Product Description
The Yokogawa ANB10D-445/CU2T/NDEL is a high-reliability dual-redundant ESB bus node unit designed for Yokogawa CENTUM series DCS distributed control systems. As a core bus communication and power distribution integration unit in DCS control racks, it undertakes high-speed data interaction between field I/O modules and FCU field control units, unified power supply distribution and system signal scheduling tasks, ensuring stable data transmission and reliable operational coordination for large-scale industrial process control systems.

Adopting professional dual-redundant ESB bus architecture, this module supports dual-channel bus hot standby switching, completely eliminating single-point bus communication failure risks and significantly improving overall system operational availability. It integrates precise signal transceiver processing, stable power output protection and real-time bus status diagnosis functions, realizing synchronous transmission of field analog and digital I/O signals. Equipped with CU2T enhanced configuration and NDEL customized functional specifications, it features optimized bus anti-interference performance and extended operational adaptability. With industrial-grade EMC shielding, wide-temperature environmental tolerance and rugged modular design, it supports 24/7 long-term uninterrupted stable operation of critical petrochemical, power and process industrial DCS systems.
Main Specifications
- Full Part Number: ANB10D-445/CU2T/NDEL; Product Type: DCS dedicated dual redundant ESB bus node communication unit
- Applicable System: Yokogawa CENTUM CS3000 / VP series distributed control systems and field control rack platforms
- Core Function: ESB bus data transmission, field I/O signal scheduling, system power distribution, bus status monitoring and fault diagnosis
- Redundancy Design: Dual redundant ESB bus hot standby architecture with automatic fault switching for non-stop communication
- Bus Performance: High-speed stable ESB bus signal transmission to support large-capacity I/O data synchronous interaction
- Configuration Features: CU2T enhanced anti-interference configuration and NDEL customized functional extension specification
- Power Management: Integrated stable power distribution function for rear-end field I/O module power supply support
- Diagnostic Capability: Real-time bus operating status monitoring, communication anomaly and circuit fault self-diagnosis
- Structural Design: Standard rack-mounted modular structure for convenient installation, debugging and daily maintenance
- Reliability: Industrial certified rugged design for long-cycle continuous DCS system communication and power management tasks
Core Functions
- Act as the core bus communication and power distribution hub for Yokogawa CENTUM DCS control racks.
- Realize high-speed and reliable data interaction between FCU controllers and field I/O module groups.
- Adopt dual redundant bus switching to avoid system communication interruption caused by single bus failure.
- Provide stable and standardized power supply for downstream industrial I/O modules to ensure consistent operation.
- Execute real-time bus status diagnosis and fault early warning to support system stable operation and maintenance.
- Unify field signal scheduling to guarantee overall synchronization and stability of DCS process control loops.
Application Scenarios
- Petrochemical and natural gas industry large-scale DCS process control and bus communication systems
- Power plant thermal control, energy chemical and industrial automation control platform racks
- Metallurgy, pharmaceutical and new energy industry centralized process monitoring and control scenarios
- Replacement, upgrading and capacity expansion of aging Yokogawa ANB10D series bus node units
- Industrial DCS sites requiring dual redundant bus communication and high-stability system operation guarantee