Schneider 140CRA21110C DIO Drop Interface

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

Product Introduction

The Schneider Electric 140CRA21110C is a DIO Drop Interface designed for use within the Modicon Quantum automation platform. This module serves as a critical communication bridge between the Quantum CPU and remote I/O racks, allowing for distributed control architecture and improved flexibility in large-scale industrial automation systems.

Functioning via a RIO (Remote Input/Output) architecture, the 140CRA21110C supports high-speed data exchange, reliable communication, and synchronized control between central processing units and multiple remote devices. It is especially valuable in segmented or geographically distributed process plants where space and distance require decentralized control logic execution.

The module’s rugged build, simple integration, and seamless support for Unity Pro / EcoStruxure Control Expert software make it a go-to solution in industries such as power generation, oil & gas, water treatment, manufacturing, and infrastructure automation.

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Technical Specifications

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Product Applications

The 140CRA21110C DIO Drop Interface is used extensively in distributed control environments where centralized PLC architecture would be limiting or inefficient. Typical applications include:

• Oil & Gas Facilities
  Remote valve, pump, and compressor I/O signal integration from field areas to central control rooms.

• Power Generation Stations
  Segmenting turbine and auxiliary control systems using distributed I/O architecture.

• Water & Wastewater Treatment
  Supporting remote panel I/Os for chemical dosing, pressure monitoring, and flow control.

• Manufacturing Plants
  Facilitates real-time I/O communication across distant production lines or sub-plants.

• Building Automation and Infrastructure
  Used in HVAC, lighting, and facility monitoring where sensors are dispersed throughout large buildings.

• Pharmaceutical and Food Processing
  Connects isolated cleanroom equipment or skid systems to a master PLC in controlled environments.

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Key Advantages

• Distributed Control Efficiency
  Enables decentralized I/O architectures to reduce cabling, increase flexibility, and improve maintainability.

• High-Speed Communication
  Operates over S908 RIO networks with data rates up to 1.5 Mbps, ensuring timely updates.

• Plug-and-Play Compatibility
  Designed to seamlessly integrate into existing Modicon Quantum systems without requiring complex configuration.

• Robust Diagnostics
  Onboard LEDs and Unity Pro diagnostics offer real-time insights into communication and I/O health.

• Compact Design
  Fits easily into any Quantum backplane slot without requiring additional space or power sources.

• Reliable in Harsh Environments
  Certified for operation in industrial settings with wide temperature and humidity tolerances.

• Long-Term Lifecycle Support
  Backed by Schneider Electric’s global support and long availability roadmap.

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Frequently Asked Questions (FAQ)

1. What is the primary role of the 140CRA21110C module?
It acts as a drop interface that connects remote I/O racks to the main CPU over a Remote I/O (RIO) network.

2. Which CPU models are compatible with this module?
It is fully compatible with Modicon Quantum CPUs that support the RIO network architecture.

3. Does this module support redundancy?
Redundancy can be achieved when used within a redundant RIO architecture with supported components.

4. How is the 140CRA21110C installed?
It is inserted into any slot on the Quantum backplane and connected via coaxial cable to RIO drops.

5. Can I use Unity Pro to configure the module?
Yes, Unity Pro (now EcoStruxure Control Expert) provides full configuration and diagnostics support.

6. How many remote drops can it support?
One drop per module. Multiple modules can be used for additional drops.

7. What type of connector does it use for RIO communication?
It uses a BNC coaxial connector with 75 Ohm impedance.

8. What is the operating temperature range of this module?
It operates between 0°C and +60°C.

9. Is this module suitable for hazardous environments?
Yes, it meets ATEX and other certifications suitable for classified zones.

10. How often does this module require maintenance?
It requires minimal maintenance and typically only needs inspection during routine PLC maintenance schedules.

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Frequently Asked Questions (FAQ)

1. What is the primary role of the 140CRA21110C module?
It acts as a drop interface that connects remote I/O racks to the main CPU over a Remote I/O (RIO) network.

2. Which CPU models are compatible with this module?
It is fully compatible with Modicon Quantum CPUs that support the RIO network architecture.

3. Does this module support redundancy?
Redundancy can be achieved when used within a redundant RIO architecture with supported components.

4. How is the 140CRA21110C installed?
It is inserted into any slot on the Quantum backplane and connected via coaxial cable to RIO drops.

5. Can I use Unity Pro to configure the module?
Yes, Unity Pro (now EcoStruxure Control Expert) provides full configuration and diagnostics support.

6. How many remote drops can it support?
One drop per module. Multiple modules can be used for additional drops.

7. What type of connector does it use for RIO communication?
It uses a BNC coaxial connector with 75 Ohm impedance.

8. What is the operating temperature range of this module?
It operates between 0°C and +60°C.

9. Is this module suitable for hazardous environments?
Yes, it meets ATEX and other certifications suitable for classified zones.

10. How often does this module require maintenance?
It requires minimal maintenance and typically only needs inspection during routine PLC maintenance schedules.

Related Models in the Same Series or Function

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Popular Schneider Electric Models from Other Categories

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