General Operation; Starting Measurement; Measurement Conditions; Response Rate - Siemens SITRANS L 7ML5400 Operating Instructions Manual

General Operation

This chapter provides details on the general operation and functionality of the SITRANS
LUT400. For instructions on the use of the device LCD and local push buttons, refer to Local
Commissioning (Page 50).
7.1

Starting measurement

The SITRANS LUT400 is a single point device. The device starts in LEVEL mode with a preset of
no transducer and a low calibration point of 60 meters. Change the following common
parameters to reflect your application.
Parameter
Sensor Mode (2.1.2.) (Page 173)

Response Rate

(set via Quick Start (Page 59))
Transducer (2.1.6.) (Page 174)
Units (2.1.1.) (Page 172)
Low Calibration Point (2.2.1.) (Page 176)
High Calibration Point (2.2.2.) (Page 176)
7.1.1

Measurement conditions

The following information will help you configure your SITRANS LUT400 for optimal
performance and reliability.
7.1.1.1 Response Rate
The response rate of the device influences the measurement reliability. Use the slowest rate
possible with the application requirements.
Note
Changes to fill and empty rate parameters can override Response Rate setting. See Response
Rate in Quick Start Wizards (Page 58).
83
Sample Value
LEVEL
MEDIUM
XPS-15
M
12
2
Operating Instructions, 04/2021, A5E33329501-AG
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SITRANS LUT400