National Instruments USB-6343

The National Instruments USB-6343 is a high-performance multifunction I/O device from the X Series, specifically designed for diverse industrial applications requiring robust data acquisition capabilities. This USB device offers 16 differential analog input channels or 32 single-ended channels, featuring a 16-bit ADC resolution with a maximum sample rate of 500 kS/s. It supports varying simultaneous update rates based on the number of channels utilized; notably, one channel can attain up to 900 kS/s, while two, three, and four channels achieve rates of 840 kS/s, 775 kS/s, and 719 kS/s, respectively. Enhanced user protection is afforded with overvoltage safeguards of ±25 V when powered on and ±15 V when powered off, optimal for safeguarding the integrity of up to two analog input pins.

The USB-6343 also provides four analog output channels, each delivering 16 bits of DAC resolution with a maximum sample rate of 500 kS/s, ensuring high fidelity in output signal generation. The device is available in different configurations corresponding to connector types: part number 781439-01 features screw terminal front connectors with a total of 128 terminals, while part number 782253-01 is equipped with 30 BNC connectors and 60 screw terminals. Part number 782252-01 refers to the board-only variant. Designed for indoor use, this I/O device operates effectively in ambient temperatures ranging from 0 °C to 45 °C, with a storage temperature range from -40 °C to 70 °C.

The dimensions of the USB-6343 vary by configuration; the screw terminal variant measures 10.4 in. × 6.8 in. × 1.4 in. and weighs 3 lb 3 oz, while the BNC version measures 8.0 in. × 7.3 in. × 2.7 in. and weighs 3 lb 15.6 oz. A three-year warranty provides added peace of mind. Comprehensive user and maintenance manuals are available for download, and pricing inquiries can be directed to a sales representative for a quote.