A method according to the present invention for changing of an operating mode of at least one industrial control (1-1) of a plurality of networked industrial controls (1-1, 1-2), in particular of a robot control, comprises the steps of: sending a first packet (I-1) via a network (3) of the networked industrial controls (1-1, 1-2); receiving said first packet (I-1) by a receiving means (1-1.1) of at least one industrial control; and changing of said industrial control from a first operating mode (A) into a second operating mode (H) on basis of said received first packet (I-1) if the first packet (I-1) is addressed to said industrial control, wherein in the first opening mode (I) and in the second operating mode (II) different groups of components (1.1-1, 1-1.3, 1-1.4, 1-1.5, 1-1.6) of the industrial control (1-1) are supplied with energy.