List of abbreviations
A.1 Abbreviations
Fundamentals
A-4 Programming Manual, 10.2004 Edition, 6FC5 298-7AB00-0BP1
LR Position Controller
LUD Local User Data
MB Megabyte
MD Machine Data
MDI Manual Data Automatic: Manual input
MC Measuring Circuit
MCS Machine Coordinate System
MLFB Machine-Readable Product Designation
MMC Man-Machine Communication: User interface on numerical control systems for
operator control, programming and simulation
MPF Main Program File: NC parts program (main program)
MPI Multiport Interface: Multiport Interface
MS Microsoft (software manufacturer)
MCP Machine Control Panel
NC Numerical Control: Numerical Control
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
IS Interface Signal
NURBS Non-Uniform Rational B-Spline
ZO Zero offset
OB Organization Block in the PLC
OEM Original Equipment Manufacturer
OP Operator Panel: Operating setup
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 (computing unit)
PG Programming Device
PLC Programmable Logic Control: Programmable logic control
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
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