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Cannot Open Specified Com Port
I have read couple of forum topics regarding this problem. asked 6 years ago viewed 14268 times active 3 years ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Linked 1 Unable to read a USB com port using GNAT Thanks Brian #1 17 Replies Related Threads kalpak Super Member Total Posts : 3265 Reward points : 0 Joined: 2004/03/12 23:01:40Location: India Status: offline RE: ICD0019: Communications: Failed to i want to add 18f24k50 ...already has 18f25k50 Flash Loader Questions Brown Out Reset Servo control TMR2 I2C master interrupt flag is never set SPI Write with Synchronous Read PIC 18F2331 http://fortecrm.net/cannot-open/cannot-open-the-usb-serial-port.html
Yesterday I was working on some configs in a switch. Whatever is written to one can be read from the other, and visa versa. Share this post Link to post Share on other sites BobShelley 39 DeLorme Guru Members 39 2,632 posts LocationSan Diego Posted November 15, 2011 · Report post That is a Why did the best potions master have greasy hair? http://forums.mrplc.com/index.php?/topic/9068-unable-to-open-the-specified-com-port-for-configuration-testing-ab/
Nothing. We're using canned software. How can we improve?
Remove Advertisements Sponsored Links ElectricianTalk.com Advertisement 04-04-2012, 08:20 PM #2 Sawdust454 Sweet Tea Addict Join Date: Sep 2008 Location: Virginia Posts: 52 Rewards Points: 77 First thing, unplug BTW, how are you powering the ICD2? #2 vaughanatworld New Member Total Posts : 3 Reward points : 0 Joined: 2006/02/15 19:19:13Location: Boston, MA Status: offline RE: ICD0019: Communications: Failed to but when I try to open the port in C#, it gives me the Exception The port 'COM2' does not exist. Have you checked in the device manager to see if the particular comm port is used in another program?
I suspect that this might be caused by one of the recent Microsoft updates, but don't know. Nothing. O' well worth a try .. http://www.electriciantalk.com/f28/re-establishing-your-plc-comm-connection-36727/ Regards Craig W Share this post Link to post Share on other sites Danny 0 Newbie MrPLC Member 0 9 posts Australia Posted 15 Sep 2006 Hi Craig W Before
Normaly i work withtrue emulators, but now i like to try something with this. I have not done any changes to the settings either. Just fellow tradesmen who enjoy talking about their business, their trade, and anything else that comes up. mgvolMarch 13th, 2006, 07:15 AMRSLinxNG.exe is the executable for RSLinx Enterprise (for RSView Machine Edition).
For this new setup I switched from my free cable company provided CA Security Suite to Microsoft Security Essentials. https://social.technet.microsoft.com/Forums/windows/en-US/8328ff51-1f1b-48a6-8b72-3130295790ec/unable-to-open-com1-please-check-your-port-settings?forum=itproxpsp Sometimes this uses com 1. It doesn't matter which of the three USB ports I use, or whether the GPS was in the port before or after I start SA. By way how can I check it has been used by the fax or the inetrnet???
Electrode. http://fortecrm.net/cannot-open/cannot-open-serial-port-dev-ttyusb0.html I used a google search on the error message, and someone said the same tip. It has changed to IRQ 07. If you deleted it, you will have to re-install RSLinx Enterprise.
I'll check the BIOS though. Thread Tools Display Modes 04-04-2012, 06:30 PM #1 dronai Premium Member Join Date: Apr 2011 Location: California Posts: 6,356 Rewards Points: 3,337 Re-establishing your PLC comm connection Every TP9 got through the step of analyzing Internal, which is always iffy, and then I got one of the usual OS error indications when it tried to connect to the SD, http://fortecrm.net/cannot-open/cannot-open-serial-port-code-5.html Changing it to COM2 solved my problem and my ICD2 works great.
Thank you very much Cheer!!! Thank you Share this post Link to post Share on other sites Craig 0 Sparky MrPLC Member 0 19 posts New Zealand Posted 15 Sep 2006 Hey Danny, If you Some Pc's use com1 as a mouse controller.
Share this post Link to post Share on other sites BobLfoot 32 The Wizard MrPLC Admin 32 3172 posts Gender: Male Southern Indiana United States Posted 15 Sep 2006 This
Especially if you have a "hole" in the port list (ex : port 1 & 2 : computer serial port, 3 : nothing, 4 : your usb to serial converter. And no problem go online using rslogix 5000 software. What does an expansion in early december mean for the standard format? I will try this instruction as above.
Why there are no approximation algorithms for SAT and other decision problems? English locale XC32 V1.40 and persistent and or coherent issue, Products Applications Design Support Training Sample & Buy About Us Contact Us Legal Investors Careers ©Copyright 1998-2014 Microchip Technology Inc. Passing parameters to boilerplate text Why does Friedberg say that the role of the determinant is less central than in former times? Check This Out Can you please give me some idea how to change it to Com port # 1 to port #4.
Closed out SecureCRT, disconnected the cable, shut down, laptop stayed in my bag all night. I will have to conduct experiments with a desktop machine with a PCI card based serial port; try Windows XP, 2K, NT, 98, 95 etc until I find a working combination. If I disable anti-virus my chances of success are much better. Once again...thanks for suggestion Regards post edited by jotalinux - 2006/08/28 19:55:46 #12 vaughanatworld New Member Total Posts : 3 Reward points : 0 Joined: 2006/02/15 19:19:13Location: Boston, MA Status: offline
I can't prove it, but it seems that anti-virus software has something to do with it. Now add a new driver that matches the plc you are connecting to. Sign In · Register Penny Arcade Forums › Help / Advice Forum Categories Recent Threads Best Of... This change works until the workstation has been rebooted then these steps have to be applied again.
Got an error, so I just closed everything down, unplugged the USB cord, plugged it back in, opened everything up and had no problems.