Product details
Product Summary
- Schneider Electric Modicon Quantum CPU.
- Powerful 486 processor for control tasks.
- Works with local and remote I/O.
- Two built-in Modbus Plus network ports.
- Robust solution for factory automation.
Technical Specifications
- Core Processing:
- Part Number: 140CPU42402C
- Processor Type: 486 CPU.
- Memory: 2 MB of RAM.
- Built-in Flash Memory: Yes.
- Logic Speed: ~0.3 µs per Boolean instruction.
- Communications:
- Ports: 2 x Modbus Plus (MB+).
- Supported Protocols: Modbus, Modbus Plus.
- Programming Standard: IEC 61131-3.
- Power & Design:
- Supply Voltage: 5V DC from rack.
- Protection: Conformal Coated (CC).
- Watchdog Timer: Integrated for safety.
- Mounting: Standard Quantum rack.
- Environmental:
- Operating Temperature: 0°C to 60°C.
- Suitable for industrial control panels.
Key Features & Benefits
- Fast processing for complex logic programs.
- Dual network ports for easy daisy-chaining.
- Manages large I/O counts across distances.
- Coating protects against dust and humidity.
- Program with familiar Unity Pro software.
Package & Support Details
- One 140CPU42402C CPU module.
- Documentation included.
- Backed by a 12-month warranty.
- Express shipping via FedEx, UPS, DHL.
- Author: Powergear X Automation
Frequently Asked Questions
What programming software does it use?
Use Schneider Electric’s Unity Pro or Concept software for programming and configuration.
Can it connect to Ethernet networks?
No. This CPU has Modbus Plus ports only. For Ethernet, you need a separate communication module.
How many I/O points can it handle?
It supports a large number. The exact limit depends on your specific rack and module configuration.
What is the purpose of the conformal coating?
The coating protects the electronics from corrosive atmospheres, like moisture or chemical vapors.
What is a typical project setup mistake?
Not terminating the Modbus Plus network correctly. Always use a terminator at each end of the network cable.
Is This The Right CPU For You?
- You are building or repairing a Modicon Quantum system.
- Your factory uses Modbus Plus for machine networking.
- You need a reliable, mid-range processor for control.
- Your environment may have dust or humidity.
- You want to use standard IEC 61131-3 programming.
Need help? Contact: sales@powergearx.com or WhatsApp +86 18030005825.
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Jason Miller –
We ordered the Schneider Electric 140CPU42402C Modicon Quantum CPU Module for a production line upgrade and couldn’t be happier. The unit arrived brand new ahead of schedule, securely packaged, and fully functional right out of the box. Customer service guided us through the configuration and wiring with clear, professional support. After installation, the CPU stabilized our PLC system and communicated seamlessly with our remote I/O network — our uptime has improved noticeably. Fast shipping and expert help made this purchase stress-free. Highly recommend this product and the team behind it!
Emily Johnson –
This Schneider Electric 140CPU42402C is exactly what we needed to replace an aging PLC controller in our water treatment facility. It shipped super fast and arrived in brand-new condition. The support team walked us through setup and best practices, which was invaluable for our integrators. In operation, the CPU handles logic smoothly and keeps communication with Modbus Plus devices rock solid. Professional service and quick fulfillment made the whole experience great.
Brandon Lee –
Received the Modicon Quantum 140CPU42402C CPU module within days of ordering — brand new and ready to install. Our packaging plant PLC was down, and this CPU had us back online quickly. The support team helped configure Unity Pro parameters and troubleshoot remote I/O. In our real application controlling conveyor logic and safety interlocks, the performance has been rock solid. Professional service from order to application.
Sarah Thompson –
We just upgraded to the Schneider 140CPU42402C CPU Module for our automotive assembly line. The product was brand new, shipped fast, and arrived with clear documentation. Customer service was very professional, answering all questions about programming and communication ports. Installation went smoothly, and the CPU integrated perfectly with our existing I/O racks. Real results: improved processing speed and system responsiveness. Great experience overall!
Kevin Ramirez –
Excellent purchase! The Schneider Electric 140CPU42402C arrived quickly and was exactly as described — new and sealed. We deployed it in our food-processing control system where reliable PLC performance is critical. Their support team provided detailed setup tips and helped us optimize the Modbus Plus network. Since install, scan times are stable and our automation runs more reliably. Great service, quick delivery, and quality product.