Mapping of the datatypes

AllenDF1 -> 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.

Examples for all possible 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

zenon data types

Allen Bradley data types

data bit

bit or binary

data byte

Byte

data word

Integer

data doubleword

doubleword

data float

float

data 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.