Emerson Rosemount 2160 Reference Manual page 87

Reference Manual
00809-0100-4160
Measurement time
The time needed for the fork sensor to take an accurate measurement, after reaching a
stable vibration, may vary depending on the process conditions. Measurement Time sets a
delay before taking a frequency measurement.
The default setting is "60 ms". It can be set to a time in the range 20 to 1000 ms and is
adjustable in 20 ms steps. Alternatively, the setting "AUTO" is for the Rosemount 2160 to
automatically calculate a delay.
Allowable change in fork frequency
When the level detector is re-calibrated in the field, a comparison is made between the
new dry fork frequency and original factory-set Dry Fork Frequency value. If the difference
is greater than the allowable change value, the re-calibration is rejected. Check the fork for
damage, corrosion, or coating, and clean the fork if necessary before re-trying.
The default setting is 100 Hz. It can be set to a value in the range 1 to 254 Hz.
Sensor fault delay
When the level detector is operating in Enhanced Mode and detects a fork sensor fault,
Sensor State indicates a fault state after a delay set by Sensor Fault Delay.
The default setting is 600 seconds. It can be set to value in the range 0 to 3600 seconds.
Note
When the level detector is operating in Normal mode, a fork sensor fault is not detected
and Sensor State continues to indicate a valid state.
B.1.3 Display
Display mode
The display can be configured to different display modes: Disabled, On Demand, or
Periodic.
Table B-3: Display Modes
Option
Disabled
On Demand
Periodic
Display items
The optional LCD display can be configured to show up to four variables:
• Output State variable (default selection)
• Sensor Frequency variable (default selection)
• Electronics Temperature variable
Rosemount 2160 Wireless Level Detector
Description
The display is always turned off.
The display is by default turned off. Selected variable screens will only
appear in the end of the diagnostic button screen sequence.
The display shows selected variable screens in a periodic sequence. A new
screen will appear on each wireless update.
Configuration parameters
May 2022
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