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Produit

Yokogawa ANB10D-425/CU2N ESB Bus Node Unit

ANB10D-425/CU2N

The Yokogawa ANB10D-425/CU2N is a dual-redundant ESB bus node unit designed to interface field I/O signals with Field Control Units in CENTUM VP automation systems. Operating on a 220-240V AC dual-redundant power supply, it securely communicates analog and contact signals while housing up to 8 I/O modules on a standard 19-inch rack.

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Yokogawa ANB10D-425/CU2N dual-redundant ESB bus node unit

Robust System Integration for Industrial Distributed Control

In complex process control environments such as oil refineries, chemical plants, and power generation facilities, reliable communication between field instrumentation and control processors is critical. The Yokogawa ANB10D-425/CU2N ESB Bus Node Unit serves as a core hardware interface within the Yokogawa CENTUM VP distributed control system (DCS) architecture. Engineered for high reliability, this node unit acts as a secure bridge that links analog and digital contact I/O signals from the field directly to the Field Control Unit (FCU) via a high-speed copper-based Enhanced Safety Bus (ESB).

Dual-Redundant Architecture and Power Stability

To eliminate single points of failure in mission-critical industrial loops, the ANB10D-425/CU2N model features a robust dual-redundant power supply configuration designed for 220-240V AC input voltages. By accommodating redundant power modules and dual communication interface slave modules, the unit maintains continuous operation even during power fluctuations or module maintenance. The standard 19-inch rack-mounted chassis houses up to 8 I/O modules, providing a compact, highly organized footprint for marshaling cabinets and remote instrument enclosures.

Seamless Communication and Diagnostics

The unit utilizes specialized ESB bus connector units (/CU2N option) to ensure secure physical connections and real-time data transmission integrity over distances up to 100 meters. Integrated diagnostic functions and status indicators allow maintenance personnel to monitor power status, communication health, and module performance continuously, minimizing unexpected downtime and ensuring maximum plant availability.

Applications

  • Distributed Control Systems (DCS): Core node integration within Yokogawa CENTUM VP and ProSafe-RS control networks.

  • Oil & Gas Refineries: Centralized data acquisition and control signal routing for upstream and downstream processing units.

  • Chemical & Petrochemical Plants: Remote I/O communication handling in continuous reaction and distillation loops.

  • Power Generation Facilities: Boiler control, turbine monitoring, and auxiliary utility automation skids.

  • Water & Wastewater Treatment: High-availability signal processing for municipal and industrial treatment plants.

Technical Specifications

  • Manufacturer: Yokogawa

  • Product Model: ANB10D-425/CU2N

  • Product Type: ESB Bus Node Unit

  • Power Supply Voltage: 220 – 240 V AC (Dual-redundant configuration)

  • Power Supply Type: -4 (Dual-redundant power supply)

  • Explosion Protection: Basic type with no explosion protection (-5)

  • Option Code: /CU2N (Connector Unit for ESB Bus)

  • Supported I/O Modules: Maximum 8 I/O modules per node unit

  • Communication Bus: Copper-based ESB bus interface (SB401 modules)

  • Mounting Design: Standard 19-inch rack mounting

  • Weight: Approximately 10 kg (including base I/O modules)

Yokogawa ANB10D-425/CU2N ESB Bus Node Unit

FAQ

Q1: What is the primary function of the Yokogawa ANB10D-425/CU2N? A: The ANB10D-425/CU2N functions as a node unit that interfaces field I/O signals with the Field Control Unit (FCU) via a dual-redundant ESB bus in Yokogawa control systems.

Q2: What power supply voltage does this specific model require? A: This model utilizes a dual-redundant 220-240V AC power supply configuration based on its -4 and 2 suffix code specifications.

Q3: How many I/O modules can be installed in a single ANB10D node unit chassis? A: The chassis is designed to support a maximum of 8 standard I/O modules alongside redundant power supply and bus interface modules.

Q4: How can I request pricing and lead time information? A: Simply submit your required part number, project quantity, and delivery destination through our inquiry form to receive a prompt, competitive quotation.

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