Patent ID: 8260884

Claim:
A method for configuring a secure bus subscriber connected to a field bus in a secure control system, the secure bus subscriber being assigned a defined subscriber address, the method comprising: sending an address allocation message from a control unit connected to the field bus to the secure bus subscriber, the address allocation message comprising the defined subscriber address, wherein the address allocation message is sent on the basis of planning data for the secure bus subscriber connected to the field bus which are stored in the control unit, wherein planning data stored in the control unit comprise a link between a physical position of the secure bus subscriber within a bus system and the subscriber address assigned to the bus subscriber, storing the defined subscriber address in a memory in the secure bus subscriber, sending an acknowledgement message from the secure bus subscriber to the control unit, the acknowledgement message comprising the defined subscriber address, sending a parameter transfer message from the secure bus subscriber to the control unit, and verifying, by the control unit, by means of comparison with parameters transmitted by the secure bus subscriber, the planning data for the secure bus subscriber that are stored in the control unit.