framing error labview River Rouge Michigan

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framing error labview River Rouge, Michigan

It's easy! I've successfully plot those values but i am getting the framing error "Error-1073807253 occurred at VISA Read Possible reason(s): VISA: (Hex 0xBFFF006B) A framing error occurred during transfer. Functions>Instrument I/O>VISA>Advanced>Visa Property.....Then select the property from the menu>Property>Serial Settings>Baud This will let you see what the baud rate is that the serial port is actually set to. In our applications we open and close VISA sessions tens of thousands of times and we do not see any problems.

Maybe your port got soft damage from some EMC or lightning. I using a while loop and the "bytes at serial port" property to be sure that it's empty. If there truly was a memory leak we would have all kinds of issues with our applications. You may needto repair these installations if the error continues.

Trust me I am not dissagree with you even if I do not know full answer. Sign In Sign Up Browse Back Browse Forums Downloads Gallery Staff Online Users Activity Back Activity All Activity My Activity Streams Unread Content Content I Started Search Jump to content Hardware Showing results for  Search instead for  Did you mean:  Reply Topic Options Subscribe to RSS Feed Mark Topic as New Mark Topic as Read Float this Topic to the Top Bookmark Me either.

However, when I try running the step, I am getting an error in SignalExpress that saysPossible reason(s):VISA: (Hex 0xBFFF006B) A framing error occurred during transferand occasionally I also get an error From: ananda Prev by Date: Re: digital output 5V and current? As I stated earlier in our environment we are constantly opeing and closing connections. Look at this Knowledge Base document.

For some  reason the default setting causes the serial port settings to revert  to VISA defaults (n.b. the number of bytes transferred was much greater then the "bytecount" input from VISAread. Share this post Link to post Share on other sites Shaun Hayward 30 Very Active Members 30 150 posts Location:Boston, MA, USA Version:LabVIEW 2013 Since:2003 Posted August 24, 2009 I Each byte has a specific format with a start bit, data bits, parity, and stop bits.

The general sequence of events seems to be a "viParseRsrc", a VISA GetAttribute, a bunch of VISA SetAttribute related to port settings, VISA Read, and VISA close, which all occur with Lauch MAX, go to Device and Interface->Serial & Parallel, select the port you use. BTW: DAQmx Tasks will do the same thing (but you will have to trust me on that one. ) That behaviour SEEMS to apply to every resource allocated by LV. When last i looked there where about 1K bytes allocated for every opean which were NOT released until after LV shutdown for every open opeation.

It could be also a hardware error on the build in port. Plz tell me. I'm using the example given in LabVIEW (Basic Serial Write and Read.vi).Basically, my objective is to run the program using IAR Embedded Workbench IDE with the device connected to COM1 and But technically speaking this is just putting a bandaid on a wound.

Ben, If you get Process Explorer from http://technet.microsoft.com/en-us/sysinte...7c5a693683.aspx you can get more detailed info about just what is using the memory than from the task manager - it will show the I don't agree with this. QUOTE (neBulus @ Mar 6 2009, 09:48 AM) I question the need to close and re-open. Exactly.

Share this post Link to post Share on other sites LAVA 1.0 Content 1 Members 1 2,739 posts Version:LabVIEW 8.6 Since:2009 Posted January 1, 2009 QUOTE (Justin What was happening was that any call to read/write to the serial port  would open a VISA session with the access mode set to VISA defaults,  not MAX defaults. Your cabling may be loose. Sorry to all for my bad eanglish.

You can change these settings programmatically during run-time as seen in the example above, or in NI-MAX. 3. Please Contact NI for all product and support inquiries. Or sign in with one of these services Sign in with Facebook Sign in with Twitter Sign in with LinkedIn Sign Up All Content All Content This Topic This Forum Advanced So, if I use the VISA Read command, in Labview, it will keep on not working.

Administrators 274 5,736 posts Version:LabVIEW 2015 Since:1994 Posted March 11, 2009 QUOTE (neBulus @ Mar 10 2009, 05:45 AM) Exactly. I closed other programs that might have been using the COM port. Task manager memory showed (Kbytes) start 1450404 end 1439120 So there is now about 10M less memory available. P.S.

Ben - have you reported it to NI? This can be wire-run too long, external noise, bad grounds etc. Absolutely! Take care, Ben Share this post Link to post Share on other sites Create an account or sign in to comment You need to be a member in order to leave

I can only provide anecdotal evidence that there is no memory leak. Members 0 18 posts Location:Montréal, Canada Version:LabVIEW 8.6 Since:1997 Posted August 24, 2009 What is the error? Generally just checking the number of bytes waiting at the port and reading those is enough to clear the garbage. Thanks for your response though.

ananda Member ‎03-03-2006 10:49 AM Options Mark as New Bookmark Subscribe Subscribe to RSS Feed Highlight Print Email to a Friend Report to a Moderator Hello LabViewians, I am getting Answered Your Question? 1 2 3 4 5 Document needs work? So, why does this error occurs only when I use the pc rs232 and doesn't occur when I use usb-adapter? Yes that post is old but I work across LV versions and there only has to be one version that is buggy for me to adapt my rules.

The downside of this is that when you run your VI, you will be grabbing the next reading from the serial buffer, rather than the last reading from your device, so Share this post Link to post Share on other sites Nikunj 0 LAVA groupie Members 0 7 posts Posted January 1, 2009 Hi, There is one hardware connected to pc, Sign In Sign In Remember me Not recommended on shared computers Sign in anonymously Sign In Forgot your password? Share this post Link to post Share on other sites LAVA 1.0 Content 1 Members 1 2,739 posts Version:LabVIEW 8.6 Since:2009 Posted March 7, 2009 QUOTE (neBulus

So far it holding so that issue may have been fixed. Showing results for  Search instead for  Did you mean:  Reply Topic Options Subscribe to RSS Feed Mark Topic as New Mark Topic as Read Float this Topic to the Top Bookmark Closing and re-opening a VISA session will bite you eventually uless the app is restarted regularly. If available I suggest putting an O'scope on the recieve line and inspect the data carefully.