Vega VEGADIS 81 - Principle of Operation

8
3 Product description
VEGADIS 81 •
43814-EN-170913
The display and adjustment module can be optionally equipped
with heating to ensure good readability at low temperatures down to
-40 °C (-40 °F).
The scope of delivery encompasses:
•
Display and adjustment unit VEGADIS 81
•
Unassembled cable gland M20 x 1 for the sensor
•
Documentation
– This operating instructions manual
– Operating instructions manual 27835 "Display and adjustment
module PLICSCOM" (optional)
– Ex-specic"Safety instructions" (with Ex versions)
– Ifnecessary,furthercerticates
3.2 Principle of operation
VEGADIS 81 is an external, digital display and adjustment unit for all
plics
®
sensors.
The instrument is mounted in an easily accessible position up to 50 m
away from the sensor. It is directly connected to the sensor electron-
ics and also powered by it.
Measured value indication and sensor adjustment are carried out via
the display and adjustment module integrated in VEGADIS 81.
4
1
3
2
5
4
Fig. 2: Connection of VEGADIS 81 to the sensor
1 Voltage supply/Signal output sensor
2 Sensor
3 Connection cable, sensor - VEGADIS 81
4 VEGADIS 81
5 Display and adjustment module
Measured value indication and sensor adjustment are carried out via
the display and adjustment module integrated in VEGADIS 81.
Due to the low ambient temperatures, the version with heated display
and adjustment module is selected for this example.
Scope of delivery
Application area
Sensor adjustment
Sensor adjustment -
VE
GADIS 81 with heating