Burkert 8681 - Safety Instructions (24 V DC); Electrical Installation (24 V DC); Cable Gland with Screw Terminals

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24VDC - Design
10.4 Safety instructions
DANGER!
Danger of explosion in a potentially explosive atmosphere (only in the event of a fault as zone 2)!
` Opening the hood or the housing in a potentially explosive atmosphere is only allowed in a not ener-
gised state!
WARNING!
Risk of injury due to electric shock!
` Beforereachingintothesystem(exceptfortheTeachprocedureinanon-explosiveatmosphere)switch
othepowersupplyandsecureittopreventrestarting!
` Observeapplicableaccidentpreventionandsafetyregulationsforelectricalequipment!
` Whensettingthepositionmeasuringsystem(Teachprocedure),donotcontactanylivecomponents!
Risk of injury from improper installation!
` Installation may be carried out by trained technicians only and with the appropriate tools!
Risk of injury from unintentional activation of the system and uncontrolled restart!
` Secure system against unintentional activation.
` Following installation, ensure a controlled restart.
10.5 Electrical installation / start-up
10.5.1 Cable gland with screw terminals
Procedure:
→ Open the housing following the instructions in chapter “8OpeningandClosingtheHousing”.
→ Assemble connection cables for signals and power supply as well as for the external initiator where nec-
essary in observance of the rules of technology.
→ Insert cables through the respective cable glands into the interior of the housing.
→ Connectthewirestotheconnectionterminalsaccordingtotheconnectioncongurationdescribedin“Fig.
15”.
Ifrequired,securethecablewithacableclip!
→ Close the housing following the instructions in chapter “8OpeningandClosingtheHousing”.
NOTE!
Ensure IP protection!
` To ensure IP protection, the union nuts of the cable glands must be tightened in accordance with the
cablesizesordummyplugsused(approx.1.5Nm).
` If no external initiator is used, the right-hand connection opening must be tightly sealed using a dummy
plugorusingacablegland(SW19,Ø3-6mm)+dummyplug(Ø5-6mm)!
english
Control Head Type 8681