Process Variables; Trend - Siemens LR250 Instruction Manual

Process Variables

To compare outputs in real time open the menu View – Process Variables and click on
Overview to see reading (level, space, distance, volume); analog output; device status; and
current electronics temperature.
To see highest and lowest electronics temperatures, navigate to Level Meter > Maintenance
and Diagnostics > Electronics Temperature.

Trend

Open the menu View – Process Variables and click on Trend.
space
Page 58 SITRANS LR250 (HART) – INSTRUCTION MANUAL
distance
volume
level
4 trend lines can be
monitored:
(distinguished by color in
SIMATIC PDM).
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