The Lcd Display - Siemens SITRANS LR250 Kompaktbetriebsanleitung

6 Commissioning
6.1 Basic safety information
WARNING
Loss of explosion protection
Danger of explosion when device is not properly commissioned
If opening device
Isolate from power.
•
- or -
Ensure that the atmosphere is explosion-free (hot work permit).
•
Ensure device is properly closed before returning to operation.
6.2 Programming SITRANS LR250
Out of the box, SITRANS LR250 will not begin measurements, and all blocks will be Out of Service until the device has been
configured via the local user interface (LUI), or a remote configuration tool.
Follow these steps to configure the device via the LUI:
● Power up the device.
● The LCD at startup will show LANGUAGE. Edit or cancel this selection. When complete, the device will show
QUICK START.
● Complete the Quick Start Wizard (see Quick Start Wizard via the handheld programmer (Page 32)). Completing the Quick
Start Wizard or writing any parameter via the LUI causes the device to begin measuring. The Resource Block (RES) and
Level Transducer Block (LTB) will move to Automatic mode.
● AIFB 1 and AIFB 2 will remain Out of Service (as displayed on the LCD). These blocks can only be configured and scheduled
using a network configuration tool. For more details, see
Instruments
(7ML19985MP01).
6.2.1

The LCD display

Measurement mode display
Normal operation
①
toggle indicator
a)
②
identifies which block is source of displayed value
③
Measured value (level, space, distance, or volume)
④
Units
⑤
Bar graph indicates level
⑥
Secondary region indicates on request
⑦
Text area displays status messages
⑧
Device status indicator, see Device status icons (Page 25)
Press UP or DOWN arrow to switch.
a)
In response to a key press request. For details, see Handheld programmer (Part No. 7ML1930-1BK) (Page 26) for key
b)
functions in Measurement mode.
24
for analog input function blocks (AIFB 1/AIFB 2, displayed as FB1/FB2)
electronics temperature, echo confidence, loop current, or distance
b)
System Integration
in manual
SITRANS LR250 (FOUNDATION FIELDBUS)
Foundation Fieldbus for Level
A5E33472700-AA, 08/2014