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CIU (Control Interface Unit)

The CIU is a "translator" between the control unit (EMS) and the customer's own control panel. The CIU has two serial communication links, one fast and one slow.

The fast one is a so-called CAN link. All data related to instruments, indication lamps, connectors and poten- tiometers is controlled by this link.

The slow link manages diagnostic information for flash- ing codes etc.

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