h-opc
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hylasoft-usa
OPC client made simpler, for UA and DA
This is not really an issue but I dont know where to ask help. I am new to OPC and I would like to have some help on how to...
I tried to call a method using the subscription (Monitor) but I can't really undestand: - how to format the address string for the method. - how to specify the...
need a connect method with Credential optional(remote server's username and password). maybe like this: public void ConnectWithCredential(ConnectData connectData) { if (Status == OpcStatus.Connected) return; _server = new OpcDa.Server(new Factory(), _url);...
Hello, I try to implement a simple OPC UA Client with Tag monitoring (using KepServerEX). Connection and monitoring works great. I try to use ServerConnectionLost to manage reconnexion to server,...
I am trying to reconnect the OPC client after unplugging and reconnecting the ethernet cable. The server is a Codesys PLC. I found no way to reconnect, can you advise...
When i'm test connect to OPC UA server (https://github.com/FreeOpcUa/python-opcua) return null reference exception becose node is null.
I am using h-opc under DA only. It's working fine, but calling GetDataType(tag) always returns Int16, regardless of the Data Type defined at server side. Am I doing something wrong?...
Thanks for public the project, it's help me to much. Your library is very good, but i found issue with return value in read command in h-opc-cli.exe (monitor command also)...
2018-05-14 13:53:12,358 [ERROR] Hylasoft.Opc.Common.OpcException: Failed to validate certificate with error code 2148794368: >>> Certificate has is expired or not yet valid. NotTimeValid: 根据当前系统时钟或签名文件中的时间戳验证时要求的证书不在有效期内。 --- 在 Opc.Ua.CertificateValidator.InternalValidate(X509Certificate2Collection certificates) --- 在 Opc.Ua.CertificateValidator.Validate(X509Certificate2Collection...
I have a sample code using this library working fine with "Matrikon OPC Server for Simulation and Testing" but that fails with "Matrikon OPC Server for DDE". Although its documentation...
