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Products
Encoders
Incremental
Kit
- E3 Motor Encoder
- E2 Motor Encoder
- E4T Miniature Motor Encoder
- E5 Motor Encoder
- E6 Motor Encoder
- E8T Miniature Motor Encoder
- E16 Micro Motor Encoder
- EC35 Commutation Motor Encoder
- M3K Miniature Magnetic Incremental Kit Encoder
- L2 Motor Encoder
- H1 Ball Bearing Rotary Shaft Encoder
- H3 Ball Bearing Rotary Shaft Encoder
- H5 Ball Bearing Rotary Shaft Encoder
- H6 Ball Bearing Rotary Shaft Encoder
- HD25 Industrial Rugged Metal Rotary Shaft Encoder
- S1 Rotary Shaft Encoder
- S2 Rotary Shaft Encoder
- S4T Miniature Rotary Shaft Encoder
- S5 Rotary Shaft Encoder
- S6 Rotary Shaft Encoder
- S16 Micro Rotary Shaft Encoder
- HB5M Hollow Shaft Optical Encoder
- HB6M Hollow Shaft Optical Encoder
- EM2 Transmissive Optical Encoder Module
- EM1 Transmissive Optical Encoder Module
- DISK-1 1 in. Transmissive Rotary Encoder Disk
- DISK-2 2 in. Transmissive Rotary Encoder Disk
- HUBDISK-1 1 in. Transmissive Rotary Disk
- HUBDISK-2 2 in. Transmissive Rotary Disk
- LIN Transmissive Linear Encoder Strip
- MAE3 Absolute Magnetic Kit Encoder
- A2K Absolute Encoder Kit
- MAE4 Miniature Absolute Encoder Kit
- HD25A Absolute Industrial Rugged Metal Optical Encoder
- A2 Absolute Optical Shaft Encoder
- MA3 Miniature Absolute Magnetic Shaft Encoder
- MA4 Miniature Absolute Magnetic Shaft Encoder
- A2T Absolute Optical Inclinometer
- T7 Networked Absolute Inclinometer
- CA-MIC3-W3-NC Cable, Three Discrete Wires, 3-pin High Retention Connector to Flying Leads
- CA-MIC3-SH-NC Cable, shielded, 3-pin high retention Connector to Flying Leads
- CA-MCL3-SH-NC Cable, shielded, 3-pin Latching Connector to Flying Leads
- CA-MCL3-W3-NC Cable, 3-Pos Latching, Flying Leads
- CA-MIC4-SH-NC Cable, 4-Pos High Retention
- CA-MIC4-W4-NC Cable, Four Discrete Wires, 4-pin High Retention Connector to Flying Leads
- CA-C5-SH-C5 Cable, shielded, 5-pin high retention Connector on each end
- CA-C5-SH-FC5 Cable, shielded, 5-pin high retention Connector to 5-pin latching connector
- CA-C5-SH-NC Cable, shielded, 5-pin high retention Connector to Flying Leads
- CA-C5-W4-NC Cable, four Discrete Wires, 5-pin High Retention Connector to Flying Leads
- CA-C5-W5-NC Cable, Five Discrete Wires, 5-pin High Retention Connector to Flying Leads
- CA-FC5-SH-FC5 Cable, Shielded, 5-pin Latching Connector on each end
- CA-FC5-SH-LC5 Cable, shielded, 5-pin latching connector to 5-pin high retention connector
- CA-FC5-SH-NC Cable, Shielded, 5-pin Latching Connector to Flying Leads
- CA-FC5-SH-RC7 Cable, shielded, 5-pin latching Connector to a 7-pin MIL-DTL-5015 connector
- CA-FC5-W4-NC Cable, Four Discrete Wires, 5-pin latching connector to flying leads
- CA-FC5-W5-NC Cable, five discrete wires, 5-pin Latching Connector to flying leads
- CA-LC5-SH-LC5 Cable, shielded, 5-pin high retention Connector on each end
- CA-LC5-SH-NC Cable, shielded, 5-pin high retention Connector to flying leads
