Hello Yul725, thank you for providing the log file. There appear to be connection issues with the ctrlX system. Unfortunately I cannot help you with this but maybe someone from BR can take over this ticket? [2022-03-08 14:08:08.849119] [ information | ctrlx-CORE] Connected to OPC-UA Server. [2022-03-08 14:08:08.849119] [ information | ctrlx-CORE] security policy is: Basic256Sha256 [2022-03-08 14:08:08.849119] [ information | ctrlx-CORE] message security mode is: Sign [2022-03-08 14:13:04.580034] [notification | ctrlx-CORE] Attempting to reconnect to 'opc.tcp://192.168.1.1:4840'. [2022-03-08 14:13:14.864533] [ error | ctrlx-CORE] Connection error. [2022-03-08 14:13:14.864533] [ error | ctrlx-CORE] service_type(): OpenSecureChannel [2022-03-08 14:13:14.864533] [ error | ctrlx-CORE] error(): BadTimeout [2022-03-08 14:13:14.864533] [ error | ctrlx-CORE] client_side_error(): no [2022-03-08 15:16:43.268523] [ error | ctrlx-CORE] Connection error. [2022-03-08 15:16:43.268523] [ error | ctrlx-CORE] service_type(): OpenSecureChannel [2022-03-08 15:16:43.268523] [ error | ctrlx-CORE] error(): BadCommunicationError [2022-03-08 15:16:43.268523] [ error | ctrlx-CORE] client_side_error(): no [2022-03-08 15:16:48.627143] [ error | ctrlx-CORE] Connection error. [2022-03-08 15:16:48.627143] [ error | ctrlx-CORE] service_type(): ActivateSession [2022-03-08 15:16:48.627143] [ error | ctrlx-CORE] error(): BadSessionIdInvalid [2022-03-08 15:16:48.627143] [ error | ctrlx-CORE] client_side_error(): no Regards, Sascha
... View more