Schneider 140CPU53414 PLC Main Controller 4MB SRAM
Manufacturer: Schneider
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Part Number: 140CPU53414
Condition：New with Original Package
Product Type: Programmable Logic Controllers
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Country of Origin: France
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Overview
The 140CPU53414 stands as a cornerstone of the Modicon Quantum series, delivering the computational power required for high-speed process control and manufacturing automation. This module utilizes an 80486-class processor equipped with an arithmetic coprocessor to handle floating-point calculations and complex algorithms with high precision. It manages up to 8,000 local and remote I/O points, making it an ideal choice for expansive infrastructure projects, power utilities, and chemical processing plants. Every unit we supply is 100% Brand New and arrives in original factory packaging to guarantee peak performance and longevity.
Technical Specifications
| Parameter | Technical Detail |
| Processor Architecture | 80486/586-class with Arithmetic Coprocessor |
| Clock Speed | 100–200 MHz (version dependent) |
| User Memory | 3 MB RAM + 4 MB SRAM (Program/Data) |
| Logic Execution Time | 0.1 to 0.5 ms (LL984) |
| Maximum I/O Capacity | 8,000 Total Points (Local, Remote, Distributed) |
| Communication Ports | Modbus Plus (MB+), Service Port |
| Distributed I/O Support | Up to 64 drops across 31 branches |
| Bus Current Demand | 1250 mA |
| Operating Environment | 0°C to +60°C; Up to 95% Humidity |
| Certifications | UL 508, CSA, CE, FM Class I Div 2 |
Engineering Advantages
The 140CPU53414 addresses critical industrial pain points through its robust hardware design and flexible software compatibility.
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System Integrity: Integrated diagnostics and a front-panel LED array provide immediate visibility into CPU health and network status, significantly reducing troubleshooting time.
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Data Security: The module features a dedicated lithium battery (1.2 Ah) that retains user programs and critical data for up to 10 years, preventing logic loss during extended power outages.
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Seamless Integration: This CPU supports multiple legacy and modern programming environments, including Concept, ProWORX 32, and Unity Pro. This allows engineers to maintain existing codebases while leveraging advanced functions in newer software versions.
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Hardware Resilience: The hot-swappable design enables maintenance teams to replace modules without powering down the entire chassis, ensuring continuous uptime for mission-critical processes.
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Superior Processing: The inclusion of an arithmetic coprocessor allows the module to execute math-intensive control loops—such as PID and motion profiles—without taxing the main logic execution cycle.
FAQs
Is the 140CPU53414 compatible with existing Modicon Quantum backplanes?
Yes, this processor fits into any standard Modicon Quantum rack. However, engineers must verify that the existing power supply module can meet the 1250 mA bus current demand required by this high-performance CPU.
How does this module handle program retention during power failure?
The unit utilizes a 1.2 Ah lithium battery to back up the 4 MB SRAM. This ensures that your application logic and register data remain intact during power loss. We recommend replacing the battery every 10 years as part of a preventative maintenance schedule.
Can I migrate from an older Quantum CPU to the 140CPU53414?
This module serves as a powerful upgrade for legacy Quantum controllers. While it supports older software like Concept, migrating to Unity Pro (EcoStruxure Control Expert) unlocks the full memory and diagnostic capabilities of the 140CPU53414 hardware.
Does this unit support Ethernet connectivity?
The 140CPU53414 features integrated Modbus Plus. For Ethernet/IP or Modbus TCP/IP communication, you must pair this CPU with a 140NOE series Ethernet communication module within the same Quantum chassis.