- CA-LC5-W4-NC Cable, four Discrete Wires, 5-pin High Retention Connector to Flying Leads
- CA-LC5-W5-NC Cable, five Discrete Wires, 5-pin High Retention Connector to Flying Leads
- CA-DF5-SH-NC Cable, shielded, 5-pin high retention Connector to flying leads
- CA-MD6-SH-MD6 Cable, 6-Pos Modular Both Ends
- CA-MD6-SS-MD6 Cable, unshielded, 6-pin Modular Connector on each end
- CA-MD6A-SS-MD6 Cable, 6-Pos Modular (A2 Analog)
- CA-MIC6-SH-NC Cable, Shielded, 6-pin High-Retention Connector to Flying Leads
- CA-MIC6-W6-NC Cable, Three Discrete Wires, 6-pin High Retention Connector to Flying Leads
- CA-PCL6-SH-NC Cable, Shielded, 6-pin High-Retention Connector to Flying Leads
- CA-RC7-SH-NC Cable, shielded, 7-pin MIL-DTL-5015 Connector to Flying Leads
- CA-C10-F-C10 Cable, flat, 10-pin high retention on each end
- CA-C10-SH-C10 Cable, Shielded, 10-pin high retention connector on each end
- CA-C10-SH-NC Cable, Shielded, 10-pin high retention connector to flying leads
- CA-C10L-SH-NC Cable, Shielded, 10-pin high retention connector to flying leads (Avago Pin-Out)
- CA-FC10-SH-FC10 Cable, 10-Pos Latching Both Ends
- CA-FC10-SH-NC Cable, Shielded, 10-pin latching connector to flying leads
- CA-FC10-W8-NC Cable, eight Discrete Wires, 10-pin Latching Connector to Flying Leads
- CA-FC10L-SH-FC10L Cable, Shielded, 10-pin latching connector on each end (Avago Pin-Out)
- CA-FC10L-SH-NC Cable, Shielded, 10-pin latching connector (Avago Pin-Out) to flying leads
- CA-FC10P-SH-NC Cable, Shielded, 10-Pin Latching Connector to flying leads (QSB-D QSB-M Pin-Out)
- CA-RC10-SH-NC Cable, shielded, 10-Pin MIL-DTL-5015 Connector to flying leads
- CA-E15-SH-NC Cable, 15-Pos High Retention, Flying Leads
- CA-CFR-PS-DB9P T7-232 Power and Serial Communication Cable
- CA-FC5-SH-MIC3 Cable, shielded, 5-pin latching Connector to 3-pin high retention connector
- CA-FC5-SH-MIC4 Cable, Shielded, 5-Pin Latching Connector to 4-Pin Micro Connector, Shielded Cable
- CA-MD3 USB to RS485 Adapter Cable for MD3
- CA-MD6-SH-RC10 6-Pin Modular Connector / 10-Pin MIL-DTL-5015 Connector, Shielded Cable
- CA-FC5-SH-MCL3 Cable, shielded, 5-pin latching Connector to 3-pin latching connector
- CA-CFR-PS-NC T7 PUR Shielded Cable with Leads
- CA-CFTR-PS-NC T7 PUR Shielded Cable with Leads and Terminating Resistor
- CA-CM-PS-CFR T7 PUR Shielded Cable
- CA-CM-PS-CFTR T7 PUR Shielded Cable with Terminating Resistor
- CON-C10 10-pin High Retention Connector
- CON-C5 5-pin High Retention Connector
- CON-CAN-MFF T7 BUS Splitter - 1M to 2F Connector
- CON-FC10 10-pin Latching Connector
- CON-FC5 5-pin Latching Connector
- CON-LC5 5-pin High-Retention Connector
- CON-MD6 6-pin Modular Connectors
- CON-MIC3 3-pin High Retention Connector
- CON-MIC4 4-pin High Retention Connector
- CON-MIC6 6-pin High Retention Connector
- CON-RC10 10-pin Round MIL-DTL-5015 Connector
- CON-RC7 7-pin Round MIL-DTL-5015 Connector
- ED4 Digital Encoder Display
- Centering Tool CTOOL & MCTOOL
- HEXD-050 HEX Driver - .050 in.
