Measurement-computing PCI-CTR05 Manuale Utente Scaricare il pdf (Pagina 5)

Chapter 1

Introducing the PCI-CTR05

The PCI-CTR05 is a high-performance, low-cost counter/timer board for PCI bus-compatible computers.

The PCI-CTR05 is based on the 9513 counter/timer device. The PCI-CTR05 has one 9513 counter/timer device.

The 9513 device has five independent 16-bit counters (65,536 counts). Each counter has an input source, count

The 9513 is software-programmable for event counting, pulse and frequency measurement, alarm comparisons,

and other input functions. The 9513 can generate frequencies with either complex duty cycles, or with one-shot

and continuous-output modes. You can chain up to five 9513 counters together using software to enable a 32-,

48-, 64-, or 80-bit counter that does not require hardware connections. The gate source and gating functions are

software-selectable.

An eight-bit, high-current digital output port provides logic-level control, and can be used to switch solid state

relays. An eight-bit digital input port can be used to sense contact closures and other TTL level signals. The

PCI-CTR05 also provides access to the PCI bus interrupt assigned to the board.

Depending on the revision of your PCI-CTR05, it may support both 3.3 V and 5 V PCI signaling environments,

or only 5 V PCI signaling environments. Refer to Installing the hardware

to learn how to determine the PCI

signaling environments your board supports.

For more information on the 9513 counter/timer, refer to the 9513 data sheet. This document is available at

www.mccdaq.com/PDFs/Manuals/9513A.pdf

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Measurement-computing PCI-CTR05 Manuale Utente Pagina 5