ABB YL787001-G Connection Unit

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1. Product Overview

The ABB YL787001-G is a high-performance connection unit used in industrial automation and control systems to link modules reliably. It connects processor modules, I/O modules, power modules, and interface modules efficiently, ensuring stable system operation. The YL787001-G features a modular design for easy installation, maintenance, and expansion, making it a key component in ABB DCS, PLC systems, and automation control panels.

2. Technical Specifications

Electrical Specifications

• Model: YL787001-G

• Operating Voltage: 24 V DC

• Power Consumption: ≤ 5 W

• Current Capacity: Up to 10 A

• Signal Type: Digital and analog signal transmission

• Isolation: Opto-isolated for interference protection

• Interface Type: Standard modular connection interface

• LED Status Indicators: Power, communication, fault

Environmental & Installation

• Operating Temperature: 0°C … +55°C

• Storage Temperature: –25°C … +70°C

• Protection Degree: IP20

• Mounting: DIN rail or module slot installation

• Dimensions (WxHxD): 90 mm × 125 mm × 120 mm

• Weight: Approx. 0.8 kg

Additional Features

• Modular design for quick replacement and expansion

• Compatible with ABB DCS, PLC, and automation modules

• Supports system monitoring and diagnostics

• Enhances reliability of industrial control system power and signal transmission

3. Advantages & Key Features

1. Reliable connections — Ensures stable power and signal transfer between modules.

2. Modular design — Allows quick installation, removal, and maintenance.

3. Optical isolation — Improves interference resistance and system safety.

4. Clear status indication — LED indicators for power, communication, and fault.

5. Industrial-grade reliability — Suitable for continuous operation in industrial environments.

6. Strong compatibility — Works with ABB DCS, PLC, and other automation modules.

4. Application Areas

• ABB Distributed Control Systems (DCS)

• PLC control systems and industrial automation equipment

• Automation control panels and modular equipment systems

• Industrial production lines and process control systems

• Power plants, chemical plants, and water treatment systems

• Industrial field signal and power connection integration

5. Precautions

1. Verify operating voltage and load meet module specifications before installation.

2. Install the module in a well-ventilated, dry control cabinet, avoiding dust, moisture, and high temperature.

3. Follow manuals and standards strictly for wiring and module insertion/removal.

4. Avoid prolonged overload operation to extend module lifespan.

5. Periodically check LED indicators and system status to ensure normal operation.

6. Disconnect power before installation or maintenance to ensure safety.

The structure and details of the product：

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