NI NI-9237, Начало работы

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Isolation, channel-to-channel None
Isolation, channel-to-earth ground
Up to 3,000 m
Continuous 60 VDC, Measurement Category I
Withstand 1,000 Vrms, verified by a 5 s dielectric withstand test
Up to 5,000 m
Continuous 60 VDC, Measurement Category I
Withstand 860 Vrms, verified by a 5 s dielectric withstand test
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 nA IIC T4 Gc and Ex nA IIC T4 Gc 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.
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.
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NI-9237 Getting Started