NI 9478 Operating Instructions and Specifications 20 ni.com
Switched output current (10 kHz)1, per channel
All channels on........................... 1 A max
Four channels on..... ...................2 A max
One channel on........................... 4 A max
Switched output current (20 kHz)1, per channel
All channels on........................... 0.75 A max
Four channels on....... .................1.67 A max
One channel on........................... 3.33 A max
Output impedance (R0)..................... 50 mΩ max
Reversed-voltage protection............. None
Number of current limit settings.......2 (Limit A and Limit B)
Current limit range............................0 –5.1 A
Current limit resolution.....................8-bit, 20 mA per LSB
Current limit accuracy...................... 130 mA + 3% of setting, max
1 Using up to 2 meters of cabling on each output channel. Refer to the Safe Operating
Current section for more information.