Security - Siemens SITRANS LUT400 Series Operating Instructions Manual

Configuration Change Counter
Read only. Indicates the number of times the device's configuration or calibration has
been changed by a host application or from a local operator interface.

5. Security

Default settings in the parameter tables are indicated with an asterisk (*) unless
Note:
explicitly stated.
5.1. Write Protection
A password to prevent any changes to parameters via local push buttons, remote
communication, or Windows-based web browser. Write Protection must match User
PIN on page 218 for the device to be unlocked.
Values
• To turn Lock On, key in any value other than the Unlock Value.
• To turn Lock Off, key in the Unlock Value (2457).
5.2. User PIN
This is a private password to prevent any changes to the parameters via local push
buttons, remote communications, or Windows-based web browser.
Values
• To view or change the User PIN, 5. 1 . Write Protection must match the
current User PIN value. If the PIN does not match 5.1. Write Protection
'*****' will be displayed.
• If '*****' is displayed, the LUT400 parameters cannot be changed and will
display the lock icon, except for 5.1 Write Protection.
• User PIN cannot be changed via communications.
WARNING:
• The User PIN value cannot be recovered in the field. Record a new user
PIN in a secure manner.
Page 218 SITRANS LUT400 (HART) – OPERATING INSTRUCTIONS
Range: 0 to 65535
* Unlock value (2457)
Any other value
Range
* Default value
Lock Off
Lock On
0 to 65535
2457
A5E33329501