- HEXW HEX Wrench
- SCREWS Thread Fasteners
- SPACER Spacer Tool
- EA Incremental Encoder Adapter
- PC3 Encoder Open Collector Cable Driver
- PC4 Incremental Encoder Cable Driver
- PC5 Broadcom/Avago Compatible Incremental Encoder Cable Driver
- LS7267 24-BIT DUAL-AXIS Quadrature Counter
- LS7267-S 24-BIT DUAL-AXIS Quadrature Counter
- LS7083N Encoder to Counter Interface Chip
- LS7083N-S Encoder to Counter Interface Chip
- LS7184N Encoder to Counter Interface Chip
- LS7184N-S Encoder to Counter Interface Chip
- LS7366R-S 32-Bit Quadrature Counter with Serial Interface
- LS7183N Encoder to Counter Interface Chip
- LS7183N-S Encoder to Counter Interface Chip
- LS7084N-S Encoder to Counter Interface Chip
- LS7084N Encoder to Counter Interface Chip
- SEI-USB SEI to USB Adapter
- QSB Quadrature to USB Adapter
- USB4 Encoder Data Acquisition USB Device
- MD3 Microstepping Motor Driver
- PS-12 Regulated Switching 12 V (1.5 A) Power Supply
- E4 Miniature Optical Kit Encoder
- E4P OEM MINIATURE OPTICAL KIT ENCODER
- E7P OEM OPTICAL KIT ENCODER
- E8P OEM OPTICAL KIT ENCODER
- PE LINEAR PROBE ENCODER
- S4 MINIATURE OPTICAL SHAFT ENCODER
- AD2B SEI TO RS-232 ADAPTER (9-PIN)
- AD7 HD25A BREAKOUT BOX
- EADAPT ENCODER SIGNAL CONVERTER
- EDAC2 ENCODER DIGITAL TO ANALOG CONVERTER
- EPOT VOLTAGE-TO-QUADRATURE OR VOLTAGE-TO-STEP/DIRECTION CONVERTER
- EQUAD UP/DOWN CLOCK TO QUADRATURE ENCODER
- ESUM TWO ENCODERS TO ONE ENCODER ADDER/SUBTRACTOR
- ESWITCH ENCODER SPEED/POSITION SENSING SWITCH
- ETACH2 HIGH SPEED ENCODER TO ANALOG TACHOMETER
Shaft
Hollow Shaft
Components
Modules
Disks and Strips
Absolute
Kit
Shaft
Inclinometers
Accessories
Cables
3-Pin
4-Pin
5-Pin
6-Pin
7-Pin
10-Pin
15-Pin
Adapters
T7
Connectors
Digital Displays
Hardware
Interfaces
Cable Drivers
ICS
USB
Motor Drivers
Power Supplies
Discontinued Products
Discontinued Encoders
Discontinued Interfaces
Support
FAQS
General
- What is an encoder?
- How do encoders work?
- How do I choose an encoder?
- What bore sizes are available on the encoder kits?
- What is the difference between an incremental and an absolute encoder?
- What is an index?
- How do I clean an encoder disk?
- What tolerances are held for bore size on the encoder kits?
- What is encoder resolution?
- What is the difference between encoder resolution, accuracy, and precision?
- What are the minimum and maximum resolutions available on US Digital incremental encoders?
- Which resolution do I need?
- How can I change the resolution of my encoder?
- How do I mount a linear encoder strip?
- How critical is encoder alignment?
- Where can I find assembly instructions?
- If an encoder is being installed in an electrically noisy environment, what can be done to mitigate the potential interference with the encoder signals?
- Will US Digital encoders work in a vacuum environment?
- Will US Digital encoders work in a radioactive environment?
- Do US Digital encoders work well in a dusty environment?
- Do US Digital encoders work in a humid environment?
- Does vibration affect the operation of US Digital encoders?
- What is the maximum cable length I can use with my encoder?
- What cable do I need for my encoder?
- What is the difference between single-ended and differential outputs?
