The aim of development of the CSC01 consists of using only one micro-controller and thus to simplify, ultimately to reduce costs. Therefore the two-channel capability is realized within the micro-controller. This solution approach requires an increased effort in the diagnosis functions for the micro-controller (e.g. RAM, FLASH, stack, register, addressing, Op-code) and the periphery (e.g. timer, oscillator) and in the logical and temporal monitoring of the program execution.

The CSC01 is based on a micro-controller, pre-programmed with a safety-relevant permanent firmware which contains the CANopen Safety protocol and the diagnostics functions. The user-specific software, realizing the application-specific safety functions, can be downloaded to the CSC01 to accomplishing the permanent firmware.

A well thought out data and function interface enables communication between both parts of software. Consequently, using the interface the application can access the CANopen functionality, the safety-relevant data and the object directory. It is possible to extend the object directory by several entries.