140CRA21120 Dual Port Interface – Schneider Electric Quantum

Schneider Electric 140CRA21120 – Redundant DIO Drop Interface

The 140CRA21120 DIO drop interface provides reliable 24V DC connectivity for Modicon Quantum systems. This dual-port redundant interface ensures continuous operation in critical industrial applications.

Technical Specifications

• Brand: Schneider Electric
• Model: 140CRA21120
• Series: Modicon Quantum
• Type: DIO Drop Interface
• Input Voltage: 24V DC (20-30V range)
• Input Current: 1.6A maximum @ 24V
• Inrush Current: 30A @ 24V
• Output Voltage: 5.1V regulated
• Output Current: 3A nominal
• I/O Capacity: 30 input words, 32 output words
• Buffer Time: 1ms maximum
• Power Dissipation: 11W
• Fuse Rating: 2.5A
• Termination: 7-pole terminal block
• Operating Temp: 0°C to 60°C (32°F to 140°F)
• Certifications: UL, CSA, GOST, C-tick, DNV
• Warranty: 12 months

Protection Features

• Short-circuit protection
• Output overvoltage protection
• ESD protection: 4kV contact, 8kV air
• EMF resistance: 10V/m (80-2000MHz)
• Wide operating temperature range

Compatibility

• 2-position backplanes
• 3-position backplanes
• 4-position backplanes
• 6-position backplanes
• 10-position backplanes
• 16-position backplanes

Diagnostic Capabilities

• Startup diagnostics: Checksum, RAM, RAM address
• Runtime diagnostics: Checksum, RAM address, RAM
• Continuous monitoring for reliable operation

Environmental Specifications

• Operating Temperature: 0°C to 60°C
• Storage Temperature: -40°C to 85°C
• Humidity: 95% non-condensing
• Operating Altitude: Up to 5000 meters
• Protective Treatment: TC (Conformal Coating)

Package & Shipping

• Package Dimensions: 12.20″ × 6.50″ × 1.97″
• Package Weight: 23.8 oz (674 g)
• Shipping Methods: FedEx, UPS, DHL Express
• Lead Time: Typically 2-5 business days

Frequently Asked Questions

• What does “redundant ports” mean?
  Dual ports provide backup connectivity if one port fails, ensuring continuous operation.
• What is the maximum current output?
  It provides 3A nominal current at 5.1V for connected devices.
• Can it handle voltage fluctuations?
  Yes, it accepts input voltages from 20V to 30V DC, providing stable 5.1V output.
• What safety certifications does it have?
  It carries UL, CSA, GOST, C-tick, and DNV certifications for global use.
• How many I/O words does it support?
  It supports 30 input words and 32 output words for data exchange.

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