Autonics E40H8-1024-3-T-24 Rotary Encoder
Autonics E40H8-1024-3-T-24 Incremental Rotary Encoder (40 mm, Hollow Shaft, 1024 PPR)
Autonics E40H8-1024-3-T-24 is a 40 mm hollow-shaft incremental rotary encoder with 1024 PPR resolution and A, B, and Z outputs, designed for precise speed and position feedback in industrial automation systems.
The Autonics E40H8-1024-3-T-24 is a 40 mm diameter incremental rotary encoder with hollow shaft (Ø 8 mm) design, offering 1024 pulses per revolution and A, B, Z phase outputs. It uses a totem-pole output circuit and operates on 12–24 V DC power supply, making it ideal for industrial automation and motion control applications.
The compact design allows easy installation on rotating shafts while delivering accurate speed and position feedback.
Key Features
40 mm compact encoder housing
Hollow shaft design (Ø 8 mm)
High resolution 1024 PPR
A, B, Z phase output (incremental)
Totem-pole output circuit
Maximum response frequency up to 300 kHz
Maximum allowable speed: 5000 rpm
Shielded cable for noise immunity
Suitable for PLC, counter, and motion controllers
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | E40H8-1024-3-T-24 |
| Encoder Type | Incremental Rotary Encoder |
| Housing Diameter | 40 mm |
| Shaft Type | Hollow shaft |
| Shaft Inner Diameter | Ø 8 mm |
| Resolution | 1024 PPR |
| Output Phase | A, B, Z |
| Output Circuit | Totem-pole |
| Power Supply | 12–24 V DC ±5% |
| Max Response Frequency | 300 kHz |
| Max Allowable Speed | 5000 rpm |
| Starting Torque | ≤ 0.005 N·m |
| Protection Rating | IP50 |
| Operating Temperature | −10 to +70 °C |
| Weight | ≈ 120 g |
Applications
Motor speed feedback
Conveyor and roller systems
Packaging machinery
CNC and automation equipment
PLC-based motion control
Production line monitoring
What’s in the Box?
Autonics E40H8-1024-3-T-24 Rotary Encoder
Mounting hardware
Instruction manual
FAQs
Q1. What does 1024 PPR mean?
It means the encoder generates 1024 pulses per full shaft revolution for precise position feedback.
Q2. Is this encoder suitable for PLC and counters?
Yes. It is compatible with PLCs, counters, and motion controllers supporting incremental encoder inputs.
Q3. What is the benefit of hollow shaft type?
It allows direct mounting on shafts without couplings, reducing installation time.
Q4. What output type does this model use?
This model uses a totem-pole output.
Q5. Is this encoder suitable for high-speed rotation?
Yes. It supports up to 5000 rpm when used within rated specifications.