Product Overview

The 140DDI84100 (Model: 140DDI84100) is a high-density discrete input module engineered for the Schneider Electric Modicon Quantum PLC platform. It provides a robust 24 VDC interface designed to capture digital states from a wide array of field devices, including limit switches, proximity sensors, and operator pushbuttons.

Featuring 32 input channels organized into four groups of eight, the 140DDI84100 (Part Number: 140DDI84100) balances high I/O density with electrical protection. The module is built for mission-critical industrial environments, supporting Hot Swap capabilities to minimize downtime during maintenance and Hot Standby configurations for high-availability systems. Its seamless integration into the Quantum backplane ensures deterministic data acquisition for complex logic control.

Detailed Technical Specifications

The 140DDI84100 provides precise digital signal sensing with industrial-grade isolation.

• Manufacturer: Schneider Electric

• Product Series: Modicon Quantum

• Model Number: 140DDI84100

• Input Type: Discrete (Digital) DC Input

• Number of Channels: 32 Channels

• Input Voltage: 24 VDC (Nominal)

• Voltage Range: 19.2 VDC to 30 VDC

• Input Grouping: 4 groups of 8 channels (1 common per group)

• Current Consumption: 330 mA maximum at 5V (Internal backplane)

• Input Current: 7 mA at 24 VDC (Typical per channel)

• Input Impedance: 3.2 kΩ

• Response Time: 1 ms (Off to On) / 1 ms (On to Off)

• Isolation: 1780 Vrms for 1 minute between field and logic

• Addressing Requirement: 2 input words

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

• Relative Humidity: 5% to 95% (Non-condensing)

• Weight: 0.3 kg (0.66 lbs)

• Status Indicators: 32 Green LEDs (Input status), 1 Red LED (External fault)

Industrial Application Scenarios

The 140DDI84100 (Part Number: 140DDI84100) is strategically deployed in heavy-duty automation sectors:

• Material Handling: Monitoring conveyor track sensors and sorter limit switches in high-speed logistics centers.

• Water/Wastewater Treatment: Acquiring valve position feedback and pump motor status across distributed lift stations.

• Process Automation: Interfacing with discrete safety interlocks and field sensors in chemical and petrochemical plants.

• Automotive Assembly: Managing high-density sensor arrays on robotic production lines for precise part detection.