ABB 81EU01D-E General Purpose Input Module

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 1. Product Overview

The ABB 81EU01D‑E General Purpose Input Module is an industrial-grade universal input unit designed for ABB Distributed Control Systems (DCS) and PLC control cabinets. It collects various field input signals from sensors and switches, offering flexibility in handling voltage, current, and digital status inputs. The module is reliable, robust, and well‑suited for industrial automation data acquisition and monitoring.SAP LCMRO+1

2. Main Technical Parameters (Typical)

Input Channels and Signals

• Number of channels: Typically 16 input channels

• Supported signal types: Universal inputs including voltage, current, and discrete signals (configurable)

• Input voltage: 24 V DC logic level

• Max input current: Approx. ≤ 2 A per module (application dependent)

• Response time: Approx. 250 ms (system dependent)

Electrical & Environmental Characteristics

• Operating power supply: 24 V DC ±10%

• Operating temperature: ‑40°C to +70°C

• Relative humidity: 0–95% RH (non‑condensing)

• Rugged industrial design for harsh environments

• Typical accuracy: ±0.2% (depending on configuration)

Mechanical and Installation

• Mounting: DIN rail

• Compact, modular design for easy integration

System Compatibility

• Compatible with ABB automation systems and I/O racks

• Integrates with platforms such as 800xA, AC500, Advant (system dependent)SAP LCMRO

3. Advantages and Features

• Versatile signal support: Handles a range of field input types

• High reliability: Industrial design ensures stable long‑term performance

• Modular and compact design: Saves space and simplifies installation

• Strong compatibility: Works with ABB control systems for seamless integration

• Stable performance: Accurate and noise‑resilient data acquisition

4. Typical Applications

• Industrial automation control systems

• DCS I/O expansion modules

• PLC control cabinets and field signal acquisition

• Process industries (oil & gas, chemical, power, pharmaceutical)

• Machine status monitoring and sensor input

• Energy management and supervisory systems

5. Application Notes

• Ensure the input module matches the field signal type and specifications

• Power supply must be stable 24 V DC with proper grounding

• Disconnect power before installation or maintenance

• Secure DIN rail installation to avoid vibration issues

• Periodically verify terminal tightness and communication status

The structure and details of the product：

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