Siemens SITRANS Series Compact Operating Instructions page 50

Connecting
4.7 Connecting the SITRANS TF single chamber housing
6. Connect the input terminals
Connecting TH420 (Page 34)
Figure 4-6
7. For devices with "Intrinsic safety" type of protection, use an isolating power supply that
corresponds to the requirements of the relevant type of protection.
8. Insert the display.
9. Screw the cover back on as far as it will go.
10.Connect the device to the plant with the protective conductor connection
50
④
and output terminals
HART communication resistor
⑤
.
⑥
(optional)
SITRANS TH320/TH420/TR320/TR420/TF320/TF420
Compact Operating Instructions, 03/2018, A5E41865021-AA
⑦
.