An engineering device, which is configured to set a higher-level control device capable of controlling a control device for one or more industrial machines, the engineering device including circuitry configured to: receive specification of a register number of the higher-level control device; determine, based on the specified register number, a register range to be used for control of the control device by the higher-level control device; and allocate the determined register range among registers of the higher-level control device, for the control of the control device.