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NI 9232 Operating Instructions and Specifications
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.
Caution
For Division 2 and Zone 2 applications, install
the system in an enclosure rated to at least IP 54 as
defined by IEC 60529 and EN 60529.
Caution
For Division 2 and Zone 2 applications,
connected IEPE sensors must be within the following
limit:
Capacitance..........................0.08
μ
F max
Caution
For Division 2 and Zone 2 applications,
connected low impedance sources must include a
protection device installed between the source and the
AI terminals. The protection device must prevent the AI+
to AI- voltage from exceeding 42 V if there is a transient
overvoltage condition.
