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

 
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Post by ofey on Symbol configuration / GVL CODESYS Forge talk (Post)
Hi! I have som variables that I communicate to a Modbus Master. These variables are declared in a "Global Variable List" where I have assigned them memory addresses. To organize this mapping I want to make a MODBUS list where I show all the variable names together with the memory address. Is there an easy way to export this list from CODESYS? Either through script or some export function maybe?
Last updated: 2023-10-11

Post by ofey on Symbol configuration / GVL CODESYS Forge talk (Post)
Hi! I have som variables that I communicate to a Modbus Master. These variables are declared in a "Global Variable List" where I have assigned them memory addresses. To organize this mapping I want to make a MODBUS list where I show all the variable names together with the memory address. Is there an easy way to export this list from CODESYS? Either through script or some export function maybe?
Last updated: 2023-10-11

Post by ralfki on User management CODESYS Forge talk (Post)
Hello eschwellinger, at first thank you for your answer. So the only ways to activate the user management are CodeSys delevelopment enviroment and the Codesys Automation Server. So there is no function to activate the user management via code? Do you have an idea how to get back the users when somebody replaced the PLC. Our customers have only our own developed visualization and they also don't want to install further softwares. Do you maybe have a solution for this
Last updated: 2024-09-04

Post by balazska2 on Position values with integer variables CODESYS Forge talk (Post)
Hello guys! https://content.helpme-codesys.com/en/CODESYS%20Visualization/_visu_elem_label.html My question: Could I give an integer variable to the Position records (in the Element list => Position => width / height)? If yes, how? I defined a TEST integer variable with 300 value. I tried to add this variable to the width record (.TEST or only TEST), but if I saved, the value jumps back to 0. Thanks for your help! :)
Last updated: 2024-10-03

Post by mubeta on Reset problem with CMZ SD/SVM drive CODESYS Forge talk (Post)
In a recent project with SoftMotion 4.15.0.0, where I integrated two SD drives from CMZ (from catalogue EDS and not imported), on CANopen bus, I found that the SoftMotion MC_Reset function does not reset the drive faults. Even if the drive is in fault, either on the device or on the drive at the CoDeSys level, the function does not reset, instead reporting the error code: no error to reset. Finally, I had to connect the reset bit of the ControlWord directly to a tag in my program. Something I never had to do on other drives: Lexium, etc. all reset simply with MC_Reset.
Last updated: 2024-07-24

Post by timvh on Visuutils FbOpenDialog(Extended) not open Dialog from POUs CODESYS Forge talk (Post)
I had a similar situation recently where this didn't work, but read to the end to see the solution. The reason is that CODESYS only downloads visualisations (dialogs) if they are part of the project or linked to the project. In your case the dialog is not loaded onto the controller. But the solution is pretty simple: Double click on the Visualization Manager in your application. Select the Tab "Visualizations". Here you can see that your dialog is not "checked". Do this manually and load your project on the controller. Then your code should be able to open the dialog, because now it exists on the controller.
Last updated: 2024-09-28

Post by dhumphries on Not able to see input data coming from eip adapter on codesys CODESYS Forge talk (Post)
Does the device have a green icon next to it when the PLC is running? If not you have some kind of communication problem, wireshark may be picking up some data but the scanner may not be configured correctly to receive the data. Check the T>O and O>T bytes and make sure they match on both the scanner and adapter. I've had very little success loading a .eds file and having the configuration work without some manual configuration. If you have a green icon, have you enabled the device to always update variables?
Last updated: 2024-03-02

Post by timvh on Case Function - Multiple Conditions, Is it possible? CODESYS Forge talk (Post)
This is not possible. Possible solution could be: CASE var1 OF 10: CASE var2 OF 10:; 20:; END_CASE 20: CASE var2 OF 10:; 20:; END_CASE ELSE ; END_CASE
Last updated: 2024-11-05

Post by ivanmaltar on Codesys Control shutdown CODESYS Forge talk (Post)
Hello, the problem was that the 4.6.0.0 Codesys control was not compatible with S versions of the RevPi controller because of the becuase of the Compute Module 4S. For those controllers, 4.8.0.0 version must be used.
Last updated: 2024-03-25

PFC200 4.5.0.0 License not detected CODESYS Forge talk (Thread)
PFC200 4.5.0.0 License not detected
Last updated: 2023-05-10

Could not open library CmpIoMgr Interfaces CODESYS Forge talk (Thread)
Could not open library CmpIoMgr Interfaces
Last updated: 2021-12-08

event start did not fired CODESYS Forge talk (Thread)
event start did not fired
Last updated: 2012-12-12

combo box array - not working? CODESYS Forge talk (Thread)
combo box array - not working?
Last updated: 2016-06-22

Axis Automatic mapping not working CODESYS Forge talk (Thread)
Axis Automatic mapping not working
Last updated: 2018-10-18

htm file name not updating CODESYS Forge talk (Thread)
htm file name not updating
Last updated: 2020-04-21

Softmotion Servo Example not working CODESYS Forge talk (Thread)
Softmotion Servo Example not working
Last updated: 2016-10-02

OPCUA Datasource, can not login... CODESYS Forge talk (Thread)
OPCUA Datasource, can not login...
Last updated: 2023-11-27

Codesys Modbus RTU (Modbus_Slave_Com_Port Not Running) CODESYS Forge talk (Thread)
Codesys Modbus RTU (Modbus_Slave_Com_Port Not Running)
Last updated: 2023-12-05

Raspberry PI 5 not working CODESYS Forge talk (Thread)
Raspberry PI 5 not working
Last updated: 2024-08-10

Visu Frame-configuration___text will not work CODESYS Forge talk (Thread)
Visu Frame-configuration___text will not work
Last updated: 2024-08-20

codesys sp20 opcua not working CODESYS Forge talk (Thread)
codesys sp20 opcua not working
Last updated: 2024-09-12

TargetVisu for Linux SL not starting CODESYS Forge talk (Thread)
TargetVisu for Linux SL not starting
Last updated: 2024-10-02

Time will not read 12 CODESYS Forge talk (Thread)
Time will not read 12
Last updated: 2024-10-10

CODESYS Gateway is not running CODESYS Forge talk (Thread)
CODESYS Gateway is not running
Last updated: 2024-10-24

TouchScreen does not work in Webvisualization. CODESYS Forge talk (Thread)
TouchScreen does not work in Webvisualization.
Last updated: 2024-11-11

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