Mapping of the datatypes

SqlDrv -> Creating variables -> Driver objects and datatypes -> Mapping of the datatypes
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All variables in zenon are derived from IEC data types. The following table compares the IEC datatypes with the datatypes of the PLC.

Example for all possible zenon data types:

PLC

zenon

I8

i/u8Bit (signed)

I16

i/u16Bit (signed)

I32

i/u32Bit (signed)

U8

i/u8Bit

U16

i/u16Bit

U32

i/u32Bit

F32

float32

Boolean

Boolean

string

String

Data type

The property "Datenart" is the internal numerical name of the data type. It is also used for the extended DBF import/export of the variables.