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    Incremental Rotary Encoder, Hollow Shaft, 1800 ppr

    Inexpensive optical encoder adopts hollow shaft, can sleeve-jointed on motor output shaft, high resolution, high quality, manufacturer direct sale.
    SKU: ATO-IRE-1800PH
    Free Shipping Worldwide
    Delivery date: 6-30 days

    Incremental rotary encoders with 1800 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-IRE1800PH
    Weight 400 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 IP50
    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 ≤80mA ≤80mA ≤80mA ≤150mA
    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 0~300kHz 0~300kHz 0~300kHz 0~300kHz 0~300kHz 0~300kHz

    Tips: How far can the distance between rotary encoder and system be?
    The biggest problem with using long cables is that the cables become more susceptible to noise. This is due to the capacitance of the cable that makes the cable behave like an antenna, meanwhile the power will be wastage through the cable. To get the maximum cable distance, must follow some basic wiring guidelines:
    Keep the cables away from objects that generate a significant amount of electrical noise. This includes AC motors, arc welders, AC power cords and transformers.
    Use twisted pair when using signals with complementary signals, use shielded cables when using any type of signal. The output voltage use maximum voltage allowed. For example, if the rotary encoder can output 5 to 24V, then use 24V. Use open-collector output, or differential line driver output with differential receiver chip, to get the maximum drain and source current.
    If the encoder is used as input to more than one controller, use a signal amplifier. This is also a good way to increase the distance the signal is transmitted. When using differential inputs, the typical differential line driver has a maximum distance of about 100 feet and the open collector distance is about 35 feet.

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