Hello,
Here are the power supply specs as found on page 12 of the DAQPad-6020E Family Specifications Manual.
Power Requirement
9 to 30 VDC............................................15 W
Power available at I/O connector............+4.65 to +5.25 VDC at 1 A
Note: Power supply voltage should never go below 8.5 V, including AC ripple.
Here is a link to the manual:http://digital.ni.com/manuals.nsf/websearch/109B11F2D719E4D186256DA2007274A2?OpenDocument&node=132100_US
Regards,
Bill B
Applications Engineer
National Instruments