Isolated speed signal conditioner for mASTRO system

The mASTRO system can host up to 10 modules, SirIO, Alfa Centauri or both of them based on the application requirements. Modules can be added at any time.

SirIO is designed for a wide variety of sensors (passive, active, differential, etc).

Thanks to internal active electronics, SirIO supports a differential input range +/-1V to +/-100V. The typical application is for VRS zero crossing conditioner but it can be used to isolate or change potential voltage to digital sensors output with with <500ns delay.

A dedicated software is provided to configure the conditioner settings for each channel. It’s also possible to configure the input threshold, digital inversion, output type (5V or open drain) and independent filters for input rise and fall.

Please refer to mASTRO datasheet for power supply, cable and other specifications.
The device is CE marked, in compliance with the EC directive 2004/108/CE.


Key Features

  • Reduced dimensions, waterproofness and robustness allow installations in any situation
  • Wide signal input range, up to +/- 100V
  • Input signal converter with programmable output level (0-5V or open drain)
  • Programmable input threshold with our software or free API
  • Frequency division multiplexing from 2 to 256 factor
  • PWM conversion into frequency signal
  • Fall and Rise delay less than 500ns
  • Strong immunity to disturbances due to galvanic isolation between channels
  • Easy firmware update for improvements and custom request
  • Modular with mASTRO platform
  • Wide temperature operation: -25°C to 105°C
  • Custom channel development on request



Contact us
Alma Automotive s.r.l.

Via Terracini 2/c - 40131 Bologna - Italy
Tel. +39.051.9923806 / +39.051.0548470
Fax +39.051.0544839

Our locations

Via Terracini 2 , 40131 Bologna

Via Provinciale Bologna 28/30
40066, Pieve di Cento (BO)


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