03.06
A-94
© Siemens AG, 2006. All rights reserved
SINUMERIK 840D Configuring Manual NCU (PHD) – 03.06 Edition
Main Spindle Drive
Numerical Control
Numerical Control Kernel: NC kernel with block preparation, traversing range,
etc.
Numerical Control Unit – Hardware Unit of the NCK
Mains Supply
Non Maskable Interrupt
Unstabilized power supply
Operator Panel: Operator panel front
Operator Panel Interface
Personal Computer Memory Card International Association
Personal Computer Unit: NC controller component which allows the operator to
communicate with the machine and vice versa.
Programming device
Programmable Logic Control
Process Field Bus: Serial data bus
Power Supply: SIMATIC S7-300 power supply
Random Access Memory: Program memory that can be read and written to
Static RAM: Static memory (battery-backed)
End User Interface
Video Graphics Adapter
MSD
NC
NCK
NCU
NE
NMI
OI
OP
OPI
PCMCIA
PCU
PG
PLC
PROFIBUS
PS
RAM
SRAM
UI
VGA
A Abbreviations
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