BR-Automation Automation PC 820, User Manual, Page: 233 / 252

Appendix A • Glossary
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233 Automation PC 820 User's Manual V 1.00
PROFIBUS DP
PROFIBUS for "decentralized peripherals". PROFIBUS DB can be used to allow simple digital
and analog I/O modules as well as intelligent signal and data processing units to be installed in
the machine room, which among other things can significantly reduce cabling costs. Often used
for time-critical factory automation applications.
Provit
An abbreviation for " PRO cess VI sualization T erminal" Product family name for B&R industrial
PCs.
Provit 2000
Product family name for B&R industrial PCs. It is divided into the following products: IPC2000,
IPC2001, Compact IPC (IPC2002) and the display units belonging to them.
Provit 5000
Product family name for B&R industrial PCs. It is divided into the following products: IPC5000,
IPC5600, IPC5000C, IPC5600C and the display units belonging to them.
PV
Process variable. Logical storage location for values and states in a program.
QVGA
Abbreviation for " Q uarter V ideo G raphics A rray". Usually a screen resolution of 320 × 240 pixels.
QUXGA
Abbreviation for " Q uad U ltra E x tended G raphics A rray". Generally a screen resolution of 3200
× 2400 pixels (4:3). Quad implies the 4x greater pixel resolution compared to the UXGA.
QWUXGA
Abbreviation for " Q uad WUXGA "; Generally a screen resolution of 3840 × 2400 pixels (8:5,
16:10).
RAM
An abbreviation for " R andom A ccess M emory". Semiconductor memory which can be read or
written to by the microprocessor or other hardware components. Memory locations can be
accessed in any order. The various ROM memory types do allow random access, but they
cannot be written to. The term RAM refers to a more temporary memory that can be written to
as well as read.
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