제품소개

제품소개

NI-9423 SCT / 779009-01

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

ㆍ▷ 8-channel, 100 µs digital input

ㆍ▷ 24 V logic, sinking digital input

ㆍ▷ Compatible with NI CompactDAQ counters

Data sheet

Features
• 8-channel, 100 µs digital input
• 24 V logic, sinking digital input
• Compatible with NI CompactDAQ counters
• 250 Vrms, CAT II isolation
• 10-position spring-terminal or 10-position screw-terminal
    connectors available
• -40 °C to 70 °C operating, 5 g vibration, 50 g shock

Specification & Introduction
 Input Characteristics
• Number of channels 
    8 digital input channels
• Input type 
    Sinking
• Digital logic levels
    OFF state
        Input voltage 
            ≤5 V
        Input current 
            ≤150 μA
• ON state
        Input voltage 
            11 V to 30 V
        Input current 
            ≥3 mA
• I/O protection
    Input voltage 
        35 V maximum
    Reverse-biased voltage 
        -30 V maximum
    Input current 
        8.5 mA maximum, internally limited
• Input delay time 
    1 μs maximum
• MTBF 
    979,623 hours at 25 °C; Bellcore Issue 2,
    Method I, Case 3, Limited Part Stress Method
 Power Requirements
• Power consumption from chassis
    Active mode 
        290 mW max 
    Sleep mode 
        7 mW max
• Thermal dissipation (at 70 °C)
    Active mode 
        1.5 W max
    Sleep mode 
        1.3 W max
 Physical Characteristics
• Screw-terminal wiring
    Gauge 
        0.2 mm² to 2.5 mm² (26 AWG to 14 AWG)
        copper conductor wire
    Wire strip length 
        13 mm (0.51 in.) of insulation stripped from the end
    Temperature rating 90 °C minimum Torque for screw terminals 
        0.5 N · m to 0.6 N · m (4.4 lb · in. to 5.3 lb · in.)
    Wires per screw terminal 
        One wire per screw terminal; two wires per
        screw terminal using a 2-wire ferrule

Ordering Information