National Instruments NI 9478 - Manual (Page 19)

© 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 (V
0
) ........................... I
0
R
0
External power supply
voltage range (V
sup
)........................... 0–50 VDC
Continuous output current (I
0
) 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.