Siemens SITRANS TH100 Operating Instructions Manual page 176

Parameter assignment
9.6 Setting the fault current of the internal transmitter with switch to ≥ 21 mA
Procedure
1. Unscrew the cover.
2. Move the left switch to the HI position.
Figure 9-7
Result
When the switch is in the HI position, the upper fault current is enabled.
See also
Current output (Page 167)
176
FO Fault current
LO Lower fault current ≤ 3.6 mA
HI Upper fault current ≥ 21 mA
SIM Reserved for devices with PA (simulation mode)
Set the upper fault current using switch
SITRANS TH100/TH320/TH420/TR320/TR420/TF320/TF420 with 4 to 20 mA/HART
Operating Instructions, 05/2020, A5E41864807-AB