Optical Rotary Encoders

An optical rotary encoder is an angular position sensor. It converts an angular displacement directly into a digital form. There are usually three components in an optical rotary encoder: a light source (an LED), a sensor and a moveable disk.

How an optical rotary encoder works
Optical rotary encoders have a shaft mechanically coupled to an input driver. This driver rotates a disc fixed onto it which is marked with a succession of opaque and clear segments.
Light from infrared emitting diodes reaches the infrared receivers through the transparent slits of the rotating disc, creating an analogue signal. The signal is then amplified electronically and converted into digital form. This is then transmitted to the data processor.

Uses for optical rotary encoders
Optical rotary encoders make precise digital signals. This makes them a good option where image resolution matters, and explains their use in applications as varied as office equipment (in computer mice and photo copiers) and medical devices.
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Produkta apraksts Brand Stock Pulses Per Revolution Encoder Reading Encoder Signal Supply Voltage Shaft Diameter Shaft Length Mounting Hole Diameter Mounting Type Shaft Style Termination Style Maximum Operating Speed Current Rating
Copal Electronics 12V dc Optical Encoder with a 3 mm Flat Shaft, Wire Lead Copal Electronics 0 - Absolute - 12V dc 3 mm 8mm M9 - Flat Wire Lead - 40mA
Copal Electronics 12V dc Optical Encoder with a 3 mm Flat Shaft, Wire Lead Copal Electronics 0 - Absolute - 12V dc 3 mm 8mm M9 - Flat Wire Lead - 40mA
Copal Electronics 12V dc Optical Encoder with a 6 mm Flat Shaft, Wire Lead Copal Electronics 0 - Absolute - 12V dc 6 mm 15mm - - Flat Wire Lead - 40mA
Copal Electronics 12V dc Optical Encoder with a 6 mm Flat Shaft, Wire Lead Copal Electronics 0 - Absolute - 12V dc 6 mm 15mm - - Flat Wire Lead - 40mA
Copal Electronics 5V dc 25 Pulse Optical Encoder with a 6 mm Flat Shaft, Through Hole, Wire Lead Copal Electronics 0 25 - Digital Square Wave 5V dc 6 mm 16.5mm M9 Through Hole Flat Wire Lead - 30mA
Copal Electronics 5V dc 25 Pulse Optical Encoder with a 6 mm Flat Shaft, Through Hole, Wire Lead Copal Electronics 0 25 - Digital Square Wave 5V dc 6 mm 16.5mm M9 Through Hole Flat Wire Lead - 30mA
Copal Electronics 5V dc 25 Pulse Optical Encoder with a 6 mm Flat Shaft, Through Hole, Wire Lead Copal Electronics 0 25 - Digital Square Wave 5V dc 6 mm 16.5mm M9 Through Hole Flat Wire Lead - 30mA
Copal Electronics 5V dc 25 Pulse Optical Encoder with a 6 mm Flat Shaft, Through Hole, Wire Lead Copal Electronics 0 25 - Digital Square Wave 5V dc 6 mm 16.5mm M9 Through Hole Flat Wire Lead - 30mA
Copal Electronics 5V dc 25 Pulse Optical Encoder with a 6 mm Flat Shaft, Through Hole, Wire Lead Copal Electronics 0 25 - Digital Square Wave 5V dc 6 mm 16.5mm M9 Through Hole Flat Wire Lead - 30mA
Copal Electronics 5V dc 25 Pulse Optical Encoder with a 6 mm Flat Shaft, Through Hole, Wire Lead Copal Electronics 0 25 - Digital Square Wave 5V dc 6 mm 16.5mm M9 Through Hole Flat Wire Lead - 30mA
Copal Electronics 5V dc 25 Pulse Optical Encoder with a 6 mm Round Shaft, Wire Lead Copal Electronics 0 25 - Digital Square Wave 5V dc 6 mm 12mm M9 - Round Wire Lead - 50mA
Copal Electronics 5V dc 25 Pulse Optical Encoder with a 6 mm Round Shaft, Wire Lead Copal Electronics 0 25 - Digital Square Wave 5V dc 6 mm 12mm M9 - Round Wire Lead - 50mA
Copal Electronics 5V dc 5 Pulse Optical Encoder with a 6.35 mm Round Shaft, Wire Lead Copal Electronics 0 5 Incremental Digital Square Wave 5V dc 6.35 mm 9.35mm M17 - Round Wire Lead - 20mA
Copal Electronics 5V dc 5 Pulse Optical Encoder with a 6.35 mm Round Shaft, Wire Lead Copal Electronics 0 5 Incremental Digital Square Wave 5V dc 6.35 mm 9.35mm M17 - Round Wire Lead - 20mA
Copal Electronics 5V dc 5 Pulse Optical Encoder with a 6.35 mm Round Shaft, Wire Lead Copal Electronics 0 5 Incremental Digital Square Wave 5V dc 6.35 mm 9.35mm M17 - Round Wire Lead - 20mA
Copal Electronics 5V dc 5 Pulse Optical Encoder with a 6.35 mm Round Shaft, Wire Lead Copal Electronics 0 5 Incremental Digital Square Wave 5V dc 6.35 mm 9.35mm M17 - Round Wire Lead - 20mA
Copal Electronics 5V dc 50 Pulse Optical Encoder with a 6 mm Flat Shaft, Through Hole, Wire Lead Copal Electronics 0 50 - Digital Square Wave 5V dc 6 mm 16.5mm M9 Through Hole Flat Wire Lead - 30mA
Copal Electronics 5V dc 50 Pulse Optical Encoder with a 6 mm Flat Shaft, Through Hole, Wire Lead Copal Electronics 0 50 - Digital Square Wave 5V dc 6 mm 16.5mm M9 Through Hole Flat Wire Lead - 30mA
Copal Electronics 5V dc 50 Pulse Optical Encoder with a 6 mm Flat Shaft, Through Hole, Wire Lead Copal Electronics 0 50 - Digital Square Wave 5V dc 6 mm 16.5mm M9 Through Hole Flat Wire Lead - 30mA
Copal Electronics 5V dc 50 Pulse Optical Encoder with a 6 mm Flat Shaft, Through Hole, Wire Lead Copal Electronics 0 50 - Digital Square Wave 5V dc 6 mm 16.5mm M9 Through Hole Flat Wire Lead - 30mA
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