FANUC resolver unit reference
A290-0501-T701 for sale online. Cnc-shopping proposes this
FANUC absolute resolverwhich is a rotary electrical transformer used for measuring degrees of rotation. It is considered an analog device, and has a digital counterpart, the rotary (or pulse) encoder. This ABS resolver unit is mounted on
FANUC DC servo motor This
FANUC A290-0501-T701 ABS resolver unit is ready to replace your defective part on your
FANUC DC servo motor and comes with a
warranty.
The most common type of resolver is the brushless transmitter resolver (other types are described at the end). On the outside, this type of resolver may look like a small electrical motor having a stator and rotor. On the inside, the configuration of the wire windings makes it different. The stator portion of the resolver houses three windings: an exciter winding and two two-phase windings (usually labeled "x" and "y") (case of a brushless resolver). The exciter winding is located on the top, it is in fact a coil of a turning (rotary) transformer. This transformer empowers the rotor, thus there is no need for brushes, or no limit to the rotation of the rotor. The two other windings are on the bottom, wound on a lamination. They are configured at 90 degrees from each other. The rotor houses a coil, which is the secondary winding of the turning transformer, and a separate primary winding in a lamination, exciting the two two-phase windings on the stator. FANUC A290-0501-T701
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