Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |

The Schneider Electric 140CPU43412O is a highly capable and versatile programmable logic controller (PLC) designed for industrial automation applications. Part of the Modicon M340 series, this model offers superior processing power and memory capabilities, enabling it to manage complex operations and high-volume data processing efficiently. The 140CPU43412O features a 32-bit processor and is designed to work seamlessly with various industrial communication networks, including Modbus TCP, Modbus RTU, and CANopen.
This PLC is engineered for both small and large-scale applications, making it ideal for manufacturing automation, energy control, water treatment, building management, and other industrial uses. It comes with a modular design that allows for scalability and customization according to the specific needs of the automation system, with the ability to add I/O modules and communication cards to expand the system as required.
The 140CPU43412O delivers high-performance control in demanding environments, making it a reliable choice for industries that require robust and flexible PLC solutions.
The 140CPU43412O is versatile enough to be used across a variety of industries where precise control, reliability, and flexibility are essential. Below are some typical applications:
Industrial Manufacturing: In manufacturing environments, this PLC can control robotic systems, conveyor belts, assembly lines, and machinery, ensuring optimized production processes, reduced downtime, and increased efficiency.
Energy Management: The 140CPU43412O is ideal for energy monitoring and control systems. It enables the real-time collection of data and the management of energy resources across industrial operations, helping optimize power usage and reduce costs.
Water and Wastewater Treatment: The PLC is used in water treatment plants for automating key processes such as filtration, chemical dosing, and pumping systems, ensuring efficient and consistent water treatment.
Building Automation: The 140CPU43412O is used to manage various aspects of building automation, including HVAC systems, lighting, fire safety, and security, ensuring energy efficiency and providing a high level of operational control.
Transportation Systems: This PLC is used in controlling and automating traffic systems, toll booths, and infrastructure projects, where real-time data processing and efficient operation are critical.
High Processing Speed: The 140CPU43412O features a powerful 32-bit processor that delivers fast processing speeds, allowing for efficient real-time control in industrial applications.
Extensive I/O Capacity: This PLC supports a high number of I/O points, which allows it to handle complex control operations and monitor multiple devices simultaneously.
Flexible Communication Options: With support for Modbus TCP, Modbus RTU, and CANopen, the 140CPU43412O provides excellent connectivity options, enabling seamless integration into existing automation systems and communication networks.
Modular and Scalable Design: The 140CPU43412O is part of a modular system, which allows users to add additional I/O modules, communication cards, and other components as their system requirements grow.
Reliable in Harsh Environments: This PLC is built to withstand tough industrial conditions, ensuring stable operation even in environments with fluctuating temperatures or high electrical noise.
Compact and Efficient: Despite its powerful features, the 140CPU43412O is compact and space-efficient, making it suitable for applications with limited space in control cabinets.
Brand: Schneider Electric
Series: Modicon M340
| Parameter | Specification |
|---|---|
| Model | 140CPU43412O |
| Processor Type | 32-bit CPU |
| CPU Memory | 1 MB of user memory |
| I/O Capacity | Supports up to 4096 I/O points |
| Communication Ports | Ethernet, Modbus TCP, Modbus RTU, CANopen |
| Voltage Supply | 24 V DC (nominal) |
| Mounting | DIN Rail mounted |
| Operating Temperature | -25°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Dimensions (L x W x H) | 110 mm x 90 mm x 75 mm |
| Weight | 0.45 kg |
| Communication Protocols | Modbus TCP, Modbus RTU, CANopen |
| Digital Inputs | 24 (voltage inputs) |
| Digital Outputs | 16 (relay outputs) |
| Analog Inputs | 4 (12-bit resolution) |
| Analog Outputs | 2 (12-bit resolution) |
| Model | Specification |
|---|---|
| 140CPU4321A | 32-bit processor, 512 KB memory, up to 2048 I/O, Ethernet support |
| 140CPU11302 | Compact design, 64 KB memory, 1024 I/O capacity |
| 140CPU31110 | Entry-level model, 256 KB memory, 128 I/O points |
| 140CPU11303 | 256 KB memory, 512 I/O points, modular design |
| 140CPU53414A | High-end model, 1 MB memory, supports advanced protocols |
| Model | Specification |
|---|---|
| Modicon M340 140CPU11303 | 256 KB memory, 512 I/O points, modular design |
| Modicon M221 12M2221 | 128 KB memory, compact design, Ethernet connectivity |
| Modicon M580 58050310 | 2 MB memory, Ethernet, high-speed processing |
| Modicon M241 14M2411 | 128 KB memory, cost-effective, 24 V DC power supply |
| Modicon M251 12M2511 | 128 KB memory, integrated I/O, compact design |
Q1: What is the power supply requirement for the 140CPU43412O?
A1: The 140CPU43412O requires a 24V DC power supply.
Q2: How much memory does the 140CPU43412O have?
A2: The 140CPU43412O comes with 1 MB of user memory, which is ideal for managing complex control tasks and data processing.
Q3: What is the I/O capacity of the 140CPU43412O?
A3: The 140CPU43412O can support up to 4096 I/O points, making it suitable for large-scale applications.
Q4: Can the 140CPU43412O be integrated with other systems?
A4: Yes, the 140CPU43412O supports Modbus TCP, Modbus RTU, and CANopen, enabling seamless integration with various devices and systems.
Q5: What is the operating temperature range of the 140CPU43412O?
A5: The 140CPU43412O can operate in temperatures ranging from -25°C to +60°C.
Q6: What is the weight of the 140CPU43412O?
A6: The 140CPU43412O weighs 0.45 kg.
Q7: Can the 140CPU43412O be expanded with additional I/O modules?
A7: Yes, the 140CPU43412O has a modular design and can be expanded with additional I/O modules and communication cards.
Q8: How is the 140CPU43412O mounted?
A8: The 140CPU43412O is designed for DIN rail mounting, which is commonly used in industrial applications.
Q9: What is the storage temperature range of the 140CPU43412O?
A9: The storage temperature range is from -40°C to +85°C.
Q10: How can I update the firmware on the 140CPU43412O?
A10: Firmware updates can be performed using Schneider Electric’s software tools for programming and configuration.