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14 Database Editor: Creation of a project database

The basis for the interpretation and symbolic display of the data transmitted in the CAN message is the project database. In this, a CAN message is first assigned a name according to its identifier. The message can contain up to 64 individual data (signals). Each signal can be interpreted as an analog information, digital information or string value:

"Analog signals" are described by their position in the CAN-panel, length, data type and data format (Intel/Motorola), scaling, offset, value range and physical unit.
Individual values of "state signals" can be allocated symbolic identifiers and displayed as text.
"String signals" are interpreted as ASCII-string.

The signals of a message are described in the project database in a specific XML-Format.

Instructions on step-by-step creation of an example database can be found here. Alternatively, this example database can also be found as "SampleDB.xml" in the archive of the configuration files (Download here).