Datatype Support

The following table lists the supported Historian data types and their sizes:
Data TypeSize
Single Float4 bytes
Double Float8 bytes
Single Integer2 bytes
Double Integer4 bytes
Quad Integer8 bytes
Unsigned Quad Integer8 bytes
Unsigned Single Integer2 bytes
Unsigned Double Integer4 bytes
Byte1 byte
Boolean1 byte
Fixed StringConfigured by user.
Variable StringNo fixed size.
Binary ObjectNo fixed size.

Historian does not support the use of the Binary Object data type with the Data Collectors. Refer to the SDK online Help for more information on working with BLOB data types.

Scaled2 bytes