Safety Voltages
Connect only voltages that are within the following limits:
Maximum voltage
1
Channel-to-COM ±30 V maximum on one
channel at a time, Measurement
Category I
Isolation voltages
Channel-to-channel None
Channel-to-earth ground
Continuous 60 VDC, Measurement
Category I
Withstand 1,000 Vrms, verified by a 5 s
dielectric withstand test
Measurement Category I is for measurements performed on
circuits not directly connected to the electrical distribution system
1
The maximum voltage that can be applied or output between any channel and
COM without damaging the module or other devices.
NI 9401 Getting Started Guide | © National Instruments | 3