002-1005
001-1011
12 ... 30 V DC
4..20mA
12..30VDC
4 ... 20 mA
L +
PE
002-AP05
MWF
Microwave level measurement
M LLET
Füllstandtechnik
GmbH
MOLLET D-74706 Osterburken Tel. +49 6291 6440-0 Fax +49 6291 9846 Operating instruction
03/20
©
by MOLLET
MWF-BA-09
09
21. Switching sequence
ATTENTION:
- Separate supply and signal wire (4-wire-technology)
- Operation via display device with 2-wire-technology
not possible
- Connect grounding terminal with equalised
potential of the complete plant.
- Cable as short as possible
- Cable cross-section
2.5 mm²
Upper switch-point [oSA]
Lower switch-point [uSA]
Hysteresis
minimum 3 mm
Reference point [R]
NC
NO
Switching behaviour at
23. Potential compensation
- Check the condition of the probe at least once a year. It must not be
cracked, twisted or disentangled.
25. Maintenance
- Level measurement device
MWF
is maintenance-free in operation
according the intended use.
- Level measurement device
MWF
can be recycled.
26. Disposal
- Disposal of the MWF is subject to the environmental legislation of
the respective country in effect for the operator's premises.
- Check the terminal assignments for correctness and the
cable glands for tightness.
- Switch on the power supply.
(Adaption of parameters only by changed process conditions and
after consulting MOLLET recommended)
24. Commissioning
All required parameters are programmed with factory settings.
- LED shines green and blinks after approx. 6 seconds.
-
MWF is supplied ready for operation.
- MWF is in measuring mode.
- Be aware of the duly fit of the housing cover.
20. Connection plan
20.1
Connection drawing
2.3 Configure switch-points.
Upper switch-point [oSA]
and
l
ower switch-point [uSA]
of the
hysteresis are freely positionable
inside the measuring range.
For adaption of switch-points please
see parameterisation manual page 3:
22. Electrical connection
- Basic installation cable with solid or stranded wire is sufficient.
- Connect the MWF appropriate the connection plan.
- Recommended are wire-end ferrules without plastic collar.
