The ABB 3BHL000986P9000 COUPLING DEVICE (BENDER AGH520S B913033) is a specialized industrial interface component with the following key functions and applications:
1. Signal Coupling & Isolation
Provides galvanic isolation between control systems and field devices to prevent ground loops and electrical interference.
Converts and conditions analog/digital signals (e.g., 4–20 mA, Profibus) for reliable data transmission.
2. System Integration
Interfaces with ABB AC 800PEC and 800xA control systems for seamless integration into industrial automation networks.
Supports real-time communication via industrial protocols (e.g., PROFIBUS, Modbus) for synchronized control.
3. Key Features
Modular design: Compatible with ABB’s Advant/Compact 800xA platforms for flexible deployment.
Diagnostic LEDs: Enables quick fault detection (e.g., signal loss, power issues).
High noise immunity: Ensures stable operation in electrically noisy environments (e.g., motor drives, power plants).
4. Typical Applications
Power generation: Used in excitation systems (e.g., ABB Unitrol) for generator control.
Industrial automation: Deployed in steel mills, oil refineries, and mining for motor control and sensor interfacing.
Process control: Integrates with PLCs/DCS for safety-critical signal transmission.
Note: This device is part of ABB’s BENDER AGH520S series, designed for harsh industrial environments.
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