Patent ID: 11868291
Assignee: SIEMENS AKTIENGESELLSCHAFT
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 9:
10. A method for transferring data in a data transfer system comprising a bus system, a master unit and at least one slave unit allocated to the master unit and connected to the bus system, and a monitor unit connected between the master unit and the bus system, the method comprising:
with the monitor unit
receiving messages sent from the master unit and interrupt requests sent via an interrupt request line from every slave unit allocated to the master unit, and
not forwarding to the bus system polling messages directed from the master unit to an allocated slave unit, and preventing the polling messages from being periodically sent from the master unit via the bus system to the at least one allocated slave unit, until the at least one slave unit sends an interrupt request via the interrupt request line.