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3
NI 9235/9236
Safety Guidelines
Operate the NI 9235/9236 only as described in these operating
instructions.
instructions.
Hot Surface
This icon denotes that the component may be
hot. Touching this component may result in bodily injury.
Safety Guidelines for Hazardous Locations
The NI 9235/9236 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 9235/9236 in a potentially explosive environment.
Not following these guidelines may result in serious injury or
death.
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 9235/9236 in a potentially explosive environment.
Not following these guidelines may result in serious injury or
death.
Caution
Do not disconnect I/O-side wires or connectors
unless power has been switched off or the area is known
to be nonhazardous.
to be nonhazardous.
Caution
Do not remove modules unless power has been
switched off or the area is known to be nonhazardous.