Description

The TOSHIBA CPUX01G001 is a high-integrity central processing unit(CPU)module engineered for Toshiba’s TXP(Toshiba eXtended Platform)distributed control system,widely deployed in thermal,nuclear,and combined-cycle power plants worldwide.Serving as the computational and communication backbone of TXP controller racks,the CPUX01G001 executes real-time control logic for boiler-turbine coordination,fuel regulation,emissions control,and emergency shutdown sequences.Designed for 24/7 operation in harsh industrial environments,it features redundant configuration support,built-in diagnostics,and robust fieldbus connectivity—ensuring plant safety,efficiency,and compliance with international standards such as IEC 61508(SIL2)and IEEE nuclear guidelines.

Application Scenarios

At a 1,200 MW coal-fired power station in Japan,aging TXP controllers began experiencing intermittent scan overruns during soot-blowing cycles,risking boiler MFT(Master Fuel Trip).Root cause analysis pointed to CPU load saturation on legacy processors.The plant replaced the old CPUs with refurbished TOSHIBA CPUX01G001 modules—featuring faster clock speed and expanded memory.Post-upgrade,scan times dropped by 40%,and the system handled simultaneous turbine ramping,SCR ammonia injection,and ash handling without degradation.More critically,during a simulated feedwater pump failure,the CPUX01G001 executed the full trip sequence in<150 ms,well within NFPA 85 requirements.Over three years of operation,unplanned outages linked to control system faults fell to zero.This case demonstrates how the TOSHIBA CPUX01G001 revitalizes decades-old infrastructure with modern reliability.

Parameter

Main Parameters Value/Description

Product Model TOSHIBA CPUX01G001

Manufacturer Toshiba Energy Systems&Solutions Corporation

Product Category Central Processing Unit(CPU)Module for TXP DCS

Compatible System Toshiba TXP/TOSMAP Distributed Control System(X-Series Racks)

Processor Architecture Proprietary real-time RISC processor(32-bit)

Memory Onboard RAM and flash for program storage;supports application expansion

Redundancy Supports 1:1 hot-standby redundancy with automatic failover

Scan Cycle Time Typically<100 ms(application-dependent)

Communication Interfaces Dual Ethernet(for HMI/SCADA),RS-485(for I/O modules),proprietary TXP bus

I/O Handling Capacity Manages up to 2,000 I/O points per CPU(depending on module mix)

Diagnostic Features LED status indicators,self-test at boot,watchdog timer,error logging

Operating Temperature 0°C to+60°C

Mounting Vertical slot in TXP controller chassis(e.g.,CXU-type rack)

Certifications CE,UL,CSA,IEC 61508(SIL2 capable),IEEE 603(nuclear applications)

Power Supply+5 VDC,±12 VDC from backplane

Technical Principles and Innovative Values

Innovation Point 1:Deterministic Real-Time Execution

The TOSHIBA CPUX01G001 uses a time-sliced,priority-driven scheduler that guarantees critical safety loops(e.g.,turbine overspeed)execute before lower-priority tasks—ensuring deterministic response even under peak load.

In Innovation Point 2:Seamless Legacy Integration

Despite being a modernized CPU,the CPUX01G001 maintains full backward compatibility with older TXP I/O modules(e.g.,AI,DI,DO cards),allowing phased upgrades without rewiring or re-engineering.

Innovation Point 3:Embedded System Health Monitoring

The module continuously monitors its own temperature,voltage rails,and memory integrity,reporting anomalies to the TXP operator workstation—enabling predictive maintenance before failures occur.

Innovation Point 4:Cyber-Hardened Architecture

With no external USB or removable media ports,and protocol-limited network stacks,the CPUX01G001 minimizes attack surface—making it suitable for OT environments requiring NERC CIP or IEC 62443 alignment.

Application Cases and Industry Value

In a Southeast Asian LNG-to-power facility,two gas turbines controlled by TXP systems required life extension beyond original design life.The existing CPUs lacked memory for new NOx optimization algorithms.By installing TOSHIBA CPUX01G001 units,engineers deployed advanced combustion tuning logic that reduced emissions by 18%while maintaining flame stability.The enhanced processing also enabled integration with a third-party performance monitoring system via Modbus TCP over the CPU’s Ethernet port—without adding gateway hardware.Over five years,the plant avoided$12M in potential environmental penalties and deferred a full DCS replacement.The TOSHIBA CPUX01G001 thus delivered both regulatory compliance and capital savings.

Related Product Combination Solutions

TOSHIBA AIU01:Analog Input Module–commonly managed by CPUX01G001 in TXP racks.

TOSHIBA DIU01/DOU01:Digital I/O Modules–interface with field devices under CPU control.

TOSHIBA COMX01:Communication Module–extends CPUX01G001 connectivity to OPC or DNP3.

TOSHIBA PSU01:Power Supply Unit–provides regulated DC to CPU and I/O backplane.

GE IS210WSVOH1AE:Servo controller–often interfaced via discrete signals from TXP DO modules driven by CPUX01G001.

ABB AC 800M:Competing DCS–but CPUX01G001 remains preferred in Toshiba turbine OEM installations.

HIMA H51q:Safety PLC–can be triggered by TXP trip outputs generated by CPUX01G001 logic.

Wonderware System Platform:HMI/SCADA–integrates with TXP via Ethernet using Toshiba’s TOSCOM protocol.

Installation,Maintenance,and Full-Cycle Support

The TOSHIBA CPUX01G001 installs into a designated slot in a TXP controller chassis,secured with front-panel screws and connected via a high-density backplane.In redundant configurations,primary and standby units synchronize state continuously.Configuration and logic download are performed using Toshiba TOSMAP Engineering Tool,where control strategies,I/O assignments,and alarm settings are defined.

Maintenance includes periodic firmware updates(via secure service port)and health checks through the TXP diagnostic console.The module supports hot removal in redundant systems,minimizing downtime.Our company maintains a global inventory of tested TOSHIBA CPUX01G001 units,each verified for boot integrity,communication handshake,I/O scan accuracy,and redundancy switchover on live TXP test benches.We offer 12-month warranty,pinout diagrams,backup configuration support,and remote troubleshooting assistance.

Contact us for a customized solution—whether you’re performing a TXP system upgrade,securing long-term spares for an aging power plant,or integrating Toshiba controls with modern analytics platforms,the TOSHIBA CPUX01G001 delivers proven performance,safety,and longevity in the most demanding energy applications.

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