List of abbreviations
Job planning
A-4 Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0
NCK Numerical Control Kernel: NC kernel with block preparation, traversing range, etc.
NCU Numerical Control Unit: Hardware unit of the NCK
NRK Name for the operating system of the NCK
NURBS Non-Uniform Rational B-Spline
OB Organization block in the PLC
OEM Original Equipment Manufacturer
OP Operator Panel
OP Operator Panel: Operating setup
OPI Operator Panel Interface
OPI Operator Panel Interface: Interface for connection to the operator panel
OPT Options: Options
OSI Open Systems Interconnection: Standard for computer communications
P bus Peripheral Bus
PC Personal Computer
PCIN Name of the SW for data exchange with the control
PCMCIA Personal Computer Memory Card International Association: Standard for plug-in
memory cards
PCU PC Unit: PC box (computer unit)
PG Programming device
PLC Programmable Logic Control: Interface control
PLC Programmable Logic Controller
PMS Position measuring system
POS Positioning
RAM Random Access Memory: Program memory that can be read and written to
REF Reference point approach function
REPOS Reposition function
RISC Reduced Instruction Set Computer: Type of processor with small instruction set and
ability to process instructions at high speed
ROV Rapid override: Input correction
RPA R-Parameter Active: Memory area on the NCK for R parameter numbers
RPY Roll Pitch Yaw: Rotation type of a coordinate system
RS-232-C Serial interface (definition of the exchange lines between DTE and DCE)
RTS Request To Send: RTS, control signal of serial data interfaces
SBL Single Block: Single block
SD Setting Data
SDB System Data Block
SEA Setting Data Active: Identifier (file type) for setting data
SFB System Function Block
SFC System Function Call
SK Softkey
SKP SKiP: Skip block
SM Stepper Motor
SPF Sub Routine File: Subroutine
SR Subroutine
SRAM Static RAM (non-volatile)
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