To improve the exchange of data between controls of machines, particularly robots, a method is provided for the exchange of such data, wherein a first control produces an instruction to be transmitted with data to be sent to a second control and with an identification representing the second control. The instruction to be transmitted is provided with an identification of the first control, wherein the first control sends the instruction to be transmitted to the second control, wherein the second control evaluates the data of the instruction and wherein the second control provides the first control with an acknowledgment.