IEC Symbol Set Configuration For the configuration of IEC symbols for the exchange with other controllers, CODESYS Communication provides the new IEC Symbol Publishing object with a new editor for the

Symbol Configuration Tip For providing symbols to an OPC UA Server, we recommend using the Communication Manager with the new configuration editor ( IEC Symbol Set Configuration ) for CODESYS 3.5 SP18

Using OPC UA Information Models The OPC UA information models provide plant information according to the OPC UA standard. This plant data contains both data and metadata, such as data origin, data qua

Mapping of OPC UA Types to IEC Types Mapping of base data types Table 1 . Base data types OPC UA IEC Description Basic types Boolean BOOL Byte BYTE SByte SINT Int16 INT UInt16 UINT INT32 DINT UInt32 U

Editing the Type Mapping The type mappings of the remote data types to the local data types are shown in the editor of the data source: Type Mappings tab. Example 3 . Example Figure 1 . Datasource edi

Initially Adding a Data Source For data exchange between your local device and a remote device, add a Data Sources Manager object and then a Data Source below your application in the device tree. A wi

Editing Data Source Variables At runtime, the remote data is saved to the data source variables. The data source variables and their mapping to the remote variables are displayed in the data source ed

Editing the Communication You have added a Data Sources Manager object and below it a Data Source object below your application in the device tree. The connection parameters are displayed in the data

Updating the Data Interface The data source variables are updated cyclically at runtime. Only the data is updated that either is used in the current visualization or has the property Update always . Y

Using Remote Data The variables that are listed in the data source editor of the Variables tab (and declared in the DataSources_Objects folder) can be used in your application like IEC variables. For