MIB: PROSTAR-MPPT
Charge State
  Description:Control State
  Modbus address:0x0021

  0: Start
  1: NightCheck
  2: Disconnect
  3: Night
  4: Fault
  5: BulkMppt
  6: Absorption
  7: Float
  8: Equalize
  9: Slave
  10: Fixed