Yokogawa AFS40D-H4113 Field Control Unit

Product Description

The AFS40D-H4113 serves as a high-reliability processing hub within the Yokogawa CENTUM VP/CS 3000 integrated control systems. This Field Control Unit (FCU) is specifically engineered for critical industrial processes where downtime is not an option. By utilizing a dual-redundant (duplexed) architecture, the AFS40D-H4113 ensures continuous logic execution and I/O communication even in the event of a hardware component failure.

Operating on a VR5432 RISC processor architecture, the unit delivers stable real-time control for complex loops and sequence logic. The hardware is designed for rugged cabinet installation, featuring a compact form factor that maximizes space efficiency while maintaining high thermal tolerance for demanding environments.

Technical Specifications

• Processor: VR5432 64-bit RISC CPU clocked at 133 MHz

• Memory Capacity: 16 MB Main RAM (ECC protected for data integrity)

• Control Architecture: Duplexed (Synchronized redundant processing)

• Communication Bus: Vnet/IP or V-net (Token-bus interface supported)

• Input Voltage: 24V DC nominal (Accepts standard industrial power rails)

• Power Consumption: Optimized for low-heat dissipation (Approx. 20-30W depending on load)

• I/O Module Support: High-density compatibility with both Analog (4-20mA, HART) and Digital (DI/DO) modules

• Operating Temperature: -20°C to +60°C (Non-condensing)

• Physical Dimensions: 144 mm (H) x 100 mm (W) x 130 mm (D) — Note: Standardized depth for rack mounting

• Net Weight: 3.5 kg

Application Scenarios

The AFS40D-H4113 is primarily deployed in sectors requiring rigorous process safety and regulatory compliance. Common applications include:

• Oil & Gas refinery process control and safety instrumented functions.

• Chemical plant batch processing and continuous distillation monitoring.

• Power generation synchronization and auxiliary system management.

• Large-scale water treatment facility automation.