Patent ID: 7453902

Claim:
A system for the failsafe transmission of data, comprising: at least one one-channel component, the component comprising: an interface for connecting the component via a bus to a failsafe computer unit; a communication driver maintaining the data in standard and non-standard form, wherein the communication driver maintains a marker value indicating whether safe replacement values or real values are used, wherein the marker value is in standard and non-standard form, and wherein a checksum is generated in the communication driver from the data maintained in non-standard form; and a program run control for monitoring a program flow; and wherein the one-channel component is provided with a disabled failsafe data supplement and an active failsafe one-channel communication driver for at least intermittent use in applications that are without relevance to safety for the failsafe data supplement, and wherein the failsafe data supplement is released during intermittent disabled failsafe data supplement use in applications with relevance to safety.