• Schneider 140CRA21220
  • Schneider 140CRA21220
  • Schneider 140CRA21220
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Schneider Electric 140CRA21220 Modicon Quantum Remote DIO Drop Interface Module

Schneider Electric 140CRA21220 Modicon Quantum Remote DIO Drop Interface Module

Description

The Schneider Electric 140CRA21220 serves as a critical Remote I/O (RIO) drop interface module within the Modicon Quantum automation platform. This module functions as the bridge between the remote I/O...

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SKU: 140CRA21220
Vendor: Schneider
Category: Remote I/O Module
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Description

The Schneider Electric 140CRA21220 serves as a critical Remote I/O (RIO) drop interface module within the Modicon Quantum automation platform. This module functions as the bridge between the remote I/O rack and the primary CPU, facilitating high-speed, deterministic data exchange across the S908 remote I/O network. Designed for demanding industrial environments, the 140CRA21220 ensures reliable communication for distributed control systems, supporting continuous operation in sectors such as energy production, water treatment, and heavy manufacturing.

Features

  • Dual coaxial communication ports for redundant network media support.
  • Seamless failover capability with sub-1ms switching time in the event of primary line disruption.
  • Integrated diagnostic LEDs for real-time status monitoring of network health, power, and bus synchronization.
  • Front-mounted rotary switches for precise address configuration.
  • Robust electrical isolation to protect internal circuitry from field-side interference.

Technical Specifications

Model 140CRA21220
Series Modicon Quantum
Module Type Remote DIO Drop Interface
Supply Voltage 24 VDC (19.2-30 VDC range)
Current Consumption 650 mA @ 24 VDC
Communication Protocol S908 Remote I/O
Ports 2 x Coaxial (75 Ohm F-connector)
Data Rate 1.544 Mbps
Isolation 500 VDC (Field to Bus)
Operating Temperature 0 to 60 deg C
Storage Temperature -40 to 85 deg C
Relative Humidity 5-95% non-condensing

Installation Guidelines

  • Ensure the power supply is disconnected before inserting or removing the module from the Quantum rack.
  • Use shielded coaxial cable for S908 network connections to maintain signal integrity and minimize EMI.
  • Verify that the rotary address switches are set to the correct node ID before powering on the system.
  • Maintain adequate clearance around the module to facilitate proper airflow and cooling within the enclosure.
  • Adhere to standard ESD (Electrostatic Discharge) handling procedures when touching the module backplane connectors.

FAQ

What is the primary function of the 140CRA21220?

This module acts as a remote drop interface, allowing a Modicon Quantum processor to communicate with I/O racks located at a distance from the main controller via the S908 network.

Does this module support network redundancy?

Yes, the 140CRA21220 features two coaxial ports that allow for a redundant cable layout. If the primary communication path fails, the module automatically switches to the secondary path to maintain system uptime.

What voltage is required for operation?

The module operates on a 24 VDC power supply, with an acceptable operational range of 19.2 VDC to 30 VDC.