PCIe-6509 Theory of Operation

The PCIe-6509 DIO device features 96 TTL/CMOS-compatible digital I/O lines (P<0..11>.<0..7>), 24 mA high-drive output, digital filtering, programmable power-up states, change detection, and a watchdog timer.

You can configure the PCIe-6509 for digital input (DI) and digital output (DO) on a line-by-line basis and use each of the DIO lines as a static DI or DO line. All samples of DI lines and all updates of DO lines are software-timed. Each line has user-configurable pull-up and pull-down resistors.

The I/O connector on the front panel has fused +5 V power output.