List of Abbreviations/Acronyms
B.1 Abbreviations
SIMATIC Panel PC 677B
248 Operating Instructions, 05/2007, A5E01035609-01
Abbreviation Term Meaning
UMA Unified Memory Architecture
URL Uniform Resource Locator Designation of the full address of an Internet
page
USB Universal Serial Bus
UXGA Ultra Extended Graphics Array Graphic standard, maximum resolution 1.600 x
1.200 pixels
V.24 ITU-T standardized recommendation for data
transfer via serial ports
VGA Video Graphics Array Video adapter which meets industrial standard
VRM Voltage Regulator Module
WD Watchdog Program monitoring with error detection and
alarming.
XGA Extended Graphics Array Graphic standard, maximum resolution 1.024 x
768 pixels
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