Siemens 7ML5670 - Menu Position 5: Damping; Recommissioning and Maintenance

Operation
SITRANS LC300
Operating Instructions, 05/2021, A5E47904073-AA
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6.12
6.13 Menu position 5
Display
• LCD shows the damping value. The damping value alters the speed at which
the primary variable will track the signal from the probe.
Up button
• Pressing Up button for less than 1 second increases the damping value in 0.01
steps. Damping can be set to any value from 1.0 to 1000.0
• Holding the Up or Down buttons for more than 1 second increases the step
size to 0.1. If you continue to hold the button, the step size increases to 10,
100, and 1000 (displayed as 1E3). When no button is pressed for 4 seconds,
the step size decreases to the next smallest value. At each step size, press the
buttons for less than 1 second to adjust the value.
Down button
• Pressing Down button for less than 1 second decreases the damping value in
0.01 steps. Damping can be set to any value from 1.0 to 1000.0
• When held for more than 1 second, the Down Button will increase the step size
by 0.1, 10, 100, and 1000. When no button is pressed for 4 seconds, the step
size decreases to the next smallest value. At each step size, press the buttons
for less than 1 second to adjust the value.
Both buttons
• Holding both buttons for more than 1 second sets the damping value back to
1.0 (default).
6.14
6.15 Recommissioning
LC300 should be recommissioned whenever the transmitter or probes are replaced.
LC300 LRV will be programmed as factory default. The LRV can be re-adjusted in menu 1.
Setting URV
If probe is fully covered in application:
Set URV by pressing both buttons for more than 1 second in menu 2 when probe is fully covered.
If probe is rarely or never fully covered, set the LC300 to your application based on the following ex-
ample:
LRV (0%)
Menu 1 reads 12.5 pF
Actual level is at 45% of the measurement length of probe:
PV (45%)
Menu 0 reads 37 pF