SCHNEIDER|140CRA21120|DIO Drop Interface Module

Schneider Electric 140CRA21120 DIO Drop Interface Module

Description
Schneider Electric 140CRA21120 is a dual-port DIO drop interface module for the Modicon Quantum automation platform, operating at 24 V DC with redundancy and integrated diagnostics.

Features

• Dual redundant ports for reliable I/O communication
• Built-in short-circuit and overvoltage protection
• Supports multiple backplane configurations
• Integrated diagnostic functions during startup and runtime

Technical Specifications

• Supply Voltage: 24 V DC (range: 20–30 V)
• Max Supply Current: 1.6 A at 24 V
• Inrush Current: 30 A at 24 V
• Buffer Time: Up to 1 ms
• Fuse Rating: 2.5 A
• Output Voltage: 5.1 V DC
• Output Current: 3 A nominal, 0 A minimum load
• Protection Features: Short-circuit and overvoltage protection
• I/O Capacity: 30 inputs / 32 outputs
• Power Dissipation: 11 W
• Supported Backplanes: 2, 3, 4, 6, 10, and 16 slot configurations
• Interface Type: Terminal block, 7 poles
• Operating Temperature: 0 to 60 °C
• Storage Temperature: -40 to 85 °C
• Relative Humidity: Up to 95%, non-condensing
• Certifications: UL 508, CSA Class 1 Division 2, UL, GOST, C-Tick, DNV
• EMC Compliance:
  • ESD: 4 kV contact / 8 kV air (IEC 801-2)
  • RF Immunity: 9.14 V/m at 80–2000 MHz (IEC 801-3)
• Weight: 0.674 kg