How to use an incremental encoder?


Release time:

2023-01-07

1. The resolution of incremental rotary encoders is different, the resolution is measured by the number of pulses generated per revolution, ranging from 6 to 5.400 or higher. The more pulses, the higher the resolution; This is one of the important bases for selection.

1. The resolution of incremental rotary encoders is different, the resolution is measured by the number of pulses generated per revolution, ranging from 6 to 5.400 or higher. The more pulses, the higher the resolution; This is one of the important bases for selection.

2. Incremental encoders usually have three signal outputs (six signals with a difference of six), generally using TTL level, pulse A in front, pulse B behind. Pulse A and pulse B differ by 90 degrees, and a Z pulse is emitted per revolution, which can be used as a reference mechanical zero point. Generally, B leads A and lead B or A are used to determine the direction. Our incremental encoder is defined as a shaft end encoder that rotates clockwise to forward rotation, a leading B is 90°, and B leads counterclockwise rotation of 90°. There are also differences, see the product description.

3. Using PLC to collect data, high-speed counting module can be selected; Using industrial computer to collect data, high-speed counting board can be selected; When using a microcontroller to collect data, it is recommended to select an input port with an optocoupler.

4. It is recommended that the B pulse be a forward (forward) pulse, the A pulse is a reverse (reverse) pulse, and the Z origin is a zero pulse.

5. Set up the counting stack in the electronic device.


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