1. General Information

Model Number: 140DDI35300

Product Type: Digital Input Module

Series: Modicon Quantum 140 Series

Application: Industrial Automation Control Systems

2. Electrical Characteristics

Input Type: 32-point configurable sink/source input

Input Voltage: 24V DC nominal (10-30V DC operating range)

Input Current: 5mA typical @ 24V DC

On-state Voltage: ≤15V DC

Off-state Voltage: ≥5V DC

Input Impedance: 4.7kΩ typical

Response Time: ≤1ms (ON/OFF)

Maximum Input Frequency: 1kHz

3. Protection Features

Reverse polarity protection

Overvoltage protection (up to 30V DC continuous)

Transient protection

Input filtering (debouncing)

4. Isolation Specifications

Channel-to-channel: Not isolated

Field-to-logic: 1500V AC reinforced isolation

Isolation Resistance: ≥100MΩ @ 500V DC

5. Mechanical Specifications

Dimensions: 45mm (W) × 125mm (H) × 120mm (D)

Weight: Approx. 0.45kg

Connection Type: Removable screw terminal block

LED Indicators: Per-point status (32 green LEDs) + module status

6. Environmental Conditions

Operating Temperature: 0°C to +60°C

Storage Temperature: -40°C to +85°C

Relative Humidity: 5% to 95% non-condensing

Pollution Degree: 2

Altitude: ≤2000m

7. Certifications & Standards

Safety: UL 508, CSA C22.2 No. 142

EMC: EN 61000-6-2, EN 61000-6-4

Industrial: IEC 61131-2 compliant

CE Marked

RoHS compliant

8. Power Requirements

Backplane Power Consumption: 450mA maximum (5V DC)

Field Power: Not required (passive input module)

9. Compatibility

Compatible with all Modicon Quantum 140 series PLCs

Requires Quantum backplane for installation

Supports hot-swapping (live insertion/removal)