Method for controlling a device and machine module arrangement as well as an engineering system and runtime system for implementing the method

There is described an engineering systems and generating projects. The projects are used by runtime systems for the control of device and machine modular arrangements. The projects are not completely unmodifiable, instead an individualization layer is provided: particular data input possibilities for base data used by the runtime system are provided with an attribute, which gives whether the data entry in the project shall be unmodifiable or whether said entry may be optionally modifiable by the runtime system. A change is correspondingly optionally carried out with the runtime system. The actual core of the project, however does not need to be re-programmed such that a reversion to the engineering system is not necessary.