YOKOGAWA STARDOM FCN-RTU Autonomous Controller

Product core positioning

STARDOM FCN-RTU is a low-power autonomous controller of the FCN series under Yokogawa OpreX Control Safety System. It is positioned as a dedicated PLC/RTU for harsh environments and is designed for SCADA applications with insufficient infrastructure and harsh environments such as oil and gas fields, long-distance pipelines, and distributed utilities, ensuring stable operation of the system under hazardous conditions.

Core Performance and Reliability

Processing performance

CPU: NFCP050256MHz 32-bit RISC

Scanning cycle: 10ms (CPU), 50ms (analog control)

Execution speed: approximately 50 μ s/Ksteps (IL language)

Reliability Design

ECC error correcting memory, correcting single bit errors in RAM

Fanless cooling, high reliability chip layout

Power down protection file system, parameters are not lost in case of power failure

environmental adaptability

Parameter specifications

Working temperature -40 ℃~+70 ℃ (short base); -20 ℃~+70 ℃ (long base)

Suitable for altitudes up to 3000m

Protection options include G3 anti-corrosion coating and explosion-proof certification

Explosion proof standards ATEX Type n, IECEx Type n, FM/CSA Class I

Integration and communication capabilities

system integration

Unified operation interface with Yokogawa DCS HMI, centralized integration of alarms

Support OPC, DNP3, Modbus, seamless integration with third-party SCADA

Asset management+remote diagnosis, reducing on-site maintenance costs

communication interface

Ethernet: 1 × 100BASE-TX, supports TCP/IP

Serial port: 3 x RS232, 1 x RS422/485, up to 115kbps

Fieldbus: FF, HART, PROFIBUS-DP, CANopen, ISA100 wireless

Wide Area Communication

Compatible with narrow bandwidth networks such as GPRS, satellite, RF, PSTN, etc., supporting abnormal data reporting and saving communication costs.

Hardware configuration and expansion

Basic Module

Module type, model, key parameters

CPU module NFCP050 power consumption 1.16-2.30W, size 65.8 × 130 × 142.5mm

Short base NFBU050 DIN rail installation, width 283mm

Long base NFBU200 19 inch rack/DIN installation, up to 5 expansion slots

Power module NFPW426 10~30VDC wide voltage input, compatible with solar energy

Built in I/O (without expansion)

Analog quantity: 12 AI channels (1-5V), 2 AO channels (4-20mA)

Digital quantity: 16 DI, 8 DO (24VDC)

Pulse: 2-channel PI (0~10kHz), 1-channel battery monitoring AI (0~32V)

extension module

Analog I/O: 4~20mA/1~5V/-10~+10V, TC/mV, RTD, pulse input

Digital I/O: 32/64 channels 24VDC, 16 relay outputs (AC/DC universal)

Communication modules: FF, PROFIBUS-DP, CANopen

All support hot swapping, replacement does not require rewiring

Engineering and Programming

Programming standards

Fully supports five languages of IEC 61131-3: FBD, LD, ST, SFC, IL.

core tool

Logic Designer: Control logic development, supporting modular reuse and function block encryption

Resource Configurator: Logical I/O and hardware mapping, drag and drop configuration

Efficiency improvement

Engineering template+network template to reduce duplicate variable configuration

PC offline simulation, does not affect on-site processes

Software wiring, logic analyzer, simplified debugging

Application Function Library

NPAS Control Library

It includes over a hundred functional blocks, including AI/AO processing, PID regulation, batch control, ratio control, arithmetic operations, sequential logic, and more.

Specialized calculation

Supports gas flow algorithms such as AGA 3/7/8/9/10/11, in compliance with GPA2172 and API21.1 standards.

Data and alarms

Cycle/Batch/Snapshot/SOE Log, SOE Resolution 100ms

Daily/monthly/annual reports, supporting FTP upload and email attachment sending

CPU built-in web server, remote maintenance of browser

System scale

Single controller: up to 512 functional blocks, 128 adjustment blocks, 180k ladder logic steps

Network: A single FCN-RTU can connect up to 15 FCNs and 4 sets of upper level systems

SCADA: CI Server supports millions of I/O points, dual machine hot standby with zero downtime