Schneider TSXP57104M
The TSXP57104M is a Unity Processor from Schneider Electric, serving as the high-end PLC CPU in the TSX PREMIUM series. It can be configured in a 2-rack (12-slot) or 4-rack (4/6/8-slot) structure, powered by 5V DC with a rated current of approximately 850 mA. Engineered for the overall management of industrial automation sites, this processor features 8 dedicated application channels and supports PCMCIA memory expansion cards to enhance RAM capacity.
Key Technical Specifications
- Power Supply: 85‑264 VAC (internal power supply) or 18‑31.2 VDC (non-isolated) / 18‑62.4 VDC
- Power Consumption: 440 mA @ 5 V DC (non-isolated) or 850 mA @ 5 V DC
- Task Structure: 1 main task, 1 fast task, and up to 32 event tasks; fast task processing time: ~0.3 ms, main task processing time: ~1 ms
- Instruction Execution Time (without PCMCIA card): Boolean operations: 0.5 µs, Word/Fixed-point arithmetic: 0.62 µs; (with PCMCIA card): 0.6 µs and 0.87 µs respectively
- Instruction Throughput: Approximately 1.05 Kinst/ms (without card) or 0.85 Kinst/ms (with card)
- Memory: Internal RAM 32 Kwords (program + data), expandable via PCMCIA card
- Communication Interfaces: 2 × 8-pin mini-DIN (TER, AUX), supporting multiple fieldbuses including Ethernet, FIPIO, CANopen, and AS-Interface
- Environment: Operating temperature: 0 °C-70 °C, Storage temperature: –20 °C-85 °C, Protection class: IP20, Compliant with international standards such as IEC 61131-2 and IEC 61850
- Dimensions/Weight: Net weight: approx. 0.38 kg (5 lb)
Product Features
- High Processing Speed & Large Memory Capacity: Separated fast and main tasks with microsecond-level instruction execution, ideal for real-time control.
- Flexible Task Structure: Supports up to 32 event tasks, facilitating modular design of complex logic.
- Rich Communication Options: Built-in Ethernet, FIPIO, CANopen, AS-Interface, etc., meeting multi-protocol fieldbus requirements.
- Expandable Storage: RAM expansion via PCMCIA card for increased storage space of large-scale programs.
- Wide Power Supply Range: 85-264 VAC or 18-62.4 VDC, compatible with various power configurations.
- Compliance with Multiple International Safety & Environmental Standards: IEC 61131-2, IEC 61850, CSA, DNV GL, etc., suitable for global markets.
Structure & Composition
- CPU Unit (Unity Processor)
- Power Supply Module (internal or external power supply)
- Communication Interface Board (mini-DIN ports, Ethernet port)
- PCMCIA Expansion Slot (for memory cards)
- Indicators: RUN (green), I/O Fault (red), ERR Fault (red), TER Activity (yellow)
Typical Application Areas
- Discrete Manufacturing: Production lines requiring high-speed real-time control, such as CNC machine tools, automatic packaging lines, and assembly robots.
- Process Control: Monitoring and regulation of continuous production processes in chemical, food and beverage, pharmaceutical, and other industries.
- Energy Management: Power plants, distribution automation, wind/solar inverter control.
- Building & Facility Automation: Centralized management of HVAC, lighting, and security systems in large buildings.
- Transportation: Control centers for rail transit and port automation equipment.
Installation & Maintenance Guidelines
Pre-Installation Checks
- Verify that the power supply voltage complies with the range of 85-264 VAC or 18-62.4 VDC.
- Ensure the rack slot configuration (2-rack/12-slot or 4-rack/4-6-8-slot) matches the selected modules.
- Confirm consistency between communication interfaces (TER, AUX) and fieldbus wiring.
Mechanical Installation
- Insert the CPU unit into the corresponding rack slot and ensure the buckle is securely locked.
- Fix the rack with screws to prevent poor contact caused by vibration.
Electrical Wiring
- Connect programming/debugging terminals (TER) and peripherals (AUX) via mini-DIN ports.
- Insert a compliant PCMCIA card if memory expansion is required.
Software Configuration
- Use Schneider’s official Unity Pro or EcoStruxure control software for project downloading.
- Divide program blocks according to the task structure (main task, fast task, event task) and utilize event tasks for asynchronous responses.
Debugging & Verification
- Monitor system status via RUN, I/O, and ERR indicators.
- Perform online monitoring and diagnosis to check if instruction execution time and task cycles meet design requirements.
Routine Maintenance
- Regularly inspect power supplies and terminal blocks to prevent loosening or corrosion.
- Perform firmware upgrades every 12 months to obtain the latest security patches and functional optimizations.
- For PCMCIA card users, replace the card every 2 years to avoid storage errors due to aging.
Troubleshooting
- ERR Red Light On: Check if the CPU unit or power supply module is overheated or if there is abnormal power supply.
- I/O Red Light On: Inspect module slots or fieldbus connections.
- TER Yellow Light Flashing: Indicates programming/debugging terminal activity; confirm if there are unfinished online downloads.

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