1. A device for the simulation of the configuration and the process in a development environment, said development environment comprising: a development system ( 1 ) with a real automation device ( 4 ) for controlling and regulating a test run of a test bench ( 2 ) on which for a unit under test is arranged_and with a number of real development tools ( 5 ) for analyzing data obtained from the test bench ( 2 ) or from the unit under test; a simulation device ( 6 ) comprising a test model ( 20 ) for simulating the test bench ( 2 ) and the unit under test, whereas said test model ( 20 ) generates simulation data ( 22 , 24 ); a plurality of device models ( 7 ) for simulating behavior of data collection devices, whereas said device models ( 7 ) at least partially process simulation data ( 24 ) from the test model ( 20 ) and generate development data ( 23 , 25 ); said real automation device ( 4 ) and said simulation device ( 6 ) being connected to each other via a real interface ( 8 ) of the development system ( 1 ) and the automation device ( 4 ) processes generated simulation data ( 22 ) received via the interface ( 80 ); and said real development tools ( 5 ) are connected to the automation device ( 4 ) and/or to the simulation device ( 6 ) via real interfaces and receive and process the development data ( 23 , 25 ); wherein said simulation device ( 6 ) includes a simulation of a dynamometer of said test bench ( 2 ).