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7 Set up with the integrated display and adjustment unit
VEGAMET 861 • 4 … 20 mA/HART
58866-EN-200401
Information:
When using PACTware and the respective DTM or the VEGA Tools
app, additional settings can be carried out which are not possible or
only partly possible with the integrated display and adjustment unit.
Communication takes place via the built-in Bluetooth interface.
The device is configured ex works for universal applications. The
following applications can be changed over and configured via the
VEGA Tools app or the DTM:
•
Universal
•
Level storage tank
•
Pumping station
•
Sewage screw lifting station
•
Flow measurement flume/weir
Information:
An overview of the available applications and functions can be found
in the appendix
The main menu is divided into four areas with the following functions:
•
Measuring point: Includes settings for adjustment, linearization,
scaling, relay outputs, …
•
Display: Contains settings for display of measured values
•
Extended functions: Includes settings for fail safe relay, access
protection, reset, …
•
Diagnosis Includes information on device type/status, …
7.4.1 Measurement loop
The VEGAMET 861 can process measured values from 4 … 20 mA/
HART sensors via analogue communication as well as via digital
HART protocol.
Analogue 4 … 20 mA transmission
In the standard setting of VEGAMET 861 the measured value trans-
mission is carried out via analogue 4 … 20 signal. An adjustment in
the sensor influences directly the input variable of VEGAMET 861.
Only carry out the adjustment on one instrument, either on VEGAMET
861 or on the sensor. The adjustment in VEGAMET 861 is always car-
ried out in mA (analogue transmission).
Digital HART transmission
For transmission via HART, VEGAMET 861 must be informed which
sensor value should be used for further processing. Depending on
the sensor type, this can be distance, pressure or temperature. With
all HART sensors, the unchanged initial value of the sensor is always
transmitted to VEGAMET 861. Thus, adjustment must always be car-
ried out on VEGAMET 861, never on the sensor. Different parameters
and measuring units are available.
When connecting HART sensors from other manufacturers, the fol-
lowing selection options are available, among others:
Applications
Main menu
Input
