Abbreviations

C.1 Abbreviations

Abbreviation

Term

Definition

HW

Hardware

 

I/O

Input/Output

Data input/output on computers

IDE

Integrated Device Electronics

An interface for hard disk drives in which the

 

 

controller electronics are located on the drive

 

 

itself. This saves an extra adapter board.

IEC

International Electronical Commission

 

IGBT

Insulated Gate Bipolar Transistor

Compact chip featuring short switching cycles

 

 

and high current-carrying capacity.

IP

Ingress Protection

Degree of protection

IR

Infrared

Infrared

IRDA

Infrared Data Association

Standard for data transfer via IR module

IRQ

Interrupt Request

Interrupt request

ISA

Industry Standard Architecture

Bus for expansion modules. PC bus system

 

 

introduced by IBM in the year 1981; controls data

 

 

flow between the processor and the

 

 

interfaces/module cards.

IT

Information Technology

Information technology

LAN

Local Area Network

Computer network that is limited to a local area.

LCD

Liquid Crystal Display

Liquid crystal display

LEDs

Light Emitting Diode

LEDs

LPT

Line Printer

Printer port

LVDS

Low Voltage Differential Signaling

 

LW

Disk drive

 

MAC

Media access control

Media access control

MC

Memory Card

Memory card in credit card format

MLFB

Machine-readable product designation

 

MMC

Micro Memory Card

Memory card with the format 32 x 24.5 mm

MPI

Multipoint-capable interface for

Programming interface of SIMATIC S7/M7.

 

programming devices

Allows central access to programmable modules,

 

 

text-based displays and OPs. The nodes can

 

 

intercommunicate.

MS-DOS

Microsoft Disc Operating System

Standard PC operating system, a single-user

 

 

system

MTBF

Mean Time Between Failures

 

MUI

Multilanguage User Interface

Language localization in Windows

NA

Not Applicable

 

NAMUR

Normenarbeitsgemeinschaft für Mess- und

 

 

Regelungstechnik in der chemischen

 

 

Industrie

 

NC

Not Connected

Not connected

NEMA

National Electrical Manufacturers

Syndicate of manufacturers of electrical

 

Association

components in the USA

NMI

Non Maskable Interrupt

Interrupt the processor can not reject

NTFS

New Techniques File System

Secure file system for certain versions of

 

 

Windows (NT, 2000, XP)

OPC

OLE for Process Control

Standardized interface for industrial processes

C-4

SIMATIC Rack PC IL 43

Operating Instructions, Edition 09/2005, A5E00432875-01

Page 92
Image 92
Siemens PCIL43 Ide, Iec, Igbt, Irda, Irq, Isa, Lcd, Lvds, Mac, Mlfb, Mmc, Mpi, Ms-Dos, Mtbf, Mui, Namur, Nema, Nmi, Ntfs