Allen-Bradley / Rockwell Automation Datasheets for Rotary Encoders

Rotary encoders convert the angular position of a shaft or axle to an analog or digital code. There are two types of rotary encoders, absolute and incremental encoders, which can be controlled by various technologies which include mechanical, optical, magnetic and fiber optic.
Rotary Encoders: Learn more

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Product Name Notes
24 Vdc Incremental Encoder Module - Conformal Coated
842E EtherNet/IP Multi-Turn Encoders, Multi-turn (4096 turns), Hollow shaft 14 mm, M12 connector, 262,144 (18 bit) steps per revolution
842E EtherNet/IP Multi-Turn Encoders, Multi-turn (4096 turns), Solid shaft 10 mm, M12 connector, 262,144 (18 bit) steps per revolution
842E EtherNet/IP Multi-Turn Encoders, Single-turn (1 turn), Hollow shaft 3/8 in, M12 connector, 262,144 (18 bit) steps per revolution
842E-CM Ethernet/IP Encoder - CIP Motion, Multi-turn (4096 turns), Hollow shaft 12 mm, M12 connector, 262,144 (18 bit) steps per revolution
842HR Sine Cosine/Serial EncoderMulti-turn (4096 turns), Hub shaft, 6 mm blind hollow shaft, 7...12V DC, MS 10-pin Connector
842HR Sine Cosine/Serial EncoderSingle-turn (1 turn), Hub shaft, 8 mm blind hollow shaft, 5...12V DC, MS 10-pin Connector
842HR Sine Cosine/Serial EncoderSingle-turn (1 turn), Square Flange, 3/8 inch solid shaft, 5...12V DC, MS 10-pin Connector
843ES CIP Safety Encoders, Single-turn (1 turn), Solid shaft 3/8 in, M12 connector, 32,768 (15 bit) safety and 262,144 (18 bit) standard steps per revolution, 58 mm clamping flange
844D Hollow Shaft Incremental Encoders, Front (Hollow-Shaft), 1 Inch, Tether, 1/2 in. bolt on a 7.25 in. dia. B.C. (to fit 8.5 in. NEMA C face), 1m (3.28ft) Cable, 5-26V...
844D Hollow Shaft Incremental Encoders, Front (Hollow-Shaft), 1 Inch, Tether, 3/8 in. bolt on a 5.88 in. dia. B.C. (to fit 4.5 in. NEMA C face), 10 Pin Connector, 5-26V...
844D Hollow Shaft Incremental Encoders, Front (Hollow-Shaft), 1-1/8 Inch, Tether, 3/8 in. bolt on a 2.5-4.0 in. dia, 10 Pin Connector, 5V DC In, 5V DC DLD Out (3487), 2500...
844D Hollow Shaft Incremental Encoders, Front (Hollow-Shaft), 1-1/8 Inch, Tether, 3/8 in. bolt on a 5.88 in. dia. B.C. (to fit 4.5 in. NEMA C face), 10 Pin Connector, 5-26V...
844D Hollow Shaft Incremental Encoders, Front (Hollow-Shaft), 1-1/8 Inch, Tether, 3/8 in. bolt on a 5.88 in. dia. B.C. (to fit 4.5 in. NEMA C face), Terminal Block, 5-26V DC...
844D Hollow Shaft Incremental Encoders, Front (Hollow-Shaft), 1/2 Inch, Tether, 3/8 in. bolt on a 2.5-4.0 in. dia, 10 Pin Connector, 5V DC In, 5V DC DLD Out (3487), 2500...
844D Hollow Shaft Incremental Encoders, Front (Hollow-Shaft), 1/2 Inch, Tether, 3/8 in. bolt on a 2.5-4.0 in. dia, 10 Pin Connector, 8-26V DC In, 5V DC DLD Out (3487), 2048...
844D Hollow Shaft Incremental Encoders, Front (Hollow-Shaft), 5/8 Inch, Tether, 3/8 in. bolt on a 2.5-4.0 in. dia, 10 Pin Connector, 5-15V DC In, 5-15V DC DLD Out (4469), 4096...
844D Hollow Shaft Incremental Encoders, Front (Hollow-Shaft), 5/8 Inch, Tether, 3/8 in. bolt on a 2.5-4.0 in. dia, 10 Pin Connector, 5-26V DC In, 5-26V DC DLD Out (7272), 1024...
