Rockwell Automation Publication 1756-UM540E-EN-P - December 2017 85
Temperature-sensing Analog Modules Chapter 4
Figure 21 - 1756-IR12 Module Field-side Circuit with RTD Input
Figure 22 - 1756-IR12 Module Wiring Diagram - 3-wire RTD Input
IMPORTANT: Remember the following:
• If separate power sources are used, do not exceed the
specific isolation voltage as listed in the
specifications.
• For 2-wire resistor applications including calibration,
make sure IN_x/B and RTN_x/C are shorted
together.