Siemens sitrans LU01 - Manual (Page 29)

7ML19985BE02 SITRANS LU01 – INSTRUCTION MANUAL Page 23
mmm
mm
Ope
rat
ion
Operation
In RUN mode, the SITRANS LU01 detects material levels and provides control functions.
The SITRANS LU01 automatically starts in RUN mode when power is applied.
Display in RUN Mode
In the RUN mode, the following values and indicators are observed. Many indicators are
specific to certain operating conditions and so not all indicators are not displayed at any
given time.
Display
Segment
Description
Transducer the current display linked to transducer measurement.
Reading displays the level, space, or distance (flashes error messages, if any).
Percent the Reading is in percent.
High Alarm indicates level has risen above 80% (and not yet fallen below 75%).
Low Alarm indicates level has fallen below 20% (and not yet risen above 25%).
Filling Indicator indicates the vessel is filling.
Emptying Indicator indicates the vessel is emptying.
Bar Graph
indicates the absolute (always a positive value) material level from 0 to
100%.
Data Out
indicates the SITRANS LU01 is transmitting data to the Peripheral Com-
munications terminals.
Scanning Indicator indicates point number scanned
Auxiliary Reading
as selected by the keypad (terminal numbers if transducer or TS-3 is
wired wrong).
Relay Number indicates the relays programmed for operation.
Relay Status indicates the relay is de-energized (alarm is activated).
Normal Operation indicates operating conditions are good and the Reading is reliable.
Failsafe Operation
indicates operating conditions are poor and the Reading may be incor-
rect.
low alarm
indicator
data out
indicator
scanning
indicator
auxiliary
reading
number
status
failsafe
operation
normal
operation
transducer
reading units
high alarm
indicator
filling/
emptying
indicator
bar graph