Record the number shown in parameter "Recovery ID", and the serial number of the device.
(Ser
ial number can be found on device nameplate, or via remote operation if data was previously
uploaded from device to EDD and saved in oó¹ª ine table, e.g. PDM Structure view.)
When you provide this information to Siemens Technical Support, a PUK (PIN Unlock Key) will
be supplied to you. Enter this PUK in parameter "PIN recovery" to reset the user PIN to factory
default value.
Note
Par
ameter visibility
Parameter "Recovery ID" will only show on the local display if parameter "User PIN" is enabled.
9.5.4 PIN recovery (5.3)
Used t
o enter PIN unlock key (PUK) which resets PIN(s) to factory default value. The PUK is
available from Technical Support.
For more information, see Recovery ID (5.2) (Pageî™ 146).
Note
Par
ameter visibility
Parameter "PIN recovery" will only show on the local display if parameter "User PIN" is enabled.
9.5.5 User PIN (5.4)
Used to enable/disable user PIN. When user PIN is enabled, changes to parameter settings
require a PIN to be entered.
Note
F
actory PIN
Device is shipped unlocked. If device is locked unintentionally (user PIN enabled), enter PIN 2457
to unlock device (disabled user PIN).
Setting Enabled
Disabled
Default Disabled
In Par
ameter view, the local display shows the action that can be performed:
• If display shows "Enabled", this means that security is currently disabled
• If display shows "Disabled", this means that security is currently enabled.
Parameter assignment
9.5î™ Security (5)
SITRANS LR500 series with mA/HART
Operating Instructions, 03/2024, A5E51099898-AA 147
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