Search talk: -128到127是什么数据类型

 
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Network log messages CODESYS Forge talk (Thread)
Network log messages
Last updated: 2025-09-11

Codesys Soft PLC OPC UA server CODESYS Forge talk (Thread)
Codesys Soft PLC OPC UA server
Last updated: 2025-09-11

Post by rickwot809 on Codesys Soft PLC OPC UA server CODESYS Forge talk (Post)
Enabling Anonymous Login 1. Navigate to 'Device' > 'Communication Settings' > 'Device'. 2. Next, click on 'Change Runtime Security Policy'. 3. In the new window, find and check the box for 'Allow anonymous login'. After completing these steps, you should be able to communicate with the OPC UA server.
Last updated: 2025-09-11

visualization trend recording problem CODESYS Forge talk (Thread)
visualization trend recording problem
Last updated: 2025-09-12

Post by monw on Unable to Re-Import Native XML Exported Using CODESYS Script API CODESYS Forge talk (Post)
When exporting a Logical Device or Logical Exchange GVL using the native XML export functionality of the CODESYS Script API, I encounter the following error upon re-import: "Error in IEnumeratorOfTWrapper. Current. Could not cast: System.String in System.Char" I am using CODESYS V3.5 SP21 Patch 2. Is there a known solution or workaround for this issue? Notably, importing the same XML file through the CODESYS Engineering IDE's menu import works without error.
Last updated: 2025-09-12

Post by ahmedbadawi10 on visualization trend recording problem CODESYS Forge talk (Post)
Hi, I'm using codesys with simulation and i'm still learning about it, when i add a trend chart to screen and do the configurations, nothing is shown on the chart! you can see conf in attached snips thanks
Last updated: 2025-09-12

Unable to Re-Import Native XML Exported Using CODESYS Script API CODESYS Forge talk (Thread)
Unable to Re-Import Native XML Exported Using CODESYS Script API
Last updated: 2025-09-12

Post by kurtk on SysProcess Execute Command unable to run commands with special characters CODESYS Forge talk (Post)
Thank you for this additional information. Could you please provide the references to the official documentation where you found this information ? I got as far as: Then insert this: [SysProcess] BasePriority=Realtime Command=AllowAll devoid of references of where the CodesysContol.cfg file was located or of the need to run codesys as root I incrementally located bits of information with perplexity searches but remained mired at error 25 ERR_NO_ACCESS I am curious whether root access is MANDATORY to run SysProcessExecuteCommand (- and/or any other SysProcess functions) or if a more access-constrained User=quasiroot could suffice without the security concerns ? Apparently codesys runs fine without User=root for almost everything... That raises the question: What IS the default codesys user ? I notice in the prototypes: VAR sCommand : STRING := '/usr/bin/whoami'; sOutput : STRING(255); refCommand : REFERENCE TO STRING; refOutput : REFERENCE TO STRING; resultCmd : UDINT; END_VAR whenever I attempt to build this Codesys v3.5 SP2 whines that "cannot convert type REFERENCE TO STRING to STRING" don't remember the exact message... Apparently this happens whenever a fixed-length string is involved. if I get rid of (255) and just set the string := ' '; that is sufficient to make the compiler happy. Is this a recently enforced constraint ? Why does this compile for you and not for me ? There are references to functions / utilities which are used/needed to massage the string references - but I see no specific details... I also notice you specify: Make sure the lib SysProcessImplementation, SysTypes, and CmpErrors is on the project. I don't comprehend why all of the dependent libraries are not automatically referenced, added ? I don't recall seeing anywhere but here that SysProcessImplementation must be included... It just seems odd that the default is to exclude essential libraries, or require alchemical conjuring to assemble all the ingredients for gnat soup ;-) Thanks a lot... I'm still a codesys newby getting my wheels on - or sometimes just partially on
Last updated: 2025-09-12

EIP Scanner not receiving data from adapter CODESYS Forge talk (Thread)
EIP Scanner not receiving data from adapter
Last updated: 2025-09-12

SysProcess Execute Command unable to run commands with special characters CODESYS Forge talk (Thread)
SysProcess Execute Command unable to run commands with special characters
Last updated: 2025-09-12

