This is a 2.2 kilowatt Variable Frequency Drive (VFD or Inverter). The inverter max frequency is 400Hz . The inverter comes with an instruction manual. Note: connecting the inverter to mains power will require wiring of the plug to the inverter. We recommend seeking a licensed electrician for this part of the wiring.
Spindles required the use of a VFD (Variable Frequency Drive) to function. These VFDs are also called spindle inverters. The VFD takes the power from the wall and creates a frequency with voltage and current to spin the spindle. The frequency can be controlled to control the RPM of the spindle.
The VFD has a potentiometer to adjust the speed or RPM, but the RPM of the spindle can also be adjusted automatically from the control software. The VFD has a screen that shows many aspects of the condition or current status of the spindle including RPM or frequency, spindle rotation direction, any faults or errors that may be occuring and much more. Every aspect of the spindle can be controlled by the VFD and the VFD can also be programmed (setting can be configured).
The VFD controls the spindles torque and commanded speed using PID control (Proportional Integral Derivative) that makes sure the spindle has the current and torque it needs to maintain the RPM under various load conditions. Routers are not able to do this and will exhibit a reduction in RPM (getting bogged down) when additional load is put on the router, like trying to cut deep into material.
Controlling the VFD can be done manually, or can be completely controlled using control software like Mach3 and LinuxCNC. The face of the VFD contains buttons for Run, Mode, Reverse/Jog, Stop.Reset, Enter and various arrow buttons to browse and set various functions through the menu.
The VFD contains many terminals connections for wiring the spindle to the VFD, wiring the controller (computer or other contolling device) to the VFD and wiring the VFD to the wall outlet for mains power.
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