6MM Hollow Shaft Rotary Encoder - 1000 PPR, 5-24VDC, NPN Incremental

Specifications

• Operating Voltage: 5V to 24V DC

• Resolution: 1000 Pulses Per Revolution (PPR)

• Shaft Diameter: 6mm (Hollow Shaft Type)

• Output Mode: NPN Open Collector Output

• Phases: AB two-phase incremental

• Maximum Speed: 6000 r/min

• Outer Diameter: 38mm

• Supply Current: 80mA

Key Applications and Projects

• High-Precision CNC Machining: Monitoring tool-head position with 1000 PPR resolution for ultra-fine machining tolerances.

• Robotic Arm Articulation: Providing real-time angular feedback for high-speed pick-and-place robotic systems.

• Automated Packaging Lines: Synchronizing multiple conveyor belts to ensure precise timing during high-volume production cycles.

Unlock New Capabilities (Project Evolution)

• Resolution Upgrade: Transition from standard 360 or 600 PPR sensors to this 1000 PPR model to significantly improve the smooth-step performance of motor drivers.

• Space-Saving Upgrade: Use the hollow shaft design to mount the encoder directly onto the motor tail, eliminating the extra length required by solid-shaft-to-coupling assemblies.

Package Includes:

• 1 x 6MM Hollow Shaft 1000 PPR Incremental Rotary Encoder

FREQUENTLY ASKED QUESTIONS (FAQ)

1. What is the benefit of a hollow shaft? It allows the encoder to be mounted directly over an existing 6mm shaft, saving space and reducing alignment errors caused by couplings.

2. Can I use this with an Arduino? Yes, it works at 5V, though you must use external pull-up resistors for the NPN outputs if the internal ones are insufficient.

3. Does it measure absolute position? No, it is an incremental encoder that tracks relative movement. You will need a "home" sensor for absolute zero.

4. How do I detect clockwise vs. counter-clockwise? The AB two-phase output provides two signals that are offset; the sequence determines the direction.

5. What is NPN Open Collector? It means the output pins pull the signal to Ground when active. It requires a pull-up resistor to VCC to create a high signal.

6. What is the maximum frequency? At 6000 RPM and 1000 PPR, the output frequency is 100kHz.

7. Is the connection cable shielded? Yes, it includes a high-grade shielded cable to ensure signal integrity in electrically noisy industrial environments.

8. What is the shaft size? It is designed for a standard 6mm diameter shaft.

9. What color wires are used? Typically Red is VCC and Black is GND, but always verify the wiring diagram printed on the encoder label.

10. Can it handle 24V power? Yes, it is fully rated for industrial 5V to 24V DC power systems.

11. What is PPR? It stands for Pulses Per Revolution. This model provides 1000 pulses for every $360^\circ$ turn.

12. Do I need to solder the wires? No, the integrated cable comes with pre-stripped ends for easy connection to terminal blocks or PCB headers.

13. Is the body material metal? Yes, the 38mm housing is constructed from high-durability alloy for industrial protection.

14. How much power does it consume? It draws approximately 80mA during standard operation.

15. What are the mounting brackets for? They provide a flexible anchor point to prevent the encoder body from spinning with the shaft.

16. Is it dustproof? The photoelectric sensor is enclosed in a sealed housing, protecting it from typical industrial debris.

17. Can I use it to measure liquid flow? If coupled to a paddle wheel or turbine shaft, it is excellent for high-resolution flow measurement.

18. What is the update speed? The high-speed photoelectric sensor provides near-instantaneous pulse generation.

19. How do I lock it to the shaft? The integrated brass collar features set screws to securely lock the encoder onto your 6mm axle.

20. Is this suitable for robotics? Absolutely; its high resolution and wide voltage range make it a top choice for advanced robotics students and hobbyists.