15 mm Incremental Rotary Encoders (Shaft Type) (Discontinued) E15S Series

Product Overview

The E15S series of incremental rotary encoders is designed to meet the demands of applications requiring a compact and lightweight solution. With a diameter of just 15 mm and a weight of only 14 grams, these encoders are ideal for installations where space is limited. The low shaft inertia ensures minimal impact on the rotation of connected equipment, making it a reliable choice for precise motion control. The E15S encoders offer a resolution of 36 pulses per revolution (P/R) and can handle a maximum revolution speed of up to 3000 rpm.

Key Features

• Ultra-Compact Design: The encoder features a small housing with a diameter of just 15 mm, allowing for easy installation in confined spaces.
• Lightweight Construction: Weighing only 14 grams, the encoder adds minimal load to the application, enhancing its versatility.
• Low Shaft Inertia: Designed to minimize the influence on the rotating components, ensuring high precision and reliability.
• High Resolution: Offers 36 pulses per revolution, enabling accurate position detection.
• Robust Power Supply: Operates at 5 VDC ± 5%, with a ripple P-P of ≤ 5%.
• Durable Build: Withstand harsh conditions with its IP50 protection rating and shock resistance of up to 50 G.

Dimensions and Installation

The E15S series encoders are meticulously designed for ease of installation, featuring:

• Shaft Size: A 3 mm diameter shaft.
• Mounting Compatibility: Accommodates various installations with precise dimension specifications, ensuring compatibility with a wide range of applications.
• Coupling Tolerances:
  • Parallel Misalignment: ≤ 0.15 mm
  • Angular Misalignment: ≤ 2°
  • End-play: ≤ 0.2 mm

Product Components

Each E15S encoder package includes:

• Encoder Unit: 1 unit
• Instruction Manual: Comprehensive guide for installation and operation.
• Bolts: 4 bolts for secure mounting.
• Coupling: 1 coupling to assist in installation.

Technical Specifications

The E15S series encoders are engineered with the following technical attributes:

• Control Output: NPN open collector output, suitable for various control systems.
• Output Phases: Dual phases (A, B) for accurate directional sensing.
• Current Inflow: ≤ 30 mA
• Residual Voltage: ≤ 0.4 VDC
• Response Speed: ≤ 1 µs for rapid signal processing.
• Max Response Frequency: Up to 10 kHz, supporting high-speed applications.
• Max Allowable Revolution: 3000 rpm, maintaining performance in demanding conditions.
• Starting Torque: ≤ 10 x 10^-4 Nm, ensuring smooth operation.

Environmental and Durability Features

• Vibration Resistance: Withstands vibrations of 1 mm double amplitude at frequencies of 10 to 55 Hz, across X, Y, and Z directions.
• Temperature Range: Operates effectively between -10 to 70 °C, with storage temperatures ranging from -20 to 80 °C.
• Humidity Tolerance: Suitable for environments with 35 to 85% RH, with a storage capacity of 35 to 90% RH.
• Protection Rating: Rated IP50, ensuring protection against dust ingress.
• Storage Humidity: 35 to 90% RH (no freezing or condensation)

Connection and Cable Specifications

The encoder features an axial wiring type with the following cable specifications:

• Cable Diameter: 3 mm
• Cable Length: 500 mm, providing flexibility for different installation needs.
• Wire Specification: AWG30, 7-core with flexible PVC insulation.

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