제품소개

제품소개

NI-9231 / 783610-01

ㆍ▷ 8 채널, 51.2 kS/s/ch, -5 V ~ +5 V, C 시리즈 사운드 및 진동 입력 모듈

ㆍ▷ 107 dB dynamic range at 51.2 kS/s

ㆍ▷ <16 μVrms noise

ㆍ▷ IEPE Open/Short Detection

Data sheet

Features
• 107 dB dynamic range at 51.2 kS/s
• <16 μVrms noise
• IEPE Open/Short Detection
• Smart TEDS sensor compatibility
• Software-selectable IEPE signal conditioning
• Software-selectable AC/DC coupling
• 10-32 coaxial jack connectivity

Specification & Introduction
 Input Characteristics
• Number of channels 
    8 analog input channels
• ADC resolution 
    24 bits
• Type of ADC 
    Delta-Sigma with analog prefiltering
• Sampling mode 
    Simultaneous
• Input coupling 
    Software-selectable AC/DC
• Type of TEDS supported 
    IEEE 1451.4 TEDS Class I
• TEDS capacitive drive 
    5,000 pF
• Internal master timebase (fM)
    Frequency 
        13.1072 MHz
    Accuracy 
        ±100 ppm maximum
• CompactRIO & CompactDAQ chassis data rate range (fs)
    Using internal master timebase
        Minimum 
            267 S/s
        Maximum 
            51.2 kS/s
    Using external master timebase
        Minimum 
            244.141 S/s
        Maximum 
            51.367 kS/s
• R Series Expansion chassis data rate range (fs)
    Using internal master timebase
        Minimum 
            267 S/s
        Maximum 
            25.6 kS/s
    Using external master timebase
        Minimum 
            244.141 S/s
        Maximum 
            25.684 kS/s
• Input delay 
    34/fs + 3.0 μs
• Overvoltage protection 
    ±30 V maximum on one channel at a time
• Input impedance
    AI+ to chassis 
        918 kΩ || 135 pF
    AI- to chassis 
        50 Ω
• Input voltage range
    Minimum 
        ±5 Vpk
    Typical 
        ±5.1 Vpk
    Scaling coefficient 
        610,715 pV/LSB
• Maximum input voltage
    AI+ to Ground 
        ±5.16 Vpk
    AI- to Ground 
        +0.7 V/-0.2 V
• IEPE excitation current (software-selectable on/off)
    Minimum 
        2 mA
    Typical 
        2.09 mA
• IEPE excitation noise 
    75 nArms at 51.2 kS/s
• IEPE compliance voltage1 
    19 V maximum
• IEPE Diagnostic Feature
    Open Loop Detection 
        IEPE Current, <2 mA
    Short Circuit Detection 
        AI+ to Ground, <1.2 V
• High pass filter cutoff frequency (AC)
    -3 dB 
        1.2 Hz
    -0.1 dB 
        7.9 Hz

Ordering Information