Mechanical Rotary Encoders | Shaft Encoders | RS
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    Mechanical Rotary Encoders

    Mechanical rotary encoders, also called shaft encoders, are electro-mechanical devices that convert the angular motions (movement around fixed points) of rotary shafts into either analogue or digital signals.

    What are mechanical rotary encoders used for?

    Applications that require precision shaft rotation (movement around a specific point) make use of mechanical rotary encoders.

    These include industrial control machinery in factories, rotating radar platforms in satellite structures or computer input devices like trackballs and mice.

    Types of mechanical rotary encoders

    Absolute encoders:

    • have tracking functions to determine specific shaft positioning points in industrial equipment like CNC machines, lathes and bore machines.
    • maintain positioning data even when power is cut from the system. When the system is switched on again it begins operating from the point where it stopped previously.

    Incremental (relative) encoders:

    • record deviations in shaft position points over certain time frames. With each new time frame after power is cut and switched on again the encoder starts recording from a predetermined reference and measures the distance between the previous point and the current point.

    230 產品顯示為 Mechanical Rotary Encoders

    Bourns
    15
    Flat (Inner Shaft), Slot (Outer Shaft)
    2 mm
    Quadrature
    2-Bit Quadrature
    -
    -
    Not Indexed
    -
    -
    Bourns
    128
    Plain with Slot
    6.35 mm
    Absolute
    Digital
    Bracket Mount
    19.05mm
    Not Indexed
    120rpm
    9mm
    Bourns
    24
    Flat
    6 mm
    Incremental
    Digital Square Wave
    Through Hole
    15mm
    -
    60rpm
    1mm
    Alps Alpine
    24
    Flat
    6 mm
    Incremental
    -
    Through Hole
    25mm
    -
    -
    1.2 mm, 2 x 2.1 mm
    Bourns
    24
    Flat
    6 mm
    Incremental
    Digital Square Wave
    Through Hole
    20mm
    Not Indexed
    100rpm
    1 mm, 2.1 x 2 mm
    Omron
    -
    -
    4 mm
    -
    -
    Servo Mount
    6mm
    -
    -
    -
    Bourns
    24
    Flat
    6 mm
    Incremental
    Digital Square Wave
    Through Hole
    25mm
    -
    100rpm
    1mm
    Bourns
    15
    Flat (Inner Shaft), Slot (Outer Shaft)
    2 mm
    Quadrature
    2-Bit Quadrature
    -
    -
    Not Indexed
    -
    -
    Bourns
    24
    Flat
    6 mm
    Incremental
    Digital Square Wave
    Through Hole
    20mm
    Not Indexed
    60rpm
    1 mm, 2.6 x 1.8 mm
    Alps Alpine
    12
    Hollow
    3.6 mm
    Incremental
    Digital Square Wave
    Through Hole
    -
    Not Indexed
    -
    1 mm, 2.1 x 1.8 mm
    Bourns
    24
    Flat
    6 mm
    Incremental
    Digital Square Wave
    Through Hole
    30mm
    Not Indexed
    60rpm
    1 mm, 2.6 x 1.8 mm
    Bourns
    24
    Flat
    6 mm
    Incremental
    Digital Square Wave
    Through Hole
    25mm
    Not Indexed
    60rpm
    1 mm, 2.6 x 1.8 mm
    Alps Alpine
    24
    Flat
    6 mm
    Incremental
    Digital Square Wave
    Through Hole
    25mm
    Not Indexed
    -
    1 mm, 2.1 x 2 mm
    Bourns
    20
    -
    6 mm
    Incremental
    Digital Square Wave
    PCB Mount
    20mm
    Not Indexed
    -
    -
    Alps Alpine
    24
    Flat
    -
    -
    -
    Through Hole
    15mm
    Not Indexed
    -
    -
    Alps Alpine
    24
    Flat
    -
    -
    -
    Through Hole
    14mm
    Not Indexed
    -
    -
    Wurth Elektronik
    15
    -
    6 mm
    Incremental
    -
    Through Hole
    20mm
    -
    -
    -
    Alps Alpine
    24
    Flat
    6 mm
    Incremental
    -
    Through Hole
    25mm
    -
    -
    1.2 mm, 2 x 2.1 mm
    Bourns
    20
    -
    6 mm
    Incremental
    Digital Square Wave
    PCB Mount
    20mm
    Not Indexed
    -
    -
    Omron
    -
    -
    6 mm
    -
    -
    -
    -
    -
    -
    -
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