- What can cause erratic signals from my encoder?
- What voltages can be used on US Digital encoders?
- How do I test my encoder?
- Are encoders susceptible to ESD (electrostatic discharge)?
- Shipping
- Shaft and Bore Tolerances-TB1001
- Using the MA3 Absolute Shaft Encoder to Determine Wind Direction (Student White Paper)
- T7 Networked Absolute Inclinometer
- Resolution, Accuracy, and Precision of Encoders
- How to pick the right encoder for your next project
- Encoder Basics for Motion Control Engineers
- US Digital E2 Cross-Reference Guide – HEDM-5x0x
- US Digital E2 Compatibility Guide for Broadcom/Avago/Agilent/HP HEDS-5XXX Encoder
- US Digital E5 Compatibility Guide for Broadcom/Avago/Agilent/HP HEDL-5XXX Encoder
- US Digital E6 Compatibility Guide for Broadcom/Avago/Agilent/HP HEDL-65xx Encoder
- US Digital EC35 Compatibility Guide for Renco R35i Encoder
- US Digital EM1 Compatibility Guide for Broadcom/Avago/Agilent/HP HEDS-9XXX Module
- Absolute Encoder Selector Guide
- Mini Encoder Selector Guide
- Module and Hubdisk Selection Chart
- Motor Encoder Selector Guide
- Rotary Shaft Encoder Selector Guide
- COMTool User Guide
- ED3 Tachometer Worksheet
- MD3 User Guide
- QSB Application Examples
- QSB Command List
- QSB Manual Firmware Update Procedure
- SEI Absolute Encoder Communications Protocol
- SEI Serial Encoder Interface Bus
- T7 Communication User Guide
- T7 DLL User Guide
- T7 Modbus Communication User Guide
- USB4 Connecting Multiple Devices Q&A
- USB4 Driver Upgrade Instructions
- USB4 User Manual
- ED4 Quick Start Guide
- Assembly Instructions and Videos
- PCN 7516 - EOL - ED3
- PCN 7481 - MA3 and MAE3
- PCN 7357 - E3 and E6 Packaging Option Changes
- PCN 7315 - HB5M, HB6M & HD25
- PCN 7195 - E4T, E8T Packaging
- PCN 7192 - E4T and S4T Update
- PCN 7191 - E2 and H1 Material Change
- PCN 7190 - E2, E5 Packaging
- PCN 7163 - ED3 Firmware Update
- PCN 7114 - MD3 Firmware Update
- PCN 7115 - HUBDISK-2 Packaging
- PCN 7058 - E6, S6 & H6 Marking/Insert
- PCN 6938 - QSB Product Marking
- PCN 6935 - S2 Housing Update
- PCN 6804 - E3 Base Mold Update
- PCN 6644 - 2" Hub/Disk Assembly Screw Change
- PCN 6514 - Updated PCB for E8T
- PCN 6466 - Updated PCB for E4T and S4T
- PCN 6457 - EOL - MD2S
- PCN 6297 - HUBDISK-1 Packaging
- PCN 6232 - Updated 1 and 2-inch Disks
- PCN 6228 - PC3-H5, PC4, PC5, PC6 Markings
- PCN 6227 - E4T, S4T and E8T Laser Markings
- PCN 5975 - EOL LFLS7266R1/LFLS7266R1-S
- PCN 5894 - EOL - E7P - E8P
- PCN 5741 - E4, E4P and S4
- PCN 5549 - MAE3 Hub End of Life
- PCN 5514 - SEI-USB Case Revision
- PCN 5367 - Hub Set Screw Production Change
- PCN 5259 - H1 Mold Update
- PCN 5258 - E2 Mold UpdateCont
- PCN 5254 - EOL - PE (Linear Probe Encoder)
- PCN 5253 - Laser Marking
- PCN 4537 - A2/HD25A Product Lines Detector Upgrade
- PCN 4464 - CE RoHS
- PCN 4199 - EM1 & EM2 Update
- PCN 3480 - EOL - CON-MD6-3J
- PCN 3479 - EOL - CON-MD6-2J
- PCN 1036 - EOL PCI-4E
- PCN 1035 - EOL PCI-3E
- PCN 1034 - EOL EDAC2
- PCN 1033 - EOL USB-232
- PCN 1032 - EOL T6
- PCN 1031 - EOL T5
- PCN 1030 - EOL SP-16
- PCN 1029 - EOL HBA2
- PCN 1028 - EOL H15
- PCN 1027 - EOL FC
- PCN 1026 - EOL ETACH2
- PCN 1025 - EOL EQUAD
