VEGA VEGAFLEX 81 4 … 20 mA_HART - four-wire - Manual (Page 44)

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6 Set up with the display and adjustment module
VEGAFLEX 81 • 4 … 20 mA/HART - four-wire
41825-EN-130314
The menu item "Echo curve" shows the signal strength of the echoes
over the measuring range in V. The signal strength enables an evalua-
tion of the quality of the measurement.
With the following functions you can zoom part sections of the echo
curve.
•
"X-Zoom": Zoom function for the meas. distance
•
"Y-Zoom": 1, 2, 5 and 10x signal magnification in "V"
•
"Unzoom": Reset the presentation to the nominal measuring range
with single magnification
In this menu item you can simulate measured values via the current
output. This allows the signal path to be tested, e.g. via downstream
indicating instruments or the input card of the control system.
Select the requested simulation size and adjust the requested value.
Caution:
During simulation, the simulated value is outputted as 4 … 20 mA cur-
rent value and digital HART signal.
Push the [ESC] key to deactivate the simulation.
Information:
The simulation is terminated automatically 60 minutes after the last
key has been pushed.
The function "Echo curve memory" enables storing echo curves of the
measurement.
Under the sub-menu item "Echo curve memory" you can store the
current echo curve.
Diagnostics - Echo curve
Diagnosis - Simulation
Diagnostics - Echo curve
memory