摘要 |
The propulsion system (1) has drive units (4-8) that are provided with a power unit (9) and a programmable controller (12). The programmable controller (12) is connected together with a programmable controller (3) over a control line (13). The programmable controller (12) is provided with a program for generating and allocating with virtual user identification in the propulsion system and to register with user identification at the controller (3). |