TAO Monitor


TAO Monitor is a 3.5″ touchscreen that provides additional features:

  • displays battery and cell data as well as the state of relay outputs
  • displays historical data and event logs
  • provides access to all BMS data and functions via wifi (access point or station)
  • comprises a tool that generates graphs, analyzes measurements, and creates log histories
  • visualizes instantaneous and historical data on the internet over the life of the system (cloud)
  • CAN interface to control external equipment (standard and custom sentences)
  • integrated uninterruptible power supply (UPS) function with external battery (supplied)

Battery Data

  • battery voltage and temperature
  • battery input and output current (A/W)
  • state of charge (%, Ah used/Ah remaining)
  • state of health (%/actual capacity/internal resistance)
  • number of charge cycles
  • relay output state
  • last event

Cell Data

  • cell voltage and range
  • cell temperature and range
  • cell resistance and range
  • battery’s total internal resistance
  • battery’s average voltage and temperature

Measurement History

  • all battery and cells measurements are recorded
  • displays history over the preceding 30-day period
  • full lifetime measurement history can be displayed and analyzed using a browser (phone, tablet, or PC connected by wifi) 

Events History

  • battery, BMS, and monitor events are recorded:
    • BMS power-up, diagnostics fault
    • monitor power-up, connection to BMS, backup battery, shutdown
    • balancing activity
    • relay output change of state
    • SOC reset
    • change of state (inside and outside defined ranges) is triggered
    • cell resistance update
    • CAN status
  • 100 most recent events on the monitor
  • lifetime event history, analysis via connected device (phone, tablet, PC)

WiFi access to all measurements and EMS functions

  • any device with a browser can be connected to the EMS (no app to download)
  • battery and cell measurements
  • set all BMS parameters, ranges, and triggers
  • diagnostics and simulations
  • connects to an existing wifi network or creates its own access point and wifi network

Data and Event History Analysis (local and internet cloud access)

  • access data over local wifi or remotely via the internet* (* the monitor must be linked to a wifi network with an internet connection)
    • instantaneous battery and cell measurements
    • historical data and event log
  • standard graphs
  • flexible analysis capabilities to suit a wide array of needs

Flexible CAN Interface

  • CAN standard J1939
  • fully configurable CAN messages for connecting to most CAN-enabled equipment
  • sends data including battery voltage, temperature, state of charge, and state of health
  • sends charge and discharge parameters based on trigger state (voltage, temperature, or SOC range)
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