Yokogawa ANB10D-420 Dual-Redundant ESB Bus Node Unit

Input Voltage: 220 - 240 V AC.

Power Consumption: 200 VA (AC).

Power Supply Mode: Dual - redundant.

Communication：

Communication Interface: ESB bus.

Number of Connectable Nodes: Up to 64 per ESB segment.

Operating Environment:

Operating Temperature: - 20 °C to + 60 °C.

Storage Temperature: - 40 °C to + 85 °C.

Humidity Range: 10 % to 90 % RH (non - condensing).

Dual-Redundant ESB Bus Architecture: Designed with dual-redundant ESB bus connectivity, Yokogawa ANB10D-420 ensures uninterrupted communication in industrial automation systems by automatically switching to a backup bus during failures, enhancing system reliability in critical environments like oil refineries and power plants .

Modular Scalability: Acts as a node unit within Yokogawa’s distributed control systems (DCS), supporting up to 14 nodes (local and remote) for flexible expansion in complex automation setups. It integrates seamlessly with I/O modules and terminal boards for multi-device connectivity.

Industrial Protocol Compatibility: Facilitates communication between field devices (sensors, actuators) and control systems via ESB bus protocols, enabling real-time data exchange and integration with PLCs, SCADA, and other industrial networks .

Power Supply and Signal Handling: Yokogawa ANB10D-420 provides power to connected I/O modules (voltage/current specifics vary by configuration) and processes both analog and digital signals, ensuring stable operation in harsh environments with temperature ranges and humidity tolerance compliant with industrial standards.

Certified Compliance: Meets international certifications such as CE, CSA, and FMNI, ensuring safe operation in hazardous areas, including flammable or explosive atmospheres.

Pharmaceutical Cleanroom Automation: Integrates with Yokogawa’s DCS to regulate environmental parameters (e.g., temperature, humidity, air pressure) in sterile manufacturing facilities. The 19-inch rack-mountable design allows scalable I/O configurations for precise control of drug formulation and packaging lines.

Power Plant Safety and Grid Management: In thermal or nuclear power plants, this node unit interfaces with Field Control Units to monitor turbine parameters, steam pressure, and coolant flow. Yokogawa ANB10D-420 supports high-speed data transfer via ESB bus, enabling real-time adjustments to optimize fuel efficiency and comply with grid stability requirements .

Water Treatment Plant Redundancy: Deployed in municipal or industrial water facilities, the ANB10D-420 connects pumps, valves, and filtration systems via ESB protocols. Dual-redundant power supplies (100–240 V AC or 24 V DC) ensure continuous operation during voltage fluctuations, critical for maintaining water quality and regulatory compliance.

Hazardous Environment Monitoring: Yokogawa ANB10D-420 is used in chemical storage facilities or offshore platforms, the unit’s explosion-proof variants (certified to FMNI/Type n standards) monitor gas leaks and tank pressures. Its compatibility with HART and Profibus protocols enables integration with safety shutdown systems to prevent accidents.