Schneider Electric 140CRA21210 DIO Drop Interface Module

Product Description

The 140CRA21210 DIO Drop Interface is designed for the Modicon Quantum automation platform, providing a dedicated interface for integrating remote I/O drops into Quantum backplane systems. It ensures stable communication, regulated power distribution, and reliable expansion capability for distributed control applications.

This module is built for continuous industrial environments and supports diagnostic monitoring as well as redundant-capable communication architecture for improved system availability.

Key Technical Specifications

• Product Series: Modicon Quantum
• Product Type: DIO Drop Interface Module
• Model / Part Number: 140CRA21210
• Input Voltage: 115 / 230 VAC
• Operating Voltage Range: 85 – 276 VAC
• Supply Frequency: 47 – 63 Hz
• Input Current: 0.2 A @ 115 VAC / 0.4 A @ 230 VAC
• Inrush Current: 10 A @ 115 VAC / 20 A @ 230 VAC
• Output Voltage: 5.1 VDC regulated backplane supply
• Output Current: 3 A nominal
• Power Dissipation: 11 W
• I/O Capacity: 30 input words / 32 output words
• Communication Port: Single redundant-capable drop interface
• Backplane Compatibility: 2, 3, 4, 6, 10, 16-slot Quantum racks
• Terminal Block: 7-position connection
• Protection Features: Short-circuit protection, overvoltage protection
• Diagnostics: RAM checksum, address monitoring, startup and runtime diagnostics
• Operating Temperature: 0 to 60 °C
• Storage Temperature: -40 to 85 °C
• Relative Humidity: 95% non-condensing
• Altitude: Up to 5000 m
• Standards: UL 508

Functional Overview

• Provides interface between Quantum rack backplane and remote I/O drops
• Converts AC input power into regulated DC backplane voltage
• Supports system diagnostics for fault detection and monitoring
• Enables scalable expansion of distributed I/O systems
• Designed for continuous-duty industrial operation

Applications

• Process automation systems
• Distributed control systems (DCS)
• Industrial production and manufacturing lines
• Energy and utility control systems
• Remote I/O expansion in Quantum architectures

Compatibility Notes

The 140CRA21210 is specifically designed for the Modicon Quantum platform and is not compatible with Modicon M340 or Premium series systems due to differences in backplane and communication architecture.

FAQ

Q1: Does this module support redundancy? Yes, it includes a redundant-capable communication port design to improve system reliability.

Q2: What input voltage range does it support? It supports 85–276 VAC, covering both 115 VAC and 230 VAC power systems.

Q3: Can it be used in harsh environments? Yes, it is designed for industrial-grade conditions including wide temperature range and high humidity environments.