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    Incremental Rotary Encoder, Shaft, 500 ppr

    Favourable price optical encoder adopts stainless steel shaft, high resolution, high reliability, high quality, several output modes to choose, manufacturer direct sale.
    SKU: ATO-IRE-500PS
    Free Shipping Worldwide
    Delivery date: 6-30 days

    Incremental optical rotary encoders with 500 ppr can be used for robots, workbenches, injection molding machines, electronic equipment, printing and packaging machinery, non-standard equipment and CNC machine, a variety of office automation systems, industrial automation control and measurement fields.


    • Incremental rotary encoder internal adopts ASIC devices
    • High reliability, long life
    • Anti-jamming performance
    • Small size, light weight, compact structure
    • Easy installation


    Basics Model ATO-IRE500PS
    Weight 100 g
    Wiring Color White Black Red Green Yellow Brown Gray Orange Shielded wire
    Signal Vcc 0V A B Z A- B- Z- GND
    Mechanical properties Maximum speed per minute (r/min) 5000
    Starting torque 1.5*10-3Nm (25℃)
    Maximum load Radial load: 20N, axial load: 10N
    Shock resistance 980m/s2
    Anti-vibration 50m/s2 (10~200Hz)
    Rotational inertia 4X10-8kgm2
    Operating temperature -30~85℃
    Storage temperature -35~95℃
    Protection Level IP54
    Electrical characteristics Output circuit Open-collector output Voltage output Push-pull output Line driver output
    Supply voltage Vcc DC 5V±0.2 DC 5~24V DC 5V±0.2 DC 5~24V DC 5V±0.2 DC 5~24V DC5V±0.2 DC 5~24V
    Current consumption ≤60mA ≤60mA ≤60mA ≤100mA
    Output high level ≥3.5V ≥Vcc-2.5V - - ≥2.5V ≥Vcc-2.5V
    Output low level ≤0.5V ≤0.5V - - ≤0.5V ≤1.0V
    Rise time Tr ≤500ns ≤1500ns - - ≤200ns ≤500ns
    Fall time Tf ≤100ns ≤300ns - - ≤200ns ≤200ns
    Maximum frequency response 0~100kHz 0~100kHz 0~100kHz 0~100kHz 0~100kHz 0~100kHz

    Tips: Difference between incremental encoder and absolute encoder

    1. First, there is a difference in the code disc between the absolute encoder and the incremental encoder. The code disc of the incremental encoder has a fixed number of gratings on the same circumference, and a certain amount of pulse can be generated by the gratings cutting the light (the number of gratings each circle is the resolution of the encoder). While absolute encoders have different numbers and intervals of gratings on different circumferences on the same code disc. That is, when the code disc is stopped at a certain position, combine different fixed positions by judging whether it is transparent on the circles of the code disc, a fixed number will be shown through the output line.
    2. The incremental encoder can't record the current position when the power is off, it can only record along with the counter and other equipment. The absolute encoder itself can record the location. Therefore, it is no need to worry about the record preservation of absolute encoder after the power fails.
    3. Absolute Encoder has a variety of output codes (binary code, decimal BCD code, Gray code), which can be directly provided to the display unit, PC and other equipment. While incremental encoder can't be directly provided to the display unit.
    4. The absolute encoder almost cannot consider the speed, interference and other issues, as long as the encoder stops in a certain position, no matter what influence is received during rotation, and it can always display the current position.
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