAP-Server DSIMSID001_SID_00 on host DSIMSID001 (wp 1)
Error Details COMPONENT: CPIC
Error Details COUNTER: 47
Error Details MODULE:
Error Details LINE:
Error Details RETURN CODE: 239
Error Details SUBRC: 0
Error Details RELEASE: 721
Error Details TIME: Mon Mar 16 14:04:05 2015
Error Details VERSION:
Can anyone give me a few ideas what may be wrong here please?
Regards
Ray PhillipsHi Ray,
Please check if the below SLD configuration is done.You can use any one of the two below link depending on how you want to configure your SLD.
Configure SLD for JCo and Creation of JCo Destinations - Portal - SCN Wiki
or
How to Create & Configure Local SLD on SAP NetWeaver 7.3 AS Java after Installation
If your SLD server is not a local SLD then make sure that in both the SLD system and the remote system host fine entry is there in /etc/hosts and etc/services. -
Campus data collection problem
I installed this patch for UT support for Nexus 7k in my LMS3.2 (Solaris 10)
At the end it asked to reintit the camput manager database, after the reinit I ran the data colletion but it found zero
devices. Data collection ran again this morning at its sehcudule but it still show zero devices.
Any clue?
/opt/CSCOpx/bin/perl CSCtl10414-0.pl
The patch is getting installed.....
Daemon Management stopping. This may take a few minutes.
Generating the information file for the patch
Do you want to start the Daemon Manager now (Y/N) [N] :y
INFO:backed up /var/adm/CSCOpx/log/daemons.log to /var/adm/CSCOpx/log/daemonsbackup.log
Daemon Management 3.9 starting. Log=(syslog) /var/adm/CSCOpx/log/dmgtd.log
Patch Installation was successful...
root@>> /opt/CSCOpx/bin/perl /opt/CSCOpx//campus/bin/reinitdb.pl
This will erase all data from the database. Are you sure [y/n] ?n
root@sip8a>> /opt/CSCOpx/bin/perl /opt/CSCOpx//campus/bin/reinitdb.pl
This will erase all data from the database. Are you sure [y/n] ?y
CampusOGSServer is running. Stopping CampusOGSServer...done
START reinitdb...Hi,
Kindly share the screenshot showing device do exist in Campus Manager and also upload ani.log
Thanks,
Gaganjeet -
Dear Members :
For sake of learning, ATP in R12.1.1 Vision instance, I created a simple ATP rule with Demand as Sales Order and Supply as PO, On-hand Available.
I followed all the steps as below:
1) After creating ATP rule and attaching it to the order mgmt tab in item master, enabled ATP at the org level.
2) created sourcing rule for that item and assigned it to an assignment set(Supplier Scheduling).
3) This assignment set appears by default to MRP:ATP assignment set profile option
4) Set INV : Capable to Promise to ATP/CTP based on collected data, at responsibility level
5) Include organizations to instance TST(default)
6) Run ATP Data collection Program.
RCS is errored out with User-Defined Exception (Source Setup Objects Creation Requests did not complete Successfully) along with Collection Triggers/Views errored out with
Error with creating Source Triggers/Views
Is it my setup problem or patch I need to apply, if you could please guide ?
Thanks in advance.
AtanuFollowing are in log for them:
**Starts**03-JAN-2011 20:00:52
**Ends**03-JAN-2011 20:12:22
Error in creating Source Triggers
Start of log messages from FND_FILE
03-JAN 20:00:52 : Request : 5807365 :Creates Item Triggers used by Collections Process
03-JAN 20:00:52 : Request : 5807366 :Creates BOM Triggers used by Collections Process
03-JAN 20:00:52 : Request : 5807367 :Creates Routing Triggers used by Collections Process
03-JAN 20:00:52 : Request : 5807368 :Creates WIP Triggers used by Collections Process
03-JAN 20:00:52 : Request : 5807369 :Creates Demand Triggers used by Collections Process
03-JAN 20:00:52 : Request : 5807370 :Creates Supply Triggers used by Collections Process
03-JAN 20:00:52 : Request : 5807371 :Creates Other Triggers used by Collections Process
03-JAN 20:00:52 : Request : 5807372 :Creates Repair Order Triggers used by Collections Process
End of log messages from FND_FILE
***********************************AND that of Source Views details :**************************************************************
**Starts**03-JAN-2011 20:00:47
**Ends**03-JAN-2011 20:12:18
Error in creating Source Views
Start of log messages from FND_FILE
03-JAN 20:00:47 : Request : 5807356 :Creates Setup Views used by Collections Process
03-JAN 20:00:47 : Request : 5807357 :Creates Item Views used by Collections Process
03-JAN 20:00:47 : Request : 5807358 :Creates BOM Views used by Collections Process
03-JAN 20:00:47 : Request : 5807359 :Creates Routing Views used by Collections Process
03-JAN 20:00:47 : Request : 5807360 :Creates WIP Views used by Collections Process
03-JAN 20:00:47 : Request : 5807361 :Creates Demand Views used by Collections Process
03-JAN 20:00:48 : Request : 5807362 :Creates Supply Views used by Collections Process
03-JAN 20:00:48 : Request : 5807363 :Creates Other Views used by Collections Process
03-JAN 20:00:48 : Request : 5807364 :Creates Repair Order Views used by Collections Process
End of log messages from FND_FILE
Executing request completion options...
