LabVIEW and DeviceNet support different data types. The following table lists each LabVIEW data type, its equivalent data type in the DeviceNet protocol, and a brief description. These data types apply to the Real-Time CompactRIO controller, PCI, and PXI.

Table 1. LabVIEW and DeviceNet Data Types
LabVIEW DeviceNet Description
I8 SINT 8-bit signed integer
I16 INT 16-bit signed integer
I32 DINT 32-bit signed integer
U8 USINT 8-bit unsigned integer
U16 UINT 16-bit unsigned integer
U32 UDINT 32-bit unsigned integer
TF (Boolean) BOOL Boolean value
String (0-FF hex) SHORT_STRING ASCII character string: The length of the string ranges from 0 to FF.
String (0-FFFF hex) STRING ASCII character string: The length of the string ranges from 0 to FFFF.
SGL REAL 32-bit floating point
DBL LREAL 64-bit floating point