Yokogawa AFV30D-A41251 Duplexed Field Control Unit

Overview

The Yokogawa AFV30D-A41251 is a Duplexed Field Control Unit (FCU) engineered for the CENTUM VP Integrated Production Control System. It acts as the core controller in the Field Control Station (FCS). With dual-redundant architecture, it ensures high availability, reliable control, and fail-safe operation in critical industrial environments. The unit integrates Vnet/IP communications, a robust power supply, and modular flexibility, making it ideal for process automation in sectors like oil, gas, chemicals, and power.

Technical Specifications

Processor & Memory

• Processor: VR5532, 350 MHz
• Memory: 128 MB RAM

Power & Battery

• Power Supply: Dual-redundant, 220–240 V AC
• Battery Backup: Up to 72 hours
• Recharge Time: Minimum 48 hours

Communication Interface

• Network: Dual-redundant Vnet/IP
• READY Output: 2 terminals (NC, C)

System Integration

• Node Units: Supports up to 13 per FCU
• I/O Modules: Accommodates up to 8 modules

Module Redundancy

• Processor Module: Dual-redundant
• Power Supply Module: Dual-redundant

Environmental Conditions

• Operating Temperature: -10°C to +55°C
• Storage Temperature: -40°C to +85°C

Mounting

• Type: 19-inch rack mounting
• Configuration Code:
  • A – Standard (for CP471)
  • 4 – Dual-redundant network and power
  • 1 – Fixed specification
  • 2 – 220–240 V AC input
  • 5 – No explosion protection
  • 1 – LFS1700 control function