- PCN 1024 - EOL EPOT
- PCN 1023 - EOL EDIVIDE
- PCN 1022 - EOL AD7
- PCN 1021 - EOL Sealed Housing Option
- PCN 1016 - EM1 LED Die
- PCN 1014 - E4 - E4P - S4 Update
- PCN 1013 - DISK-2 BCD
- PCN 1011 - Interface Product Laser Marking
- PCN 1009 - E5 Laser Marking
- PCN 1008 - E5 Insert Overmold
- PCN 1007 - E5 Mold Update
- PCN 7642 - E3, E6 Packaging
- Absolute Encoder
- Accuracy
- Channel
- Cycles Per Revolution
- Cycle
- Cycle Error
- Differential Output
- Disk
- Duty Jitter
- Eccentricity Error
- Electrical Degree
- Encoder
- Encoder Module
- Frequency
- Homing Cycle
- HubDisk
Resolution
Mounting
Environmental
Electrical
Ordering
Resources
Reference
Technical Docs
Technical Bulletins
White Papers
Compatibility Guides
Selector Guides
User Guides
Product Change Notifications
Glossary
News
Events
- Visit US Digital at SPS 2026
- MAE4 and MA4 - New Miniature Absolute Encoders
- New Magnetic Encoder M3K
- US Digital celebrates 40th anniversary
- 800 CPR Resolution Option Added to EM1 Module
- EC35 Commutation Encoder with Higher Resolutions
- US Digital Releases New Small Encoder E16 Optical
- E4T and S4T Miniature Optical Encoders Are Now Ava
- US Digital Releases New MD3 Microstepping Motor Driver
- Paylink Now Available to US Digital Customers
- US Digital Introduces New Addition to Miniature Op
- US Digital Achieves ISO 90012015 Certification
- Introducing Our Latest Miniature Optical Encoders
- US Digital Microsoft
- US Digital Releases EM2
- US Digital Awarded ISO 90012008 Certification
- US Digital Releases EC35
- Announcing s16 micro optical encoder
- E5, E6 encoders now support 30VDC internally
- US Digital's New ED4 Digital Encoder Display
- US Digital's New L2 Low Profile Motor Encoder
- L2 Low-Profile Encoder Adds Higher Resolutions
- Difference incremental vs absolute encoders
- Encoder size
- Small Rotary Encoders
- What is an encoder?
- New Injection Molding Lens Machine
- Custom Automation Machine Vision
- Customer Spotlight: Hydrow Rower Optical Encoder
- Customer Service Focus
- We use automation to create new opportunities
- What is Quadrature
- What is encoder index?
- Project Pitlane ventilators use Encoders Covid19
- In-house engineering talent automates process
- Supports first robotics team mean machine 2019
- How does electrical noise impact your encoder
- Where are encoders used in the oil industry
- Encoder resolution accuracy and precision
- How are encoders used on pumps in medical?
- US Digital automates product process
- Understanding encoder resolution and its 3 forms
- Encoders as control knobs
- Absolute encoder interface types
- How small is an arcsecond
- Encoders 013 absolute encoders intro
- Encoders used on drones
- How does an encoder work?
- The strange history of encoders
- Kit hollow bore or shaft encoder
- Who made the first optical encoder
- Difference between optical, magnetic and capacitive encoders?
- Difference between linear and rotary encoders
- Encoders 002 encoder applications robotics
- When do you need an absolute encoder
- How to verify the resolution of a quadrature encoder without an Oscilloscope
- How to test and configure inclinometers and encoders with any PC