NI 9478, 16 CH, 50 Us, 0-50V Sinking Digital Out, Conformal Coat (779940-02)

50 V, 16-Channel (Sinking Output), 50 µs C Series Digital Module
The NI‑9478 works with industrial logic levels and signals to connect directly to a wide array of industrial relays, solenoids, and motors. The NI‑9478 features programmable current limits, which provide customizable system protection that is ideal for solenoid and valve control applications. Each channel is compatible with signals from 5 V to 50 V and features isolation from channel‑to‑earth ground.

Key product

Output Characteristics

Number of channels=16 digital output channels
Output type=Sinking
Power-on output state=Channels off
Output voltage (V0)=I0 R0
External power supply voltage range (Vsup)=0 VDC to 50 VDC

Continuous output current (I0), per channel

All channels on=1.2 A maximum
Four channels on=2.5 A maximum
One channel on=5 A maximum

Switched output current (10 kHz), per channel

All channels on=1 A maximum
Four channels on=2 A maximum
One channel on=4 A maximum

Switched output current (20 kHz), per channel

All channels on=0.75 A maximum
Four channels on=1.67 A maximum
One channel on=3.33 A maximum
Output impedance (R0)=50 mΩ maximum

Environmental Characteristics
Temperature

Operating=-40 °C to 70 °C
Storage=-40 °C to 85 °C

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NI 9478, 16 CH, 50 Us, 0-50V Sinking Digital Out, Conformal Coat (779940-02)

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