Siemens SINUMERIK 840D sl Equipment Manual page 160

Appendix
A.2 Abbreviations
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
IPC Industrial PC
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 Panel Control Unit: "SIEMENS Industry PC" with basic PCU software
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
TCU Thin Client Unit (communication with operator panels)
TS Teleservice
VDE Association of Electrical Engineering, Electronics and Information Technology (Germany)
Full duplex An Ethernet/PROFINET port can simultaneously transmit and receive data.
160
Equipment Manual, 10/2020, 6FC5397-1EP40-6BA1
NCU 7x0.3B PN