System Modes

The System Modes of Axle Power describe the states of the system: How and when the system starts, how and when it operates, and how and when it shuts down its functions and operation.


  • High Voltage Mode (HV Mode) for core operation: producing electrical energy by the axle generators and supplying the refrigeration unit.

  • Standby Mode (Low Voltage Mode, LV Mode): The HMI is on.

  • Shutdown Mode (Sleep Mode): HMI is off.

  • If Axle Power is OFF, either Axle Power has not been used for a longer period or there is a problem, a case of emergency or ongoing maintenance work.


The System Modes automatically change and de-/activate themselves. They depend on certain conditions — and if these particular conditions are met, then the corresponding System Mode starts or changes to another one.


Example:

  • Truck and trailer are parked.

  • The Energ-e Pack system is in Shutdown Mode, the HMI display is off.

  • You connect the shore power cable into the shore power interface of the building and into the shore power socket on the HMI panel.

  • Automatically the Axle Power System changes to HV Mode, the HMI starts up, the refrigeration unit is powered.


In nearly all cases, these processes are triggered and managed by the Axle Power System itself.