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NI6601 Datasheet(PDF) 3 Page - National Instruments Corporation |
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NI6601 Datasheet(HTML) 3 Page - National Instruments Corporation |
3 / 10 page 388 National Instruments • Tel: (800) 433-3488 • Fax: (512) 683-9300 • info@ni.com • ni.com Overview and Applications NI 660x devices are timing and digital I/O (DIO) modules for PCI and PXI. They offer up to eight 32-bit counter/timers and up to 32 lines of 5 V TTL/CMOS-compatible digital I/O. You can perform a wide variety of buffered measurements or other counter/timer tasks with NI 660x devices, including position or quadrature encoder measurement, event counting, period measurement, pulse-width measurement, frequency measurement, pulse generation, and pulse- train generation. Features Counter/Timers The NI 660x devices are equipped with the NI-TIO ASIC, a National Instruments counter and digital I/O ASIC for advanced timing and counting applications. Each NI 6602 and NI 6608 device features two NI-TIO ASICs to provide a total of eight counter/timers. The PCI-6601 board features one NI-TIO ASIC for a total of four counter/timers. The counters are software-compatible with those found on E Series multifunction DAQ devices, but NI 660x devices offer additional capabilities. Each counter has a gate, up/down, and source signal, which can be controlled by external or internal signals. Each counter has one output that can be routed externally or to other counters on the device. 20 MHz and 100 kHz timebases are available on each device for use with each counter/timer. In addition, an 80 MHz timebase is available on the NI 6602 and NI 6608 devices. A hardware trigger can be used to start multiple counters simultaneously. See Table 1 for more information. •Up to eight 32-bit counter/timers • 80 MHz maximum source frequency (125 MHz with prescalers) •Debouncing and glitch removal •High-stability timebase (PXI-6608 only) • GPS-based synchronization (PXI-6608 only) • NI DAQ driver simplifies configuration and measurements Models •NI PCI-6601 •NI PCI-6602 • NI PXI-6602 • NI PXI-6608 Operating Systems •Windows 2000/NT/XP •Real-time performance with LabVIEW (p. 134) •Others such as Linux and Mac OS X (page 187) Recommended Software • LabVIEW • LabWindows/CVI •Measurement Studio Other Compatible Software •Visual Basic •Visual C/C++, C# Driver Software (included) • NI-DAQ 7 Calibration Certificate Included See page 21. NI 660x 32-Bit Counter/Timers Debouncing/ Counter/ Max Source Pulse Buffered Glitch Oscillator GPS Buffered Operations2 Family Bus Timers Size Frequency Compatibility Digital I/O Generation Operations Removal Stability Synchr. DMA Interrupt NI 6601 PCI 4 32 bits 20 MHz1 5 V TTL/CMOS Up to 32 ✓✓ ✓ 50 ppm – 1 3 NI 6602 PCI 8 32 bits 80 MHz1 5 V TTL/CMOS Up to 32 ✓✓ ✓ 50 ppm – 3 5 PXI NI 6608 PXI 8 32 bits 80 MHz1 5 V TTL/CMOS Up to 32 ✓✓ ✓ 75 ppb ✓ 35 1 Max Source Frequency with prescalers is 60 MHz for the NI 6601 and 125 MHz for the NI 6602 and NI 6608. These frequencies are dependent on drive strength of input signal and cable length. Consider these speeds to be the maximum. 2DMA transfers have higher throughput than interrupt transfers. Table 1. NI 660x Products Specifications Summary (See page 393 for detailed specifications.) |
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