A Abbreviations - Siemens SINUMERIK 810DE powerline Equipment Manual

A Abbreviations

LED
Light Emitting Diode
MCP
Machine Control Panel
MLFB
Machine-Readable Product Designation (order no.)
MPI
Multi Point Interface: Multi-point serial interface
MS
Mains Supply
MSD
Main Spindle Drive
NC
Numerical Control
NCK
Numerical Control Kernel: NC kernel with block preparation, traversing range,
etc.
NCU
Numerical Control Unit: NCK hardware unit (SINUMERIK 840D)
OI
Unstabilized power supply
OP
Operator Panel
OPI
Operator Panel Interface
P-bus Peripherals Bus
PCMCIA
Personal Computer Memory Card International Association
PCU
Personal Computer Unit: NC controller component which allows the operator to
communicate with the machine and vice versa.
PG
Programming device
PLC
Programmable Logic Control
PROFIBUS
Process Field Bus: Serial data bus
PS
Power Supply (SIMATIC S7-300)
RAM
Random Access Memory: Program memory that can be read and written to.
SM
SIMATIC S7-300 Signal Module, e.g. I/O modules
SRAM
Static RAM: Static memory (battery-backed)
VGA
Video graphics adapter
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SINUMERIK 810D Equipment Manual Configuration CCU (PHC) – 03/2006 Edition
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