Search talk: Object reference not set to an instance of an object

 
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Post by eschwellinger on How to configure CODESYSControl_User.cfg in order to use a specific network card for OPCUA Server CODESYS Forge talk (Post)
Hi Rossano, thank you for the feedback, you are right this need to be changed in the faq section. Regards Edwin
Last updated: 2023-08-28

Post by totorovic on CSVReaderInit returns error : INVALID_HANDLE CODESYS Forge talk (Post)
Thank you for the return. The path targets to a CFast card. User has R/W access to it. We will try to change it.
Last updated: 2023-08-31

Post by kumareasu on Code Size CODESYS Forge talk (Post)
Hello, How to find the following for for my application when I want to switch over to "Application Based Licence"... Code Size. IO size When I use Analog IO. IO size when I use AC inverter(Drive for AC induction motor). For example we read/write few EtherCAT registers.
Last updated: 2023-09-07

Post by jinil on Import RsLogix 5000 project to Codesys CODESYS Forge talk (Post)
Hello, I am trying to do the same thing. I want my Rslogix 5000 project into Codesys. Was wondering if you have found a way to do it. Thank you.
Last updated: 2023-09-07

Post by jinil on Import RsLogix 5000 project to Codesys CODESYS Forge talk (Post)
Hello, I am trying to do the same thing. I want my Rslogix 5000 project into Codesys. Was wondering if you have found a way to do it. Thank you.
Last updated: 2023-09-07

Post by wehling-h on Troubles with using CAN API CODESYS Forge talk (Post)
Hi together, I'm using a 11bit driver system which seems to work well so far. May someone here knows if i have to configure a singleID for each message i like to receive and evaluate?
Last updated: 2023-09-11

Post by aott33 on Webvisu NO load CODESYS Forge talk (Post)
I put in a support ticket request for this issue since I need this application to be running reliably for my customer's application. Hope to hear back from support soon to troubleshoot this process.
Last updated: 2023-10-09

Post by lhohmann on EtherNet_IP_Scanner - No driver found CODESYS Forge talk (Post)
I've managed to run Ladder logic code on a virtual PLC running on my laptop. Now, I want to connect to a device over EthernetIP, but I always get the "No driver found" message. Can anyone shed me some light?
Last updated: 2024-07-02

Post by psychoengineer on Trouble Writing Files to External Paths in CODESYS CODESYS Forge talk (Post)
Hi! Do you know how to properly configure SysFile for COdesys Control Win64? Where is it that file on the PC disk and whatr to add?
Last updated: 2024-07-05

Post by psychoengineer on Trouble Writing Files to External Paths in CODESYS CODESYS Forge talk (Post)
Hi! Do you know how to properly configure SysFile for COdesys Control Win64? Where is it that file on the PC disk and what to add?
Last updated: 2024-07-05

Post by psychoengineer on Trouble Writing Files to External Paths in CODESYS CODESYS Forge talk (Post)
Hi! Do you know how to properly configure SysFile for COdesys Control Win64? Where is it that file on the PC disk and what to add?
Last updated: 2024-07-05

Post by brzozka100 on Change modbus server parameters from program CODESYS Forge talk (Post)
Hello, is there a possibility to change modbus server parameters (baud rate, parity, etc.) configured in devices tree from PRG? I need to be able to change them, for example, from HMI.
Last updated: 2024-07-16

Post by brzozka100 on Change modbus server parameters from program CODESYS Forge talk (Post)
Hello, is there a possibility to change modbus server parameters (baud rate, parity, etc.) configured in devices tree from PRG? I need to be able to change them, for example, from HMI.
Last updated: 2024-07-16

Post by ibarragerman on PLCHandler where is it CODESYS Forge talk (Post)
Hello, someone has some example to use PLC Handler? Without SDK. I would like to make some test before to go forward buying SDKs.
Last updated: 2024-07-26

Post by ibarragerman on PLCHandler where is it CODESYS Forge talk (Post)
Hello, someone has some example to use PLC Handler? Without SDK. I would like to make some test before to go forward buying SDKs.
Last updated: 2024-07-26

Post by ibarragerman on PLCHandler where is it CODESYS Forge talk (Post)
Hello, someone has some example to use PLC Handler? Without SDK. I would like to make some test before to go forward buying SDKs.
Last updated: 2024-07-26

Post by abrarsk on SysCom Library Usage CODESYS Forge talk (Post)
Update: I was able to successfully use the SysCom.lib. I had to install SysTypes2Interface library as well and wrote following code. Declaration hCom : RTS_IEC_HANDLE; pResult : POINTER TO RTS_IEC_RESULT; Implementation hCom := SysComOpen(ComSettings.sPort, ADR(pResult));
Last updated: 2024-08-10

Post by lyngaansns on .project.~u save frequency CODESYS Forge talk (Post)
It would be such a simple fix to first check if the file is missing or changed before writing to it, onedrive only has a problem because codesys writes to the file every second no matter the change.
Last updated: 2024-09-11

Post by mainak on OPC UA C# client connecting to OPC UA CODESYS server CODESYS Forge talk (Post)
it could be due to security settings. In codesys IDE, go to device-> change run-time security policy, and click the checkbox that says "Allow anonymous login". try if this works.
Last updated: 2024-10-19

Post by kbucsit22 on Ethercat Slave - Load PDO From Device CODESYS Forge talk (Post)
Hi All, I am using Control Win V3 x64. Anyone experiences to use Expert mode to map the Ethercat Slave device to press this Load PDO from Device, Pressed first time then nothing happens. Pressed second time then the software crashes. Best regards, Kenneth
Last updated: 2024-10-22

Post by romrot on Trying to connect Codesys OPC server to Ignition CODESYS Forge talk (Post)
Does the OPC UA server have a generic username and password? It doesn't seem to be the same as the device username and password.
Last updated: 2025-01-22

Post by romrot on Trying to connect Codesys OPC server to Ignition CODESYS Forge talk (Post)
Does the OPC UA server have a generic username and password? It doesn't seem to be the same as the device username and password.
Last updated: 2025-01-22

Post by fleaplc on Symbol Configuration to be Build every time! CODESYS Forge talk (Post)
I'm using Symbol configuration to share PLC variables with SCADA via 3S protocol (Symbol File). All is working fine except every time I open the project.. then I need to rebuild Symbol Configuration! Why?
Last updated: 2025-05-23

Post by tk096 on How to get the motor scaling value from code CODESYS Forge talk (Post)
Hi, unfortunately, in Softmotion you have only access to the combined fraction - the scaling factor from user units to motor increments. It can be accessed using MC_ReadParameter with parameter number 1054. increments = user_unit_position * fScaleFactor
Last updated: 2025-06-13

Post by taoufikaoun on Profinet Simulator CODESYS Forge talk (Post)
Hello, I am new to codesys i want to create 100% simulator profinet network only with virtual ethernet adapter it is possible. I want to use Codesys build in controller and device io for profinet. Thanks.
Last updated: 2025-06-20

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