Carrier and backhoe control system and method

A power machine includes a carrier comprising a supporting frame, an operator compartment and a joystick controller disposed in the operator compartment and configured to generate movement signals in response to operator movement of the joystick controller. An attachment is detachably coupled to the power machine. A carrier control unit is disposed on the carrier and configured to receive the movement signals from the joystick controller. An attachment control unit is disposed on the attachment and configured to control movement of the attachment. A network is coupled to the carrier control unit and to the attachment control unit and is configured to carry instructions from the carrier control unit to the attachment control unit. A state selection input is disposed in the operator compartment to select one of at least two operational states including a carrier state and an attachment state. In the carrier state, the carrier control unit is configured to control operation of the carrier in response to operator