Procedure
1. Navigate to the parameter view.
Navigating in the views (Page 107)
2. Select the parameter "Change user PIN".
3. Press the button.
4. Enter the old user PIN.
5. Enter the new user PIN with a value between 1 and 65535.
Changing parameter values (Page 111)
6. Use the button to conrm.
7. Repeat the new user PIN and use the button to conrm.
Result
• If both user PINs match, the "COMPL" message appears.
The user PIN has been successfully changed.
• If the two user PINs do not match, the "FAILD" message appears.
Then repeat the described procedure.
9.3.16 PIN recovery [17]
Used to reset the user PIN to the factory setting.
The user PIN is factory set to 2457 in the device.
Parameter assignment
9.3 Parameter assignment over device with display
SITRANS TH100/TH320/TH420/TR320/TR420/TF320/TF420 with 4 to 20 mA/HART
Operating Instructions, 05/2020, A5E41864807-AB 153
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