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The KDF1.2-050-300-W1-220 is a variable frequency drive that is capable of operating motors of up to 25 HP (kW). It is manufactured by Rexroth Indramat Company to offer exceptional positioning and unrestricted four-quadrant operation. This type features a 16 bit parallel digital command input that allows it to be operated by any control system. Like other KDF drives, it provides accurate speed control thanks to the digital velocity loop that utilizes a microprocessor. This command eliminates drift which is known to reduce the precision of the speed control. It has a speed range of 0 to 8000 rpm.
At zero speed, the KDF1.2-050-300-W1-220 achieves optimum stiffness that enables the motor to resist any speed changes. This allows it to achieve peak system torque if needed. Thanks to this control principle, the highest stability and stiffness are possible. The lowest speed of the drive depends upon the load variation present. The KDF1.2-050-300-W1-220 is engineered to be operated along with modular AC servo controllers from Indramat Company by sharing the same power supply. This results in a machine with a brushless design constructed at a very reasonable price range.
The variable frequency drive comes with a power transformer that is used to adapt the line power to the needed 220 VAC input voltage required. To make it adapt to various motors and applications, parametrization is conducted. These parameters are stored in the EEPROM that is located on the AS2 personality module. To allow optimal data transfer through the incremental encoder to the KDF1.2-050-300-W1-220, a short shielded cable must be used. This type comes in a maintenance-free design eliminating the need for periodic maintenance. It comes with a one year warranty from Wake Industrial.
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