Insights! Connecting medical devices from different manufacturers to a common control unit. The history of CAN and CANopen in medical technology started many years ago. In 1992 Philips Medical Systems developed a software protocol for use in its patient tables and x-ray systems. This first approach served as the basis for the so called CAL protocol, which evolved into today‘s CANopen protocol. CANopen is today a well-established and secure communication standard, which is used for many medical devices. The background Modern medical devices consist of a multitude of modules, which are connected to one another. By using a standardized bus system such as CANopen, individual system components – such as X-ray generators, patient tables or injectors – can be independently devel

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