National Instruments NI 9220, Начало работы

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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.
Caution
For Division 2 and Zone 2 applications, connected signals must
be within the following limits.
Capacitance 0.2 µF maximum
Special Conditions for Hazardous Locations Use in Europe and
Internationally
The NI-9220 has been evaluated as equipment under DEMKO ATEX and is IECEx
certified. Each NI-9220 is marked and is suitable for use in Zone 2 hazardous
locations, in ambient temperatures of -40 °C ≤ Ta ≤ 70 °C. If you are using the NI-9220
in Gas Group IIC hazardous locations, you must use the device in an NI chassis that
has been evaluated as Ex nC IIC T4, Ex IIC T4, Ex nA IIC T4, or Ex nL IIC T4 equipment.
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.
© National Instruments
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NI-9220 Getting Started