Schneider Electric Modicon Quantum 140CRA21210 AC Interface

Schneider Electric 140CRA21210 DIO Drop Interface for Modicon Quantum

The Schneider Electric 140CRA21210 is an AC-powered distributed I/O (DIO) drop interface module. It enables the expansion of Modicon Quantum control systems by providing a remote node for I/O modules, powered directly from standard AC mains.

Core Technical Specifications

• Model: 140CRA21210
• Network Ports: 1 redundant port for network communication
• Supply Voltage: 115/230 V AC (85–276 V range)
• Supply Frequency: 47–63 Hz
• Supply Current: 0.2 A @ 115V, 0.4 A @ 230V max
• Rated Power: 50 VA
• Output Power: 5.1 V at 3 A nominal for I/O modules
• Protection: Short-circuit and overvoltage protection included
• I/O Capacity: 30 input words / 32 output words per drop
• Connection: 7-pole terminal block

Electrical & Environmental Data

• Inrush Current: 10 A (115V), 20 A (230V)
• Recommended Fuse: 1.5 A
• Power Dissipation: 11 W
• Operating Temperature: 0 to 60 °C
• Storage Temperature: -40 to 85 °C
• Humidity: Up to 95% non-condensing
• Altitude: Operational up to 5000 meters

Compatibility & Mounting

• Compatible Backplanes: Standard 2, 3, 4, 6, 10, and 16-position Quantum backplanes.
• Function: Serves as the head module for an AC-powered remote I/O drop, managing data and power distribution.

Frequently Asked Questions

• Q: How does the 140CRA21210 differ from DC-powered interfaces?
  A: This module is designed for direct connection to 85-276V AC mains power, eliminating the need for a separate DC power supply at the drop location.
• Q: What is the "redundant port" for?
  A: The single redundant port allows the drop to be integrated into a fault-tolerant network ring, ensuring communication continues if a cable fails.
• Q: What power does it supply to the I/O modules on its rack?
  A: It converts the AC input to a regulated 5.1V DC output, capable of delivering up to 3A to the connected modules.
• Q: How many I/O modules can one drop support?
  A> The drop can handle I/O addressing for up to 30 input words and 32 output words, distributed across the modules on its compatible backplane.
• Q: What are the key installation considerations?
  A: Ensure the AC supply voltage is within the 85-276V range and use the recommended 1.5A fuse for branch circuit protection.

Packaging & Ordering

• Includes one 140CRA21210 AC-Powered DIO Interface Module.
• Shipped securely via FedEx, UPS, or DHL.
• Complete installation and wiring diagrams are provided.

Simplify remote I/O deployment with the Schneider Electric 140CRA21210. Its integrated AC-to-DC power conversion and robust network interface make it ideal for distributed control applications without local DC power.

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