Reliable Power Interface for Extended Quantum Systems

Expand your control system with the Schneider Electric 140CRA21100 DIO drop interface module. This essential component provides stable power and communication for remote I/O drops within the Modicon Quantum platform. It accepts a wide range of input voltages for flexible installation in diverse industrial settings. The 140CRA21100 ensures your distributed I/O racks receive clean, regulated power and reliable data exchange.

Electrical Specifications & Power Ratings

• Brand & Model: Schneider Electric Modicon Quantum 140CRA21100.
• Input Voltage: Operates from 85 to 276 VAC, rated for 115/230 VAC.
• Supply Frequency: Compatible with 47 to 63 Hz power systems.
• Power Output: Delivers a regulated 5.1 VDC at a nominal 3 A current.
• Rated Power: Handles up to 50 VA for connected I/O modules.
• Supply Current: Maximum of 0.2 A @ 115VAC or 0.4 A @ 230VAC.
• Inrush Current: Withstands surges up to 10 A @ 115VAC or 20 A @ 230VAC.
• Fuse Protection: Requires an external 1.5 A fuse for circuit safety.

System Integration & Data Capacity

• Interface Type: Single-port DIO (Distributed I/O) drop interface.
• I/O Data Capacity: Supports 30 input words and 32 output words.
• Compatible Backplanes: Works with 2, 3, 4, 6, 10, and 16-position racks.
• Connection Terminal: 7-pole terminal block for secure wiring.
• Built-in Protections: Features short-circuit and output overvoltage protection.
• Power Dissipation: Generates approximately 11 W of heat during operation.

Environmental Robustness & Certifications

• Operating Temperature: Reliable performance from 0°C to 60°C (32°F to 140°F).
• Storage Temperature: Can be stored from -40°C to 85°C (-40°F to 185°F).
• Humidity Rating: Up to 95% relative humidity without condensation.
• EMC Performance: Resists electrostatic discharge (4kV contact, 8kV air) and electromagnetic fields.
• Operating Altitude: Suitable for use up to 5000 meters.
• Safety Certifications: Carries UL 508, CSA, DNV, GOST, and C-Tick approvals.
• Protective Treatment: Coated (TC) for protection in industrial atmospheres.

Installation & Wiring Guide

• Mount the module on a compatible Modicon Quantum DIN rail or panel.
• Connect the main AC power (85-276 VAC) to the designated 7-pole terminal block.
• Always install the recommended 1.5 A fuse in the supply line for protection.
• Use the interface port to connect the remote I/O drop cable for data communication.
• Ensure all wiring complies with local electrical codes and standards.
• Verify the module status via system diagnostics in the Unity Pro software.

Packaging & Shipping Details

• Includes one Schneider Electric 140CRA21100 interface module.
• Package contains all necessary mounting hardware and user manuals.
• All items are shipped in protective, factory-sealed packaging.
• Fast worldwide delivery is available via FedEx, UPS, and DHL.
• This product is backed by a standard 12-month warranty.

Expert FAQs for the 140CRA21100

• What is the primary function of this module in a Quantum system?

It acts as a power supply and communication interface for a remote I/O drop. This allows you to place a rack of I/O modules far from the main CPU, extending your system's reach.

• Can it handle voltage fluctuations common in industrial plants?

Yes, its wide operational input range of 85-276 VAC provides excellent stability. This design compensates for typical line voltage sags and surges without disrupting the connected I/O.

• How many remote I/O modules can one interface support?

The limit is defined by the 30-input/32-output word structure and the 3A output current. You must calculate the total word count and power draw of all modules in the remote drop to ensure you do not exceed capacity.

• What happens if a short circuit occurs on the 5.1V output?

The built-in short-circuit protection activates immediately to safeguard the module. You should identify and resolve the fault on the remote rack before resetting the system to restore normal operation.

• Is special software needed for configuration?

Configuration is handled within the main Quantum project in Schneider Electric's Unity Pro software. You define the remote drop's I/O mapping just like a local rack, making integration straightforward.

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