844D Hollow Shaft Incremental Encoders, Front (Hollow-Shaft), 5/8 Inch, Tether, 3/8 in. bolt on a 5.88 in. dia. B.C. (to fit 4.5 in. NEMA C face), 1m (3.28ft) Cable, 5V...
844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 1 Inch, Anti-rotation pin, 10 Pin Connector, 5-15V DC In, 5-15V DC DLD Out (4469), 8192 Pulses Per Revolution
844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 1 Inch, Anti-rotation pin, 10 Pin Connector, 5V DC In, 5V DC DLD Out (3487), 1024 Pulses Per Revolution
844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 1 Inch, Tether, 1/2 in. bolt on a 7.25 in. dia. B.C. (to fit 8.5 in. NEMA C face), 10 Pin Connector, 5V...
844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 1 Inch, Tether, 1/2 in. bolt on a 7.25 in. dia. B.C. (to fit 8.5 in. NEMA C face), 10 Pin Connector, 8-26V...
844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 1 Inch, Tether, 3/8 in. bolt on a 2.5-4.0 in. dia, 10 Pin Connector, 5-15V DC In, 5-15V DC DLD Out (4469), 4096...
844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 1 Inch, Tether, 3/8 in. bolt on a 2.5-4.0 in. dia, 1m (3.28ft) Cable, 5V DC In, 5V DC DLD Out (3487), 8192...
844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 1 Inch, Tether, 3/8 in. bolt on a 5.88 in. dia. B.C. (to fit 4.5 in. NEMA C face), 10 Pin Connector, 5V...
844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 1-1/8 Inch, Anti-rotation pin, 10 Pin Connector, 5V DC In, 5V DC DLD Out (3487), 5000 Pulses Per Revolution
844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 1-1/8 Inch, Tether, 1/2 in. bolt on a 7.25 in. dia. B.C. (to fit 8.5 in. NEMA C face), 10 Pin Connector, 5-26V...
844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 1-1/8 Inch, Tether, 3/8 in. bolt on a 2.5-4.0 in. dia, 10 Pin Connector, 5V DC In, 5V DC DLD Out (3487), 5000...
844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 1/2 Inch, Anti-rotation pin, 10 Pin Connector, 5-15V DC In, 5-15V DC DLD Out (4469), 2048 Pulses Per Revolution
844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 1/2 Inch, Tether, 1/2 in. bolt on a 7.25 in. dia. B.C. (to fit 8.5 in. NEMA C face), 1m (3.28ft) Cable, 5-26V...
844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 1/2 Inch, Tether, 3/8 in. bolt on a 2.5-4.0 in. dia, 10 Pin Connector, 5V DC In, 5V DC DLD Out (3487), 1024...
844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 1/2 Inch, Tether, 3/8 in. bolt on a 2.5-4.0 in. dia, 1m (3.28ft) Cable, 5-15V DC In, 5-15V DC DLD Out (4469), 10000...
844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 1/2 Inch, Tether, 3/8 in. bolt on a 2.5-4.0 in. dia, Terminal Block, 8-26V DC In, 5V DC DLD Out (3487), 360 Pulses...
844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 3/4 Inch, Tether, 3/8 in. bolt on a 2.5-4.0 in. dia, Terminal Block, 8-26V DC In, 5V DC DLD Out (3487), 1024 Pulses...
844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 30mm, Anti-rotation pin, 10 Pin Connector, 8-26V DC In, 5V DC DLD Out (3487), 1024 Pulses Per Revolution
844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 30mm, Tether, 1/2 in. bolt on a 7.25 in. dia. B.C. (to fit 8.5 in. NEMA C face), 10 Pin Connector, 5-26V DC...
844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 5/8 Inch, Tether, 1/2 in. bolt on a 7.25 in. dia. B.C. (to fit 8.5 in. NEMA C face), 10 Pin Connector, 5-26V...
844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 5/8 Inch, Tether, 1/2 in. bolt on a 7.25 in. dia. B.C. (to fit 8.5 in. NEMA C face), 10 Pin Connector, 8-26V...
844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 5/8 Inch, Tether, 3/8 in. bolt on a 2.5-4.0 in. dia, 10 Pin Connector, 5-26V DC In, 5-26V DC DLD Out (7272), 1024...
