Schneider 140NOM21200 DIO Head-End Adaptor

Product Description

The 140NOM21200 DIO head-end adaptor is part of the Schneider Electric Modicon Quantum automation platform. It provides reliable communication for distributed I/O systems, supporting redundant copper connections and advanced diagnostic checks to ensure stable operation in demanding industrial environments.

Technical Specifications

• Model: 140NOM21200

• Series: Modicon Quantum

• Type: DIO Head-End Adaptor

• Compatible Modules: 140CRA21210, 140CRA21220

• Ports:

  • 1 × Modbus RS232 (twisted pair, redundant copper)

  • 2 × Modbus Plus RS485 (twisted pair, redundant copper)

• Transmission Rate: 1 Mbit/s

• I/O Words: 30 input / 32 output

• Diagnostics: RAM, processor, RAM address, checksum verification

• Power Dissipation: 4 W

• Bus Current Requirement: 780 mA

• Dimensions: Standard Quantum rack format

• Weight: Approx. 0.2–0.25 kg

• Operating Temperature: 0…60 °C (32…140 °F)

• Storage Temperature: -40…85 °C (-40…185 °F)

• Humidity: 95% non-condensing

• Altitude: ≤ 5000 m

• Certifications: UL 508, CSA, FM Class 1 Division 2, GOST, GL, RINA, RMRS, DNV, C-tick

• Standards: IEC 61131-2, IEC 61010-2-201

Key Features

• Redundant Communication: Dual copper connections for high availability

• Robust Diagnostics: Built-in checks for RAM, processor, and checksum integrity

• Industrial Compliance: Certified for marine and hazardous environments

• Compact Design: Rack-mounted format for easy integration

• High Reliability: Designed for continuous operation in harsh conditions

Application Scenarios The 140NOM21200 adaptor is ideal for distributed I/O systems in industries such as oil & gas, marine, power generation, and manufacturing, where redundancy and robust communication are critical.

FAQ

• Q: Which modules are compatible with the 140NOM21200? A: It supports 140CRA21210 and 140CRA21220 modules.

• Q: What is the transmission rate? A: 1 Mbit/s.

• Q: Does it support redundant communication? A: Yes, via RS232 and RS485 redundant copper connections.