B&R MAPPC800-ENG, Руководство пользователя

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Appendix A • Glossary
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375 Panel PC 800 User's Manual V 1.00
SoftPLC
Synonym for SoftPLC.
SUXGA
Abbreviation for S uper U ltra E xtended G raphics A rray; Generally a screen resolution of
2048 × 1536 pixels (4:3). An alternative name is QXGA ( Q uad E xtended G raphics A rray), which
is 4x the pixel resolution of XGA.
SVGA
Abbreviation for " S uper V ideo G raphics A rray"; Graphics standard with a resolution of at least
800×600 pixels and at least 256 colors.
Switch
Device, similar to a hub, that takes data packets received in a network and, unlike a hub, does
not pass them on to all network nodes, instead only to the respective addressee. Unlike a hub,
a switch provides targeted communication within a network that only takes place between
sender and receiver. Other network nodes are not involved.
SXGA
Abbreviation for Super Extended Graphics Array. Graphics standard with a screen resolution of
1280 × 1024 pixels (aspect ratio 5:4).
SXGA+
Abbreviation for SXGA Plus; Generally 1400 × 1050 pixels.
System units
Provit system units consist of a mainboard (without processor), slots for RAM modules, VGA
controller, serial and parallel interfaces, and connections for the FPD, monitor, PS/2 AT
keyboard, PS/2 mouse, USB, Ethernet (for system units with Intel Celeron and Pentium III
processors), Panelware keypad modules and external FDD.
Task
Program unit that is assigned a specific priority by the real-time operating system. It contains a
complete process and can consist of several modules.
TCP/IP
Transmission Control Protocol/Internet Suit of Protocols. Network protocol that has become the
generally accepted standard for data exchange in heterogeneous networks. TCP/IP is used both
in local networks for communication between various computer and also for LAN to WAN
access.
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