Description

DLL Model Interfaces (DLL) Siemens PSS SINCAL Element and Controller Modelling

Requirements and Use Cases of Siemens PSS SINCAL Element and Controller Modelling

When creating and maintaining user-defined models of equipment, control devices or simulation controls in the model builder (GMB module), the integration of program parts and blocks developed as DLLs as subsystems is also useful in order to address the following requirements:

• Functional extension of models with complex data types and structures as well as functions that are not natively available in GMB
• Development, use and distribution of user-defined function blocks in C, C++ or other programming languages
• Coupling of internal input or output signals of the controllers with other applications running in parallel (if necessary, synchronously)
• Protection of intellectual property in the form of subsystem design or implementation
• Standardized interface for the use of subsystems in different software environments
• Development and testing of control functions in a “Software in the Loop (SiL)” environment

Solution

The two interfaces of the DLL model interface (DLL) module, as part of the Siemens PSS SINCAL dynamics engine, extend the simulation of models created with the graphical model builder (GMB) by integrating user-defined subsystems as a dynamic link library (DLL).

• Integration of external, already compiled DLLs as model subsystems in models created with the GMB
• IEC DLL interface, standardized to IEC 61400-27-1 F
• EXTERN DLL interface of the PSS?SINCAL Platform with simplified definition
• Use of the interface in the LF, LP, ST, EMT calculation methods

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