Technical Overview

The NFCP050-SA5 (NFCP050-SA5) is a sophisticated central processing unit designed for Yokogawa’s STARDOM FCN-RTU (Field Control Node) autonomous controller series. Engineered for remote automation and advanced logic execution, this module integrates a high-speed 256 MHz SH-4A architecture with extensive memory resources. The NFCP050-SA5 (NFCP050-SA5) is optimized for applications requiring complex control algorithms, supporting IEC 61131-3 standardized programming and a Java Virtual Machine (VM) for flexible software deployment in decentralized industrial environments.

Detailed Technical Specifications

The following parameters detail the high-reliability computing capabilities of the NFCP050-SA5 (NFCP050-SA5):

• Processing Power: SH-4A (SH7730) Microprocessor @ 256 MHz.

• Memory Architecture: * Main Memory: 128 MB RAM with ECC (Error Correction Code).

• Static RAM: 1 MB ECC SRAM for critical data retention.

• Onboard Storage: 128 MB Flash Memory.

• Communication Interfaces:

• Ethernet: 10/100 Mbps port for network integration.

• Serial Ports: 3× RS-232, 1× RS-422/RS-485.

• Protocol Support: Native Modbus and open industrial protocols.

• Electrical Profile: * Supply Voltage: 5V DC ±5%.

• Power Consumption: Efficient 1.16 W to 2.30 W range.

• Environmental & Durability:

• Temperature Tolerance: -40°C to +70°C (Operational); -40°C to +85°C (Storage).

• Operating Altitude: Rated up to 3000 m.

• Vibration Resistance: 1G (58–150 Hz) / 0.15 mm P-P (5–58 Hz).

• Corrosion Protection: ANSI/ISA S71.04 Class G2 (standard); IP20 rated enclosure.

• Physical Footprint: 65.8 mm x 130 mm x 142.5 mm; Weight: 0.57 kg.

Advanced Control Capabilities

The NFCP050-SA5 (NFCP050-SA5) excels in autonomous operation for the energy, water, and utility sectors. Unlike traditional PLCs, this module combines the ruggedness of an RTU with the processing intelligence of a DCS controller. Its support for ECC memory ensures that bit-flips caused by cosmic rays or electrical noise do not crash the system, providing a "high-availability" foundation for mission-critical logic in unmanned remote sites.