Connection Diagrams - Siemens SITRANS TH100 Operating Instructions Manual

Connecting

5.4 Connection diagrams

5.4 Connection diagrams
Two-wire input: line resistance programmable
1)
22
Connection diagrams for Pt100 resistance thermometer and power supply
3
4
5
3
4
5
Four-wire input
Terminal No. 5 has no function in the version with three-wire input, and must not be connected. When
using RTDs in a version with four-wire input but when selecting a three-wire input, the cores of the
unused fourth sensor line must be electrically insulated using tape.
6
6
3
6
4
5
Three-wire input
s
-
+
2
1
6
Power supply connection U
Operating Instructions, 09/2013, A5E00331168-04
1)
aux
SITRANS TH100