National Instruments PXI-6602 counter / timer card with digital I/O. Tested, fully functional, and in excellent physical condition.

The NI PXI-6602 is a timing and digital I/O module with eight 32-bit counter/timers and 32 lines of TTL/CMOS-compatible digital I/O. Eight digital I/O lines are dedicated and the remaining 24 are shared with the counter/timers. You can perform a wide variety of counter/timer tasks with the NI PXI-6602, including encoder position measurement, event counting, period measurement, pulse width measurement, pulse generation, pulse train generation, and frequency measurement.

For additional information and resources, use the model name to search the manufacturer's website.