The CBA control frame allows the control the CBA unit. By operating this control, a load will be instantly set to discharge the battery.

The CBA control is enabled only when a READ session is started and is disabled when the session is stopped.

It consists of:

  • a slider, to selected and vary the load
  • a stop button
  • an option button to switch the load scale between Ampere an Watt
  • a display to show the selected load

The slider moves between zero and the max load, tipically 10000mA or 150W: on moving the slider, the display is updated but the load starts only when the mouse button is released.

The red LED on the CBA unit lights on to indicate that the discharge session started, and the fan embedded in the CBA unit start to spin silently.

The discharge current is software and electronically regulated using a solid state switch and fan cooled electronic load, and it is automatically kept constant during the whole test. If the option button is changed between Ampere and Watt, the actual load is converted and shown and the slider scale is changed. However, the load applied to the battery is not affected.

The load can be cleared and the discharge interrupted in three possible ways:

  • by the user, when pressing the stop button in the control frame: the read session continues, but the load is cleared
  • by the user, when pressing the STOP button to terminate the read session
  • by the system, when the minimum battery voltage is reached or when an automatic temperature, current or power protection occur in the CBA unit