©
National Instruments Corp.
5
NI 9263 Operating Instructions and Specifications
Caution
Do
not
disconnect I/O-side wires or connectors
u
nless power has been switched off or the area is known
to be nonhazardo
u
s.
Caution
Do
not
remove mod
u
les
u
nless power has been
switched off or the area is known to be nonhazardo
u
s.
Caution
S
u
bstit
u
tion of components may impair
s
u
itability for Class I, Division 2.
Caution
For Zone 2 applications, install the system
in an enclos
u
re rated to at least IP 54 as defined by
IEC 60529 and EN 60529.
Special Conditions for Hazardous Locations Use in Europe
This eq
u
ipment has been eval
u
ated as Ex nA IIC T4 eq
u
ipment
u
nder DEMKO Certificate No. 07 ATEX 0626664X. Each mod
u
le
is marked
II 3G and is s
u
itable for
u
se in Zone 2 hazardo
u
s
locations, in ambient temperat
u
res of –40 °C
≤
Ta
≤
70 °C. If yo
u
are
u
sing the NI 9263 in Gas Gro
u
p IIC hazardo
u
s locations, yo
u
m
u
st
u
se the device in an NI chassis that has been eval
u
ated as
Ex nC IIC T4, EEx nC IIC T4, Ex nA IIC T4, or Ex nL IIC T4
eq
u
ipment.
