Siemens SITRANS T Series - LED Function

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⑩ Article number
⑪ QR code for mobile website with device-speci󹪝c information about the product
Figure 4-5 Example of nameplate on the base of the SITRANS TH with general information
4.2.5 LED function
Description
The integrated LED on the transmitter indicates errors according to NAMUR NE44 and NE107.
LED
State Operating state Color
Device OK On Green
No power supply O󹪜 -
Display of faults independent of the device,
e.g. wire break, sensor short circuit, violation
of sensor limits
Flashing Red
Device error On Red
Description
4.2 SITRANS TH320/TH420
SITRANS TH100/TH320/TH420/TR320/TR420/TF320/TF420 with 4 to 20 mA/HART
Operating Instructions, 05/2020, A5E41864807-AB 37