VEGA VEGADIS 12 - Manual (Page 8)

TRANSMITTER
+
4...20mA
+ - -
VEGADIS 12
DISPLAY
i
OPERATE
POINT
DISPLAY
OPERATE
t
ZERO
SPAN
TRANSMITTER
END
ZERO
1 2
4
3
5
Fig. 2: VEGADIS 12 with display
1 Adjustment insert
2 Indication
3 Cover
4 Housing
5 Breather facility
3.2 Principle of operation
VEGADIS 12 is an adjustment and indicating unit for the
following VEGA pressure transmitters:
l
VEGAWELL 72 4 … 20 mA/HART
l
VEGABAR 74 4 … 20 mA/HART
l
VEGABAR 75 4 … 20 mA/HART
VEGADIS 12 has the following functions:
l
atmospheric pressure compensation for the pressure
transmitter
l
Adjustment of the pressure transmitter
l
Indication of the measured value (optional)
VEGADIS 12 is looped in the supply and signal circuit of the
pressure transmitter and requires no separate external energy.
Connection is carried out via screw terminals in the housing.
3.3 Operation
As a standard feature, VEGADIS 12 is equipped with an
adjustment module for the pressure transmitter. The optional
indication is located in the housing cover and is equipped with
a bargraf and a digital indication. In this version, the additional
adjustment elements for scaling of the indication are inte-
grated.
Area of application
Functional principle
Supply
8 VEGADIS 12
Product description
20591
-EN
-071128