Yokogawa ANB11D-215/BU2A Optical ESB Bus Node Unit

Overview

The Yokogawa ANB11D-215/BU2A is an Optical ESB Bus Node Unit designed for CENTUM VP Distributed Control Systems (DCS). It enables dual-redundant communication between field devices and Field Control Units (FCUs), ensuring high system reliability and uptime. The unit supplies power to connected I/O modules. Additionally, it supports environmental monitoring through optional HKU interfaces. It mounts on a 19-inch rack and operates reliably in industrial environments.

Technical Specifications

• Model: ANB11D-215/BU2A
• Type: Optical ESB Bus Node Unit
• Communication Interface: Dual-redundant ESB bus
• Power Supply Options: 100–120 V AC / 220–240 V AC / 24 V DC
• Power Consumption: 120 W (200 VA @ 100–120 V AC)
• Power Consumption: 230 VA @ 220–240 V AC
• Power Consumption: 5.5 A @ 24 V DC
• Mounting Type: 19-inch rack mount (M5 × 4 screws)
• Weight: Approx. 10 kg (including 8 I/O modules)
• Operating Temperature: 0°C to 60°C
• Humidity Range: 5% to 95% RH (non-condensing)
• Connector Unit: /BU2A (ESB Bus connector)
• Environmental Monitoring: Optional HKU interface available
• System Compatibility: AFV30/AFV40 FCUs, CENTUM VP DCS
• Compliance Standards: CSA, CE, EMC, FM Non-Incendive, KC, C-Tick
• Power Supply Voltage: 100-120 V AC, 50/60 Hz
• I/O Module Support: Supplies power to I/O Modules
• Safety Standards: CSA (for 100-120 V AC and 24 V DC)
• Hazardous Location Standards: CSA Non-Incendive (for 100-120 V AC and 24 V DC)
• Suffix Code:
  • ANB11D: Optical ESB Bus Node Unit, Dual-Redundant
  • -2: Dual-redundant power supply for 5 km optical repeater
  • 1: 100-120 V AC power supply
  • 5: Basic type with no explosion protection
  • /BU2A: Connector unit with terminator for ESB Bus