National Instruments 9221 Manuale Utente
NI 9201/9221
14
ni.com
Operating voltage ranges
1
Overvoltage protection
(channel-to-COM) ............................ ±100 V
(channel-to-COM) ............................ ±100 V
1
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