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Chapter 1. Cogent Real-Time Glossary

Table of Contents

1.1. Terms Defined in this Glossary
1.2. Definitions

This glossary covers many of the terms you will encounter in discussions related to real-time software, in the context of industrial process control and embedded systems.

1.1. Terms Defined in this Glossary

accuracyObject Management Group (OMG)
AdvanceDDEObject Request Broker (ORB)
ApacheODBC
APIOLE for Process Control (OPC)
applicationOMG
Application Programming Interface (API)OPC
asynchronousOpen DataBase Connectivity (ODBC)
C/C++open modular architecture
clientopen modular system
COMORB
Component Object Model (COM)OS9
Common Object Request Broker Architecture (Corba)PDPE
ControlNetpeer-to-peer networking
CorbaPerl
datahubPhoton
Data Highway / Data Highway PlusPID Loops
DCOMPLC
DCSpolling
DDEPortable Operating Systems Interface (POSIX)
DelphiPOSIX
determinism/deterministicpriority level
device driverpriority-driven preemptive (PDPE)
DeviceNetprocess
Distributed Component Object Model (DCOM)Profibus
distributed controlProgrammable Logic Controller (PLC)
Distributed Control System (DCS)Proportional, Integral, Derivative (PID)
Dynamic Data Exchange (DDE)pSOS
dynamic data typingPython
eventQNX
event-drivenRAD
exceptionrapid application development (RAD)
exception reportingreal-time
expert systemRate Monotonic Scheduling (RMS)
Extensible Markup Language (XML)real-time database
FastDDEreal-time operating system (RTOS)
fault-tolerancereal-time system
FBDRelay Ladder Logic (RLL)
fieldbusremote access
FIFOrepeatability
first-in, first out (FIFO)resolution
FORTH (pFORTH)resource
Function Block Display (FBD)RLL
GammaRMS
Garbage Collection (GC)RT Linux
GCRTOS
graphical user interface (GUI)rule based system
GUISCADA
Guilescheduling
hard real-timeSend/Receive/Reply (S/R/R) messaging
high-level controlSequential Function Chart (SFC)
HMIserver
hot-standbyservices
HTMLSFC
human machine interface (HMI)SGML
Hypertext Markup Language (HTML)Smalltalk
IconSoftDCS
IEC61131-3SoftPLC
ILsoft real-time
input/output (I/O)SQL
Instruction Listing (IL)S/R/R messaging
interpreterStandard Generalized Markup Language (SGML)
interprocess communication (IPC)Standard Query Language (SQL)
interruptST
InTouchstate machine / state control
I/OStructured Text (ST)
IPCSupervisory Control And Data Acquisition (SCADA)
Javasynchronous
jittertask
kernelTcl
Ladder Logic Display (LD)TCP/IP
LDthread
Linuxtimer
LispTk
low-level controltoken
man machine interface (MMI)Tool Command Language (Tcl)
Management Execution System (MES)Transmission Control Protocol/Internet Protocol (TCP/IP)
memory management unit (MMU)VentureCom
MESVisual Basic
MMIVME bus
MMUVMware
Modbus PlusVxWorks
monolithic controlWindows CE
NetDDEWindows NT real-time extensions
neural network (NN or ANN)Wonderware
NeutrinoXML
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