Procedure
1. Navigate to the parameter view.
Navigating in the views
(Page 76)
2. Select the parameter "Functional Safety" [29].
3. Enter the user PIN.
The wizard starts.
4. Select YES immediately and confirm wit the
button.
Result
The device switches to "Functional Safety disabled" device mode.
● The "SIL" symbol is displayed.
●
The "ENABL" command appears (Enable Functional Safety mode).
Note
If Functional Safety remains enabled, repeat the procedure described above without any
interruptions.
10.5 Disabling Functional Safety over remote operation
Requirement
The device is in the "Functional Safety enabled" device mode.
Procedure
1. Select the menu command "Functional Safety".
2.
Enter the user PIN.
3. Validate the identification data of your device: Long tag, product name and serial number.
4. Confirm with "Ok" that you want to disable Functional Safety.
5. Validate the identification data of your device again: Long tag, product name and serial
number.
6. Confirm with "OK".
Functional Safety
10.5 Disabling Functional Safety over remote operation
SITRANS P320/P420 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E44852162-AC 177
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