Caution
Do not disconnect I/O-side wires or
connectors unless power has been switched off or the
area is known to be nonhazardous.
Caution
Do not remove modules unless power has
been switched off or the area is known to be
nonhazardous.
Caution
Substitution of components may impair
suitability for Class I, Division 2, or Zone 2.
Caution
The system must be installed in an enclosure
certified for the intended hazardous (classified)
location, having a tool secured cover/door, where a
minimum protection of at least IP54 is provided.
Special Conditions for Hazardous Locations Use in
Europe and Internationally
The NI 9425 with spring terminal has been evaluated as Ex nA
IIC T4 Gc equipment under DEMKO 12 ATEX 1202658X and is
IECEx UL 14.0089X certified. The NI 9425 with DSUB has been
evaluated as Ex nA IIC T4 Gc equipment under DEMKO 03
ATEX 0324020X and is IECEx UL 14.0089X certified. Each
NI 9425 is marked II 3G and is suitable for use in Zone 2
8
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NI 9425 Getting Started Guide
