Glossary

dictionary

Below are some French and English definitions of words and abbreviations often used in automation field.

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There are currently 42 names in this directory
AI
Analog Input

AO
Analog Output

AHU
Air Handling Unit

AS400
Application System/400 : server used in company to manage it

API (fr)
Automate Programmable Industriel (PLC en anglais)

ATEX (fr)
ATmospheres EXplosibles

CFC
Continuous Function Chart : programming language under Siemens Step 7 software

CTA (fr)
Centrale de Traitement d'Air

DI
Digital Input

DO
Digital Output

DCS
Distributed Control System

DFB
Derived Function Block : function in Schneider Electric Unity Pro software

ERP
Enterprise Resource Planning

ESD
Emergency Shut Down or Electrostatic Discharge

FAT
Factory Acceptance Test

FBD
Function Block Diagram : one of the five programming language used for PLCs (norm CEI 61131-3)

GRAFCET fr)
GRAphe Fonctionnel de Commande Etapes Transitions : language utilisé pour programmé les automates, correspond au langage SFC

HMI
Human Machine Interface

HVAC
Heating, Ventilation and Air-Conditioning

IL
Instruction List : one of the five programming language used for PLCs (norm CEI 61131-3)

IHM (fr)
Interface Homme Machine

Ladder
One of the five programming language used for PLCs (norm CEI 61131-3)

MES
Manufacturing Execution Systems

OEM
Original Equipment Manufacturer

OPC
OLE for Process Control (communication protocol)

PL
Performance Level (standard EN ISO 13849-1)

PV
Process Value

PID
Piping and Instrumentation Diagram/Drawing (P&ID)

PLC
Programmable Logic Controller (API in french)

PID controller
Proportional Integral Derivative controller

Revamping
Project wich consists to update the hardware (PLC for example) to improve an existing plant or workshop

Régulateur PID (fr)
Régulateur Proportionnel Intégral Dérivé

SP
SetPoint

ST
Structured text : one of the five programming language used for PLCs (norm CEI 61131-3)

SAP
Systems Applications and Products

SAT
Site Acceptance Test

SCL
Structured Control Language : language under Siemens Step 7 software corresponding to ST language

SFC
Sequential Function Chart : one of the five programming language used for PLCs (norm CEI 61131-3)

SIL
Safety Integrity Level (standard IEC 61508)

SVN
Subversion : software versioning under Apache License

SCADA
Supervisory Control and Data Acquisition

UIC (fr)
Union des Industriels de la Chimie


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