Described herein is an atomizer changing system, including a master unit and at least one slave unit, where the master unit has at least the following components: a releasable connecting element, surrounding a center of the master unit, for a nonpositive and positive connection (KS, FS) of the master unit to the slave unit, a coupling plate arranged in the center of the master unit and having a plurality of coupling points for supplying an atomizer that can be connected thereto with substances, energy and/or information, and an adapter for connecting the master unit to a hollow wrist of a coating robot; and where the slave unit has at least the following components: a coupling plate for connecting the slave unit to the master unit and to the atomizer; and a releasable connecting element for connecting the slave unit to the atomizer.