Siemens SITRANS LR 300, Instruction Manual, Page: 57 / 140

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 55
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Parameter Descriptions
The parameters are the programmable features of the SITRANS LR 300. Adjust the value
settings on the parameters to configure the unit.
The parameter tables show the values you need to enter in bold type, followed by
additional information when necessary. The pre-set values are the factory settings,
which may need alteration for specific applications.
Press the PROGRAM key followed by the TOGGLE key twice to open the parameter
fields.
P000 Lock
Secures the SITRANS LR 300 from changes.
Enter
000
to access the parameter, then enter any value other than
1954
to secure the
programming lock. Press ENTER to set the value. The
PROGRAM
mode is now active for
viewing only. To unlock, access this parameter and enter 1954.
Value 1954
Lock off: programming permitted
other
Lock activated: programming secured
Notes:
• This lock only applies to LCD/ hand programmer and Dolphin.
• A remote master can change configuration if P799 is set to allow this.
WARNING: Use this lock as backup security only. It uses a fixed
value which can be discovered by unauthorized personnel.
SITRANS LR 300.book Page 55 Monday, June 10, 2002 7:18 PM