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NI 9201/9221 14 ni.com
Operating voltage ranges
1
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 V
rms
±60 VDC
NI 9221 ±61.4 ±62.50 ±63.8