Connecting Voltage Signals - Intab PC-logger 3150 How To Use Manual

3.4.2

Connecting Voltage Signals

Voltage signals can be connected in two basic ways. Which one to use depends
on whether the signal is "floating" or not.
Combinations of the two methods are of course possible!
Differential or ratiometric transducers may also be directly connected.
1) Connecting signals with common grounding
2) Connecting isolated or "floating" signals.
3) Differential or Ratiometric transducers
MAIN UNIT
3 CONNECTIONS
Note that only one of the
Diff/Gnd switches is in
position "Gnd".
This will establish a
good reference potential
for both channels.
Each floating signal has
to be individually
grounded to logger
"Gnd".
This illustration shows
how a bridge type
transducer (load cells,
pressure sensors etc.)
should be connected.
The "V-out" is used as
excitation voltage.
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