Safety Guidelines For Hazardous Locations - National Instruments NI 9225 Operating Instructions And Specification

Safety Guidelines for Hazardous Locations

The NI 9225 is suitable for use in Class I, Division 2, Groups A, B,
C, D, T4 hazardous locations; Class I, Zone 2, AEx nA IIC T4, and
Ex nA IIC T4 hazardous locations; and nonhazardous locations
only. Follow these guidelines if you are installing the NI 9225 in a
potentially explosive environment. Not following these guidelines
may result in serious injury or death.
Caution
unless power has been switched off or the area is known
to be nonhazardous.
Caution
switched off or the area is known to be nonhazardous.
Caution
suitability for Class I, Division 2.
Caution
in an enclosure rated to at least IP 54 as defined by
IEC 60529 and EN 60529.
6 | ni.com | NI 9225 Operating Instructions and Specifications
Do not disconnect I/O-side wires or connectors
Do not remove modules unless power has been
Substitution of components may impair
For Zone 2 applications, install the system