Liebherr presents the intelligent position transducer LiView which determines the exact piston position and speed through high-resolution absolute measurement.
- Especially suitable for automation of mobile machinery
- Can be easily integrated, is universally applicable and extremely robust
- Utilizes the piston itself as robust sensing element
- System consists of processing electronics and two probes
- Measures cylinder’s scattering parameters using signals at different frequencies injected onto cylinder itself
- Piston position and speed are calculated in real-time by processing electronics, allowing dynamic automation of machines for more efficiency and higher productivity
- Fixed installation of all components, so there are no moving parts in oil (e.g. magnet) required which may cause contamination
- Electronics can be installed either on cylinder or directly on machine
- Only both probe heads require a connection to piston rod bearing
- Probe heads swim on an oil film and are therefore wear-free
- No further modifications of cylinder or drilling the piston rod are necessary
- Integration concept ensures easy accessibility of all components
- Space in cylinder can be used entirely for the idle stroke, as the probe heads are integrated in the piston rod bearing
- Full cylinder length is available with position transducer installed
- Allows installation on small and in very long cylinders
- Functionality can be configured in accordance with specific application requirements
- Certified according to EN ISO 13849 PL d and EN IEC 61508 SIL2e for safety-relevant applications
- Measurement cycle of <200 μs
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