PLC Functional Modules for Energy Management Functionalities

A method for programming a programmable logic controller for controlling at least one energy consumer of a machine, includes providing at least one energy consumer functional module and at least one energy control functional module in a programming device for selection by a programmer in order to program an energy management program configured to provide at least one energy management functionality for the machine. The at least one energy consumer functional module containing data specific to the at least one energy consumer. The at least one energy control functional module containing data specific to the at least one energy management functionality.