Rockwell Automation 825 Smart Motor Manager User Manual - Manual (Page 153)

Applications/Wiring 9-12
Publication 825-UM001B-EN-P January 2001
Connecting the PT100 Temperature Sensors Using the 2/3/4-Conductor
Technique
The Bulletin 825-MMV Option Card has been designed for the 3-conductor technique. Given
the diameter of the conductor, it is also possible to connect the PT100 temperature sensors
by using the 2/4-conductor technique.
Figure 9.13 2/3/4 Conductor Technique for PT100 Wiring
xT1
xT3
xT2
Option
825-MMV PT100
3-conductor
technique
PT100
2-conductor
technique
PT100
4-conductor
technique
xT1
xT3
xT2
Option
825-MMV
xT1
xT3
xT2
Option
825-MMV