magnetic encoderIt is a new type of angle or displacement measurement device, which uses magnetic resistance or components to measure the angle or displacement value of changing magnetic materials. Changes in the angle or displacement of magnetic materials will cause certain changes in resistance or voltage. After processing by a microcontroller, it outputs pulse signals or analog signals to achieve the purpose of measurement. Tongxin Code Path frommagnetic encoderStarting from the center of the code wheel and extending outward until the outside of the code wheel, each layer of code tracks has twice as many partitions as its inner layer. *The layer has only one transparent sector and one opaque sector, while the second layer located in the center has two transparent sectors and two opaque sectors; And there are four transparent and four non transparent sectors in the third layer of the code track. The built-in sensing head has a small volume, suitable for small installation spaces, and adopts a high protection level design, which can be used in harsh environments. In industrial applications, it can avoid the sensitivity of general optical environmental pollution and increase the long-term stability of the system.

magnetic encoderA photoelectric encoder with a central axis, on which there are circular markings for light and dark, is read by photoelectric emitting and receiving devices to obtain four sets of sine wave signals combined into A, B, C, and D. Each sine wave has a phase difference of 90 degrees. The C and D signals are reversed and superimposed on the A and B phases to enhance stable signals; Additionally, output a Z-phase pulse for each revolution to represent the zero reference position. Due to the 90 degree difference between phase A and phase B, it can be determined by comparing whether phase A comes first or phase B comes firstmagnetic encoderThe zero position reference position can be obtained through the zero position pulse of forward and reverse rotation.magnetic encoderThe materials of code disks include glass, metal, and plastic. Glass code disks have thin engraved lines deposited on glass, which have good thermal stability and high accuracy. Metal code disks directly have through and out engraved lines, but due to the certain thickness of metal, the accuracy is limited, and their thermal stability is one order of magnitude worse than glass. Plastic code disks are economical.