| 1. | National Instruments Computer Drive NI USB-6509 User Guide USER GUIDE AND SPECIFICATIONS Nl USB 6509 This document contains information about using the National Instruments USB 6509 data acquisition DAQ device with NI DAQmx 8 7 and later The NI USB 6509 is a bus powered 96 channel digital input output I O device The NI USB 6509 features 96 TTL CMOS compatible digital I O lines a watchdog timer digital input filtering and change detection and output programmable power up states The NI USB 6509 also features an optional external |
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