P712 ECHO LOCK SAMPLING
The sampling criterion sets the number of consecutive echoes appearing
above or below the echo currently locked onto, that must occur before the
measurements are validated as the new reading (for Echo Lock P711
values: 1 or 2).
P711 value P712 preset value
1, max verification 5:5
2, material agitator 5:2
e.g. : P711 = 2, material agitator
P712 = 5:2
a new reading will not be validated unless 5 consecutive
measurements higher or 2 consecutive measurements lower
than the current reading occurs.
values: x.y x= # of ‘above’ echoes y = # of ‘below’ echoes
Resetting P711 returns P712 to the respective preset values.
P713 ECHO LOCK WINDOW
Use this feature to adjust the new measurement change permitted
before Echo Lock is applied.
This value is automatically altered when Measurement Response (P003),
Max Fill Rate (P700) or Max Empty Rate (P701) is altered.
The Echo Lock Window is a "distance window" (in Units, P005), placed
about the echo used to derive the Reading. When a new measurement falls
within the window, the window is recentered and the new Reading is
calculated. Otherwise, the new measurement is verified by Echo Lock (P711)
before the HYDRO+ updates the Reading.
When "0" is entered, the window is automatically calculated each time a
measurement is made. The calculation is based on the Max Fill/Empty Rate
(P700 / P701), (dependent upon current vessel filling / emptying activity), and
the time since the last valid echo was processed.
For slower Measurement Response (P003) values, the calculated Echo Lock
Window is narrow. For faster values the window becomes increasingly wider.
values: 0.000 to 9999
PARAMETERS
PL-507 129
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