National Instruments 24-bit User Manual download pdf (Page 3)

Safety Guidelines

Operate the NI 9237 only as described in these operating

instructions.

Hot Surface This icon denotes that the component may be

hot. Tou ching 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.

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National Instruments 24-bit User Manual Page 3