A)
+
Floating
R
Signal
s
Source
−
B)
Bridge
R
v
R
s
−
+
DC Supply
Figure 20: Connecting Differential Voltage Inputs to the STP268-EC
TB34
Analog In 0
Analog In 0
Return
User-
Supplied
Resistor
Analog Ground
Analog In 0
Analog In 0 Return
Analog Ground
(Shown for Channel 0)
STP268-EC Panel
TB68
Supply a bias return resistor to
connect the low side of channel
0 to analog ground.
TB68
TB34
Wiring Signals
5
5
TB52
5
5
5
TB52
5
5
5
5
71