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Close all windows, restart your computer and occasional com port error is fixed! United States Patents Trademarks Privacy Policy Preventing Piracy Terms of Use © 1994-2016 The MathWorks, Inc. The issue effects Windows XP and Oregon Scientific 968 weather station, maybe other brand stations too. Did you try a lower speed? Source

Reply With Quote Quick Navigation System Shock Series Top Back to Forum Site Areas Settings Private Messages Subscriptions Who's Online Search Forums Forums Home Forums Community Center Community Chat Member's That solved my trouble. I don't think it's a problem with the port. 0 Kudos Message 3 of 8 (12,056 Views) Reply 0 Kudos Solution Accepted by topic author Red_CCF ‎08-27-2015 06:09 PM Re: Error: delete(instrfindall); clear s s= serial('COM2'); fopen(s); Hope this helps, -Ankit Subject: Port: COM1 is not available From: Ivana Date: 30 Apr, 2007 12:54:50 Message: 3 of 3 Reply to this message

Serial Port Troubleshooting

However, when I use the same ASCII code and press run using the VI independently, I get a good message back with no error. Please HELP Logged Jason Smith Engineer ScanTool.net Staff Veteran Posts: 1692 Re: COM port could not be opened « Reply #4 on: May 28, 2010, 10:51:16 AM » I would try Other ways to access the newsgroups Use a newsreader through your school, employer, or internet service provider Pay for newsgroup access from a commercial provider Use Google Groups Mathforum.org provides a Jim Top cosmocat Posts: 2 Joined: Jan 16, 2010 18:17 Contact: Contact cosmocat Website No Joy Quote Postby cosmocat » Jan 19, 2010 21:59 Thanks for your input.

I am using LabVIEW 10.0.1 Any help is appreciated Solved! If your machine has only COM1 port, you'll get the error about COM2 port and similarly with only COM2, you'll get the error about COM1. Yes No OK OK Cancel X freebasic.net FreeBASIC's Official Forums Skip to content Search Advanced search Quick links Unanswered topics Active topics Search Forums Members The team FAQ Login Register Search Com Port Error Windows 7 Use the Email Address of Your Choice The MATLAB Central Newsreader allows you to define an alternative email address as your posting address, avoiding clutter in your primary mailbox and reducing

COM port is there. Serial Port Not Working Windows 7 Search To add search criteria to your watch list, search for the desired term in the search box. If the machine doesn't have any serial port, you'll get that error for both COM1 and COM2. http://www.weather-watch.com/smf/index.php/topic,6031.0.html Go to Solution Error: Property Node (arg 1) in VISA Configure Serial Port (Instr).vi Red_CCF Member ‎06-01-2012 11:42 AM Options Mark as New Bookmark Subscribe Subscribe to RSS Feed Highlight Print

Your always making this great program better!Thanks, Billyhttp://www.angelfire.com/ny5/billyliny/wxstation.html Logged HP Pavilion, XP Home SP3, AMD Athlon 3100+, 512 GB RAM - http://www.billyswxstation.com/ nick Posts: 137 Yate, Bristol, England Re: comm port Serial Port Not Working Windows Xp Are you sure that is the com port your device is using when plugged in? What's the problem? Forum FAQ Forum Rules Calendar Forum Actions Mark Forums Read Quick Links View Site Leaders What's New?

Serial Port Not Working Windows 7

Top Turd Posts: 175 Joined: Aug 31, 2007 23:34 Location: Saskatchewan, Canada Quote Postby Turd » Jan 20, 2010 1:49 It seems to me that I always have to open and http://www.helpmedial.com/cheetah-com-port win 7 Ultimate edition build 7600 (32bit) Did you check the BurnInTest log for any other errors? Serial Port Troubleshooting Download now × About Newsgroups, Newsreaders, and MATLAB Central What are newsgroups? How To Fix Serial Port Problem I have installed FB 0.20.b standalone onto Ubuntu 8.04 and Damn Small Linux .

You just made my night.Billyhttp://www.angelfire.com/ny5/billyliny/wxstation.html Logged HP Pavilion, XP Home SP3, AMD Athlon 3100+, 512 GB RAM - http://www.billyswxstation.com/ Weather Display Posts: 79,052 Davis VP2 New Zealand Re: comm port error I have no idea what this means. I was experimenting building webapes and borrowed it from someone elses page . Comment Post Cancel toko Junior Member Join Date: Dec 2013 Posts: 5 #5 11-17-2014, 01:56 AM I run burnintest with 12 com ports over 24 hours at win7 fail, but at Serial Port Problems

After installation of other drivers/programs no matter if touchscreen,Bluetooth or any other drivers or programs like Centrafuse, The ElmScan 5 USB stops working with the same message "COM port could not Messages are exchanged and managed using open-standard protocols. But on my PC in Matlab I don't get > access to the port. What are tags?

One Account Your MATLAB Central account is tied to your MathWorks Account for easy access. Serial Communication Error Fujitsu or @.=========================NI-488: Command requires GPIB Controller to be Controller-In-Charge. Right now I'm using a manufacturer's LabVIEW sample code to read from a device.

Since I was not responcible for the hardware (typical software guy with an attitude) I demoed for the customer and told them to contact the vendor for a new driver.

I'm also getting a timeout error from my VISA Read function in that when I send a setpoint, I'm not getting any return status messages. Thanks for the "sunny" Bristol. I want to mention that the same situation is on my laptop. Serial Port Failure To do this, follow the steps below:Plug the scan tool into the computerGo to the "Control Panel" Double click "System"Click the "Hardware" tabClick the "Device Manager" button Expand the "Ports(COM &

This device is interfaced using a Tripp Lite USB to serial adapter (http://www.tripplite.com/en/products/model.cfm?txtSeriesID=782&txtModelID=2430) for interfacing the PC to device with RS232. Play games and win prizes! How do I read or post to the newsgroups? I'm not 100% sure, but it seems that it is looking for controllers (mouse, maybe joystick) connected to those ports.

CPU, serial port hardware, etc.. Thanks a lot for any help. When I run the program, I get Property Node (arg 1) in VISA Configure Serial Port (Instr).vi (I have also attached the VI but it's a standard VI I got from Error using ==> serial.fwrite > OBJ must be connected to the hardware with FOPEN. > ----------------- > Serial Port Object : Serial-COM1 > > Communication Settings > Port: COM1 > BaudRate:

But what a wonderful fix, the COM errors annoyed me very much. Check plug is connected", and I am very sure the plug is OK, but when I change IRQ number, the error change to the other COM ports! (1)"Error while receiving from I get this comm port error sometimes and have resorted to rebooting until WD comes up clean.I've looked in device manager for a ball mouse but all I show is a Newsgroups are used to discuss a huge range of topics, make announcements, and trade files.

So, I think the baud rate selection has a problem, I do not know if this is a bug. Please login or register.Did you miss your activation email? Yes, mouse used to be on serial port before PS/2 or USB devices. Error using ==> serial.fopen > Port: COM1 is not available.

Not the PCI-E serial card solution I was expecting. the Matlab no have this way.. --------------------- I use Matlab 7.2.0 (R2006a) under Windows xp sp1 Does anybody know, what the problem could be? Use INSTRFIND to determine if other instrument objects are connected to the requested device. ----------------- >> fwrite(s, 1) ???