Siemens SIMATIC IPC677D Operating Instructions Manual page 180

List of abbreviations
B.1 Abbreviations
Abbreviation Term
NAMUR Normenarbeitsgemeinschaft for Mess- und
Regelungstechnik in der chemischen Industrie
(standardization body for instrumentation and
control technology in the chemicals industry)
NC Not Connected
NCQ Native Command Queuing
NEMA National Electrical Manufacturers Association
NMI Non Maskable Interrupt
NTFS New Techniques File System
ODD Optical Disk Drive
OPC OLE for Process Control
OSK On Screen Keyboard
PATA Parallel ATA
PC Personal computer
PCI Peripheral Component Interconnect
PCIe Peripheral Component Interconnect express
PCMCIA Personal Computer Memory Card Interna-
tional Association
PI Protective Earth
PEG PCI Express Graphics
PG Programming device
PIC Programmable Interrupt Controller
PIC-E Peripheral Component Interconnect Express
POST Power On Self Test
PXE Preboot Execution Environment
RAID Redundant Array of Independent Disks
RAL Restricted Access Location
RAM Random Access Memory
RI Ring Input
ROM Read-Only Memory
RS 485 Reconciliation Sublayer 485
RTC Real Time Clock
RTS Reliable Transfer Service
RxD Receive Data
SATA Serial Advanced Technology Attachment
SCSI Small Computer System Interface
SDRAM Synchronous DRAM
180
Meaning
Not connected
Automatic re-sorting of the file and disk access, for
increased performance
Syndicate of manufacturers of electrical components
in the USA
Interrupt the processor can not reject
Secure file system for Windows versions (2000, XP,
7)
Standardized interface for industrial processes
Screen keyboard emulated by operating system
High-speed expansion bus
High-speed serial, differential full-duplex PtP inter-
face with high data rate.
Protective conductor
Programmable interrupt controller
Software for running new PCs without hard disk data
via the network
Redundant hard disk array
Installation of device in operating facilities with re-
stricted access - for example, a locked switchgear
cabinet
Incoming call
Bi-directional bus system designed for up to 32
nodes
Real-time clock
Request to send
Data transfer signal
Operating Instructions, 09/2014, A5E32995420-AC
SIMATIC IPC677D