List Of Abbreviations; Abbreviations - Siemens SINUMERIK 840D sl Commissioning Manual

List of abbreviations

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Abbreviations

CF CompactFlash card: Memory card
CFS Cluster File System
DCK Direct Control Keys: Direct control keys
DCP Discovery and Basic Configuration Protocol
DHCP Dynamic Host Configuration Protocol: Dynamic assignment of an IP address and other configuration
parameters on a computer in a network
DNS Domain Name System: Conversion of domain names into IP addresses
EBS Emergency Boot System
EKS Electronic Key System: System to check the identity of a user (authentication system)
EUNA End User Notification Administration
HMI Human Machine Interface: Operator interface
IRT Isochronous Realtime (Ethernet)
LLDP Link Layer Discovery Protocol: multi-vendor Layer 2 Protocol defined in accordance with the IEEE-
802.1AB standard, allows information to be exchanged between devices.
MAC Media Access Control: The MAC address is a 48-bit Ethernet ID.
MCP Machine Control Panel: Machine control panel
MPI Multi-Point Interface: Multiple interface
MUI Multilanguage User Interface
NAT Network Address Translation
NCK Numerical Control Kernel: NC kernel with block preparation, travel range, etc.
NCU Numerical Control Unit: NCK hardware unit
NRT Non-Realtime (Ethernet)
NTFS New Technology File System
NTP Network Time Protocol: Standard for synchronizing clocks in the entire network
NTPD NTP Daemon:
Utility that runs in the background and does not have to be started by the user.
PCU PC Unit: Computer unit
PDEV Physical device
PG Programming device
PLC Programmable Logic Control: Programmable logic controller
RAM Random Access Memory: Program memory which can be read and written into
RDY Ready: The system is ready to operate.
RFC Remote Function Call
SNMP Simple Network Management Protocol (network protocol for monitoring and controlling network elements
such as routers, servers, switches, and printers from a central station).
SSD Solid State Drive
SSH Secure Shell: Protocol for an encrypted network connection with a remote device
PCU Base Software (IM10)
Commissioning Manual, 03/2013, 6FC5397-1DP40-3BA1
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