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Fast OPC servers for Siemens are based on COM/DCOM technology following OPC specification and supports S7 MPI serial Profibus communication and S7 TCP/IP protocol on Ethernet and it can be used. Jan 12, 2017  This is video for OPC Scout server configuration using Simatic manager software with Siemens S7 300 series PLC. Skip navigation. OPC Server Configuration l OPC Scout l Siemens.

Description Problem when trying to monitor items with OPC Scout V10 client with open62541 server (bin/examples/server) If I try to monitor 'current time' item: OPC Scout V10 shows: For subscriptions: Type: null Result: Bad_WaitingForInitialData and it does not show any value On the right ('Properties' tab), all seem to be correct. PublishResponse seem to be valid: If I click on read, the value are displayed: If I try to write a value with OPC Scout, I have: Can we have a problem with Data type in PublishResponse? Has anyone ever tried open62541 server with OPC Scout V10 client? Checklist Please provide the following information: • open62541 Version master • Other OPC UA SDKs used (client or server). Hey the standard describes the diagnosticinfos in a DataChangeNotification as follows: List of diagnostic information.

The size and order of this list matches the size and order of the monitoredItems parameter. There is one entry in this list for each Node contained in the monitoredItems parameter. This list is empty if diagnostics information was not requested or is not available for any of the MonitoredItems. DiagnosticInfo is a common type defined in 7.8. We can add diagnosticinfos to behave like opcua.demo-this.com.

But it is additional overhead that is not required. The notification message is built here.