Safety Guidelines for Hazardous Locations
The cRIO-9066 is suitable for use in hazardous locations; , and hazardous locations;
and nonhazardous locations only. Follow these guidelines if you are installing the
cRIO-9066 in a potentially explosive environment. Not following these guidelines
may result in serious injury or death.
Caution
Do not disconnect the power supply wires and connectors from
the controller unless power has been switched off.
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.
Caution
Substitution of components may impair suitability for Class I,
Division 2, or Zone 2.
Caution
The system must be installed in an enclosure certified for the
intended hazardous (classified) location, having a tool secured cover/door,
where a minimum protection of at least IP54 is provided.
Special Conditions for Hazardous Locations Use in Europe and
Internationally
The cRIO-9066 has been evaluated as equipment under DEMKO ATEX and is IECEx
certified. Each device is marked and is suitable for use in Zone 2 hazardous
locations, in ambient temperatures of -20 °C ≤ Ta ≤ 55 °C.
Caution
Transient protection shall be provided that is set at a level not
exceeding 140% of the peak rated voltage value of 85 V at the supply
terminals to the equipment.
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cRIO-9066 Getting Started