Post by nha451 on EIP Scanner not receiving data from adapter CODESYS Forge talk (Post)
Hello, I have an EtherNet IP adapter (GoPxL) running with a virtual PLC. I have successfully connected the adapter with green icons next to it. On WireShark I can see the data coming from GoPxL but on CODESYS it shows up as all 0. My firewall is turned off and I have enabled the device to always update variables. I tested my set up with Profinet and I can receive the data. Please let me know if you have any suggestions!
Last updated: 2025-09-12

Post by kurtk on Screenshot with "Sys Process Execute Command" CODESYS Forge talk (Post)
I am working on this same thing... I wonder if when you execute it in a "terminal" it is a graphical terminal window running under X whereas when it is run from a SysProcess, it is "headless" and hence X-less Does DISPLAY=:0 magically attach to the X session Wouldn't it make sense that scrot or imagemagick would automatically by default reference DISPLAY=:0 I'm just trying to figure out how this works or is supposed to work
Last updated: 2025-09-12

ChatGPT po Polsku – Twój Nowy Partner w Rozmowie Online CODESYS Forge talk (Thread)
ChatGPT po Polsku – Twój Nowy Partner w Rozmowie Online
Last updated: 2025-09-12

Screenshot with "Sys Process Execute Command" CODESYS Forge talk (Thread)
Screenshot with "Sys Process Execute Command"
Last updated: 2025-09-12

Post by zatalian on password policy CODESYS Forge talk (Post)
thanks!
Last updated: 2025-09-15

password policy CODESYS Forge talk (Thread)
password policy
Last updated: 2025-09-15

Post by kio123 on SysFileOpen not working CODESYS Forge talk (Post)
I have exactly the same problem and tried entering “ForceIecFilePath=0” in the file “CODESYSControl.cfg” ([SysFile]). Unfortunately, this was unsuccessful. Can anyone help in the meantime, e.g., with some sample code or with the FAQ that TimvH refers to above (link no longer works)? Many thanks and best regards
Last updated: 2025-09-15

Expanding Horizons in Nursing Practice CODESYS Forge talk (Thread)
Expanding Horizons in Nursing Practice
Last updated: 2025-09-16

Post by soundbuttonspro on Active vs Unacknowledged Alarm CODESYS Forge talk (Post)
Meme creators use it to power up their edits. Discord users love it for dropping instant reactions. Streamers lean on it for live sound effects. But what unites them all is the need for instant, sharable meme sounds—and SoundButtonsPro delivers that in the simplest way possible.
Last updated: 2025-09-16

Active vs Unacknowledged Alarm CODESYS Forge talk (Thread)
Active vs Unacknowledged Alarm
Last updated: 2025-09-16

Post by gunstr on CODESYS control on RPi starts, shortly runs, then exits CODESYS Forge talk (Post)
The problem has been resolved. Two findings are described below for future reference. The new RPi hw delivered during August 2025 has a MAC address from a new vendor series that is not supported by old runtimes. 4.17.0.0 or above is required. 4.17.0.0 does not pick up the correct architecture during installation and aarch64 has to be manually configured either in the GUI under operations or in /etc/codesyscontrol/CODESYSControl_User.cfg under the [CmpRasPi] section.
Last updated: 2025-09-16

CODESYS control on RPi starts, shortly runs, then exits CODESYS Forge talk (Thread)
CODESYS control on RPi starts, shortly runs, then exits
Last updated: 2025-09-16

Post by ahmedbadawi10 on Codesys Trend Problem CODESYS Forge talk (Post)
I have control win v3 with simulation and a small program with function to convert analog values to percentages, I need to show these percentages in a trend chart, but nothing is shown in the trend as you see in snips attached! thanks in advance
Last updated: 2025-09-16

Recipe Manager - RecipeManCommands, load & write wrong values, Bug? CODESYS Forge talk (Thread)
Recipe Manager - RecipeManCommands, load & write wrong values, Bug?
Last updated: 2025-09-16

Codesys Trend Problem CODESYS Forge talk (Thread)
Codesys Trend Problem
Last updated: 2025-09-16

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