SCHNEIDER|140CRA21220|DIO Drop Interface Module

Schneider 140CRA21220 DIO Drop Interface Module

Description
The Schneider 140CRA21220 is a dual-redundant DIO drop interface module for the Modicon Quantum automation platform, providing reliable remote I/O communication with 24 V DC power input and comprehensive diagnostics.

Features

• Dual redundant communication ports for high availability
• Universal compatibility with multiple backplane sizes
• Built-in short-circuit and overvoltage protection

Technical Specifications

• Supply voltage: 24 V DC (20–30 V range)
• Max supply current: 1.6 A @ 24 V
• Inrush current: 30 A @ 24 V
• Buffer time: 1 ms
• Fuse rating: 2.5 A
• Output voltage: 5.1 V DC
• Output current: 3 A nominal, 0 A minimum load
• I/O capacity: 30 inputs / 32 outputs
• Supported backplanes: 2, 3, 4, 6, 10, or 16 positions
• Diagnostics: RAM address check, checksum verification (startup and runtime)
• Power dissipation: 11 W
• Terminals: 7-pole terminal block
• Environmental:
  • Operating temperature: 0–60 °C
  • Storage: –40–85 °C
  • Humidity: ≤95% non-condensing
  • Altitude: ≤5000 m
  • Conformal coating: TC treatment
• Certifications: UL, CSA Class I Div 2, DNV, GOST, C-tick
• EMC immunity:
  • ESD: 4 kV contact, 8 kV air (IEC 801-2)
  • RF fields: 10 V/m (80–2000 MHz, IEC 801-3)
• Dimensions: 12.4 × 6.3 × 2.0 in (31.5 × 16.0 × 5.0 cm)
• Weight: 25.6 oz (726 g)