Product Short Description

Product Introduction

This is the core central processing unit for Yokogawa STARDOM distributed DCS control system, S3 enhanced revision with upgraded safety firmware and ECC error correction memory architecture. It executes analog closed-loop control, sequential logic control, industrial bus communication and real-time data processing for process industries. It supports duplex redundant configuration to eliminate single-point system failure and adopts fanless passive cooling design for long-term unattended industrial operation
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Yokogawa NFCP100-S00 S3
Yokogawa NFCP100-S00 S3 - Image 2
Yokogawa NFCP100-S00 S3 - Image 3

Description

Core Technical Specifications & Performance Parameters

  1. Processor Core: MMX-Pentium 166MHz industrial embedded processor
  2. Memory Configuration
    • Main RAM: 128MB ECC protected random access memory
    • Static Backup RAM: 1MB ECC SRAM, powered by built-in lithium backup battery
    • Backup Battery: 2700mAh high-capacity lithium cell, retains data for minimum 12 months power-off
  3. Safety Certification: IEC 61508 SIL3 functional safety approval
  4. Redundancy Architecture: Internal 2oo3 three-out-of-two hardware voting circuit
  5. Communication Interfaces
    • Dual redundant 10/100BASE-TX Ethernet (Vnet/IP control network)
    • 1× RS232-C D-Sub 9pin serial debug port
    • Duplex SB local I/O expansion bus for field I/O module connection
  6. Supported Industrial Fieldbuses: FOUNDATION Fieldbus H1, HART, Modbus RTU/TCP
  7. Physical Dimensions: 76mm × 127mm × 127mm
  8. Net Weight: 0.7kg ~ 0.9kg
  9. Operating Ambient Range: -20℃ ~ +70℃, 5%~95% non-condensing relative humidity

Function & Feature Highlights

  1. Dual-redundant full-system support: CPU, power supply, SB local bus and control network all support hot duplex backup switching
  2. Complete RAS (Reliability, Availability, Serviceability) self-diagnosis functions: real-time temperature monitoring, CPU core self-test, I/O channel fault detection, watchdog timer hardware reset protection
  3. Full hot-swap capability: The module can be removed/replaced under live power without interrupting the whole control system operation
  4. Embedded InfoWell web server: Supports built-in HTML webpage display, FTP file transmission and automatic alarm email push without additional programming development
  5. Compatible with Yokogawa FAST/TOOLS SCADA platform and OPC UA/DA server for upper-level data interconnection
  6. Fanless passive heat dissipation design, zero mechanical moving parts to reduce failure rate and maintenance workload

Working Principle

The NFCP100-S00 S3 CPU acts as the master computing node of the FCN-100 field control station. It continuously receives analog 4-20mA, RTD, thermocouple and digital switching signals from connected I/O modules via the SB duplex local bus. The embedded industrial processor executes PID closed-loop regulation algorithms, batch sequential control logic and interlock protection programs stored in onboard memory. Process data is transmitted to upper monitoring stations through dual redundant Vnet/IP Ethernet. The 2oo3 hardware voting circuit cross-verifies all computing results in real time; any single computing channel fault will be isolated automatically without output error signals. The ECC memory circuit automatically detects and corrects single-bit data corruption caused by industrial electromagnetic interference.

Material Composition & Structural Features

  1. Housing Material: High-strength flame-retardant ABS industrial plastic shell, industrial blue standard color, UL94-V0 fire resistance rating
  2. Internal Circuit Board: Double-sided heavy copper industrial PCB with anti-corrosion gold-plated connector pins
  3. Mechanical Structure: Standard vertical pluggable rack module structure, built-in locking buckle to fix on system baseplate; front panel equipped with RESET button, multi-status LED indicator lamps (RUN, FAULT, LINK, POWER)
  4. Internal Components: Industrial-grade embedded CPU chipset, ECC memory chips, isolated Ethernet transformers, overvoltage/overcurrent protection fuses, lithium backup battery compartment with anti-reverse charging circuit

Installation Requirements

  1. Rack Installation: Install vertically on Yokogawa NFBU series baseplate rack, fully insert module connector into baseplate gold fingers and lock front buckle tightly to avoid poor contact under vibration
  2. Wiring Rules: Separate power wiring, field signal wiring and Ethernet communication wiring with minimum 10cm spacing to reduce crosstalk interference
  3. Environmental Installation Restrictions: Install in indoor electrical control cabinet only; avoid direct sunlight, water splash, corrosive gas and high dust accumulation; ambient temperature must stay within -20℃ ~ +70℃ during continuous operation
  4. Redundancy Installation: When configuring duplex redundant CPU system, install two identical NFCP100-S00 S3 modules on adjacent baseplate slots and connect both Ethernet ports to independent network switches

Application Scenarios

  1. Petrochemical refineries, natural gas processing plants, chemical synthesis process control systems
  2. Thermal power plants, nuclear auxiliary process control stations, waste-to-energy power generation
  3. Pharmaceutical fine chemical batch production lines, food & beverage continuous manufacturing process
  4. Water treatment plants, sewage purification stations, desalination industrial process monitoring
  5. Offshore oil & gas platform distributed control systems, mine flotation process automation

Operation & Maintenance Precautions

  1. Hot-swap operation must be performed by certified industrial automation technicians; confirm standby redundant CPU is fully synchronized before pulling out the faulty module
  2. Do not disassemble the module shell without authorization; internal lithium battery contains flammable electrolyte, improper disassembly may cause fire hazard
  3. Regularly check front panel LED status indicators; FAULT lamp steady-on indicates internal hardware fault, immediately isolate and replace spare module
  4. Avoid electrostatic discharge damage to circuit board; wear anti-static wristband before touching module internal components
  5. Do not operate the module beyond rated ambient temperature range; high temperature will accelerate lithium battery aging and reduce overall service life
  6. When performing firmware upgrade, ensure stable uninterruptible power supply; power interruption during firmware flashing will permanently damage the CPU module firmware

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