ML-231 – GPS/GPRS tracking module

  • Specialized module for vehicle tracking and monitoring
  • Integral, 50 channels GPS module with highest sensitivity (-162 dBm) in SuperSense® technology
  • Integral, 4-band, GSM modem
  • Binary inputs and outputs
  • Efficient fuel measuring
  • Driver identification
  • Large data recorder 30k records
  • 2 serial ports (one RS485*)
  • 3 axis accelerometer
  • Audio input and output** optional

ML-231 is a specialized telemetry module dedicated to monitor status and location of vehicles. Module’s design is based on latest GPS/GSM technologies securing precision of localization and GSM signal propagation.

The design complies with automotive industry design standards.

  • 5 binary inputs including:
    • dedicated ignition ON detection
    • dedicated alarm detection input
    • 2 general purpose binary inputs (with counting and scaling function)
    • 1 ground sensitive binary input
  • 2 binary outputs
  • 2 voltage analogue inputs
    • frequency measurement
    • average value computing
    • max value detection
    • differential measurement
    • voltage measuring with alarm thresholds
    • precise fuel level measuring
  • Main supply input with voltage monitoring
  • Auxiliary supply with voltage monitoring
  • 2 1-Wire inputs (Dallas iButton) for driver identification and temperature measuring
  • Audio input & output (for loudspeaker and microphone)*

* optional

  • Cyclical position calculation on GPS signal base
  • Monitoring of analogue and binary inputs and outputs
  • Monitoring of fuel level and rapid level falls
  • Speed monitoring/speeding/stopping
  • Binary inputs signal filtration eliminates signal interference
  • Additive or subtractive pulse counting on I3 and I4 inputs allows variable flow meter connections.
  • Controlling binary outputs according to internal logic and remote commands
  • Detection of missing GPS signal
  • Reporting according to defined distance and time criteria as well as driving direction change
  • Transmission of information as a result of triggering predefined event
  • Logging of data in case of missing GSM communication
  • Transmission modes:
    • GPRS – packet transmission
    • SMS
    • e-mail
  • Configurable transmission in home network and in roaming
  • Dynamic SMS composing allowing transmission of current measurements values
  • Configurable SMS limits
  • Local or remote configuration via GPRS
  • Configurable access permissions – list of authorized IP addresses and phone numbers
  • Monitoring of main and auxiliary supply voltage
  • Diagnostic LED facilitating module’s start
  • Detachable connector and antenna sockets
  • Dedicated local connection socket for PC for configuration and verification of parameters.
  • 3-axis acceleration measurement:
    • motion detection
    • collision detection (with 60 seconds log)*

* optional