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Dde Error 2023


In the code below, it will get to the linkmode = 2 , then halt with an error ( no foreign application responded to a ddeinitiate ). sometimes i also get an error back after trying to write.. "message que filled". As far as running macros in Access, a favorite trick of mine is to open the DB (invisibly) and use Application.Run to run whatever macro I want - usually a "Main" 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 2 Oct 2008 I

What Is DDE Error 2023? The serial port version is almost identical. a good sign. I get no error feedback from the RSlinx server when no PLC is connected.

Vba Function Return Error

Writing is another matter. Solution 3 Accept Solution Reject Solution DDE Channel is opening, I am using following code to open channel. The fact that OPC is more stable is one of the reasons that DDE was not recommended even 10 years ago when Microsoft still "supported" it.

It could be hours, days, or weeks. See more: VBA Hello I receive a Type Mismatch Error when my VA application executes the following line. It also identifies errors in ActiveX/COM objects, Windows startups, File associations, File path references, Shared DLLs. Xlerrref I've never touched (poked?) DDE I'm afraid.

in the target cell. Vba Cverr I assume the Access DB "listening" would have to use or process the data sent ... ? Manufacturers and developers of software apps and hardware drivers use different codes to indicate various types of errors. Visit Website Try ouronline PLC Simulator- FREE.

On the other hand, I find that setting displayalerts to false and using OpenQuery or RunSQL with a DoCmd object allows me to run queries that I know will include some Excel Vba #value Error If I do this, everything works fine:- Code: Sub Test1() Dim iChannel1 As ... I need to implement some error trapping so i know if the PLC is recieving the data or not?? Also, you can trap errors using the optional options argument.

Vba Cverr

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Add-In Express http://www.cpearson.com/excel/ReturningErrors.aspx System memory defects. Vba Function Return Error Originally Posted by xenou Though I can't argue with being interested to see how it works with DDE. Xlerrvalue Both Windows Vista and Windows 7 systems have a pre-installed Memory Diagnostics tool.

many did not know what it is, on Windows, NetBEUI dominated, NetBIOS -- can you imagine? xlErrNum (= 2036) returns a #NUM! hope this makes sense, any help much appreciated. OPC was what i was hoping to use, interesting that the same issues occur though. Cverr(xlerrna) Vba

This way there is No OPC manipluation. Thread Tools Display Modes November 21st, 2013, 02:10 PM #1 NoLegalMoves Member Join Date: Jul 2012 Location: Utah Posts: 5 error 2023 when connecting excel to plc I can't The number of connections depends on your particular PLC and you can look in the manual for that to find out when you've saturated the number of connections (not conversations). Sign In Sign In Remember me Not recommended on shared computers Sign in anonymously Sign In Forgot your password?

Is there an equivilent Status word to use for 500 series CPU's?? Xlcverror The Dde Error 2023 error message appears as a long numerical code along with a technical description of its cause. adding the line as shown seems to have fixed the problem.

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Example Code The following is a example using CVErr. The "Main" sub in the database handles all the rest. So, you can set up a second connection and just monitor the virtual tag called "@ispresent". Vba Error Function It doesn't show up in the browse listing so you have to manually type it in (this is true of all the "@" tags).

i want to create an item like this: OPCItemIDs(1) = "[bOARD_GRADER]N7:0,L10,C10" i can then perform a syncread and read the 10 valeus into an array fine. A dialog will open that displays the amount of free space and total storage capacity. I've tried stepping through the code to check it's not a sequencing or timing problem but everything seems to happen and complete in the correct order. i guess i have to create each individual integer as an individual item.

I've tried DDERequest with "All", "Data", "FieldNames", "FieldCount" and "FirstRow": all attempts result in an Error 2023. Yep, it's the old broken RS-Linx OPC implementation. This page was generated at 05:42 PM. Powered by vBulletin Version 4.2.3 Copyright © 2016 vBulletin Solutions, Inc.

Sometimes ( maybe once a day ) this gives a timeout or message que filled error. With DDE it happens much quicker. Automatic Solution for Novice PC Users (no manual option selections are required): Download the Dde Error 2023 Repair Tool Install the application after download completes Click the "Scan" button that appears ie i can create my group, connect to the opc server and everything fine, and when i perform writes and reads, i get no indication of an error.

I want to programmically pull data for a custom program.