OPCUA and DDS protocol signal conversion device, communication system and communication method
A protocol signal and conversion device technology, applied in the field of communication, can solve the problem of not combining communication standards at the same time, and achieve the effect of low delay and high throughput
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[0057] Take Modbus device A connected to OPCUA based on TCP as an example:
[0058] 1) Map device A to the OPCUA address space. Device A is mapped to the Object node Device A of OPCUA, and the access mode TCP is set as the FolderType node type. The registers of the device are grouped according to the Modbus register type, and the node type of each group is FolderType. The type node DeviceType inherited from ObjectTypes is designed, and the device IP , port, device number (set automatically by the system) and other attributes are set as Property type nodes, and the Device A node is connected through the HasType Definition type reference, and the node type RegisterValueType inherited from BaseDataVariableTypes is designed, and the register properties, register type and register address are set as The Property type node is connected to RegisterValueType through the HasProperty reference type, and the register node references RegisterValueType through the HasTypeDefination type. ...
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