Schneider Electric 140CRA21220 – DIO Drop Interface Module

The Schneider Electric 140CRA21220 is a high-performance DIO Drop Interface engineered for industrial automation applications. It incorporates two redundant ports to strengthen communication reliability across control networks. The module operates on a 24V DC supply, with an allowable range from 20 to 30 volts, ensuring stable performance in various environments.

Key Features of 140CRA21220

• Manufacturer: Schneider Electric
• Model: 140CRA21220
• Category: DIO Drop Interface Module
• Number of Ports: 2 redundant
• Rated Supply Voltage: 24V DC
• Supply Voltage Limits: 20–30 V
• Maximum Supply Current: 1.6 A at 24 V
• Inrush Current: 30 A at 24 V
• Maximum Buffer Time: 1 ms
• Fuse Rating: 2.5 A
• Output Voltage: 5.1 V
• Nominal Output Current: 3 A
• I/O Capacity: 30 input words, 32 output words
• Power Dissipation: 11 W
• Module Format: Standard
• Weight: 1.25 lbs (0.57 kg)

Technical Specifications Table

Description

The 140CRA21220 supports complex industrial setups by providing reliable data communication across two redundant ports. Its robust design accommodates a maximum supply current of 1.6 A and manages inrush currents up to 30 A, handling peak operational loads effectively.

Additionally, the module guarantees rapid response with a maximum buffer time of 1 ms, allowing precise signal processing in time-sensitive applications. With an associated fuse rating of 2.5 A, it safeguards connected devices from overload conditions.

The module supplies 5.1 V output voltage with a nominal current of 3 A, supporting downstream devices efficiently. Its I/O capacity of 30 input words and 32 output words enables extensive monitoring and control, while 11 W power dissipation highlights energy efficiency.

Designed in a standard module format, the 140CRA21220 simplifies installation, while its compact weight of 1.25 lbs (0.57 kg) makes it easy to integrate into existing Modicon systems.