National Instruments NI USB-621x User Manual

Chapter 11 Isolation and Digital Isolators
NI USB-621x User Manual 11-4 ni.com
Add an AC return path from the device isolated ground to earth ground. For
non-isolated systems, an AC return path is only needed for high or source
impedances. An AC return path can be created by connecting a capacitor
between the device’s isolated ground and earth ground.

National Instruments NI USB-621x Specifications

General

Brand	National Instruments
Model	NI USB-621x
Category	Computer Hardware
Language	English