Endress+Hauser Liquiphant FTL31 IO-Link Operating Instructions Manual page 11

Liquiphant FTL31 IO-Link
 3 Installation examples
1 Overfill prevention or upper level detection (maximum safety)
2 Dry running protection for pump (minimum safety)
3 Lower level detection (minimum safety)
5.1.2 Switch point
The switch point A on the sensor depends on the orientation of the point level switch (water
+25 °C (+77 °F), 1 bar (14.5 psi).
Configuration is possible via IO-Link.
A
 4 Orientation: vertical from above, vertical from below, horizontal; dimensions in mm (in)
5.1.3 Viscosity
Switching delays may occur in the case of highly viscous liquids. Make sure that the liquid can
easily run off the tuning fork:
• If installing in vessels with high-viscosity liquids (A), the tuning fork may not be located in
the installation socket!
• If installing in vessels with low-viscosity liquids (B), the tuning fork may be located in the
installation socket.
• The installation nozzle must be no less than the minimum diameter of 50 mm (2.0 in).
Endress+Hauser
3
A
1
2
A
Installation
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