Variable Speed Drive Wiring Diagram. Mine had 2 circuit boards. The block diagram below contains three separate sections to indicate the vfd basic working principle.
The acc acceleration and dec deceleration parameters the lsp low speed when the reference is zero and hsp high speed when the reference is maximum parameters the ith parameter motor thermal. Other names for a vfd are variable speed drive adjustable speed drive adjustable frequency drive ac drive microdrive and inverter. Armature control and field control methods also applicable to the dc shunt motor.
The digital readout reports the current rpm of the machine for increased accuracy when drilling.
Variable speed fan variable frequency drive vfd sub system for driving the compressor and fan the vfd sub system consists of several components that are shown conceptually in fig. These windings have no electrical connection for starting but uses induced current to make a rotating magnetic field. And the motor starts running. Within the datasheet the user will find a lot of information about the setup of the drive.