Examples Of The Function Of The Central Gateway Module (ZGM)

The DME and DSC control units both place messages on the PT-CAN. Those messages are received by the Central Gateway Module from the PT-CAN. The buffer memory on the Central Gateway Module temporarily stores the messages from the PT-CAN.

Fig 1: Central Gateway Module (ZGM) Function Diagram (Example)

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They are converted by the Central Gateway Module according to specific gateway rules and conversion tables for the K-CAN System Bus. As the K-CAN System Bus is slower than the PT-CAN, the two messages are joined together and are sent out as one message. The messages reach their destinations (IHKA/Kombi) via the K-CAN SYSTEM bus.