Manufacture Date; Powered Hours; Power-On Resets; Lcd Fast Mode - Siemens Sitrans LR250 Operating Instructions Manual

4.6. Manufacture Date

The date of manufacture of the SITRANS LR250 (yy mm dd).

4.7. Powered Hours

Displays the number of hours the unit has been powered up since manufacture.
To view via SIMATIC PDM, open the menu Device – Wear.

4.8. Power-on Resets

The number of power cycles that have occurred since manufacture.
To view via SIMATIC PDM, open the menu Device – Wear.

4.9. LCD Fast Mode

Notes:
• LCD Fast Mode takes effect only after 30 minutes of inactivity. (Each time the
device is powered up, a further 30 minutes of inactivity is required.)
• LCD Fast Mode affects Measurement mode only; it has no effect on Navigation
mode.
Enables a faster rate of measurement from the device by disabling most of the
display area. Only the bar graph will be refreshed when LCD Fast Mode is set to ON.
Values

4.10. LCD Contrast

The factory setting is for optimum visibility at room temperature and in average light
conditions. Extremes of temperature will lessen the contrast.
Values
Adjust the value to improve visibility in different temperatures and light conditions.
Change the value in small steps to ensure you can continue to read the display.

5. Communication

Note: Default settings in the parameter tables are indicated with an asterisk (*)
unless explicitly stated.

5.1. Device Address

Note:
The address can be changed and locked from a remote master. See
PROFIBUS address
Master Reset (4.1.) on page 93 to reset Device Address to 126.
Sets the unique address of the device on the network (also called PROFIBUS
address).
Values
Page 106 SITRANS LR250 (PROFIBUS PA) – OPERATING INSTRUCTIONS
ON
* OFF
Range: 0 (High contrast) to 20 (Low contrast). Default: 10
on page 146 for details on disabling the address lock and
0 - 126. Default: 126
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