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| Abbreviations |
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| C.1 Abbreviations |
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| Abbreviation | Term | Definition |
| VGA | Video Graphics Array | Video adapter which meets industrial standard; |
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| can be used for any commonly available software |
| VRM | Voltage Regulator Module |
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| W2k | Windows 2000 |
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| WAV | Wave Length Encoding | |
| WD | Watchdog | Program monitoring with error detection and |
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| alarming. |
| WLAN | Wireless LAN | Wireless local network, which is mainly used in |
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| connection with mobile computers. |
| WWW | World Wide Web |
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| XGA | Xtended Graphics Array | Graphic standard, maximum resolution 1.024 x |
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| 768 pixels |
SIMATIC Rack PC IL 43 | |
Operating Instructions, Edition 09/2005, |