NI 9401 Operating Instructions and Specifications
16
ni.com
Safety
Maximum Voltage
1
Connect only voltages that are within the following limits.
Channel-to-COM .............................. ±30 V max on one channel
at a time, Meas
u
rement
Category I
Isolation Voltages
Channel-to-channel........................... None
Channel-to-earth gro
u
nd
Contin
u
o
u
s ................................. 60 VDC, Meas
u
rement
Category I
Withstand.................................... 1,000 V
rms
, verified by a 5 s
dielectric withstand test
Meas
u
rement Category I is for meas
u
rements performed on
circ
u
its not directly connected to the electrical distrib
u
tion system
referred to as
MAINS
voltage. MAINS is a hazardo
u
s live electrical
1
The maxim
u
m voltage that can be applied or o
u
tp
u
t between any channel and COM
witho
u
t damaging the mod
u
le or other devices.
