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# Wiki
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*SPIETBOX** is a board developped around an FPGA SPARTAN-3 in order to processing TTL and SSI encoders.
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At the moment it can embed the following process:
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- \* Adding 2 TTL Encoders (For eccentricity compensation of a
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mechanical axis
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- \* Level Conversion RS422 to TTL
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- \* Duplicate encoder signal
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- \* Triggers generation from encoder signal
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- \* Protocol transfer
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- \* \> \> Quadrature to PULSE and DIR signals
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- \* \> \> SSI 12 Bits to SSI 25 Bits (ControlBox)
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### Files
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* [SPIETBOX.jpg](/uploads/4d831a57dd62cdbc7ec108c9ab5f951e/SPIETBOX.jpg)
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* [Synoptique_SPIETBOX.jpg](/uploads/50a33cdf327ec0906339e11db737f5b6/Synoptique_SPIETBOX.jpg) |
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