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Pyxos FT - Embedded Control Networking Platform

The Pyxos FT network chip embeds both the protocol for a Pyxos platform and the transceiver for communicating on the Pyxos network. The Pyxos chip can fit in virtually any sensor or actuator and can be directly connected to a digital I/O without a microcontroller or with a wide variety of industry standard microcontrollers using the chip’s serial peripheral interface (SPI) port for more complex I/O requirements.

Features

  • Very small -- fits into almost any sensor and actuator (20-pin QFN 5mm x 5mm package)
  • Self-organizing feature configures the network without special tools or skilled labor
  • High-speed deterministic operation (<= 25ms response time)
  • 312.5kbps network transmission speed
  • Polarity-insensitive, free topology, twisted-pair wiring
  • Link power supports communication and power over that same pair of wires
  • Exceptional data integrity with Forward Error Correction and 18 bit packet CRC
  • Exceptionally high common mode noise and interference immunity
  • Network pins ESD protection to over 8kV HBM
  • -40°C to +85°C operating temperature range
  • RoHS-compliant

Specifications

  • Network Connections Polarity-insensitive
  • Protocol Deterministic TDM protocol with automatic retries on CRC error
  • Response Time (reading and writing 25ms scan time for up to 32 Points
  • Data Integrity Forward error correction of up to 2 bit errors per packet; 18 bit packet CRC
  • MAC ID Built-in * Maximum Pyxos Points per Pyxos Pilot 32
  • Transmission Speed 312.5 kilobits per second, fixed polling cycle
  • Transformer-isolated (very high common mode and interference immunity)
  • Pyxos Host Microcontroller Interface SPI (Serial Peripheral Interface)
  • Package 20 Pin QFN 5mm x 5mm package
  • Operating Voltage 3.3V ±10%
  • Operating Temperature -40ºC to +85ºC

Downloads

The Pyxos High-Power Link Power reference design is available to use and modify after signing a license agreement. For more information, contact Echelon sales.