The Schneider 140DDI35310 discrete input module is part of the Modicon Quantum automation platform, designed for reliable low-voltage DC input handling across 32 channels. With fast switching response, robust isolation, and clear LED signaling, it ensures dependable performance in demanding industrial environments.
Electrical Characteristics:
Nominal Input Voltage: 24 VDC
Operating Range: 19.2…30 VDC
Input Impedance: 2400 Ω
Guaranteed State 1: –30…–15 VDC, ≥ 2.5 mA at Us = –14 V
Guaranteed State 0: –5…0 VDC, ≤ 0.5 mA
Absolute Max Input: 30 V continuous, 50 V transient (1 ms pulse)
Leakage Current: ≤ 200 µA at Us = 5.5 V and Uin = 4 V
Response Time: ≤ 1 ms (state change)
Power Dissipation: 1.5 W + (0.26 × active points)
Isolation & Protection:
Bus-to-Group Isolation: 1780 Vrms for 1 min
Group-to-Group Isolation: 500 Vrms for 1 min
Protection: Resistor-limited input protection
Indicators & Signaling:
Bus Communication: 1 green LED
Fault Detection: 1 red LED
Input Status: 32 green LEDs
Environmental Ratings:
Operating Temperature: 0…60 °C
Storage Temperature: –40…85 °C
Humidity: 95% non-condensing
Altitude: ≤ 5000 m
Standards: UL 508, CSA C22.2 No.142
Certifications: RINA, GOST, FM Class 1 Div.2, C-Tick, RMRS
EMC Resistance:
ESD: 4 kV contact, 8 kV air (IEC 801-2)
EMI: 10 V/m, 80–2000 MHz (IEC 801-3)
Physical:
Format: Standard module
Bus Current Requirement: 330 mA
Net Weight: 0.3 kg
Marking: CE
Application Scenarios
This module is ideal for industrial automation systems requiring fast and reliable DC input monitoring, including process control, power generation, and large-scale plant automation.
FAQ
Q: Is this module suitable for hazardous environments? A: Yes, it is certified for FM Class 1 Division 2 installations.
Q: What is the maximum input voltage tolerance? A: It supports up to 30 VDC continuously and 50 VDC for short pulses.
Q: How are input states indicated? A: Each channel has a dedicated LED, with additional indicators for bus communication and fault detection.
