Siemens SINUMERIK MCU1720 Equipment Manual page 98

Appendix
A.1 Abbreviations
ECC Error Checking and Correction
EC European Conformity
EGB Electrostatic Sensitive Devices
EMC Electromagnetic compatibility
EN European standard
ESC Escape character
ESD Electrostatic discharge: electrostatic discharge
EWF Enhanced Write Filter
FAQ Frequently Asked Questions
FAT 32 File Allocation Table 32 bit
GND Ground
GPL General Public License
HLA Hydraulic Linear Actor
HMI Human Machine Interface: SINUMERIK operator interface for operating, programming and simulation
HT Handheld Terminal
HTTP Hypertext Transfer Protocol
Hardware Hardware
IE Industrial Ethernet
IEC International Electrotechnical Commission
IO or I/O Input/output
IP Ingress Protection
IPC Industrial PC
IRT Isochronous Realtime: data exchange with isochronous mode
ISO International Standards Organization
KC Korean Certification
LAN Local Area Network
LED Light-Emitting Diode: light-emitting-diode display
LGPL Lesser General Public License
MAC Media Access Control
MC Motion control
MCP Machine Control Panel
MLFB Machine-readable product designation
MPP Machine Pushbutton Panel
NAMUR Standardization association for instrumentation and control systems in the chemical industry
N.C. Not Connected
NC Numerical Control
NCK Numerical Control Kernel: NC kernel with block preparation, traversing range, etc.
NCU Numerical Control Unit: NCK hardware unit
NVRAM Non-Volatile Memory: non-volatile memory
NX Numerical eXtension (axis extension module)
OP Operator Panel: operator panel front
OPC UA Open Platform Communications Unified Architecture: industrial communication protocol
OSS Open source software
PC Personal Computer
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Equipment Manual, 09/2019, A5E47437728B AB
MCU 1720