Siemens SITRANS FC720 Operating Instructions Manual page 136

FC7x0
System configuration and operation
It is not possible to release the hardware write-protection via HART, Modbus or
other communication software.
1. Switch off power supply.
2. Loosen the locking screw by turning it clockwise with an Allen wrench (size: 3.0).
3. Unscrew display cover from transmitter housing.
4. On the main board, set DIP switch 2 to the ON position using a sharp-pointed object.
5. Screw display cover back onto transmitter housing.
6. Tighten the locking screw by turning it counterclockwise with an Allen wrench (size:
ð Symbol
Setting the Burnout mode
The flow meter is equipped with a Burnout function. The Burnout mode can be set via
DIP SW1-1 behind the display.
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3.0).
appears in the top right corner of the display.
A5E52748387-AA, 2023/09
1 2
H
ON
L OFF
SW1
Advanced settings