Altivar 61 is a range of frequency inverters for 3-phase asynchronous motors from 0,75 to 630 kW dedicated to pumps and fans applications for industry market and building market. With its remarkable performances and advanced functionalities, it perfectly fits to the demanding variable torque applications. The optional built-in card for LonWorks® permits easy integration in a LonWorks network. It complies with the LonMark® Functional Profile for Variable Speed Motor Drives. It provides additional variables that allow extensive control of the inverter (status, measurements, control of the drive relays, values of analog and digital inputs…). The parameters access function enables access to all parameters of the drive.