Overview
The Yokogawa Electric Corporation ANB11D-225/BU2A is an ESB (Enhanced System Bus) node unit designed for distributed control system architectures. It provides a stable interface between field I/O modules and central controllers, ensuring high-speed, deterministic, and noise-resistant communication in industrial automation environments.
General Information
Part Number: ANB11D-225/BU2A
Manufacturer: Yokogawa Electric Corporation
Country of Origin: Japan
Type: ESB Bus Node Unit
System Compatibility: Yokogawa ESB / CENTUM series systems
Function: Distributed I/O node communication and system integration
Installation: Rack-mounted control system node unit
Communication Medium: ESB bus (fiber-optic supported architecture)
Power Specifications
Operating Power: Supplied via ESB system backplane
Power Consumption: Low-power industrial control module
Voltage Range: System-defined ESB power architecture
Protection: Industrial-grade electrical isolation and surge protection
Status Indicators: LED indicators for power, node status, and communication activity
Communication & Interface
Interface Type: ESB bus communication interface
Network Role: High-speed distributed node for I/O data exchange
Compatibility: ESB bus architecture in Yokogawa control systems
Data Handling: Real-time deterministic process communication
Diagnostics: Built-in system diagnostics and node status monitoring
Environmental
Operating Temperature: Industrial control room environment
Humidity: Up to 95% RH, non-condensing
Vibration Resistance: Suitable for rack-mounted installation
EMI Protection: High immunity due to fiber-optic ESB communication design
Dimensions & Weight
Dimensions (L × W × H): 482.6 × 221.5 × 205 mm
Weight: 10 kg
Built for high-reliability control—supporting stable performance in large-scale automation systems.