Siemens SITRANS TH Series - Page 19

SITRANS TH/TR/TF
A5E32520693-01, 06/2013
19
4.8.3
Resistance thermometer connections
Table 4-9 Resistance input options:
Two-wire
1)
Three-wire
Four-wire
Averaging/determination of difference
2)
, not
for TH100
TH100,
TH200/TH300
(for TH100 Pt100
only)
TR200/TR300
TH400
1)
Line resistance for correction is programmable
2)
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.
4.8.4
Resistor connections
Table 4-10 Resistor input options:
Two-wire
1)
Three-wire
Four-wire
Averaging/determination
of difference
1) 2)
TH200/TH300
TR200/TR300