Write Locking - Siemens SITRANS LR250 PROFIBUS PA Operating Instructions Manual

Simulate input
1. Open the menu Device – Simulation, and select Simulation (Input).
2. To enable simulation select Fixed or Ramp.
3. If you select Ramp, enter the step length and number of steps.
4. Enter the simulated value and click on Transfer.
5. After simulation is complete, disable simulation and click on Transfer.
7.1.5.8

Write locking

Prevents any changes to parameters via PDM or the hand-held programmer. If Write Locking is
enabled, the data can be viewed but not modified.
To enable/disable Write Locking
1. Open the menu Device – Write Locking and turn Write Protection On or Off.
2. Click on Transfer.
SITRANS LR250 (PROFIBUS PA)
Operating Instructions, 01/2014, A5E32221386-AB
Remote operation
7.1 Operating via SIMATIC PDM
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