Burkert Type 8020 - Manual (Page 8)

28
installation of the 8020 on the
s020 fitting
→
Insert nut 3 on fitting 5.
→
Insert snap ring 2 into
groove 4.
→
Check that seal 6 is
correctly inserted on the
flow sensor.
→
Slowly insert device 1
into the fitting.
If the mounting is correctly
done the device cannot be
turned around anymore.
→
Hand lock the assembly
with nut 3.
1
2
3
4
5
6
Fig. 2: Installation of the flowmeter on the S020 fitting
English 29
Wiring
danger
risk of injury due to electrical discharge
• Shut down and isolate the electrical power source
before carrying out work on the system.
• Observe all applicable accident protection and safety
regulations for electrical equipment.
protect the power supply
• Protect the power supply with a correctly rated
fuse if it is not protected by default.
• Use a shielded cable with an operating tem-
perature limit higher than +80 °C.
• Use a high quality electrical power supply (fil-
tered and regulated).
• Do not install the cable near high voltage or high
frequency cables.
• If a closed installation cannot be avoided,
maintain a minimum distance of 30 cm.
English 29
30
Assembling the female connector
1
2
3
4
→
Unscrew nut [1] of the cable gland.
→
Remove terminal block [3] from
housing [2].
→
Insert the cable into nut [1], through
seal [4], and into the cable gland and
finally through housing [2].
→
Connect the wires on terminal block
[3].
→
Position terminal block [3] in steps of
90° then put it back into housing [2],
pulling gently on the cable so that the
wires do not clutter the housing.
→
Tighten nut [1] of the cable gland.
6
5
→
Place seal [5] between the connector
and the fixed connector on the device
and then plug the 2508 connector into
the fixed connector.
→
Insert and then tighten screw [6] to
ensure tightness and correct electrical
contact.
Fig. 3: Assembling the female connector type 2508
(supplied)
English 31
1
2
3
4 1 : V+ (12-36 V DC)
2 : NPN transistor output
3 : 0 V DC
4 : PNP transistor output
Fig. 4: Pin assignment of the fixed connector, Hall
version
12-36 V DC
+ -
+ -
1
3
2
V+
0 V DC
Power supply
Terminal block of the 2508
Pulse input on external instrument
Fig. 5: NPN wiring of the Hall version
English 31