Description
Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.
3. Key Technical Specifications
| Parameter | Value |
|---|---|
| Model | 140CPU31110 |
| Product Type | Unity Processor |
| Platform | Modicon Quantum |
| Clock Frequency | 66 MHz |
| Internal RAM | 548 kB |
| Integrated Communication | Modbus Plus |
| Local Racks Supported | 2 |
| Optional Modules | Up to 2 (Ethernet, Modbus, Modbus Plus, Profibus DP, etc.) |
| Status | Discontinued (commercialization ended 2018; end-of-service 2026) |
4. Product Introduction (Anti-Template)
The Schneider Electric 140CPU31110 is a Unity processor module for the Modicon Quantum automation platform. It runs at 66 MHz with 548 kB of internal RAM and includes an integrated Modbus Plus port.
The CPU supports two local I/O racks and a range of distributed and remote I/O configurations typical of mid-range Quantum systems. It executes Unity Pro / Control Expert applications with cyclic, fast, and interrupt task structures. The product was discontinued from commercialization at the end of 2018, with standard service support scheduled to end in 2026. Exact firmware version, memory configuration, and any installed option modules must be verified when replacing an existing unit. Migration paths toward the Modicon M580 platform are recommended by the manufacturer for long-term support.
140CPU31110
140CPU31110
140CPU31110
140CPU31110
5. QC, Procurement & Logistics SOP
- Inbound Verification – Confirm full model number (140CPU31110), firmware/revision labels, and connector condition. Photograph all labels.
- Functional Testing – Install in a compatible Quantum rack and verify power-up, key-switch operation, and basic communication (Modbus Plus). Full validation requires the application project.
- QA & Packaging – Protect the backplane connector and front ports, clean according to electronics handling practices, and pack in anti-static protective packaging.
- Global Logistics & Export Compliance – Classify under the correct HS code for PLC processors. Packaging must protect against electrostatic discharge; export documentation is prepared to minimize customs delays.
6. Technical Pitfalls & Integration Warnings
Discontinued Status – Commercialization ended in 2018 and standard service ends in 2026. Plan for migration if the system is critical.
Firmware and Project Compatibility – Confirm that the Unity Pro / Control Expert project version matches the CPU firmware.
Key Switch and Memory Protection – Observe the memory-protect and port-configuration switches; incorrect settings can prevent program download or communication.
Battery Backup – Ensure the rack battery is healthy so that the application and data are retained during power cycles.
7. Frequently Asked Questions (FAQ)
What is the realistic global lead time for a verified 140CPU31110?
As a discontinued Quantum CPU, availability depends on surplus and refurbished stock. Typical lead time after verification is 5–20 business days plus standard shipping.
What is the primary function of this module?
It is a Unity processor (CPU) for the Modicon Quantum PLC platform.
What is the processor speed and memory?
66 MHz with 548 kB internal RAM.
What communication is built in?
Modbus Plus.
Is the 140CPU31110 still in production?
No. It was discontinued in 2018. End of standard service is scheduled for 2026.
What is the recommended migration path?
Schneider recommends migration toward the Modicon M580 platform (example reference: BMEP581020).
What should be confirmed before ordering a replacement?
Exact model (140CPU31110), firmware version, project compatibility, and the long-term support strategy for the Quantum system.
