The executable software of a Desigo component is composed of programs. There are system and product components.
System components are:
- System blocks for controlling the plant
- System interfaces which are implemented in every component and which control the data traffic between the components
Product components are the local subroutines responsible for the internal consistency of setup, startup, shutdown, navigation and display, etc. among the individual components.
There are two parameter types:
- Setting parameters: System and product components have predefined default settings. These values are application-independent, but always lie within the system limits.
- Configuration parameters: The system and product components have a basic configuration. The basic configuration of certain blocks is not complete and must be supplemented during engineering with, e.g., addresses of the I/O blocks.
The library or project engineers can adapt the setting and configuration parameters to the plant or project conditions.