Siemens SITRANS P Operating Instructions Manual page 168

Functional Safety
10.2 Enabling Functional Safety
Validating safety-related parameters
1. Select "VALID".
2. Use the
3. Navigate to the safety-related parameters with the
To correct the safety-related parameters, exit the wizard with the
button to confirm.
Note
Write protection via user PIN is automatically enabled 10 minutes after the last button
operation. The wizard therefore aborts and the validation of the safety-related parameters
is lost.
● To start the wizard again, enter the user PIN.
4. To complete validation of the safety-related parameters, confirm with YES.
5. To validate the safety function, start the function test with "START".
When you select "SKIP", you skip the function test and enable Functional Safety directly
without validation of the safety function.
Validate safety function
1. Check the correct execution of the safety function in which the device is used.
2. In the parameter view, select the "Functional Safety" parameter [29].
3. To continue with the wizard, enter the user PIN if needed.
4. Select "START".
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button to confirm.
button.
button. Use the
SITRANS P320/P420 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E44852162-AC