Output is not being printed because:
The print option has been disabled for this report.
Finished executing request completion options.
Concurrent request completed
Current system time is 03-JAN-2011 20:12:18
======================================================================
Thanks
Atanu -
Hi,
We have both the APS and OPM applications on the same instance. We have run data pull program. The required data such as organizations, items & formulas are coming into APS. But, item forecasts entered in Forecasting form of OPM Process Planning are not being pulled. In other words there's no demand schedule.
We have checked every bit of setup involved. Yet we have no idea what's going wrong?
Is this a bug or are we doing something wrong?
nullHello Ashok,
At the risk of repetition let me explain the set-up for use of forecast
in OPM-APS and you should be able to determine the source of the problem
you're encountering while transferring the forecast data.
1. Have a forecast in OPM for the required item in the "required
warehouse"
2. Have a Schedule (in MPS of OPM) which has this forecast associated
with it.
3. Ensure that the Make to Stock indicator is turned ON for this
schedule
4. Ensure that if the make to order indicator is also turned on then the
forecast quantities are not "consumed" by sales order quantities.
5. Ensure that the plant for which planning is being done has the
warehouse (mentioned in forecast) as a replenishment warehouse
(Plant-Warehouse Effectivities) for the forecasted items
6. Do a data collection and try the LOV for MDS. - You should see a MDS
with a name which starts with the letters in the name of the schedule
and thw warehouse code.
This MDS is generated by the data extract program (while doing data
extraction) and during the generation of this MDS the forecast is
adjusted for the sales orders quantities for the required warehouses.
Please fee free to get intouch with me or [email protected]
for any further queries.
Rgds
Abhay
PS : Just one more simple confirmation, though the forecast is NOT being
seen on the APS side , are you able to get the forecasted items across
to APS ?
null -
So what I am trying to do is develp a system that collects data syncronoysly on the RT, and stores it in a FG so that it can be used by mutiple threads in this multithreaded application.
This will ultimatly be a part of a very large application that runs a main control loop at 10khz on a RT desktop computer with some M series, E sers (legacy customers) and X series cards (possibly as many as 4 cards with 16 AI per card) This will be deployed in different configurations at different customers so it needs to be flexable in how the channels are setup and acquired.
The troubble I am having is detirmining how to syncronize all these tasks and orginizing all of the information. Anybody have a good suggestion or example of how to acqurie lots of data and pass it around easly and have the whole thing be flexable to expansion?
Also am I doing the correct thing with the callign the reentrant vi's, I have not used the new asyncornous call tool and the examples dont seem to apply.
Attachments:
Calll AI ReentVIs Folder.zip 167 KB
Calll AI ReentVIs Folder.zip 167 KBWell, if I am understanding your intentions correctly on the reentrancy: you want to simultaneously "call and forget" multiple instances of the VI. To do that, you would want to combine options 0x40 and 0x80 to get 0xC0. Though keep in mind that this presumes that each instance will terminate itself, or otherwise is intended to keep running so long as the main application is running.
As for the data collection, I'm not sure I understand exactly what you are trying to do. It appears from your code that you want several DAQ operations to each run completely independently. The idea of using reentrancy suggests that you don't know ahead of time what or how many DAQ operations you have. If that is not the case, you might be overcomplicating things. You might instead just program the worst case scenarion and then optionally start certain tasks or not. Regardless, it seems like you are trying to figure out how to retreive the data being generated by each of the instances. If this is all on the RT system, you might use queues or notifiers set up beforehand by the launching VI; each instance gets its own queue/notifier. What you use will likely depend on whether you want to capture all the data or are just concerned with the latest data point. If trying to publish data accross a network, you might opt for psp variables or network streams, etc. -
Sluggish data collection will log but not plot
Please be gentle with another newbie here. Unfortunately, I am stuck using LV6 on a Windows XP machine so I am limited in some of the options I have to control data logging and event structures. However, I have done the best I can for the application with what I have learned of LabView. I am trying to set up a multichannel, continuous (long-term) data collection from the serial port which will send the data to a chart and a log. I have tried to build my own event structure to tell it to collect faster if there is a change in the data value and to collect slower when the change in the data is minimal (based on the mean values).
