88 mm Incremental Rotary Encoders (Hollow Shaft Type) E88H Series

Product Overview

The E88H series incremental rotary encoders, featuring a Ø88 mm housing and a Ø30 mm hollow shaft, are designed to optimize performance in elevator systems. These encoders offer a resolution of 1024 pulses per revolution, supporting speeds of up to 3600 rpm and a response frequency of 150 kHz. The E88H series encoders are engineered for direct installation on the rotating shafts of elevator winding machines, eliminating the need for couplings, thus simplifying installation and maintenance.

Key Features

• Robust Housing and Shaft Design: The encoder is equipped with a durable Ø88 mm housing and a Ø30 mm hollow shaft, ideal for heavy-duty applications like elevator systems.
• High Resolution and Speed: With a resolution of 1024 pulses per revolution, the encoder supports operational speeds of up to 3600 rpm, ensuring accurate and reliable performance.
• Direct Installation: Designed for direct installation on rotating shafts without the need for additional couplings, simplifying setup and reducing potential points of failure.
• Flexible Power Supply Options: Available in both 5 VDC ± 5% and 12-24 VDC ± 5%, providing versatility to match different system requirements.
• Advanced Output Options: Supports both complementary and line driver output types, catering to diverse application needs.
• Vibration and Shock Resistant: Engineered to withstand vibrations up to 1 mm double amplitude at frequencies of 10 to 55 Hz and shocks up to 100 G, ensuring durability in demanding environments.
• Wide Ambient Temperature Range: Operates effectively in temperatures ranging from -10 to 70 ℃, with storage capabilities from -25 to 85 ℃, suitable for various installation environments.
• High Protection Rating: Rated at IP50, offering protection against dust ingress, ensuring reliable performance in industrial settings.

Technical Specifications

• Power Supply Options: Available in 5 VDC ± 5% and 12-24 VDC ± 5% versions.
• Current Consumption: ≤ 60 mA (no load) for the 15 VDC version, and ≤ 50 mA (no load) for the 5 VDC version.
• Insulation Resistance: ≥ 100 MΩ between all terminals and the case (measured at 500 VDC).
• Dielectric Strength: 750 VAC for 1 minute between all terminals and the case.
• Response Frequency: Maximum response frequency of 150 kHz.
• Max Allowable Revolution: Supports speeds of up to 3600 rpm.
• Starting Torque: ≤ 0.06 Nm, ensuring smooth startup.
• Shaft Load: Can handle a radial load of ≤ 5 kgf and a thrust load of ≤ 2.5 kgf.
• Weight: Approximately 1.45 kg.

Product Components

Each E88H series encoder comes with the following components:

• The encoder unit, including a mounting bracket.
• An instruction manual for safe and effective usage.
• A set of four bolts required for installation.

Installation and Connection

The E88H series encoders are designed for ease of installation, featuring a radial cable connection type with an 8-meter shielded cable, ensuring flexibility and convenience during installation. The cable comes in different wire configurations based on the output type, providing compatibility with a variety of systems.

Ordering Information

To order the E88H series encoders, use the following model number format: E88H30-1024-❶-❷-❸, where:

• ❶ Output Phase: 2 for A, B; 6 for A, A, B, B, Z, Z.
• ❷ Control Output: No mark for complementary output, L for line driver output.
• ❸ Power Supply: 5 for 5 VDC, 15 for 15 VDC.

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