Test Terminals - Siemens SITRANS TH100 Operating Instructions Manual

State
Display of faults independent of the device,
e.g. wire break, sensor short circuit, violation
of sensor limits
Device error
See also
Instructions and manuals (http://www.siemens.com/processinstrumentation/documentation)
4.3.6

Test terminals

Description
The test terminals allow for direct measurement of the loop current without impairing the loop
integrity. When using the test terminals, the temperature transmitter must be connected to the
power supply.
Figure 4-13 Test terminals
Warning! Only use certified testing devices for installation in hazardous areas.
SITRANS TH100/TH320/TH420/TR320/TR420/TF320/TF420 with 4 to 20 mA/HART
Operating Instructions, 05/2020, A5E41864807-AB
Operating state
Flashing
On
4.3 SITRANS TR320/TR420
LED
Color
Red
Red
Description
47