Siemens sitrans PROBE LU User Manual

Page 18 SITRANS Probe LU (PROFIBUS PA) – INSTRUCTION MANUAL 7ML19985JB02
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Startup
PROGRAM Mode Display
When you activate PROGRAM mode for the first time in any power cycle, the LCD
displays the first menu. If, during the same power cycle, you switch to RUN mode, and
then back to PROGRAM mode, then the LCD will display the menu or item that was last
accessed in PROGRAM mode.
Security
Local operation enable
Local Operation can be enabled or disabled via PDM (see details under Setting the
PROFIBUS address via the handheld programmer on page 19).
Write locking
Write locking prevents any changes to parameters, either via PDM or the handheld
programmer, but still allows access to the device (see page 76).
Remote operation enable
Remote Operation can be enabled or disabled via the handheld programmer (see
page 45).
Master Reset
Open the menu Device – Master Reset to access the reset options. (See page 46 for
handheld programmer instructions.)
Note: SITRANS Probe LU (PROFIBUS PA) continues to monitor In and Out values even
when the device is in PROGRAM mode.
1 – Primary region (displays parameter value)
2 – Menu number region (displays Menu number)
3 – PROGRAM mode icon
4 – Secondary region (displays text label)
1
2
3
4

Siemens sitrans PROBE LU Specifications

General

Measuring Principle	Ultrasonic
Communication	HART
Output	4 to 20 mA
Power Supply	12 to 30 V DC
Process Temperature	-40 to 80 °C
Enclosure Rating	IP68
Material	PVDF
Ambient Temperature	-40 to 70 °C
Measurement Range	0.25 to 12 m (0.8 to 39 ft)