Eaton Variable DriveEaton’s new PowerXL variable frequency drive series consists of two models: The DC1 Compact and the DA1 Advanced Machinery Drive for ratings range up to 15 HP for mptor voltages of 115 V, 230 V (single or 3 phase), 460 V(3 phase) and 575 V (3-phase, DA-1 only). 

The DC1 was built for applications where robust design, availability and universal functionality are the main requirements, Eaton said, while “the DA1 series is suitable for the most demanding solutions requiring high performance.” 

The PowerXL variable frequency drives give different open and closed-loop control methods. The DC1 controls the motor with U/f characteristics and offers increased torque, allowing the frequency inverters to operate the motors at 150% of the rated power for 60 s and at 175% for 2 s. The DA1 models offer the user the possibility of sensorless vector control (SLV) as well closed-loop control with a rotary encoder (CLV). In sensorless vector mode, the DA1 can move from rest with a 200% torque and without the use of an encoder. The DA1 series is provided with PLC functionality and offers, in addition to a standard integrated PID controller, the possibility of powerful solutions for different applications such as cranes, lifts, winding machines and compressors.

User-friendliness was a prime objective in the development, Eaton said. “Self-explanatory type codes, autotune functionality and convenient parameterization (with only 14 standard parameters) simplify configuration and commissioning.” Users can program via the keys on the device or on a PC, as well as copy parameter settings from one device to another using Bluetooth PC stick with an RJ45 interface.

The variable frequency drives come as standard with the Modbus RTU and CANopen fieldbus system.  The user can connect other fieldbus systems such as Profibus, Profinet, DeviceNet, EthernetIP, EtherCat, Modbus TCP and BACnet easily via fieldbus modules. As an alternative to the fieldbus connection, the PowerXL variable frequency drives can also be incorporated in the SmartWire-DT communication system. This makes it possible to not only parameterize the PowerXL frequency inverters centrally via the SmartWire-DT interface, but also to send them control commands and read diagnostic data from them. The device can also be controlled via a PROFIdrive profile which makes the full function spectrum of the PowerXL frequency inverters available.

The PowerXL frequency inverters supply full power up to ambient temperatures of 50°C (IP20) and feature an energy optimizer that can automatically reduce the motor voltage with light loads.  All devices come with international approvals (CE, cUL, UL, C-Tick, Gost-R, RoHS, DNV) and) are ideally suited for global use.

For more information, visit Eaton Canada here.

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