Schneider 140CRA21220 DIO Drop Interface Module

Overview

The Schneider Modicon 140CRA21220 is a high-performance DIO Drop Interface Module. It supports the Modicon Quantum automation platform. Engineers use it to ensure fast data transmission and system redundancy. The module enables reliable communication in industrial control systems. Its robust design makes it ideal for harsh industrial environments.

Technical Specifications

General Information

• Product Type: DIO Drop Interface Module

• Manufacturer: Schneider Electric

• Model Number: 140CRA21220

Power Supply

• Rated Supply Voltage: 24 V DC

• Voltage Range: 20–30 V DC

• Max Supply Current: 1.6 A at 24 V

• Inrush Current: 30 A at 24 V

• Associated Fuse Rating: 2.5 A

• Output Voltage: 5.1 V

• Nominal Output Current: 3 A

• Buffer Time: 1 ms

• Power Dissipation: 11 W

Protection Features

• Short-Circuit Protection: Yes

• Overvoltage Protection: Yes

I/O and Backplane

• I/O Words: 30 input / 32 output

• Supported Backplanes: 2, 3, 4, 6, 10, 16 slots

• Connection Type: 7-pole terminal block

Diagnostics

• RAM Address Verification: Enabled

• Checksum Validation: Supported

Environmental Ratings

• Electrostatic Discharge (Contact): 4 kV

• Electrostatic Discharge (Air): 8 kV

• EM Field Resistance: 10 V/m (80–2000 MHz)

• Operating Temperature: 0–60°C

• Storage Temperature: -40–85°C

• Relative Humidity: 95%, non-condensing

• Operating Altitude: ≤ 5000 m