Siemens SITRANS TH400 Operating Instructions Manual page 24

Connecting
5.3 Connection diagrams
Thermocouples
Cold junction compensation
Determination of mean value, difference, or
redundancy
Line resistance to the correction can be programmed
1)
24
Internal
With internal cold junction compensation
With external Pt100 in two-wire
input
1)
Cold junction compensation with external Pt100
Operating Instructions, 06/2010, A5E01018688-02
With external Pt100 in three-
wire input
in two-wire input
1)
SITRANS TH400