Chapter 3
Signal I/O Connections
Screw terminal pin out
The OM-USB-TEMP-AI has four rows of screw terminals — two rows on the top edge of the housing, and two
rows on the bottom edge. Each row has 26
connections. Between screw terminals 10 and 11 is the integrated
CJC sensor used for thermocouple measurements. Signals are identified in Figure 2.
Figure 2. OM-USB-TEMP-AI screw terminal pin numbers
