| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||

Product Introduction
The Schneider Electric 140CPU11304C is a high-performance programmable logic controller (PLC) processor module from the Modicon Quantum series. Designed for medium to large-scale industrial automation systems, this CPU module provides efficient logic control, fast processing capabilities, and robust communication features. It is tailored for applications requiring reliable and deterministic control, such as manufacturing lines, process automation, water treatment systems, and energy distribution.
With its modular design, the 140CPU11304C seamlessly integrates into Quantum backplanes and supports various I/O and communication modules. It uses a 486DX processor and supports Ladder Logic programming, making it suitable for real-time control tasks where performance and reliability are critical.
Product Features and Advantages
-
Powerful Processor: Equipped with a 486DX processor for high-speed execution of complex logic sequences.
-
Modular Architecture: Allows flexibility in system configuration and expansion using Quantum I/O modules.
-
Deterministic Operation: Ensures predictable control behavior essential for time-sensitive processes.
-
Memory Integrity: Supports both volatile and non-volatile memory with battery backup, minimizing data loss.
-
Communication Ready: Compatible with Modbus, Modbus Plus, and TCP/IP through add-on communication modules.
-
Easy Integration: Seamless configuration through Schneider’s Concept or Unity Pro software tools.
-
Wide Operating Range: Built for industrial environments with excellent electromagnetic compatibility.
-
Diagnostic Functions: Provides built-in diagnostics and system status monitoring for reduced downtime.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Code | 140CPU11304C |
| Series | Modicon Quantum |
| Processor Type | 486DX |
| Processor Speed | 25 MHz |
| User Memory | 512 KB RAM |
| Battery Backup | Yes (Lithium battery included) |
| Programming Language | Ladder Logic, Structured Text |
| Programming Software | Concept, Unity Pro |
| Communication Ports | Modbus (RS-232), Optional Modbus Plus, TCP/IP |
| Power Supply Requirement | 5V DC, supplied from backplane |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Relative Humidity | 5% to 95% non-condensing |
| Dimensions | 160 x 130 x 140mm |
| Weight | 1.2 kg |
| Mounting | Rack-mounted on Quantum backplane |
| Certifications | CE, UL, CSA |
| Redundancy Support | No (for redundancy, use higher-end Quantum CPUs) |
Product Applications
The 140CPU11304C is utilized across a broad spectrum of industrial control systems, including:
-
Manufacturing Plants: Automation of assembly lines and packaging systems.
-
Water and Wastewater Treatment: Control of pumps, valves, and chemical dosing systems.
-
Energy and Utilities: Monitoring and controlling switchgear, substations, and distribution.
-
Building Management Systems: Integration with HVAC, lighting, and access control systems.
-
Food and Beverage Processing: Process control for blending, bottling, and packaging.
-
Chemical and Pharmaceutical Plants: Accurate control over batching and processing systems.
Installation Instructions
-
Power Off the System: Ensure the Quantum backplane is powered off before installation.
-
Slot Insertion: Insert the 140CPU11304C into the appropriate slot on the Quantum rack.
-
Secure the Module: Fasten the module using the locking tabs to ensure a firm connection.
-
Connect Communication Cables: Attach Modbus or other required network cables.
-
Battery Check: Verify that the battery is installed and functioning to retain memory.
-
Power Up: Turn on the power and use Concept or Unity Pro to configure the CPU settings.
-
Program Deployment: Upload or create your control logic program and monitor system status.
10 FAQs (Non-AI Style)
Q1: What is the memory capacity of the 140CPU11304C?
A1: It has 512 KB of user memory, suitable for medium-complexity control programs.
Q2: Can I use this CPU for redundant applications?
A2: No, this CPU does not support hot standby redundancy. Consider models like 140CPU65160 for redundancy.
Q3: Which programming environments are compatible?
A3: Concept and Unity Pro (now EcoStruxure Control Expert) can be used for configuration and programming.
Q4: Is Modbus TCP supported directly on this model?
A4: Not natively. You’ll need to install an additional communication module for TCP/IP capabilities.
Q5: What’s the typical installation time?
A5: For experienced technicians, physical installation and setup can take less than 30 minutes.
Q6: How often should I replace the battery?
A6: Schneider recommends replacing the lithium backup battery every 5 years under normal conditions.
Q7: Can I upgrade this CPU to support more memory?
A7: No, the memory is fixed. If more memory is needed, opt for higher-end CPUs like 140CPU43412A.
Q8: Does it support HMI integration?
A8: Yes, through communication modules you can interface with HMI systems over Modbus or Ethernet.
Q9: What’s the main advantage over older models?
A9: Improved processing speed and enhanced memory stability over early-generation Quantum CPUs.
Q10: Is the 140CPU11304C suitable for harsh environments?
A10: Yes, within specified temperature and humidity ranges, it is designed for industrial use.
6 Related Models from the Same Series
-
Schneider 140CPU11302
-
Schneider 140CPU43412A
-
Schneider 140CPU65150
-
Schneider 140CPU67160
-
Schneider 140CPU65160
-
Schneider 140CPU53414B
6 Popular Models from the Same Brand
| Model | Series | CPU Type | Memory | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 140CPU65160 | Quantum | RISC 266 MHz | 4 MB | 50.8 x 290 x 153 | 0.85 |
| BMXP342020 | Modicon M340 | ARM9 | 2 MB | 48 x 137 x 104 | 0.45 |
| BMEP582040 | Modicon M580 | Quad-core ARM | 8 MB | 64 x 147 x 152 | 0.65 |
| 140CPU43412A | Quantum | 486DX | 2 MB | 50.8 x 290 x 153 | 0.78 |
| BMXP341000 | Modicon M340 | ARM9 | 512 KB | 48 x 137 x 104 | 0.40 |
| BMEP584040 | Modicon M580 | ARM Cortex-A9 | 16 MB | 64 x 147 x 152 | 0.67 |
Excellent PLC
