Product Overview: The Schneider Electric 140CPU43412A is a high-performance processor module from the Modicon Quantum series of programmable automation controllers. Designed for use in complex and dem
| Release time | Jan 13, 2026 |
| Manufacturer | Schneider PLC |
| Model | Schneider 140CPU43412A |
| Part Number | IN1312 |
| Condition | 100% New |
| Shipping Port | Xiamen, China |
| Lead Time | 1-3 Working Days |
| Certificate | COO |
| Courier partners | DHL, UPS, TNT, FedEx and EMS. |
| Warranty | 1 Years |
The Schneider Electric 140CPU43412A is a high-performance processor module from the Modicon Quantum series of programmable automation controllers. Designed for use in complex and demanding industrial environments, this module functions as the central processing unit (CPU) within a PLC system. It is specifically built for large-scale applications that require significant data processing power, high-speed communication, and system-wide integration across multiple control levels. Known for its reliability and expandability, the 140CPU43412A plays a critical role in controlling and coordinating distributed automation processes.
Processor and Performance: The 140CPU43412A is equipped with an Intel 80486 processor running at 66 MHz. This architecture provides the necessary processing speed to handle extensive control logic, real-time processing, and data-intensive applications in industrial environments.
Large Internal Memory: It comes with 896 KB of user memory, which is used for application programming, data storage, and logic execution. This memory capacity allows complex automation programs and large data tables to be managed efficiently.
Versatile Communication Ports: The module includes:
2 x Modbus RS-232/485 ports: These support serial communication with various field devices.
1 x Modbus Plus port: This enables high-speed, deterministic communication with other PLCs and devices over Modbus Plus networks.
Support for Ethernet via extension modules: Allowing easy integration into modern TCP/IP-based industrial networks.
High I/O Capacity: The CPU supports numerous I/O modules through both local racks and remote expansion options. It can manage hundreds of digital and analog input/output points, making it ideal for expansive control systems.
Battery Backup and Clock: A built-in lithium battery ensures real-time clock functionality and maintains user program and variable retention during power outages.
Diagnostics and Status Monitoring: Integrated LED indicators and software-accessible diagnostics allow for easy monitoring of system status, communication health, and fault detection, minimizing downtime and simplifying maintenance.
Watchdog Timer and Fault Management: An integrated watchdog mechanism ensures that the processor resets safely in the event of a failure, improving system safety and dependability.
Hot-Swapping Capability: Allows for module replacement without shutting down the system, reducing downtime during maintenance or upgrades.
Compliance with Industrial Standards: Fully compliant with IEC programming standards (using Unity Pro or Concept software), and built to operate reliably in harsh industrial conditions with high electromagnetic interference and temperature variations.
Oil & Gas:
Manages complex processes in refineries and upstream facilities including pipeline monitoring, compressor station control, and remote telemetry units.
Water & Wastewater Treatment Plants:
Controls pumps, valves, filtration systems, and chemical dosing, providing process automation and SCADA integration.
Automotive Manufacturing:
Coordinates robotics, conveyors, and production cells in high-speed assembly lines.
Energy & Power Distribution:
Supports grid automation and substation control systems, including remote monitoring and protection relays.
Chemical & Pharmaceutical Industries:
Ensures precise process control, batching, temperature regulation, and compliance with regulatory standards.
Food & Beverage:
Manages complex packaging lines, blending systems, and CIP (Clean-In-Place) processes.
Industry-Proven Reliability:
The Quantum platform has a long-standing reputation for robust performance in mission-critical applications where uptime and system reliability are non-negotiable.
Modular and Scalable Design:
The 140CPU43412A allows for gradual expansion and customization to meet evolving process requirements without the need to overhaul the entire control system.
Extensive Communication Options:
Its support for multiple industrial communication protocols ensures seamless integration with existing infrastructure and third-party systems.
High Performance with Real-Time Capabilities:
The processor’s architecture and memory handling enable rapid data processing and deterministic control, which is essential in time-sensitive processes.
Global Support and Ecosystem:
Being part of the Schneider Electric ecosystem means access to a wide range of support services, certified integrators, software tools, and automation accessories.
Long Lifecycle and Backward Compatibility:
Designed for long-term industrial use, this processor provides backward compatibility with older Quantum systems, preserving existing investments.
The Schneider Electric 140CPU43412A is a reliable, high-performance processor module tailored for industrial applications that demand robust automation control, scalability, and real-time communication. Its versatility, memory capacity, and connectivity features make it a preferred choice for industries looking for proven automation platforms that can adapt to current and future control needs.
Check out Schneider 140CPU43412A latest technical documentation.
"We've been using the PM564-T in our manufacturing plant for 6 months. Reliable, fast, and easy to program. Great communication capabilities."
"Solid PLC with all the features we need. Documentation could be better, but overall a good product."