Product Introduction
When your existing control system struggles with harsh environments or limited processing power, the Schneider 140CPU21304C CPU module offers a reliable upgrade path. Part of the Modicon Quantum family, this conformal coated unit withstands demanding conditions while delivering robust performance. Whether you are replacing an older Quantum CPU or expanding an existing installation, the 140CPU21304C integrates seamlessly and provides a cost-effective path to enhanced reliability.
Technical Specifications Breakdown
Built for real-time control, the Schneider 140CPU21304C packs essential features. Below are key specifications derived from the product data:
| Parameter |
Value |
| RAM |
768 KB |
| Program Memory |
16 KB |
| Boolean Execution Time |
~0.3 µs |
| Coating |
Conformal Coated (Harsh Env) |
| Mounting Type |
Rack-mounted |
| Communication Ports |
1 x RS232 (Modbus), 1 x Modbus Plus |
| I/O Support |
Local and Remote |
| Operating Temperature |
0…60°C |
| Battery-backed RAM |
Yes |
| Watchdog Function |
Integrated |
| Status LEDs |
RUN, ERR, I/O, COMM |
These parameters ensure the 140CPU21304C handles complex math instructions and maintains data integrity during power loss. For complete specifications, please contact UBEST Automation.
Industry Applications
The Schneider 140CPU21304C excels in scenarios where legacy CPUs fail. Upgrade your oil and gas processing unit with this module to benefit from conformal coating that resists moisture and chemical splashes. In water treatment plants, the 140CPU21304C manages both local and remote I/O, reducing wiring complexity. Manufacturing facilities using Modbus Plus networks can directly replace older CPUs without rewiring.
Compatibility & Integration
The 140CPU21304C communicates via RS232 Modbus and Modbus Plus ports, ensuring seamless connection with existing Schneider Quantum racks and remote I/O drops. It supports math instructions and a watchdog timer, making it ideal for safety‑critical processes. As an upgrade, it integrates into any Quantum backplane without additional adapters.
Selection Guide & Purchasing Advice
Before purchasing a Schneider 140CPU21304C, verify your rack type and power supply rating. Ensure the existing I/O modules match the Quantum series. For bulk or urgent orders, UBEST Automation stocks genuine parts with fast shipping. Contact our team to confirm compatibility with your current system.