© National Instruments
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1-7
Figure 1-3.
Direct Feedthrough Mode Switch Setting
Using the SCB-68A with MIO DAQ Devices
You can take measurements with the SCB-68A and multifunction I/O (MIO) DAQ devices, such
as E/M/S/X Series devices, in a number of ways. The SCB-68A has a temperature sensor for
cold-junction compensation (CJC) to accommodate thermocouples; switches S1.1 and S1.2
configure the temperature sensor for different analog input settings. Switches S2.1, S2.2, and
S2.3 provide power to the signal conditioning area of the accessory. Table 1-2 shows the
different switch settings for MIO DAQ devices.
Temper
a
t
u
re
S
en
s
or
Device
C
ab
le
S
CB-6
8
A
S
crew
Termin
a
l
6
8
67
1
6
8
67
1
2
2
NC
Refer to
Yo
u
r Device
Doc
u
ment
a
tion
for Device
S
ign
a
l
Inform
a
tion
S
ign
a
l
Conditioning
NC
1
2
3
1
2
S1
S2
