The National Instruments PXI-6602 is a PXI timing and digital I/O module with eight 32-bit counter/timers and 32 TTL/CMOS-compatible digital lines.
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Key product information and technical features.
Part of the NI 660x family, the PXI-6602 provides counter-based measurement and signal generation in a modular PXI system. Its functions include event counting, time and frequency measurement, encoder position measurement, and pulse or square-wave generation.
Digital I/O transfers are static, without handshaking. The maximum source-frequency specification describes counter input capability, not a digital I/O sampling rate.
Verified product specifications.
| Counter/timer channels | 8 up/down |
|---|---|
| Counter resolution | 32 bits |
| Digital I/O channels | 32 |
| Digital I/O transfer | Static; no handshaking |
| Maximum source frequency without prescaling | 80 MHz |
| Maximum source frequency with prescaling | 125 MHz |
| Counter data transfers | DMA, up to 3 channels; interrupts |
| I/O connector | 68-pin female SCSI-II type |
| Operating temperature | 0 to 55 °C |
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Manufacturer
Modular chassis platform
Timing and digital I/O module
NI 660x counter/timer devices
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Product-specific answers based on available technical information.
It has eight 32-bit counter/timers. The four-counter configuration belongs to the NI 6601, not the PXI-6602.
Supported functions include event counting, time and frequency measurement, encoder position measurement, and pulse or square-wave generation.
The PXI-6608 is a related counter/timer module with an oven-controlled crystal oscillator. NI describes using it in PXI slot 2 to improve the backplane clock reference used by a PXI-6602.