Introduction7Terms used in this manualCommunication moduleCommunication module (often abbreviated COMM. MODULE orCOMM.) is a parameter name / parameter selection name for adevice (e.g. a fieldbus adapter) through which the drive isconnected to an external serial communication network.The communication with the communication module is activatedwith a drive parameter (see the appropriate drive firmwaremanual).Data sets and data wordsEach data set consists of three 16-bit words, i.e. data words.The Control Word (sometimes called the Command Word) and theStatus Word, References and Actual Values (see chapterCommunication profiles on page 27 ) are types of data words; thecontents of some data words are user-definable.REPL-01 Ethernet Powerlink Adapter moduleThe REPL-01 Ethernet Powerlink Adapter module is one of theoptional fieldbus adapter modules available for ABB drives. TheREPL-01 is a device through which an ABB drive is connected toan Ethernet POWERLINK network.ParameterA parameter is an operating instruction for the drive. Parameterscan be read and programmed with the drive control panel, orthrough the REPL-01 module.Further informationFurther information on the Ethernet POWERLINK protocol isavailable on the World Wide Web fromwww.ethernet-powerlink.orgPhone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com