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    Test & Measurement

    CompactDAQ Chassis

    Model: cDAQ-9174
    Part Number: 781157-01
     
    Analog Input

    Input FIFO size

    127 samples per slot

    Maximum sample rate[1]

    Determined by the C Series I/O module or modules

    Timing accuracy[2]

    50 ppm of sample rate

    Timing resolution[3]

    12.5 ns

    Number of channels supported

    Determined by the C Series I/O module or modules

    1. Performance dependent on type of installed C Series I/O module and number of channels in the task.
    2. Does not include group delay. For more information, refer to the documentation for each C Series I/O module.
    3. Does not include group delay. For more information, refer to the documentation for each C Series I/O module.

    Analog Output
    Number of channels supported
    Hardware-timed task

    Onboard regeneration

    16

    Non-regeneration

    Determined by the C Series I/O module or modules

    Non-hardware-timed task

    Determined by the C Series I/O module or modules

    Maximum update rate

    Onboard regeneration

    1.6 MS/s (multi-channel, aggregate)

    Non-regeneration

    Determined by the C Series I/O module or modules

    Timing accuracy

    50 ppm of sample rate

    Timing resolution

    12.5 ns

    Output FIFO size

    Onboard regeneration

    8,191 samples shared among channels used

    Non-regeneration

    127 samples per slot

    AO waveform modes

    Non-periodic waveform, periodic waveform regeneration mode from onboard memory, periodic waveform regeneration from host buffer including dynamic update



    Digital Waveform Characteristics

    Waveform acquisition (DI) FIFO

    127 samples per slot

    Waveform generation (DO) FIFO

    2,047 samples

    Digital input sample clock frequency

    Streaming to application memory

    System-dependent

    Finite

    0 to 10 MHz

    Digital output sample clock frequency

    Streaming from application memory

    System-dependent

    Regeneration from FIFO

    0 to 10 MHz

    Finite

    0 to 10 MHz

    Timing accuracy

    50 ppm


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