disconnect the first orginal powerbar, connect the new one (only the new one, and no doser)
go to : System > Socket Function >Program Digital Powerbar or Dosing Pump Unit
Select Numbering of a Digital powerbar > next
star the count at 7
reconnect the previous powerbar, the attach the new power bar to the old one and asigne the new pumps/lamp to S7-S12
For the level just connnect to spare port and program