National Instruments NI 9233 User Manual

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© National Instruments Corp.
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NI 9233 Operating Instructions and Specifications
Safety Guidelines
Operate the NI 9233 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 9233 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 9233 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.