Function module for an electronic access control
AssigneeMurrelektronik GmbH
InventorsIngo Wolff, Bastian Baier
Life of this patent
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Abstract
The disclosure relates to a function module for an electronic access control to a housing in electrical equipment. Electronic built-in modules are arranged in the housing. At least one of the built-in modules is connected to a data bus, wherein the built-in module is accessible via an interface and the data bus for the exchange of data. A switchable blocking module is provided according to the invention between the interface and the data bus, wherein the blocking module in a disable state restricts or interrupts the data traffic on the data bus at least for a data exchange between the interface and the built-in module, and in an enable state enables the data bus for an unrestricted exchange of data between the interface and the built-in module.
Claims16
A function module for an electronic access control to a housing in electrical systems, wherein a plurality of electronic built-in modules are arranged in the housing, wherein at least one of the plurality of built-in modules is connected to a data bus and to an interface via the data bus, wherein the at least one of the plurality of built-in modules is accessible via the interface for the exchange of data, the function module comprising:
- a blocking module disposed between the interface and the data bus;
- said blocking module having a disable state and an enable state, wherein said blocking module, in said disable state, restricts or interrupts data traffic on the data bus at least for a data exchange between the interface and the at least one of the plurality of built-in modules and, in said enable state, enables the data bus for a free exchange of data between the interface and the at least one of the plurality of built-in modules;
- a control unit having a control line;
- said blocking module being controlled by said control line of said control unit;
- and,
- said control unit being configured to check an authentication.
Dependencies are inferred from the claim text.