Safety Guidelines For Hazardous Locations - National Instruments sbRIO-9205 Getting Started Manual

Safety Guidelines for Hazardous Locations

The NI 9205 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
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Ensure that hazardous voltage wiring is
Caution
performed only by qualified personnel adhering to local
electrical standards.
Do not mix hazardous voltage circuits and
Caution
human-accessible circuits on the same module.
Ensure that devices and circuits connected to
Caution
the module are properly insulated from human contact.
When module terminals are hazardous
Caution
voltage LIVE (>42.4 Vpk/60 VDC), you must ensure
that devices and circuits connected to the module are
properly insulated from human contact. You must use
the NI 9940 connector backshell kit to ensure that the
terminals are not accessible.
You can use the NI 9940 only with the NI 9205
Note
with spring terminal.