National Instruments NI 9485 User Manual

Limit flyback voltages at the inductive load by installing one of
the following:
• For DC loads—Install a flyback diode within 45.72 cm of the
load.
• For AC loads—Install a metal oxide varistor (MOV) rated for
30 Vrms or slightly higher.
Figure 3. Contact Protection for DC Inductive Loads
+
–
CHa
CHb
Inductive
Load
NI 9485
Flyback Diode for
DC Inductive Loads
V
DC
14 | ni.com | NI 9485 Getting Started Guide

National Instruments NI 9485 Specifications

General

Brand	National Instruments
Model	NI 9485
Category	I/O Systems
Language	English