© National Instruments Corp. 19 NI 9478 Operating Instructions and Specifications
Specifications
The following specifications are typical for the range –40 to 70 °C
unless otherwise noted. All voltages are relative to COM unless
otherwise noted.

Output Characteristics

Number of channels.......................... 16 digital output channels
Output type......................... ..............Sinking
Power-on output state....................... Channels off
Output voltage (V0)...........................I0R0
External power supply
voltage range (Vsup)...........................0–50 VDC
Continuous output current (I0)1, per channel
All channels on........................... 1.2 A max
Four channels on....... .................2.5 A max
One channel on........................... 5 A max
1 Refer to the Safe Operating Current section for more information about safe
operating current.