Run Mode Display; Normal Operation; Failsafe Operation - Siemens SITRANS Probe LU Quick Start Manual

11. If the equipment is likely to come into contact with aggressive substances, then it is the
responsibility of the user to take suitable precautions that prevent it from being adversely
affected, thus ensuring that the type of protection is not compromised.
Aggressive substances:e.g. acidic liquids or gases that may attack metals, or
Suitable precautions:
12. Equipment Marking:
The equipment marking contains at least the information on the product nameplate, shown on
the inside front cover of this manual.
Operation
RUN Mode and PROGRAM Mode
SITRANS Probe LU has two modes of operation: RUN and PROGRAM.
SITRANS Probe LU automatically starts in RUN mode when power is applied, and detects the
material level. The primary reading displays the material level (in meters) referenced from
Empty (process empty level). This is the default start-up display mode.
System status is displayed on the LCD, or on a remote communications terminal.

RUN Mode Display

Use the hand programmer to control the display.

Normal operation

2
3
1
6
1 – Primary Reading (displays level, distance, or volume
2 – Secondary Reading (displays Parameter number for Auxiliary Reading
3 – Echo status indicator: Reliable Echo
4 – Units or Percent
5 – Active bar graph represents material level
6 – Auxiliary Reading (depending on the parameter selected, it displays milliAmp value,
distance, or echo confidence, with units where applicable.)
1.
For details on displaying flow instead of volume, please see P050 in the full manual.
2.
Press to display the auxiliary reading field when in RUN mode.
Page EN-8 SITRANS Probe LU (HART) – QUICK START MANUAL
solvents that may affect polymeric materials.
e.g. regular checks as part of routine inspections or
establishing from the material's data sheet that it is
resistant to specific chemicals.
1 2
4
5
m
or Unreliable Echo

Failsafe operation

3
1
6
1
, in either units or percent).
2
4
5
m
)
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