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| Connettori rotanti ottici |
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Huge volume of data
which has to be transferred interference-proof and fail-safe,
led to the development of a contact-free rotary connector. The
advantage of the rotary connector developed by STEMMANN-TECHNIK
is that this system operates with a „real picture“.
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| With this unique method there are
installed only optical components in the connector. This grants
an almost unlimited interference immunity. The transmitter -
and reception electronics are installed in EMC-safe steel-sheet
housings. This way of transmission allows manufacture tolerances
up to millimetres, conventional devices are provided with adjustment
accuracies within the µ-metre range. The system allows
nearly every diameter of the transfer optics, thus free borings
and modification of shafts and columns are possible. This is
a convenient and wear-resistant working system. |
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| Technical specification |
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Transfer rate 12 Mbit/s
Bit-error rate <10-9
Optical wavelength 650 nm
Laser class 2
Interface RS 422, RS 485
(e. g. Profibus, Interbus, etc.)
bi-directional
In- and outputs electrical with copper or fibre
optic ring and polymer as well
EMV only optical parts inside
the connector
Design modular, almost unlimited
adjustable to every diameter
Maintenance maintenance-free, because contact-free
service-life of the laser-diode:
about 50,000 hours
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