Description
Product Parameters
- Model Number: 140CPU43412A
- Series: Modicon Quantum
- Processor Type: 486DX1 (Intel-based architecture)
- Clock Speed: 66 MHz
- Memory: 2 MB (RAM) / 512 KB (Flash)
- Onboard Ports: * 1 x Modbus (RS-232/485)
- 1 x Modbus Plus (MB+)
- Max I/O Capacity: 63,920 bits / 63,920 words
- Battery Type: 3V Lithium (for RAM backup)
Product Description The Schneider Electric 140CPU43412A is a high-performance central processing unit for the Modicon Quantum automation platform. It is a “Unity” ready processor, meaning it is compatible with Unity Pro (now EcoStruxure Control Expert) programming software, allowing for advanced tag-based programming and complex logic execution. This module is designed to manage large-scale industrial processes, offering high-speed task execution and extensive memory for data storage and program logic. Its dual-port configuration allows for simultaneous communication with operator interfaces (HMIs) and peer-to-peer networking via the Modbus Plus protocol.
Application Areas This processor is widely utilized in heavy industrial automation, including automotive assembly, water and wastewater treatment, and chemical processing. It is particularly effective in systems requiring high-density I/O control and complex mathematical computations, often serving as the central controller for entire production lines or facility-wide utilities.
Product Specifications
- Weight: 0.85 kg
- Dimensions: 250 mm x 103.4 mm x 40.3 mm (Occupies 1 slot)
- Country of Origin: France / USA
- Power Requirements: 1.25 A at 5V DC (Backplane power)
Operational Precautions
- Memory Protection: Ensure the 3V lithium battery is functional before powering down the rack to prevent the loss of the application program and volatile register data.
- Firmware: Verify that the firmware version (Exec) is compatible with your specific version of Unity Pro or Concept software to ensure all function blocks are available.
- Key Switch: Use the front-panel key switch to set the processor to “Memory Protect” mode once commissioning is complete to prevent unauthorized program changes.
- Backplane Grounding: Ensure the Quantum rack is properly grounded to the cabinet backplane to mitigate electromagnetic interference that can cause processor resets or communication errors.
Recommended Similar Product Models
| Model Number | Product Category | Memory Capacity |
|---|---|---|
| 140CPU43412 | Concept Processor | 2 MB (Non-Unity variant) |
| 140CPU53414A | Unity Processor | 4 MB RAM |
| 140CPU65150 | Unity Processor | 8 MB RAM (with Ethernet) |
| 140NOE77101 | Ethernet Module | Communication Expansion |
| 140CPS11420 | Power Supply | 115/230V AC Input |
