제품소개

제품소개

NI-9437 SPT / 783737-01

ㆍ▷ 24 VDC - 250 VDC, 8 채널 (싱킹 입력), 1 µs C 시리즈 디지털 모듈

ㆍ▷ 8-channel, 1 µs digital input

ㆍ▷ 24 V to 250 V logic, sinking digital input

ㆍ▷ Compatible with NI CompactDAQ counters

Data sheet

Features
• 8-channel, 1 µs digital input
• 24 V to 250 V logic, sinking digital input
• Ratiometric thresholds that automatically adjusts to 2/3 of 
    the DC supply voltage
• Compatible with NI CompactDAQ counters
• 300 Vrms CAT II isolation
• -40 °C to 70 °C operating, 5 g vibration, 50 g shock 

Specification & Introduction
 Input
• Number of channels 
    8 digital input channels
• Input type 
    Sinking
• Input voltage thresholds
    OFF state
        24 V to 250 V
            65% * VSUP - 4 V
    ON state
        24 V to 250 V
            73% * VSUP - 0.75 V
• Input current (10 V ≤ VIN ≤ 60 V)1
    Maximum
        1.8 mA
    Minimum 
        1.3 mA
• Input power (60 V ≤ VIN ≤ 300 V)1
    Maximum
        150 mW
    Minimum 
        75 mW
• Input delay time 
    1 µs max
• MTBF
    Contact NI for Bellcore MTBF or 
    MIL-HDBK-217F specifications.
 Power Requirements
• Power consumption from chassis
    Active mode
        235 mW max
    Sleep mode
        40 μW max
• Thermal dissipation (at 70 °C)
    Active mode
        1.5 W max
    Sleep mode
        1.25 W max

Ordering Information