A method of integrating a machine or installation into an engineering/control system within the facility, such as an automation system, comprises the steps of receiving a definition or specification for applicable standards for communication between the engineering/control system within the facility and the machines or installations; manufacturing or providing a communication interface unit comprising enhanced interfaces to fulfill the definition or specification and adapting the communication interface unit to the definition or specification; providing the communication interface unit to a machine or installation manufacturer for manufacturing the machine or installation; delivering the machine or installation and the communication interface unit to the facility; and integrating the machine or installation equipped with the communication interface unit within the facility.