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National Instruments Corp.
13
NI 9214 Operating Instructions and Specifications
Installing the NI TB-9214
Connect the NI TB-9214 to the NI 9214 front connector as shown
in Fig
u
re 5. Tighten the two jackscrews on the NI TB-9214 to hold
it sec
u
rely in place. Do
not
overtighten the jackscrews.
Figure 5.
Installing the NI TB-9214
NI 9214 Circuitry
The NI 9214 passes 16 thermoco
u
ple inp
u
t channels and one
a
u
tozero channel thro
u
gh a differential filter. Each channel is then
m
u
ltiplexed and sampled by a 24-bit analog-to-digital converter
(ADC). Refer to Fig
u
re 6 for an ill
u
stration of the inp
u
t circ
u
itry
for one channel of the NI 9214.
NI_9214.fm Page 13 Monday, November 1, 2010 9:52 AM