3.3 Abbreviations

Table 2 – Abbreviations and definitions
Abbreviation Definition of Abbreviation
CPUCentral Processing Unit
DOFDegrees of freedom
ERPEnterprise Resource Planning
HMI Human Machine Interface
HTTPHypertext Transfer Protocol
MESManufacturing Execution System
OPC Open Platform Communications
OPC UAOPC Unified Architecture
OPC 10000-100

OPC Unified Architecture for Devices (DI)

OPC Unified Architecture - Part 100 – Devices

PLCProgrammable logic controller
PMSPreventive Maintenance System
TCPTool center point
TCP/IP Transmission Control Protocol/Internet Protocol
TCSTool Coordinate System
UPSUninterruptible Power Supply
URIA uniform resource identifier (URI) is a string of characters used to identify names or resources on the Internet. The URI describes the mechanism used to access resources, the computers on which resources are housed and the names of the resources on each computer.
URLUniform resource locator
VDMA The Mechanical Engineering Industry Association (VDMA) represents more than 3,200 member companies in the SME-dominated mechanical and systems engineering industry in Germany and Europe.