SIM100
Insulation Monitor
Sensing
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SIM100 Ground Fault, Earth Fault Detection
Isolation Monitor / Insulation Monitor

Sendyne SIM100 Insulation Monitor Ground Fault Detection

The Sendyne SIM100MOD is the first high voltage isolation monitoring device for EV/HEVs capable of operating correctly even when the battery is active, and experiencing large voltage variations. The SIM100MOD continuously monitors the isolation resistance between a vehicle’s IT (Isolated Terra) power system and chassis for deterioration of insulation and potentially dangerous levels of leakage current. Based on the Sendyne SIM100 IC, which utilizes an advanced algorithm developed by Sendyne's modeling team, the module is compatible with all relevant standards for EVSE and Charging Stations, including providing two channels for Minimum path detection.

Sendyne SIM100 ACE Award Finalist

Applications

  • Electric Vehicles
  • Charging Stations 
  • Photovoltaics / Solar Panels
  • Features

  • Measures voltage for each battery terminal to chassis 
  • Reports battery voltage 
  • Operates normally while the battery is having large voltage excursions and variations 
  • Measures and reports modeled leakage resistances per model adapted by the safety standards ISO6469-1, FMVSS §571.305 and others 
  • Reports calculated isolation resistance in Ω/V per requirements of the safety standards 
  • Measures and reports the value of capacitance from each battery terminal to chassis 
  • Calculates and reports the energy stored by the total capacitance between the battery and chassis
  • Continuously monitors connections of the voltage sense lines to the battery terminals; reports inadequate connections
  • Continuously monitors connection of the unit to chassis; reports inadequate connection Provides high immunity to common-mode noise that can be present on the battery terminals 
  • Provides nonvolatile storage for the value of the maximum (design) voltage of the battery (used in calculations of the isolation resistance and stored energy). If the actual observed battery voltage is higher than the set maximum voltage, the higher value is used in the calculations of the isolation resistance and stored energy
  • Provides nonvolatile storage for calibration of the voltage measurements and other parameters; all reported measurements have their respective calibration parameters applied automatically 
  • Provides built-in galvanically isolated and intrinsically leakage-safe excitation source 
  • A single CAN-interface transaction (packet) provides sufficient information for determination of the safe status of the system 
  • Provides measurement of the internal isolated power supply voltage for system diagnostics 
  • Provides measurement of the module’s temperature for system diagnostics
  • Description

    The Sendyne SIM100MOD is the first high voltage isolation monitoring device for EV/HEVs capable of operating correctly even when the battery is active, and experiencing large voltage variations. The SIM100MOD continuously monitors the isolation resistance between a vehicle’s IT (Isolated Terra) power system and chassis for deterioration of insulation and potentially dangerous levels of leakage current. Based on the Sendyne SIM100 IC, which utilizes an advanced algorithm developed by Sendyne's modeling team, the module is compatible with all relevant standards for EVSE and Charging Stations, including providing two channels for Minimum path detection.

    The SIM100MOD detects not only resistive leakages but also capacitively stored energy that could be harmful to human operators. Due to a proprietary, patent-pending advanced algorithm, the module is capable of detecting all sources of leakage, including multiple, simultaneous symmetrical and asymmetrical faults, as well as resistive paths between the chassis and points in the battery with the same potential as the chassis. In the case of an insulation fault, the unit identifies the relative position of the fault in relation to the battery’s terminals. Battery-connected VX1 (Vp) and VX2 (Vn) voltage inputs can measure ±1000 V in reference to Chassis (0 V). Communications are achieved via an isolated CAN 2.0B interface (500 kbit/s), with an input voltage range of 5 V to 53 V, and a wide temperature range of –40 °C to +105 °C. The module was designed to ISO 6469-3:2011-12 / FMVSS 305.

    An evaluation kit, including a CAN to USB dongle and cables, and PC software is available.

    Documentation

    SIM100 Product Brief
    SIM100MOD Datasheet UPDATED November 22, 2017
    SIM100 CAN 2.0B Protocol Document
    UPDATED November 22, 2017
    SIM100 Quick Start Guide UPDATED November 22, 2017
    SIM100 YouTube Video
    SIM100 Press Release
     

    Software

    Sendyne SIM100SFT Control Software -- Click here to download
    Visit Sendyne's GitHub site for more software

    UPDATED November 22, 2017

    Ordering

    Part number:
    SIM100MOD
    Related part numbers
    SIM100KIT (evaluation kit with CAN to USB dongle and cables)
    SIM100 IC

    For more information, including ordering, please contact sensing@sendyne.com.

     

     

     

     

    _______________________________________________________________________________________________________________________________________

    Contact

    +1 212 966-0600

    info@sendyne.com

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