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Post by nirav1992 on CNC15_LargeGCode.project
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Post by nirav1992 on CNC15_LargeGCode.project BC Axis Issue
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I am using CNC15_LargeGCode.project for small G01 segments. sample working ok for XY axis but not getting smooth movement while using BC axis pair instead of XY axis
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OpcUa_StatusCode Control
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Post by simond on OpcUa_StatusCode Control
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The OpcUa_StatusCode enum exists in CmpOPCUAStack Interfaces — how do I bind one to a published symbol so clients see the StatusCode change?
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Post by osande on V3.5 SP22 Patch1
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Sigh....
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Post by osande on V3.5 SP22 Patch1
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... and SP21 P6 also. Kind of bummer, migrating from TIA Portal to Codesys for PLC educational courses. These kind of bugs, and other deficiencies, really makes me regret my choice.
Last updated: 2026-05-06
Ticket #34: Unable to Connect To OPC Ua server through UserName identity
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Hi Team, i'm using the codesys to create an opc ua client to read the data from "Prosys OPC UA server simulation" tool .. I can able to connect to the server with anonymous authentication ... But when i tried to connect with user name authentication if fails to disconnect and does not return any errorID ... I have fixed security_check_failed error by trusting the client certificate on server side and also fixed invalid_certificate issue by trusting the server cetificate on client side .. After fixing these to error it fails to connect with NO_ERROR message. And i also noticed an error message like "Demo mode for CmpOPCUAClient started. Will expire and stop!" in the device log tab . please let me know the changes required to establish the connection ...2026-05-06 10:57:04.866000 Ticket #34: Unable to Connect To OPC Ua server through UserName identity CODESYS Forge cforge tickets tickets False /tol/cforge/tickets/34/ Ticket Unable to Connect To OPC Ua server through UserName identity False 1 2026-05-06 10:57:04.758000 34 Unable to Connect To OPC Ua server through UserName identity open Hi Team, i'm using the codesys to create an opc ua client to read the data from "Prosys OPC UA server simulation" tool .. I can able to connect to the server with anonymous authentication ... But when i tried to connect with user name authentication if fails to disconnect and does not return any errorID ... I have fixed security_check_failed error by trusting the client certificate on server side and also fixed invalid_certificate issue by trusting the server cetificate on client side .. After fixing these to error it fails to connect with NO_ERROR message. And i also noticed an error message like "Demo mode for CmpOPCUAClient started. Will expire and stop!" in the device log tab . please let me know the changes required to establish the connection ... False False 0 0 0 None 1.0 kiranbsiddaiah None
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Post by kiranbsiddaiah on CodeSys OPC UA client Unable to Connect To OPC UA sever through Username and password
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And also we do not have any opc ua related license . Do we need to have a opc ua license to communicate with OPC UA server with username and password?
Last updated: 2026-05-07
Post by kiranbsiddaiah on CodeSys OPC UA client Unable to Connect To OPC UA sever through Username and password
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Hi, I'm using codesys v3.5 sp21 software. I have downloaded the sample opc ua client project from https://content.helpme-codesys.com/en/CODESYS%20Examples/_ex_uacapi_example.html and i tested connecting to "prosys opc ua simulation server". Through Anonymous connection it is connecting to server and can read data. Later tried to connect using username and password. First got a SECURITY_CHECKS_FAILED error, trusted the client certificate in the server and this issue resolved. Next got an INVALID_CERTIFICATE error, trusted the server certificate in the client and this issue resolved. After these two error it is not establishing the connection and not giving any error messages. UAAsyncProp: UA.AsyncProperty := (tnTaskName:='UAClientTask', usiTaskPrio:=20, udiTaskInterval:=10000); UAPolicy: UA.SecurityPolicy := (sPolicy:=UA.OpcUa_SecurityPolicy.OpcUa_SecurityPolicy_Aes128Sha256RsaOaep, eSecurity:=UA.SECURITY_MODE.SIGN_AND_ENCRYPT); //UAPolicy: UA.SecurityPolicy := (sPolicy:=UA.OpcUa_SecurityPolicy.OpcUa_SecurityPolicy_None, eSecurity:=UA.SECURITY_MODE.NONE); UAAuth: UA.UserNameAuth := (sUserName:=UAVars.sUser, sPassword:=UAVars.sPass); UAClient: UA.Client := ( itfAsyncProperty:= UAAsyncProp, //sClientName:= 'MyOPC UA client name', //default: ‘CODESYS OPC UA Client’ sURL:= UAVars.sURL, sSession:= UAVars.sSession, itfPolicy:= UAPolicy, itfAuth:=UAAuth, udiTimeout:= 100000 //,itfNamespaceArray:= UAVars.itfNamespaceArray //optional use ); ----------------------------------------------------------------------------------------------------------------------- Please let me know if any additional information required. Thank you...
Last updated: 2026-05-07
CodeSys OPC UA client Unable to Connect To OPC UA sever through Username and password
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CodeSys OPC UA client Unable to Connect To OPC UA sever through Username and password
Last updated: 2026-05-07
Post by totorovic on Ladder editor bug with 3.5.21.20
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Hello, With Codesys 3.5.21.10 the ladder editor displays : With Codesys 3.5.17.21, the same code was correctly displayed : The compilation is error free Please check image attached
Last updated: 2026-05-07
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