National-instruments Interface Device NI PCI-1426 Manuale Utente Scaricare il pdf (Pagina 32)

Glossary

NI PCI-1426 User Manual G-4 ni.com

tap A stream of pixels from a camera. Some cameras send multiple streams,

or taps, of data over a cable simultaneously to increase transfer rate.

transfer rate The rate, measured in bytes/s, at which data is moved from source to

destination after software initialization and set up operations. The

maximum rate at which the hardware can operate.

trigger Any event that causes or starts some form of data capture.

trigger control and

mapping circuitry

Circuitry that routes, monitors, and drives external and RTSI bus trigger

lines. You can configure each of these lines to start or stop acquisition on a

rising or falling edge.

TTL Transistor-transistor logic.

VI Virtual Instrument. (1) A combination of hardware and/or software

elements, typically used with a PC, that has the functionality of a classic

stand-alone instrument. (2) A LabVIEW software module (VI), which

consists of a front panel user interface and a block diagram program.

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National-instruments Interface Device NI PCI-1426 Manuale Utente Pagina 32