844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 5/8 Inch, Tether, 3/8 in. bolt on a 2.5-4.0 in. dia, 10 Pin Connector, 5-26V DC In, 5-26V DC DLD Out (7272), 16384...
844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 5/8 Inch, Tether, 3/8 in. bolt on a 2.5-4.0 in. dia, 1m (3.28ft) Cable, 5-26V DC In, 5-26V DC DLD Out (7272), 5000...
844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 7/8 Inch, Tether, 1/2 in. bolt on a 7.25 in. dia. B.C. (to fit 8.5 in. NEMA C face), 10 Pin Connector, 5-26V...
Absolute Multi-Turn Optical Encoder, (4096 Counts Per Revolution, 4096 Revolutions)
Incremental Encoder , 3-Point Mounting , 1/2 inch Diameter Metal Hollow Shaft , 4.5-5.5 Volt Line Driver,TTL (A-Leads-B, CW, Z gated with A) , M12 Connector, 8-Pin with mating connector,...
Incremental Encoder , 3-Point Mounting , 1/2 inch Diameter Metal Hollow Shaft , 8-30 Volt Line Driver,HTL (A-Leads-B, CW, Z gated with A) , 1.5m (4.92 ft) Cable, 1000 Pulses...
Incremental Encoder , Standard Servo Mount , 10 mm Diameter Shaft with Flat , 4.5-5.5 Volt Line Driver,TTL (B-Leads-A, CW, Z gated with BN) , MS Connector, 10-Pin with mating...
Incremental Encoder , Standard Servo Mount , 3/8 inch Diameter Shaft with Flat , 4.5-5.5 Volt Line Driver,TTL (B-Leads-A, CW, Z gated with BN) , M12 Connector, 8-Pin, 5000 Pulses...
Incremental Encoder , Standard Servo Mount , 3/8 inch Diameter Shaft with Flat , 4.5-5.5 Volt Line Driver,TTL (B-Leads-A, CW, Z gated with BN) , MS Connector, 10-Pin with mating...
Incremental Encoder , Standard Servo Mount , 3/8 inch Diameter Shaft with Flat , 4.5-5.5 Volt Line Driver,TTL (B-Leads-A, CW, Z gated with BN) , MS Connector, 10-Pin, 2500 Pulses...
Incremental Encoder , Standard Servo Mount , 3/8 inch Diameter Shaft with Flat , 8-30 Volt Open Collector (A-Leads-B, CW, Z gated with A) , 1.5m (4.92 ft) Cable, 900...
Incremental Encoder , Standard Square Flange , 10 mm Diameter Shaft with Flat , 4.5-5.5 Volt Line Driver,TTL (A-Leads-B, CW, Z gated with A) , MS Connector, 10-Pin with mating...
Incremental Encoder , Standard Square Flange , 10 mm Diameter Shaft with Flat , 8-30 Volt Line Driver,HTL (A-Leads-B, CW, Z gated with A) , MS Connector, 6-Pin, 1 Pulses...
Incremental Encoder , Standard Square Flange , 3/8 inch Diameter Shaft with Flat , 4.5-5.5 Volt Line Driver,TTL (B-Leads-A, CW, Z gated with BN) , MS Connector, 10-Pin with mating...
Incremental Encoder , Standard Square Flange , 3/8 inch Diameter Shaft with Flat , 4.5-5.5 Volt Line Driver,TTL (B-Leads-A, CW, Z gated with BN) , MS Connector, 10-Pin, 3600 Pulses...
Incremental Encoder , Standard Square Flange , 3/8 inch Diameter Shaft with Flat , 4.5-5.5 Volt Line Driver,TTL (B-Leads-A, CW, Z gated with BN) , MS Connector, 7-Pin, 100 Pulses...
Incremental Encoder , Standard Square Flange , 3/8 inch Diameter Shaft with Flat , 8-30 Volt Line Driver,HTL (A-Leads-B, CW, Z gated with A) , MS Connector, 10-Pin with mating...
Incremental Encoder , Standard Square Flange , 3/8 inch Diameter Shaft with Flat , 8-30 Volt Line Driver,HTL (B-Leads-A, CW, Z gated with BN) , 10m (32.8 ft) Cable, 500...
