Real time wireless interfacing for encoders
15 July 2009
SwiftComm from USA encoder specialists BEI, is a wireless transmitter and receiver system for incremental or SSI absolute encoders and sensors that allows cable-free, high speed communication using a secure 2.4 GHz RF protocol.
Real time wireless interfacing for encoders
Available exclusively in the UK from Variohm EuroSensor, SwiftComm is aimed at motion control and position measurement applications where it can replace hard wired cabling over long runs, or simplify installation for rotating equipment and complicated encoder to controller routing on all types of machinery.
To maintain high reliability, the transmitter-receiver pair uses a highly secure 2.4 GHz Adaptive Frequency Hopping Protocol (AFHP) that sequentially and continually selects a suitable interference-free channel from several available. The high speed communications system boots up immediately and updates information every 600 microseconds for minimal signal latency. Transmission range is dependant upon environmental conditions but can be up to 300 metres.
Full protection is ensured with 40-bit data encryption and 5-byte range security coding with more than 500 billion codes available plus integrated data recovery and error checking included to counter data packet transmission loss.
For maximum environmental resilience, the transmitters and receivers are housed in sealed cast aluminium enclosures with full protection to NEMA 4 standards for water spray.
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