Appendix; Abbreviations; A.1 Abbreviations - Siemens SINUMERIK 840D sl Manual

Appendix

A.1

Abbreviations

AWG American Wire Gauge
BERO Proximity limit switch
B-MPI Handheld unit with MPI connection
CAT5 Quality class (category) for shielded twisted-pair cables. Class 5 states that these cables have a
particularly low damping factor, making them suitable for 100 Mbit/s-FastEthernet networks.
CBA Component Based Automation: Component Based Automation
CNC Computerized Numerical Control Computerized numerical control
CPU Central Processing Unit Central processing unit
CRC Cyclic redundancy check: Checksummenprüfung
DIN Deutsche Industrie Norm (German Industry Standard)
DIP Dual In–Line Package: Dual in-line arrangement
DP Distributed I/O
DRAM Dynamic Random Access Memory
DRIVE-CLiQ Drive Component Link with IQ
EGB Electrostatic Sensitive Devices
EMC Electromagnetic compatibility
EN European standard
ESD Electrostatic discharge: elektrostatische Entladung
EUI User Interface
Full duplex An Ethernet/PROFINET port can simultaneously transmit and receive data.
HMI Human Machine Interface: SINUMERIK operator interface for operating, programming and simulation
HSC High-Speed Cutting
HT Handheld Terminal
I/O bus I/O bus
LEDs Light-emitting diode light-emitting-diode display
MAC Media Access Control
MCP Machine Control Panel
MLFB Machine-Readable Product Code
MPI Multi-Point Interface Multi-point interface
MPP Machine Push Button Panel
NCK Numerical Control Kernel: NC kernel with block preparation, traversing range, etc.
NCU Numerical Control Unit: NCK hardware unit
NX Numerical eXtension (axis extension module)
OLP Optical Link Plug: Fiber-optic bus connector
OP Operator Panel : Operator panel front
OPI Operator Panel Interface
NCU
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