Siemens 7ML5431 - Programming

Commissioning
6.2 Operating via the handheld programmer
SITRANS LR250 with mA/HART
54 Operating Instructions, 10/2019, A5E32220602-AG
Key functions in measurement mode
Key
Function
Result
Updates the loop current New value is displayed in LCD secondary
region.
Updates internal enclosure temperature
reading
Updates echo confidence value New value is displayed in LCD secondary
region.
Updates distance measurement
Mode
opens PROGRAM mode Opens the menu level last displayed in this
power cycle, unless power has been cycled
since exiting PROGRAM mode or more than
10 minutes have elapsed since PROGRAM
mode was used. Then top level menu will be
displayed.
RIGHT arrow
opens PROGRAM mode Opens the top level menu.
UP
or
DOWN arrow
toggles between
linear units and percent
LCD displays measured value in either linear
units or percent.
6.2.3 Programming
Note
•
While the device is in
PROGRAM mode the output remains fixed and does not respond to
changes in the device.
•
The device automatically returns to Measurement mode after a period of inactivity in
PROGRAM mode (between 15 seconds and 2 minutes, depending on the menu level).
Change parameter settings and set operating conditions to suit your specific application. For
remote operation see Operating via SIMATIC PDM (Page 69) or Operating via AMS Device
Manager (Page 90).