Any ideas on why this is running so sluggishly and not charting?
Thanks for all input and help!!
Attachments:
4 Channel Temp Monitor_latest.vi 1170 KBSome things I see.
1. You are setting a lot of properties for the charts on every iteration, along with property nodes for some other controls. Particularly the ones involving scaling. These cause the UI interface to need to update often. I would recommend only writing values to property nodes in the event that something changes. If you can use an event structure, great. If not, just compare the old value to the new value and only write out values if they are different.
2. I can't tell if anything controls the speed of you main while loop. You might want to put in a small wait statement.
3. Don't open and close the serial port on every iteration. You are actually doing it several times within an iteration. Open it once, Read and Write to it in a loop. Close the port when the program ends after the loop.
4. Some of the stacked sequence structures seem suspect. Some are using dequeues from the same queue in every frame, only to OR all the data together at the end. It seems like a For Loop would be a better choice.
5. Do all your graphs need to be single representation? Make them double. You can also avoide the bullet conversion from double to single in your Scan from String functions if you wire a single representation constant into the type terminal of the Scan from String function.
I'm sure there are more things that could be fixed, but I really suspect #1 and #2 as the main problems as to why your code seems sluggish. -
I am doing an an aquisition and displaying the data on graphs. When I run the program it is slow. I think because I have the number of scans to read associated with my scan rate. It takes the number of seconds I want to display on the chart times the scan rate and feeds that into the number of samples to read at a time from the AI read. The problem is that it stalls until the data points are aquired and displayed so I cannot click or change values on the front panel until the updates occur on the graph. What can I do to be able to help this?
On Fri, 15 Aug 2003 11:55:03 -0500 (CDT), HAL wrote:
>My performance is very slow when I run graphs. How do I increase the
>speed at which I can do other things while the data is being updated
>and displayed on the graphs?
>
>I am doing an an aquisition and displaying the data on graphs. When I
>run the program it is slow. I think because I have the number of
>scans to read associated with my scan rate. It takes the number of
>seconds I want to display on the chart times the scan rate and feeds
>that into the number of samples to read at a time from the AI read.
>The problem is that it stalls until the data points are aquired and
>displayed so I cannot click or change values on the front panel until
>the updates occur on the graph. What can I do to be a
ble to help
>this?
It may also be your graphics card. LabVIEW can max the CPU and you
screen may not be refreshing very fast.
--Ray
"There are very few problems that cannot be solved by
orders ending with 'or die.' " -Alistair J.R Young -
Hi Everyone,
I have a program that sends information(analog output) to lab windows cvi in the form of a text file or user input.
The program runs on the computers that I have the field point explorer and lab windows cvi installed on. In order to run the program without always installing labwindows/cvi and field point; I wanted to create an executable file that could be load on another computer.
I used the create distribution kit part of labwindows/cvi to do this.After creating the distribution kit, I then installed it
to another computer.
My user interface appears on the screen, when the user clicks on the exe. file, but no data is sent to the field point module. I know that the data is being read from the user and textfile because in it appears in the uir.
The following are some details about the problem:
1. On another computer without labwindows/cvi and field point explorer not installed - no data is sent to field point module
I know this because a current is being read on the current meter connected to field point module.
My questions are the following:
1. What are the possible reasons for the data not being sent to the field point module?
2. Do I still need to create an iak. (Installing Field point Explorer) file stored on any new computer that I install my created distribution kit file too?
Thankyou very much for any help that you can provide. I greatly appreciate it.
Faen9901Re: Hello, I have created a distribution kit for my program.The problem is that the when the program is installed onto another computer, it fails to communicate with field point (Using FP-AO-200 and FP-AO-1000). Help is greatly appreciated, Thanks faen9901Faen9901,
1) If you do not install FieldPoint Explorer, the FieldPoint Server is not installed so there is nothing on the target computer that knows how to talk to the FieldPoint system.
2) Yes, you need an IAK file on the target computer. Assuming the settings (i.e. com port#) are identical you can simply include the iak file as part of the distribution.
3) You also need to include as part of your installer the file "fplwmgr.dll". If this file is not installed, your program will not be able to access the FieldPoint Server. Alternatively, this file is installed automatically if FieldPoint Explorer detects LabWindows/CVI or Measurement Studio Development versions on the target computer or if you choose to do a custom FieldPoint Explorer installation and
choose to provide LabWindows/CVI support.
Regards,
Aaron
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