Comtrol UP DeviceMaster Quick Start - Manual (Page 7)

DeviceMaster UP EtherNet/IP Quick Start: 2000478 Rev. D Overview - 7
Overview
Data Type Definitions
The following data type definitions apply in this Interface Configuration Guide.
Data Type Definition
USINT Unsigned short integer (8-bit)
UINT Unsigned integer (16-bit)
UDINT Unsigned double integer (32-bit)
BYTE Bit string (8-bit)