Honeywell RM640 Handbook page 89

Non-contact radar level meter - 24 ghz radar (fmcw) level transmitter for solids from granulates to rocks
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RM640
Menu No. Function
C2.5
Overfill
Detection
C2.6
Overfill
Threshold
C2.7
Mult. Refl.
Enable
C2.8
Empty
Spectrum
Enable
C3 Conversion
C3.1 Edit Table
C3.1 Edit Table
C3.1 Edit Table
C3.1 Edit Table
C3.1.1
Erase Table?
34-VF-25-131 iss.1 GLO Feb 2019 US
Function description
If this function is in operation, the device will
monitor the level even if it is in the blocking
distance. The output shown on the display
screen stays fixed at the blocking distance,
but an error message will warn the user
that the tank is too full.
Minimum access level to change the
Minimum access level to change the
Minimum access level to change the
Minimum access level to change the
setting: Expert
setting:
setting:
setting:
If you have set menu item C2.5 Overfill
Detection to "Enabled", this menu item will
be available. If the device cannot easily
measure in the blocking distance (see menu
item C1.5), then you can change the overfill
threshold. This value is a percentage of the
radar signal amplitude. To enter the correct
value, we recommend that you speak or
write to your supplier.
Minimum access level to change the
Minimum access level to change the
Minimum access level to change the
Minimum access level to change the
setting: Expert
setting:
setting:
setting:
Multiple reflections will cause the device to
display smaller level readings. Installation
of the device on a manhole or at the centre
of a dome roof, and high dielectric products
(εr >5) can cause multiple reflections. A very
calm surface or a tank with a small convex
or flat roof can also cause multiple
reflections.
If this function is in operation, the device
looks for the first signal peak below the
process connection. This signal peak is then
used to measure the level of the tank
contents. If this function is not in operation,
the device looks for the largest signal below
the process connection.
Minimum access level to change the
Minimum access level to change the
Minimum access level to change the
Minimum access level to change the
setting: Expert
setting:
setting:
setting:
This function starts and stops the
interference signal filter. Interference
signals are the result of fixed and moving
obstacles inside the tank. If you must do a
spectrum analysis, record an empty
spectrum first. Do the "Empty Spectrum"
procedure (menu A4.2) in the Quick Setup
menu.
Minimum access level to change the
Minimum access level to change the
Minimum access level to change the
Minimum access level to change the
setting: Expert
setting:
setting:
setting:
Before you can make a conversion table, you
must delete the data that is stored in the
device at this time. If you set this menu item
to "No" you will go back to menu C3.1. If you
set it to "Yes", you will go to menu item
C3.1.3 Select Conversion.
Minimum access level to change the
Minimum access level to change the
Minimum access level to change the
Minimum access level to change the
setting: Expert
setting:
setting:
setting:
www.honeywellprocess.com
OPERATION
Selection list
Disabled, Enabled
min-max:
0.0...100.0%
Disabled, Enabled
Disabled, Enabled
Yes, No
6
Default
Disabled
1
10%
Disabled
1
Disabled
No
89

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