Connecting Pseudo-Differential Voltage Inputs - Measurement Computing Data Translation DT3010 Series User Manual

Connecting Pseudo-Differential Voltage Inputs

Figure 16 shows how to connect pseudo-differential voltage inputs to the DT740 or STP268
screw terminal panel.
Signal Source
−
Vsource
−
Vsource
*
V
CM
Figure 16: Connecting Pseudo-Differential Voltage Inputs to the DT740 or STP268
Figure 17 shows how to connect pseudo-differential voltage inputs to the STP268-EC screw
terminal panel.
+
Analog In 0
0
Analog In 1
+
1
Remove Jumper W1 to use Amp
Low as a remote ground sense.
Analog Ground
*Make this connection as close to V
reduce ground loop errors.
V is the common-mode voltage for all 32 analog inputs.
cm
Note that the signals shown for the STP268 screw
terminal panel correspond to connector J1.
(Shown for Channels 0 and 1)
DT740 or STP268 Panel
TB33
TB34
TB1
TB2
TB3
as possible to
sources
Wiring Signals
65