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Charlotte Stonestreet
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Fast optical EtherCAT encoders
26 February 2014
POSITAL’s new optical encoders with an EtherCAT interface are equipped with an FPGA solution from Altera that also forms the basis for optical Ethernet POWERLINK encoders.
The EtherCAT models provide high-speed data for positioning and speed control – they ensure extremely short cycle times of up to 125µs. Thanks to their distributed clock function, they allow users to synchronize axes with a deviation of <1µs.
The EtherCAT encoders support cable redundancy, thus minimising breakdown times in case of cable breaks: if special PLCs with two network cards are used, a maximum of one cycle is lost.
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