Burkert Type 8697 - Manual (Page 27)

27
Electrical installation
Version with
three-wire
proximity
switches Version with
two-wire
proximity
switches Version with
two-wire
proximity
switches by
namur (ex
version)
5)
end position
top LED Top
is lit yellow is lit yellow goes out
end position
bottom LED Bottom
is lit yellow is lit yellow goes out
Fig. 24: End position LED yellow
The version with micro switches (mechanical limit switches) does
not include any LED to indicate position.
5)
In the case of the version with 2-conductor initiators according
to NAMUR the LED function is inverse for technical reasons, i.e.
the LED glows when the end position is not reached and goes
out when the end position is reached.
9.5. adjustment of the micro switches
or the proximity switches (option)
Danger!
risk of electric shock.
▶ Before reaching into the device, switch off the power supply and
secure to prevent reactivation.
▶ Observe applicable accident prevention and safety regulations
for electrical equipment.
procedure:
→
Open the Pneumatic Control Unit: unscrewing the transparent cap
in an anticlockwise direction.
→
Ensure that the distance between both switch cams is maximum.
(see “7. Installation”).
Switch spindle
Switch cam
3
Spacer sleeve
Maximum
distance
Fig. 25: Distance between the switch cams
english
Type 8697