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Product Description
The 140CRA21120 from Schneider Electric is a distributed I/O (DIO) drop interface module developed for the Modicon Quantum automation platform. It enables communication between the Quantum controller and remote I/O drops via dual redundant channels, ensuring higher system availability in critical applications.
Powered by a 24 V DC supply, this module integrates directly into Quantum racks and supports stable data exchange for distributed architectures. Its built-in protection features and diagnostic capabilities make it suitable for continuous operation in industrial environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 140CRA21120 |
| Product Type | DIO Drop Interface Module |
| Platform | Modicon Quantum |
| Supply Voltage | 24 V DC |
| Voltage Range | 20…30 V DC |
| Current Consumption | 1.6 A at 24 V DC |
| Inrush Current | 30 A |
| Output Voltage | 5.1 V DC |
| Output Current | Up to 3 A |
| Minimum Load Current | 0 A |
| Communication Ports | 2 redundant channels |
| I/O Data Capacity | 30 input words / 32 output words |
| Terminal Type | 7-pole terminal block |
| Power Consumption | Approx. 11 W |
| Buffer Time | 1 ms |
| Short Circuit Protection | Yes |
| Overvoltage Protection | Yes |
| Mounting | Rack-mounted (Quantum backplane) |
| Module Format | Standard |
Environmental and Compliance Data
- Operating temperature: 0 to 60 °C
- Storage temperature: -40 to 85 °C
- Relative humidity: up to 95% (non-condensing)
- Operating altitude: up to 5000 m
- ESD immunity: 4 kV contact, 8 kV air (IEC 801-2)
- EMC immunity: 10 V/m (80…2000 MHz, IEC 801-3)
- Certifications: UL 508, CSA Class I Division 2, DNV, GOST, C-Tick
Key Features
- Dual redundant communication ports for improved network reliability
- Designed specifically for Modicon Quantum distributed I/O systems
- Wide DC input range supports industrial power conditions
- Integrated electrical protections enhance system safety
- Real-time diagnostics for memory and communication monitoring
Applications
- Redundant distributed I/O systems in process industries
- Power generation and energy distribution control systems
- Oil & gas and chemical plant automation
- Large-scale manufacturing requiring fault-tolerant I/O communication
FAQ
What distinguishes the 140CRA21120 from single-port models? This module provides two independent communication channels, allowing redundancy and improved fault tolerance compared to single-port variants.
What power supply is required? It operates on 24 V DC with a permissible range of 20 to 30 V DC.
Is this module suitable for harsh industrial environments? Yes, it meets industrial EMC and environmental standards and includes protection against electrical faults.
Payment: T/T, Western Union.
Shipping port: Xiamen.
Lead time: Typically 1–3 working days after payment confirmation (subject to stock).
Worldwide delivery: We ship industrial automation parts to customers around the world. Freight is quoted with your RFQ.
F.A.Q.
Common questions about quotes, shipping, warranty and returnsClick Request a Quote on the product page and send us the part number, required quantity, and destination country. Our sales team will reply with current availability, pricing, and estimated delivery time.
In-stock items are normally prepared after payment and order confirmation. Most orders are dispatched from our warehouse in China, although the shipping location may vary depending on current stock.
Yes. We ship industrial automation parts to customers worldwide. Shipping cost and transit time depend on the destination, package weight, product size, and local import requirements.
We commonly use DHL, FedEx, UPS, and other international courier services. The carrier can be selected according to the destination, delivery speed, shipment size, and customer requirements.
Our products are generally covered by a 12-month warranty. Eligible products may also be returned under our 30-day refund policy. Please contact our team before returning any item to confirm the applicable terms and return instructions.
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