Page 106
Dimensions
P1 or P2
P1-105, P2-105 Empty Level
This parameter is to be set to the maximum distance from the face of the
transducer to the empty point, in P*104 Measurement Units. Note this
value affects span as well, (see important information below), so should be
set before span.
Important Information
When using the dB Mach 3 the empty distance is measured from the end
of the horn to the empty point in P104 Measurement Units.
Important Information
When changing the Empty Distance (P1-105, P2-105) you can also
recalculate the values for the Span so that it equals the empty distance
(P105) minus Near Blanking (P107) and the Relay Setpoints, so that they
remain at the same percentage values of the empty distance as they were
before you changed the empty distance (P105). You will be asked the
question “Recalculate Span?” if you choose YES (enter 1), then the span
will be recalculated. Any other answer will leave the span at its original
value. You will then be asked if you want to “Recalculate Setpoints?”, if
you choose YES (enter 1), then all Relay Setpoints will be recalculated as a
percentage of the new empty distance. Any other answer will leave the
setpoints at their original values.
P1-106, P2-106 Span
This parameter should be set to the maximum distance from the Empty
Level (P1-105, P2-105) to the maximum material level. It is automatically
set to be equal to the Empty Level (P1-105, P2-105) less the Near
Blanking distance (P1-107, P2-107), when you set the empty level.
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