Vega VEGAFLEX 86 - Principle of operation

8
4 Connecting to power supply and bus system
VEGAFLEX 86 • Modbus and Levelmaster protocol
47614-EN-230605
4 Connecting to power supply and bus
system
4.1 Connecting
The voltage supply and signal output are connected via the spring-
loaded terminals in the housing.
Connection to the display and adjustment module or to the interface
adapter is carried out via contact pins in the housing.
Information:
The terminal block is pluggable and can be removed from the
electronics.Todothis,lifttheterminalblockwithasmallscrewdriver
andpullitout.Whenreinsertingtheterminalblock,youshouldhearit
snap in.
Proceed as follows:
1. Unscrew the housing lid
2. Ifadisplayandadjustmentmoduleisinstalled,removeitbyturn-
ing it slightly to the left
3. Loosen compression nut of the cable gland and remove blind
plug
4. Removeapprox.10cm(4in)ofthecablemantle,stripapprox.
1 cm (0.4 in) of insulation from the ends of the individual wires
5. Insert the cable into the sensor through the cable entry
1 2
Fig.3:Connectionsteps5and6
1 Single chamber housing
2 Double chamber housing
6. Insert the wire ends into the terminals according to the wiring plan
Note:
Solidcoresaswellasexiblecoreswithwireendsleevesareinsert-
eddirectlyintotheterminalopenings.Incaseofexiblecoreswithout
endsleeves,presstheterminalfromabovewithasmallscrewdriver,
theterminalopeningisthenfree.Whenthescrewdriverisreleased,
the terminal closes again.
7. Check the hold of the wires in the terminals by lightly pulling on
them
8. Connecttheshieldingtotheinternalgroundterminal,connectthe
externalgroundterminaltopotentialequalisation
Connection technology
Connection procedure