B&R Industries Automation PC 620, Руководство пользователя

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Appendix A • Glossary
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475 Automation PC 620 User's Manual V 1.90
DVD
An abbreviation for »Digital Versatile Disk« The next generation of optic data carrier technology.
Using this technology it is possible to code video, audio and computer data on CD. DVDs can
store a higher volume of data than conventional CDs. Standard DVDs , which have a single
coating, can hold 4.7 GB. Double coated DVDs can hold 8.5 GB. Double sided DVDs can hold
up to 17 GB. A special drive is needed for DVDs. Conventional CDs can also be played on DVD
drives.
DVI
Abbreviation for »Digital Visual Interface« An interface for the digital transfer of video data.
DVI-A
Analog only
DVI-D
Digital only
DVI-I
Integrated, i.e. analog and digital
Real-time
A system is operating in real-time or has real-time capability, if the input sizes [e.g. signals, data)
are received and processed in a defined time period, and the results are made available in real-
time for a partner system or the system environment. See also 'Real-time Demands' and 'Real-
time System'.
EDID data
Abbreviation for »Extended Display Identification Data« EDID data contains the characteristics
of monitors / TFT displays transferred as 128 kB data block to the graphics card via the Display
Data Channel (DDC). This EDID data can be used to set the graphics card to the monitor
properties.
EIDE
An abbreviation for »Enhanced Integrated Drive Electronics« An expansion of the IDE standard.
Enhanced IDE is considered the standard for hardware interfaces. This interface is designed for
drives, with an integrated drive controller.
EMC
»Electromagnetic Compatibility« The ability of a device or a system to function satisfactorily in
its electromagnetic environment without introducing intolerable electromagnetic disturbances to
anything in that environment [IEV 161-01-07])
E