Measured Values (2.12.5.) - Siemens SITRANS L 7ML5400 Operating Instructions Manual

Ultrasonic level controllers
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Parameter reference (LUI)
9.2 Setup (2.)
Breakpoint 33-40 (2.12.4.5.)
Values
9.2.12.5

Measured Values (2.12.5.)

Read only. Allows you to view measured values for diagnostic purposes.
To access measured values via SIMATIC PDM:
Open the menu View – Process Variables.
Note
These parameters will display the simulated value when in simulation mode (see Simulation
process (Page 157)).
Level Measurement (2.12.5.1.)
The distance to monitored surface referenced from Low Calibration Point (2.2.1.) (Page 176),
defined in Units (2.1.1.) (Page 172).
Space Measurement (2.12.5.2.)
The distance to monitored surface referenced from Units (2.1.1.) (Page 172), defined in High
Calibration Point (2.2.2.) (Page 176).
Distance Measurement (2.12.5.3.)
The distance to monitored surface referenced from the transducer face (sensor reference
point), defined in Units (2.1.1.) (Page 172).
Volume Measurement (2.12.5.4.)
The calculated vessel volume (calculated from level and scaled according to vessel shape) in
Volume Units (2.6.2.) (Page 186).
Head Measurement (2.12.5.5.)
Available only on LUT430 (Pump and Flow model), and LUT440 (OCM model).
Corresponds to Head [the distance from Zero Head Offset (2.15.3.5.) (Page 237) to the
monitored surface in Units (2.1.1.) (Page 172)].
Flow Measurement (2.12.5.6.)
Available only on LUT430 (Pump and Flow model) and LUT440 (OCM model).
The calculated flowrate, defined in Flowrate Units (2.15.3.7.) (Page 238).
230
Range: –50 to 50 dB
Default: 0 dB
Operating Instructions, 04/2021, A5E33329501-AG
SITRANS LUT400

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