Product Details
Product Overview
The Schneider Electric 140CPU11303 acts as the central processing brain for the Modicon Quantum automation platform. Built on the 80186 processor architecture running at 20 MHz, this CPU handles complex logic execution and coordinates high-speed I/O communication across local and remote networks. It supports 368 kB of internal RAM and integrates seamlessly with Concept and ProWORX 32 programming environments. We supply this processor as 100% brand new original equipment, providing a definitive hardware solution for maintaining or expanding legacy Quantum control systems.
Technical Specifications
The 140CPU11303 delivers deterministic execution times and versatile networking options for distributed industrial architectures.
| Feature | Specification |
| Processor Name | 80186 |
| Clock Frequency | 20 MHz |
| Internal RAM | 368 kB |
| Instruction Execution | 0.3 to 1.4 ms per 1K LL984 instructions |
| Communication Ports | 1x Modbus Plus, 1x Modbus RS232 |
| I/O Capacity (Local) | 64 Inputs / 64 Outputs max |
| I/O Capacity (Remote) | 64 Inputs / 64 Outputs |
| Distributed Drops | 63 drops across 3 networks |
| Remote Drops | 31 drops across 2 networks |
| Battery Life | 10 years (1.2 AH Lithium) |
| Bus Current Requirement | 790 mA |
Engineering Advantages
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Optimized Logic Processing: The 80186 processor executes 1K instructions in as little as 0.3 ms. This rapid processing power enables precise control over high-speed industrial machinery, reducing cycle times and improving throughput.
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Dual Networking Versatility: This CPU integrates one Modbus Plus port and one Modbus RS232 port directly on the front panel. This dual-interface design allows for simultaneous high-level peer-to-peer networking and local HMI or programming tool connectivity without additional hardware.
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Extensive Remote I/O Reach: The 140CPU11303 manages up to 31 remote drops and 63 distributed drops. This expansive network capability allows engineers to consolidate control for massive plant-wide systems into a single Quantum rack.
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Reliable Memory Retention: A high-capacity 1.2 AH Lithium battery maintains the internal RAM for up to 10 years. This ensures your critical application logic and registers remain intact during extended power outages or seasonal facility shutdowns.
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Software Continuity: Full compatibility with Concept and ProWORX 32 allows for the direct download of existing project files. This minimizes engineering labor and commissioning risks when replacing older Quantum hardware.
FAQs
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Does the 140CPU11303 require a separate mathematical coprocessor? No. This specific model operates without a mathematical coprocessor. It handles standard arithmetic and logic operations efficiently using the core 80186 instruction set.
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How do I replace the battery without losing my program? The CPU supports battery replacement while the power to the rack remains ON. Always verify the "Bat" status LED before and after replacement to ensure the new cell is seated correctly and providing the required voltage.
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Is this a direct replacement for older 140CPU113 series modules? The 140CPU11303 fits standard Quantum backplanes. However, always check your existing software version (Concept or ProWORX) to ensure it supports the specific "-03" hardware revision for correct I/O mapping.
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What is the condition of this unit? We guarantee this 140CPU11303 is 100% Brand New original Schneider Electric stock. It arrives in the original factory-sealed box, including the primary lithium battery and technical inserts.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Understanding Types of Noise in Electronic Circuits and Control Systems
Signal integrity directly determines measurement accuracy and loop stability across industrial automation environments. Electronic noise introduces unwanted stochastic interference into analog loops, sensor feedback lines, and digital fieldbus networks. Understanding how intrinsic electronic noise and external electromagnetic interference manifest allows control engineers to optimize signal conditioning and shield sensitive instrumentation effectively.
Why 24V DC Power Supplies Standardize Modern Industrial Automation
Industrial control cabinets worldwide rely on 24V DC as the universal power standard for field instrumentation, sensors, and controllers. Walk into any manufacturing plant, and you will find PLCs, human-machine interfaces (HMIs), and smart actuators running on extra-low voltage DC. Standardizing on 24V DC enhances operational safety, lowers cabinet footprint, and maintains steady control performance across factory networks.
Essential Motion Control Commands: A Practical Guide for Engineers
Automation engineers often rely on precise position and speed control to drive modern factory machinery. Modern industrial systems, such as Programmable Logic Controllers (PLCs) and Distributed Control Systems (DCS), depend heavily on standardized motion instructions. Mastering these commands ensures operational safety, protects mechanical components, and optimizes cycle times across production lines.