Safety guidelines, Safety guidelines for hazardous locations – National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 User Manual
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© National Instruments Corp.
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NI 9237 Operating Instructions and Specifications
Safety Guidelines
Operate the NI 9237 only as described in these operating
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 9237 is suitable for use in Class I, Division 2, Groups A, B,
C, D, T4 hazardous locations; Class I, Zone 2, AEx nC IIC T4, and
Ex nC IIC T4 hazardous locations; and nonhazardous locations
only. Follow these guidelines if you are installing the NI 9237 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.
Caution
Do not remove modules unless power has been
switched off or the area is known to be nonhazardous.