Incremental Encoder , Standard Square Flange , 3/8 inch Diameter Shaft with Flat , 8-30 Volt Line Driver,HTL (B-Leads-A, CW, Z gated with BN) , MS Connector, 10-Pin with mating...
Incremental Encoder , Standard Square Flange , 3/8 inch Diameter Shaft with Flat , 8-30 Volt Line Driver,HTL (B-Leads-A, CW, Z gated with BN) , MS Connector, 6-Pin with mating...
Incremental Encoder , Standard Square Flange , 6 mm Diameter Shaft with Flat , 4.5-5.5 Volt Open Collector (B-Leads-A, CW, Z gated with BN) , MS Connector, 7-Pin with mating...
Incremental Encoder , Standard Square Flange , 6 mm Diameter Shaft with Flat , 8-30 Volt Open Collector (B-Leads-A, CW, Z gated with BN) , 5m (16.4 ft) Cable, 100...
Optical Absolute Encoder, NEMA Type 4, Single-Turn, Size 25, 8-12 bit with Binary Output, 1000 Counts Per Revolution
Optical Absolute Encoder, NEMA Type 4, Single-Turn, Size 25, 8-12 bit with Binary Output, 1024 Counts Per Revolution
Optical Absolute Encoder, NEMA Type 4, Single-Turn, Size 25, 8-12 bit with Binary Output, 256 Counts Per Revolution
Optical Absolute Encoder, NEMA Type 4, Single-Turn, Size 25, 8-12 bit with Binary Output, 360 Counts Per Revolution
Optical Absolute Encoder, NEMA Type 4, Single-Turn, Size 25, 8-12 bit with Binary Output, 512 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 20, 8-11 bit w/Binary Coded Decimal, 12 bit/0-999 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 20, 8-11 bit w/Binary Coded Decimal, 9 or 10 bit/0-359 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 20, 8-11 bit w/Gray Code, 10 bit/0-1023 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 20, 8-11 bit w/Gray Code, 11 bit/0-2047 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 20, 8-11 bit w/Gray Code, 12 bit/0-4095 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 20, 8-11 bit w/Gray Code, 13 bit/0-8191 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 20, 8-11 bit w/Gray Code, 14 bit/0-16,383 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 20, 8-11 bit w/Gray Code, 15 bit/0-32,767 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 20, 8-11 bit w/Gray Code, 8 bit/0-255 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 20, 8-11 bit w/Gray Code, 9 bit/0-511 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 20, 8-11 bit w/Natural Binary, 10 bit/0-1023 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 20, 8-11 bit w/Natural Binary, 11 bit/0-2047 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 20, 8-11 bit w/Natural Binary, 12 bit/0-4095 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 20, 8-11 bit w/Natural Binary, 13 bit/0-8191 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 20, 8-11 bit w/Natural Binary, 14 bit/0-16,383 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 20, 8-11 bit w/Natural Binary, 15 bit/0-32,767 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 20, 8-11 bit w/Natural Binary, 8 bit/0-255 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 20, 8-11 bit w/Natural Binary, 9 bit/0-511 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 25, Binary Coded Decimal Output, 12 bit/0-999 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 25, Binary Coded Decimal Output, 9 or 10 bit/0-359 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 25, Gray Code Output, 10 bit/0-1023 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 25, Gray Code Output, 11 bit/0-2047 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 25, Gray Code Output, 12 bit/0-4095 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 25, Gray Code Output, 12 bit/0-999 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 25, Gray Code Output, 13 bit/0-8191 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 25, Gray Code Output, 14 bit/0-16,383 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 25, Gray Code Output, 15 bit/0-32,767 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 25, Gray Code Output, 8 bit/0-255 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 25, Gray Code Output, 9 bit/0-511 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 25, Gray Code Output, 9 or 10 bit/0-359 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 25, Natural Binary Output, 10 bit/0-1023 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 25, Natural Binary Output, 11 bit/0-2047 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 25, Natural Binary Output, 12 bit/0-4095 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 25, Natural Binary Output, 13 bit/0-8191 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 25, Natural Binary Output, 14 bit/0-16,383 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 25, Natural Binary Output, 15 bit/0-32,767 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 25, Natural Binary Output, 8 bit/0-255 Counts Per Revolution
Optical Absolute Encoder, NEMA Type4/Type 13, Single-Turn, Size 25, Natural Binary Output, 9 bit/0-511 Counts Per Revolution

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