List of abbreviations
B.1 Abbreviations
SIMATIC HMI IPC677C
270
Operating Instructions, 04/2013, A5E02722710-04
Abbreviation
Term
Meaning
VDE
Verein deutscher Elektrotechniker (Union
of German Electrical Engineers)
VGA
Video Graphics Array
Video adapter which meets industrial standard
VRM
Voltage Regulator Module
VT
Virtualization Technology
Intel technology with which a virtually closed
environment can be made available.
VT-D
Virtualization Technology for Directed I/O
Enables the direct assignment of a device (e.g.
network adapter) to a virtual device.
W2k
Windows 2000
WAN
Wide Area Network
WAV
Wave Length Encoding
Loss-free file format for audio data.
WD
Watchdog
Program monitoring with error detection and
alarming.
WLAN
Wireless LAN
LWireless local area network
WoL
Wake on Local Area Network
WWW
World Wide Web
XD
Execute Disable Capability
Hardware implementation
XGA
Extended Graphics Array
Graphic standard, maximum resolution 1024x768
pixels.
ZMM
Zero Maintenance Cache Protection
Module
Maintenance-free cache unit for saving cache
contents