National Instruments 9201, 9221 Operating voltage ranges, Overvoltage protection (channel-to-COM)............................ 100 V

NI 9201/9221 14 ni.com
Operating voltage ranges1
Overvoltage protection
(channel-to-COM)............................ ±100 V
1 Refer to the Safety Guidelines section for more information about safe operating
voltages.
Module
Measurement Voltage,
Channel-to-COM
Maximum Voltage,
Channel-to-Earth Ground or
COM-to-Earth Ground
Min
(V)
Typ
(V)
Max
(V)
Screw
Terminal DSUB
NI 9201 ±10.3 ±10.53 ±10.8 250 Vrms ±60 VDC
NI 9221 ±61.4 ±62.50 ±63.8