Pyxos FT Network Chip 11500R Features Low- cost e m be d d e d control n et working chip for use insid e machin es and for ex te n d ing control n et works to high - pe r forma nce se nsor n et works M iniaturize d form fac tor tfi s into almost eve r y se nsor a n d ac tuator E x te nsible a rchite c ture for sea mless integration with LonWorks control n et works a n d th e Inte rn et S elf- orga nizing feature configures th e n et work witho ut spe cial tools or skille d la bor H igh spe e d dete rministic ope ration ( 2 5 ms response tim e) 3 12 . 5 kbps n et work tra nsmission spe e d Polarit y inse nsitive , f re e topology, t wiste d pair wiring Link Powe r allows se n ding com m unic ation a n d powe r ove r s a m e pair of wires Robust p e r forma nce id eal for in d ustrial a n d consum e r pro d uc t s a n d applic ations includ ing a utomotive , build ings , offi ce machin es , a n d tra nsp o r tatio n E xce ptional data integrit y with For wa rd Error Corre c tion a n d 1 8 bit packet C RC E xce ptionally high com mon mo de noise a n d inte r fe re nce im m unit y N et work pins E S D prote c tion to ove r 8 kV H B M - 4 0 C to +8 5C ope rating te m pe rature ra nge 20 Pin Q FN 5 m m x 5 m m package Ro H S - co m plia nt Introduction The Pyxos platform is the embedded control networking platform introduced by Echelon for stand-alone or LonWorks extending networking applications inside machines and in high-performance systems such as sensor and actuator I/O busses. Pyxos embedded control networks reduce product installation, warranty, and life-cycle costs. Pyxos self-organizing networks reduce installation costs and equipment assembly time by eliminating the need to use special tools or skilled labor for network configuration. This minimizes material and labor costs. The remote diagnostics afforded by the Pyxos platform enable new features that let manufacturers access low-level data from sensors and actuators, such as process efficiency and energy usage. Employing these features for preventive and predictive maintenance provides reduced life-cycle costs and improved customer service. www.echelon.com Figure 1. Pyxos FT Transceiver Block Diagram The Pyxos FT network chip embeds both fewer Points in the system). This rate of immunity to higher frequency common the protocol for a Pyxos platform and speed allows Pyxos FT networks to be mode noise - passing the highest level of the transceiver for communicating on used for closed-loop controls in process EN61000-4-6 conducted RF immunity. the Pyxos network. With the networking and industrial applications, as well as protocol implemented inside the chip, sensing and control applications that Free Topology Wiring and only application development is left require fast response time. Link Power to the user. The chip is a small 5mm x Potential applications include: The Pyxos FT network sends both power 5mm sized one that fits into virtually and data on the same wire pair, a feature any sensor or actuator. The chip can be ve hicula r controls known as Link Power. Link power connected directly to digital I/O without fault monitors eliminates the need for an additional pair a microcontroller, making for an ultra- prop ulsion controls of power wires and interface terminals, compact smart device. Alternately, the further reducing the cost, size, and chips serial peripheral interface (SPI) port HVAC syste ms complexity of Pyxos FT Points. Pyxos FT can be interfaced with a wide variety of lighting syste ms networks support free topology wiring low-cost microcontrollers to accommodate architecture that allows network cabling more complex I/O requirements. burn e r a n d boile r controls in star, loop, daisy chain or bus topology securit y a n d fi re/ life or any combination of these. Free Network Architecture and topology wiring reduces the time and elevator c a b a n d fl oor c all Components expense of node installation by allowing safet y d evices Pyxos FT network consists of up to 32 the wiring to be installed in the most controls Pyxos Points embedded inside sensors expeditious and cost-effective manner. and actuators, and a Pyxos Pilot to offi ce automation e quipm e nt interface with the outside world. Points Seamless Integration with (Figure 2) can either be Unhosted (without Advanced Noise Immunity Outside World a microcontroller with only digital I/Os) Four different network coupling options or Hosted (with a microcontroller). Pilots Control information gathered from Pyxos are available to cover a wide variety of (Figure 3) need a microcontroller and can FT Points is disseminated by a Pyxos FT application environments. For applications either be Stand-Alone (not connected Pilot to programmable logic controllers within an enclosure, the differential to any external network) or Networked (PLCs), data gathering panels, host receiver in the Pyxos FT IC provides rail- (connected to a higher-level external processors, LonWorks control networks, to-rail common mode range and may be network e.g., LonWorks to communicate the Internet, and beyond. The published connected directly to the network with with the outside world). API makes it easy to interface with the no additional components. For network Pyxos Pilot. The Pyxos API uses the applications where AC mains based same data type definitions as those High Speed Deterministic common mode noise may be tens of volts, developed for LonWorks networks, Response Time a simple 4 component coupling circuit making integration with LonWorks provides +/-40V 50/60Hz common mode A Pyxos FT network operates at 312.5 networks seamless. range (far better than typical RS-485 kilobits per second using a deterministic transceivers). For extremely harsh noise signaling method by which all 32 Points environments a transformer coupled in the system are scanned every 25 option provides a common mode range milliseconds (proportionally faster with of 277VAC at 50/60Hz and >50Vpp www.echelon.com