Data Translation DT9828 User Manual page 35

Figure 6 shows how to connect a thermocouple input to a DT9828 module.
Analog Input Terminal Block
+
High
- Low
Thermocouple
Input
Figure 6: Connecting Thermocouple Inputs (Shown for Analog Input Channel 0)
DT9828
TB1
One cold-junction compensation (CJC) circuit is
1
provided for all thermocouple input channels. The
2
software reads the value of the CJC input and
applies it to the value of the thermocouple input to
correct for errors based on the specified
.
thermocouple type.
.
.
The output of the channel goes to positive, full-scale
if an open circuit is detected at the input.
Wiring Signals
35