Adjustment Of The Micro Switch Or The Proximity Switches (Option) - Burkert 8690 Manuel D'utilisation

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9.4
adjustment of the micro switch
or the proximity switches (option)
Danger!
risk of electric shock.
▶ Before working on equipment or device, switch off the power
supply and secure to prevent reactivation.
▶ Observe applicable accident prevention and safety regulations
for electrical equipment.
note!
Breakage of the pneumatic connection pieces due to rota-
tional impact.
▶ When unscrewing and screwing the transparent cap, do not hold
the actuator of the process valve but the connection housing.
procedure:
Open the Pneumatic Control Unit: unscrewing the transparent
cap in an anticlockwise direction.
Adjust the lower micro switch or the proximity switches via the
adjusting screw(s) (see "Fig. 21").
In the case of the option with micro switches only the lower
micro switch can be set with the screw, the upper micro
switch is fixed.
26
english
Type 8690
Electricalinstallation
Check the switching point(s) using suitable measuring
equipment.
Close the Pneumatic Control Unit.
Screw for adjustment of the lower
micro switch or the lower proximity
Screw for adjustment of
the upper proximity switch
Connection housing
Fig. 21: Adjustment of the micro switch and the proximity switches
adjustment of the lower
micro switch or the prox-
switch
imity switches
upwards
downwards
turn screw
turn screw
clockwise
anticlockwise

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