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

Appendix

A.1

Abbreviations

AWG American Wire Gauge
B-MPI Handheld unit with MPI connection
BERO Proximity limit switch
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
DCP Discovery and basic Configuration Protocol (standard for assigning IP addresses)
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
HMI Human Machine Interface: SINUMERIK operator interface for operating, programming and simulation
HSC High-Speed Cutting
HT Handheld Terminal
LED Light-emitting diode light-emitting-diode display
MAC Media Access Control
MCP Machine Control Panel
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
NVM Non-Volatile Memory: non-volatile memory
NX Numerical eXtension (axis extension module)
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
RAM Random Access Memory: Program memory which can be read and written into
NCU 7x0.3 PN, NCU 7x0.3B PN
Manual, 06/2014, 6FC5397-1EP40-5BA1
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