140DDI35300 DC Input Module | Schneider Modicon Quantum

Product Overview

The 140DDI35300 is a discrete DC input module from Schneider Electric’s Modicon Quantum PLC platform, designed for reliable digital signal acquisition in large-scale and mission-critical industrial control systems. It interfaces field-level digital devices directly to the Quantum backplane, ensuring stable signal processing and high noise immunity.

This module is engineered for 24 VDC discrete inputs and is widely deployed in process industries, power generation, water treatment, and manufacturing plants where system robustness and long service life are required.

Technical Specifications

• Model: 140DDI35300

• Brand: Schneider Electric

• Product range: Modicon Quantum

• Product type: Discrete DC Input Module

• Number of input channels: 32

• Input voltage type: 24 VDC

• Input voltage range: 10…30 VDC

• Input current: 7 mA per channel at 24 VDC

• Logic level thresholds

• Logic 0: < 5 VDC

• Logic 1: > 13 VDC

• Input isolation: Optical isolation between field inputs and system backplane

• Response time: < 1 ms

• Backplane bus current requirement: Approx. 330 mA at 5 VDC

• Module format: Standard Quantum single-width module

• Mounting method: Installed in Modicon Quantum I/O rack

• Protection rating: IP20 (cabinet installation required)

• Certifications: CE, UL, CSA, RoHS

• Operating temperature: 0 °C to +60 °C

• Storage temperature: –40 °C to +85 °C

• Relative humidity: 5–95% non-condensing

• Net weight: 0.3 kg (0.7 lb)

FAQ

What type of signals does the 140DDI35300 accept?

The 140DDI35300 accepts 24 VDC discrete input signals from standard industrial field devices.

Is this module compatible with all Modicon Quantum PLCs?

Yes. It is fully compatible with Modicon Quantum racks and CPUs when installed in a supported Quantum I/O backplane.

Does this module provide channel isolation?

Yes. Optical isolation is provided between the input channels and the PLC backplane to enhance system protection.

Is the Modicon Quantum platform still supported?

The Modicon Quantum platform is discontinued for new projects, but Schneider Electric continues lifecycle service support. Migration paths to Modicon M580 are recommended for long-term upgrades.