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Rotary switches are rotary pulse generators that replace the analog function of conventional resistive potentiometers. These rotary switches are often used as human-machine interface (HMI) devices for front panel instruments and audio-visual boards.

Avago's rotary switches utilize quadrature optical encoders, which are pure digital devices acting as analog potentiometers. These rotary switches appear similar to resistive or conventional potentiometers. However, the internal systems of these rotary switches are fully digitalized and using optical technology. Similar to conventional incremental encoders, Avago’s rotary switches have two quadrature outputs (Channel A and Channel B). These rotary switches’ internal system works and interface directly with typical quadrature decoders such as the HCTL-2022, HCTL-2032, or a microprocessor, and does not require special analog-to-digital conversion circuitry.

Avago's HRPG series of rotary switches utilize optical reflective technology and are available for cycle-per-revolution (CPR) range of 16CPR, 32CPR, and 120CPR. Alternatively, the HEDS-5700 Series of rotary switches utilize optical transmissive technology and is available for various CPR range of 96CPR to 512CPR. Multiple configuration options are available, which include smooth or detented turning, multiple mounting bracket, and different shaft configurations. These devices are available in 2-channel quadrature output with optional index pulse. They are alos available with or without static drag for manual or mechanized operation.

Typical applications include:instruments, CAD/CAM systems,
and audio/video control boards.

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Rotary Switches
Part Number Data Sheets & Technical Specifications Distributor Inventory Product Name Lifecycle RoHS6 fully compliant Resolution Line Driver Shaft Diameter Shaft Diameter (Unit of Measure) Smooth/Detended Turning




















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HEDS-5700#A01 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 500 6 mm 12.7
HEDS-5700#A02 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 500 1/4 in 12.7
HEDS-5700#A10 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 500 in 12.7
HEDS-5700#C01 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 100 6 mm 12.7
HEDS-5700#C02 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 100 1/4 in 12.7
HEDS-5700#C10 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 100 1/4 in 12.7
HEDS-5700#C11 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 100 6 mm 12.7
HEDS-5700#F00 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 256 1/4 in 12.7
HEDS-5700#F11 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 256 6 mm 12.7
HEDS-5700#F12 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 256 1/4 in 12.7
HEDS-5700#G00 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 360 1/4 in 12.7
HEDS-5700#I00 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Not Recommended for New Design 512 in 12.7
HEDS-5700#I01 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Not Recommended for New Design 512 6 mm 12.7
HEDS-5700#I02 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 512 1/4 in 12.7
HEDS-5700#I10 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 512 1/4 in 12.7
HEDS-5700#I12 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 512 1/4 in 12.7
HEDS-5700#K01 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Not Recommended for New Design 96 6 mm 12.7
HEDS-5700#K10 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 96 1/4 in 12.7
HEDS-5701#A00 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 500 1/4 in 12.7
HEDS-5701#A02 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 500 1/4 in 12.7
HEDS-5701#A12 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 500 1/4 in 12.7
HEDS-5701#C10 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 100 1/4 in 12.7
HEDS-5701#F00 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 256 1/4 in 12.7
HEDS-5701#F01 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 256 6 mm 12.7
HEDS-5701#F10 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 256 1/4 in 12.7
HEDS-5701#F11 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 256 6 mm 12.7
HEDS-5701#G00 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 360 1/4 in 12.7
HEDS-5701#H01 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 400 6 mm 12.7
HEDS-5701#H12 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 400 1/4 in 12.7
HEDS-5701#I02 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 512 1/4 in 12.7
HEDS-5740#I02 Data Sheet - HEDS-5700 Panel mount Encoder Yes Panel Mount Optical Encoders Active 512 1/4 in 12.7
HRPG-AD16#16C Data Sheet - HRPG Miniature Panel Mount Encoder Yes Miniature Panel Mount Optical Rotary Encoder Active Y 16 in 0.5
HRPG-AD16#16F Data Sheet - HRPG Miniature Panel Mount Encoder Yes Miniature Panel Mount Optical Encoders Active Y 16 in 0.5
HRPG-AD16#16R Data Sheet - HRPG Miniature Panel Mount Encoder Yes Miniature Panel Mount Optical Encoders Active Y 16 in 0.5
HRPG-AD16#51R Data Sheet - HRPG Miniature Panel Mount Encoder Yes Miniature Panel Mount Optical Encoders Active Y 16 6 mm 7.6
HRPG-AD16#54F Data Sheet - HRPG Miniature Panel Mount Encoder Yes Miniature Panel Mount Optical Encoders Active Y 16 6 mm 12.7
HRPG-AD16#54R Data Sheet - HRPG Miniature Panel Mount Encoder Yes Miniature Panel Mount Optical Encoders Active Y 16 6 mm 12.7
HRPG-AD16#56C Data Sheet - HRPG Miniature Panel Mount Encoder Yes Miniature Panel Mount Optical Encoders Active Y 16 6 mm 12.7
HRPG-AD16#56F Data Sheet - HRPG Miniature Panel Mount Encoder Yes Miniature Panel Mount Optical Encoders Active Y 16 6 mm 12.7
HRPG-AD16#59F Data Sheet - HRPG Miniature Panel Mount Encoder Yes Miniature Panel Mount Optical Encoders Active Y 16 6 mm 20.3
HRPG-AD32#11C Data Sheet - HRPG Miniature Panel Mount Encoder Yes Miniature Panel Mount Optical Encoders Active Y 32 in 0.3
HRPG-AD32#11R Data Sheet - HRPG Miniature Panel Mount Encoder Yes Miniature Panel Mount Optical Encoders Not Recommended for New Design Y 32 in 0.3
HRPG-AD32#13C Data Sheet - HRPG Miniature Panel Mount Encoder Yes Miniature Panel Mount Optical Encoders Active Y 32 in 0.3
HRPG-AD32#13F Data Sheet - HRPG Miniature Panel Mount Encoder Yes Miniature Panel Mount Optical Encoders Active Y 32 in 0.3
HRPG-AD32#13R Data Sheet - HRPG Miniature Panel Mount Encoder Yes Miniature Panel Mount Optical Encoders Active Y 32 in 0.3
HRPG-AD32#14C Data Sheet - HRPG Miniature Panel Mount Encoder Yes Miniature Panel Mount Optical Encoders Active Y 32 in 0.5
HRPG-AD32#14F Data Sheet - HRPG Miniature Panel Mount Encoder Yes Miniature Panel Mount Optical Encoders Active Y 32 in 0.5
HRPG-AD32#14R Data Sheet - HRPG Miniature Panel Mount Encoder Yes Miniature Panel Mount Optical Encoders Active Y 32 in 0.5
HRPG-AD32#16C Data Sheet - HRPG Miniature Panel Mount Encoder Yes Miniature Panel Mount Optical Encoders Active Y 32 in 0.5
HRPG-AD32#16F Data Sheet - HRPG Miniature Panel Mount Encoder Yes Miniature Panel Mount Optical Encoders Active Y 32 in 0.5