A method for distributing a data stream in a value-document processing apparatus from at least one sensor (31, 32, 33, 34, 35) to at least one processing unit (61, 62, 63, 64, 65), wherein the value-document processing apparatus comprises a distributing device and at least one processing unit (61, 62, 63, 64, 65) and the distributing device has at least two data interfaces (85a, 85b, 85c), characterized by the following steps: a. creating a sensor data packet comprising sensor data and a target address, wherein the target address describes a physical memory address of one of the at least one processing unit (61, 62, 63, 64, 65); b. sending the sensor data packet to one of the data interfaces (85a, 85b, 85c) of the distributing device; c. receiving the sensor data packet at the one data interfaces (85a, 85b, 85c) of the distributing device; d. relaying the sensor data packet by the distributing device to the at least one processing unit (61, 62, 63, 64, 65), wherein the distributing device i. establishes relaying parameters according to the target address and ii. selects a further data interface (85d, 85e) for outputting the sensor data packet to the at least one processing unit (61, 62, 63, 64, 65) in dependence on the target address of the sensor data packet and on relaying parameters; e. receiving the sensor data packet by the at least one processing unit (61, 62, 63, 64, 65); and f. depositing the sensor data in the memory address given by the target address of the at least one processing unit (61, 62, 63, 64, 65), wherein the distributing device is connected by means of at least two data interfaces (85a, 85b, 85c) to at least two processing units (61, 62, 63, 64, 65), wherein the distributing device passes on the received sensor data packet to two data interfaces (85d, 85e), wherein the distributing device copies the sensor data packet according to the number of the data interfaces (85d, 85e). a. creating a sensor data packet comprising sensor data and a target address, wherein the target address describes a physical memory address of one of the at least one processing unit (61, 62, 63, 64, 65); b. sending the sensor data packet to one of the data interfaces (85a, 85b, 85c) of the distributing device; c. receiving the sensor data packet at the one data interfaces (85a, 85b, 85c) of the distributing device; d. relaying the sensor data packet by the distributing device to the at least one processing unit (61, 62, 63, 64, 65), wherein the distributing device i. establishes relaying parameters according to the target address and ii. selects a further data interface (85d, 85e) for outputting the sensor data packet to the at least one processing unit (61, 62, 63, 64, 65) in dependence on the target address of the sensor data packet and on relaying parameters; i. establishes relaying parameters according to the target address and ii. selects a further data interface (85d, 85e) for outputting the sensor data packet to the at least one processing unit (61, 62, 63, 64, 65) in dependence on the target address of the sensor data packet and on relaying parameters; e. receiving the sensor data packet by the at least one processing unit (61, 62, 63, 64, 65); and f. depositing the sensor data in the memory address given by the target address of the at least one processing unit (61, 62, 63, 64, 65), wherein the distributing device is connected by means of at least two data interfaces (85a, 85b, 85c) to at least two processing units (61, 62, 63, 64, 65), wherein the distributing device passes on the received sensor data packet to two data interfaces (85d, 85e), wherein the distributing device copies the sensor data packet according to the number of the data interfaces (85d, 85e).