Siemens SITRANS P Operating Instructions Manual page 173

3. Enter the user PIN.
4. Validate the identification data of your device.
5. Check that the displayed fingerprint matches the fingerprint you have written down.
6. Confirm the successful function test.
Result
The device is in the "Functional Safety enabled" device mode.
● All parameters are protected against changes.
● When a safety-related error is detected on the device, the device changes to "Safety critical
error" device mode (Page 174).
Note
The system shows unexpected data or behaves differently than described in this procedure.
● Repeat the entire procedure.
See also
Diagnostic messages (Page 192)
SITRANS P320/P420 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E44852162-AC
Functional Safety
10.2 Enabling Functional Safety
173