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Procedure
1. Navigate to the parameter view.
Navigating in the views (Page 76)
2. Select the parameter "User PIN".
3. Use the button to confirm.
The message "USER PIN ON" (User PIN enabled) appears for 2 seconds.
Result
The User PIN is activated after about 10 minutes or after a device restart.
7.4.3
Enabling button lock
Procedure
1. Navigate into the parameter view.
Navigating in the views (Page 76)
2. In the parameter view, select the "Button lock" parameter.
3. Press the button.
The "EDIT" symbol flashes.
4. Select ON with the or button.
5. Use the button to confirm.
Result
● The display automatically returns to the measurement view.
● The display automatically changes between the measured values every 12 seconds.
● The symbol for button lock "LL" and the measured value ID are displayed alternately.
Operating
7.4 Locking the device
SITRANS P320/P420 with 4 to 20 mA/HART
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Operating Instructions, 11/2019, A5E44852162-AC