Yokogawa NFCP502‑W05 STARDOM FCN CPU Module

NFCP502‑W05 is a high‑performance autonomous controller CPU module for Yokogawa STARDOM FCN‑500 field control node systems. Powered by Intel Atom E3815 processor, it executes real‑time control logic, handles loop regulation and I/O data processing for distributed process control. This core unit supports dual redundant configuration and works with Vnet/IP bus to communicate with CENTUM VP DCS host system.

Fan‑less natural cooling structure with ECC error‑correction memory enhances data reliability. It integrates multiple Gigabit Ethernet interfaces, supports hot‑swap peripheral I/O modules, and adopts conformal coated PCB for harsh industrial cabinet environments. It delivers stable distributed control performance for oil‑gas, chemical and power‑plant automation sites.

Main Specifications

• Brand: Yokogawa; Model: NFCP502‑W05; Series: STARDOM FCN‑500 Autonomous Controller
• Processor: Intel Atom E3815 1.46GHz industrial processor, ECC error correction memory
• Ethernet Interfaces: Four‑port 1000BASE‑T Gigabit Ethernet, compatible with Vnet/IP control network
• Redundancy Function: Supports dual CPU hot‑standby redundant configuration with bumpless switch‑over
• Cooling Mode: Fan‑less natural air cooling, no fan maintenance required
• Power Supply: 24VDC power input, powered via FCN rack backplane
• Installation: Standard FCN‑500 rack slot mounting, cabinet IP20 protection rating
• Operating Environment: 0℃ ~ +55℃ standard working temperature, ‑20℃~+70℃ extended range, 5%‑95% RH non‑condensing
• Diagnostic Design: Front‑panel multi‑LED indicators for running, fault, network and redundancy status
• Certifications: CE, UL, compliant with global process automation industry standards

Core Functions

• Execute user control programs, complete PID closed‑loop regulation, sequence logic and interlock protection for field process equipment.
• Realize high‑speed data interaction with local I/O modules and upper CENTUM VP DCS system through Vnet/IP industrial control network.
• Dual‑redundant CPU deployment realizes seamless master‑standby switch, avoiding production interruption caused by single CPU hardware failure.
• ECC memory mechanism detects and corrects internal data errors to improve long‑term stable operation of field control nodes.
• Full‑time self‑diagnosis monitors CPU operating status, memory, network and power supply, storing fault logs for maintenance analysis.
• Supports hot‑swap of peripheral I/O modules without shutting down the main controller, reducing plant maintenance downtime.

Application Scenarios

• CPU spare replacement for Yokogawa STARDOM FCN‑500 distributed control cabinets in oil‑gas refineries and offshore platforms.
• Field control node core unit for petrochemical process plants, chemical production lines and large‑scale power‑plant auxiliary control systems.
• Maintenance backup inventory for pipeline RTU stations, waste‑heat recovery and new‑energy distributed automation control cabinets.
• Matching CPU module paired with FCN‑500 rack, series I/O modules and Vnet/IP communication components.
• Retrofit replacement for aging distributed control systems suffering CPU crash, logic execution error and network communication abnormality.
• Global aftermarket spare supply for automation maintenance teams managing Yokogawa STARDOM and CENTUM VP control equipment worldwide.