Disabling And Enabling Programming - Siemens Sitrans LR400 Instruction Manual

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Parameter Operating Examples
See

Disabling and Enabling Programming

To prevent unauthorized personnel causing programming errors using the display
module, set a customer code – a personal, number code up to 9 digits. A device protected
by a customer code still displays all functions and values but it requests input of the code
before resetting a parameter.
The customer code is activated 10 minutes after you have programmed
Note:
Parameter 5.2 Customer Code.
Programming is enabled when you:
• enter the requested customer code for the current parameter
or
• release the programming lock using Parameter 5. 1 Code Input on page 56.
The programming lock will be released for approximately 10 minutes. Any other code
number locks and disables programming.
When you return to the multi-display or enter a number in the Code Input parameter
which is different from the customer code, or do not operate the device for 10 minutes,
the programming lock is enabled.
If Customer Code (Parameter 5.2) is 0, programming of parameters is always
Note:
enabled. We strongly recommend that a customer code be entered after all
programming is completed to secure the programmed values from change.
7ML19985FH06
on page 24 for an example of manual input.
SITRANS LR400 (7ML5421) – INSTRUCTION MANUAL
and LEFT to move the
Page 23