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 |
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| controller electronics are located on the drive |
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| itself. This saves an extra adapter board. |
IEC | International Electronical Commission |
|
IGBT | Insulated Gate Bipolar Transistor | Compact chip featuring short switching cycles |
|
| and high |
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 |
| |
MMC | Micro Memory Card | Memory card with the format 32 x 24.5 mm |
MPI | Programming interface of SIMATIC S7/M7. | |
| programming devices | Allows central access to programmable modules, |
|
| |
|
| intercommunicate. |
| Microsoft Disc Operating System | Standard PC operating system, a |
|
| 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 |
SIMATIC Rack PC IL 43 | |
Operating Instructions, Edition 09/2005, |