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National Instruments 779547-01 PXI Multifunction Module

The part number 779547-01 from National Instruments is the identifying part number for the PXI-6255 PXI Multifunction Module. This module features 40 differential or 80 single-ended input channels with a 16-bit analog-to-digital converter. The maximum sampling rate of a single channel is 1.25 MS/s with 750 kS/s for multichannels. The sampling timing accuracy is 50 ppm of sample rate with a timing resolution of 50 ns. The inputs are DC coupled and have an input voltage range of ±0.1 V, ±0.2 V, ±0.5 V, ±1 V, ±2 V, ±5 V, ±10 V. 

The 779547-01 PXI Multifunction Module includes 1 analog trigger. The functions supported by the trigger channel are Start Trigger, Reference Trigger, Pause Trigger, Sample Clock, Convert Clock, and Sample Clock Timebase. The sourcing level has a resolution of 10 bits, 1 in 1,024, and supports Analog edge triggering, analog edge triggering with hysteresis, and analog window triggering modes. The bandwidth of the analog trigger is 3.4 MHz with APFI 0 being 3.9 MHz. 

This module has 2 analog outputs with a resolution of 16 bits and the Monotonicity is 16-bit guaranteed. The outputs have a sampling rate of 2.86 MS/s when using one channel or 2.00 MS/s when using both channels simultaneously. The timing accuracy of the outputs is 50 ppm of sample rate with the timing resolution being 50 ns. This module has an output voltage range of ±5 Volts, ±10 Volts, external reference on APFI 0, and has a DC-coupled output. The module can provide ±5 mA of output current with an overdrive current rating of 20 mA. For data transferring the 79547-01 PXI Multifunction Module relies on DMA (scatter-gather), interrupts, and programmed I/Os. This module also features 24 Digital I/O channels with each terminal individually programmable as input or output. 

The module draws 0.35 Amperes of current when operating at 12 volts under no load and 0.38 Amperes in overvoltage conditions. This module has a Standard 3U PXI size and weighs 236 g (8.3 oz). The module supports 2 68-pin VHDCI I/O connectors and wires with 16 AWG to 28 AWG.