Siemens SINUMERIK 828D Manual page 153

EGB Electrostatic Sensitive Devices
EMC Electromagnetic compatibility
EN European standard
ESD Electrostatic discharge: elektrostatische Entladung
GSM Global System for Mobile Communications: Worldwide standard for wireless transmission of voice, data,
fax and text messages (SMS).
HMI Human Machine Interface: SINUMERIK operator interface for operating, programming and simulation
LEDs Light-emitting diode light-emitting-diode display
MAC Media Access Control
MCP Machine control panel: Machine control panel
MLFB Machine-Readable Product Code
MPI Multi-Point Interface Multi-point interface
N.C. Not connected: Connection unassigned
NCK Numerical Control Kernel: NC kernel with block preparation, traversing range, etc.
NX Numerical eXtension (axis extension module)
OLP Optical Link Plug: Fiber-optic bus connector
OP Operator Panel : Operator panel front
PCU PC Unit: Computer unit
PG Programming device
PLC Programmable Logic Control: Programmable logic control (component of the CNC controller)
PN PROFINET
QWERTY keyboard assignment: American keyboard layout, the first six letters in the top row of letters, read from left
to right.
RAM Random Access Memory: Program memory which can be read and written into
S/R Steps per rotation
SLM Smart Line Module
SMC Cabinet-mounted sensor modules
SME Sensor Module External
SRAM Static RAM: Static memory (battery-backed)
USB Universal Serial Bus: Bus system for connecting additional devices to a computer
VDE Association of Electrical Engineering, Electronics and Information Technology (Germany)
SINUMERIK SINUMERIK 828D PPU
Manual, 06/2009, 6FC5397-2DP10-0BA0
Appendix
A.2 Abbreviations
153