Safety Voltages
Connect only voltages that are within the following limits:
Channel-to-earth ground ±30 V maximum
Isolation
Channel-to-channel None
Channel-to-earth ground None
Safety Guidelines for Hazardous Locations
The NI 9402 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 9402 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.
NI 9402 Getting Started Guide | © National Instruments | 3
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
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