Safety Guidelines For Hazardous Locations - National Instruments NI 9403 Operating Instructions Manual

Safety Guidelines
Operate the NI 9403 only as described in these operating
instructions.
Hot Surface
hot. Touching this component may result in bodily injury.

Safety Guidelines for Hazardous Locations

The NI 9403 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 9403 in a
potentially explosive environment. Not following these guidelines
may result in serious injury or death.
Caution
unless power has been switched off or the area is known
to be nonhazardous.
Caution
switched off or the area is known to be nonhazardous.
© National Instruments Corp.
This icon denotes that the component may be
Do not disconnect I/O-side wires or connectors
Do not remove modules unless power has been
3 NI 9403 Operating Instructions and Specifications