Specifications

2/7
Siemens FI 01 · 2015 US Edition
Temperature Measurement
Transmitters for mounting in sensor head
SITRANS TH100 two-wire system (Pt100)
2
■ Schematics
SITRANS TH100, sensor connection assignment
-
+
12
6
5
1
SIEMENS
4..20mA
+
–
2
6
36
4
3-W
5
3
45
6
36
4
3-W
5
3
45
6
36
4
3-W
5
3
45
6
Four-wire system
Three-wire system
Two-wire system
(parameterizable line
resistance)
Connection of auxiliary
power supply (U
aux
)
power supply (Uaux)
Pt100
Pt100
Pt100
U
aux
© Siemens AG 2015