Toshiba CPUX01-01

Model Series

Technical Specifications

• Compatible Control Platform: TOSMAP Turbine Generator DCS Control System
• Form Factor: 6U Eurocard rack plug-in module
• Processor Architecture: Industrial embedded multi-core real-time processor
• Onboard Memory: Factory-calibrated matched DDR industrial RAM and Flash program storage
• Backplane Bus: Toshiba proprietary TOSMAP internal control rack parallel bus
• Front Panel Interfaces: 1 × Gigabit Ethernet RJ45, RS-485 isolated serial port, hardware status LED array
• Power Input: ±15 V DC / +5 V DC from rack backplane dual-rail power supply
• Maximum Supported Control I/O Points: 2048 combined analog/digital process control points
• Operating Temperature Range: 0 °C to +60 °C

Performance Parameters

• Control Loop Execution Cycle: 10 ms deterministic fixed-cycle closed-loop control refresh rate
• Analog Calculation Precision: 32-bit floating-point arithmetic for turbine PID regulation algorithms
• Communication Cycle Latency: < 3 ms rack-wide I/O data refresh
• Ethernet Data Transfer Rate: 100 Mbps full-duplex for plant SCADA data upload
• Fault Diagnosis Response Time: < 5 ms internal bus communication error detection
• Shock Resistance: 2.0 Grms operating vibration tolerance

Material Composition

• Front Panel: Powder-coated aluminum alloy 6U rack panel with translucent LED indicator windows
• PCB Substrate: High-Tg FR-4 industrial multi-layer PCB with conformal anti-humidity coating
• Core Electronic Components: Industrial wide-temperature processor, automotive-grade memory chips, isolated communication transceivers
• Connectors: Gold-plated proprietary Toshiba rack backplane edge connectors, shielded RJ45 Ethernet port
• Heat Dissipation: Low-profile bonded aluminum passive heat sink for processor thermal management
• Mechanical Hardware: Galvanized steel rack locking ejector lever and mounting fasteners

Structural Features

• Standard 6U Eurocard rack-mount form factor matching all TOSMAP system backplane slot dimensions
• Conformal coated PCB circuit board to resist power plant cabinet humidity, dust and mild chemical vapor
• Dual isolated communication circuits (Ethernet + RS-485) separated from main control power domain to eliminate ground loop noise
• Front panel multi-color LED indicators for power status, program run, hardware fault, network link and interlock alarm states
• Proprietary internal rack bus supporting synchronized data exchange with analog input, analog output and digital I/O daughter boards
• Onboard non-volatile Flash storage retains turbine control logic programs, setpoint parameters and historical fault trip logs during complete power loss

Working Principle

1. Draws dual-rail ±15 V / +5 V DC stabilized power supply from TOSMAP rack backplane; multi-stage power regulation circuits supply isolated power to control logic and communication peripherals.
2. Communicates via proprietary high-speed internal rack bus with all installed TOSMAP I/O modules to collect turbine speed, temperature, pressure, generator voltage and current analog measurement signals, plus digital interlock contact status signals.
3. Executes fixed-cycle 10 ms real-time closed-loop control algorithms including turbine speed PID regulation, generator excitation current control, valve position feedback adjustment and equipment safety interlock logic.
4. Compares real-time process operating parameters against configured safety limit thresholds; triggers digital output interlock signals and records timestamped fault trip logs to onboard Flash memory on threshold violation.
5. Transmits real-time turbine operating data, alarm status and historical trend snapshots to plant central SCADA and HMI workstations via front panel Gigabit Ethernet port.
6. Supports offline program upload, control logic modification and firmware upgrade via isolated RS-485 serial port using Toshiba dedicated TOSMAP engineering configuration software.

Core Function Features

1. Deterministic 10 ms fixed-cycle turbine generator closed-loop control algorithm execution
2. Full rack-wide analog/digital I/O signal data aggregation and synchronized processing
3. Multi-stage safety interlock logic for turbine overspeed, over-temperature and generator over-current protection
4. Dual redundant communication interfaces for primary/backup plant SCADA data transmission
5. Permanent non-volatile storage of control logic programs, operating setpoints and equipment fault trip event logs
6. Front panel LED status visualization for rapid on-site power plant maintenance fault diagnosis
7. Full interoperability with all TOSMAP series analog input, analog output, digital I/O and pulse counting expansion modules

Advantage Highlights

1. Purpose-built for turbine generator control with optimized floating-point arithmetic for high-precision speed & excitation regulation
2. Conformal coated PCB construction delivers reliable long-term operation inside high-humidity power plant control cabinets
3. Deterministic fixed control cycle eliminates variable loop latency critical for high-speed rotating machinery safety protection
4. Dual isolated communication ports enable redundant SCADA network architecture to avoid single-point communication failure
5. Native full compatibility with complete TOSMAP control system hardware ecosystem without third-party gateway conversion
6. Permanent onboard fault log storage eliminates external data recorder hardware for turbine trip root-cause analysis

Applicable Industries

Installation Requirements

1. Install into dedicated primary CPU slot position on TOSMAP 6U rack backplane; secondary redundant CPU module occupies adjacent backup slot
2. Maintain minimum 12 mm vertical clearance above module passive heat sink for cabinet natural air circulation
3. Torque front panel rack locking screw to 0.9 N·m to ensure full mechanical grounding with rack metal frame
4. Separate Ethernet communication wiring from high-voltage AC power cables with minimum 20 cm isolation distance to suppress EMI interference
5. Verify rack backplane dual-rail ±15 V / +5 V DC power supply output within factory specified tolerance range before module power-up
6. Restrict RS-485 serial port wiring exclusively to isolated engineering laptop connection during configuration & firmware upgrade procedures

Operation & Maintenance Precautions

1. Mandatory ESD wrist strap use during all module extraction, insertion and wiring modification operations
2. Do not permit cabinet ambient temperature to exceed +60 °C continuous operating limit to prevent control loop timing drift
3. Inspect PCB conformal coating integrity annually; re-coat if cracking or peeling is observed in high-humidity plant environments
4. Create full backup of turbine control program and parameter setpoints to external storage before executing any CPU firmware upgrade
5. Avoid hot-swap of primary CPU module during active turbine generating operation; switch to redundant backup CPU prior to removal
6. Only utilize Toshiba factory original spare CPUX01-01 modules for replacement to maintain full TOSMAP system certification compliance
7. Perform quarterly control loop calibration verification via Toshiba TOSMAP engineering software diagnostic tools