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PA007718 | NOTOS-PA00718 SliceBus Backplane Controller

<b>PA007718</b> | NOTOS-PA00718 SliceBus Backplane Controller

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Basic SliceBus Information

  • Up to 64 slave (node) stations
  • Additional alarm line for initialization and asynchronous event communications from node to Master
  • Full system detection from SliceBus Master without external information on module configuration

Error Detection Mechanism

  • CRC code with Hamming distance 4 for every telegram (all 3-bit errors are detected)
  • Watchdog function inside every node for SliceBus Master observation
  • "Auto shutdown" in case of SliceBus Master malfunction
  • Retry statistic for early detection of possible transmission issues

Technological Functions

  • Standard I/O function: 8 digital I/O or up to 32 I/O with shift register
  • Integrated digital input filter function
  • Asynchronous event signaling with nanosecond time stamping for advanced nodes
  • Two advanced counters with AB oversampling, latch, reset, output, hysteresis, compare value, repeti -tive/endless

Counting and additional time stamp information

  • SSI function with time stamp information (speed calculations: counter difference/time)
  • Pulse width modulation with 20 ns resolution• Frequency measurement mode
  • Maximum counting frequency of 24 MHz
  • Special digital I/O time stamp nodes (ETS: Edge Time Stamp System) for input edge and output control with nanosecond time (independent from fieldbus cycle!)

SPI Interface in NOTOS for Analog I/O / Safety / Serial CP with External MCU

  • 80-Mbit/s SPI interface for external microcontroller
  • Up to 128 byte In / 128 byte Out data for external microcontroller
  • Alarm function and watchdog function
  • 3 additional synchronization interrupt outputs
  • Channel for extended data exchange
  • Extended diagnostic dataset for SPI Master

Mechanical and Electrical Specifications

  • I/O voltage: 3.3V, typ. 10 mA; Core voltage: 1,2V, typ. 22 mA
  • LQFP 48 package, 9.0mm², 0,5 mm pitch