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4. On the Easy Setup menu, select 2 to configure
Length Unit. Two options are available,
Meters and Feet . Select the preferred unit.
5. On the Easy Setup menu, select 3 to configure
Empty Distance . This is the distance (in units selected
in step 4) from the face of the sensor to the bottom
of the tank. In Level mode, Empty Distance indicates
the tank is empty, or the 1V point.
Empty
distance
6. On the Easy Setup menu, select 4 to configure Span.
This is the distance from the bottom of the blanking
distance of the sensor to the bottom of the tank. In Level
mode, Span indicates the tank full position, or the 5V point.
Span
IMPORTANT (NOTE)
Span cannot be adjusted beyond Blanking .
The LST100 limits the Span value based
on the Blanking distance set in step 7.
7. On the Main menu, select 5 to configure Blanking .
This is the area close to the transmitter where meaningful
measurements cannot be made. The default value
is according to the product specification. Adjusting
Blanking is optional.
Blanking
8. On the Easy Setup menu, select 6 to configure Max Rate
of Change . This is the maximum speed at which the level
is allowed to change and provides filtering for any brief
disturbances.
5 Configuration
The LST100 uses RS485 communication protocol to enable
configuration using a laptop computer.
5.1 Menu navigation
On the Main menu there are 8 selectable options. The first 5
are submenus and the last 3 are navigation options.
The submenus:
1. Easy Setup
contains the most important parameters
2. Calibration
contains all settings required to calibrate
the measurement or the analog output
3. Monitor Console
enables access to real time
measurement and instrument status
information
4. Advanced Setup
contains more advanced parameters
not required for common configuration
5. Diagnostics
contains all alarms and diagnostic
information
Navigation options:
Navigation options are displayed in all menu levels. The menu
is not case sensitive and accepts upper or lower case input.
B. Back to previous return to previous menu
menu operation
R. Refresh current
the menu is refreshed with the
menu
newest value
Q. Quit
User is logged off and must log on
again before being able to configure
the instrument
After sending a command to the LST100, one of three
responses are returned:
No.
Response status
1
Invalid input
2
Successful
3
This item is read only.
LST100 – Ultrasonic level transmitter | OI/LST100-EN 15
Description
The input value is out of range.
Setting is successful.
The item is read only and cannot be
configured.
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