Schneider | 140DAI74000 | Modicon Quantum VAC Discrete Input Module

Product Description

The Schneider 140DAI74000 VAC Discrete Input Module is designed for the Modicon Quantum automation platform, providing reliable monitoring of 16 discrete AC input signals. With robust isolation, fast response times, and diagnostic LEDs, it ensures dependable performance in industrial automation environments.

Technical Specifications

• Range of Product: Modicon Quantum automation platform

• Product Type: VAC discrete input module

• Software Compatibility: Concept, ProWORX 32, Unity Pro

• Discrete Input Channels: 16

Complementary

• Group of Channels: 16

• Addressing Requirement: 1 input word

• Discrete Input Voltage: 230 V AC

• Input Current:

  • 11.5 mA @ 57–63 Hz

  • 9.7 mA @ 47–53 Hz

• Voltage State 1 (Guaranteed ON):

  • 165–264 V AC @ 57–63 Hz

  • 175–264 V AC @ 47–53 Hz

• Voltage State 0 (Guaranteed OFF): 0–40 V AC

• Input Impedance:

  • 26,500 Ω capacitive @ 57–63 Hz

  • 31,800 Ω capacitive @ 47–53 Hz

• Network Frequency Limits: 47–63 Hz

• Maximum Leakage Current: 2.6 mA

• Absolute Maximum Input:

  • 264 V continuous

  • 300 V for 10 s

  • 400 V for 1 cycle

• Response Time:

  • Off → On: 4.9–0.75 ms × line cycle

  • On → Off: 7.3–12.3 ms

• Isolation:

  • Between channels: 1780 Vrms for 1 min

  • Between channels and bus: 1780 Vrms for 1 min

• Bus Current Requirement: 180 mA

• Power Dissipation: 5.5 W

• Local Signaling:

  • 1 green LED for bus communication (Active)

  • 1 red LED for external fault (F)

  • 16 green LEDs for input status

• Marking: CE

• Module Format: Standard

• Net Weight: 0.35 kg (0.77 lb US)

Environment

• Standards: UL 508, CSA C22.2 No 142

• Certifications: FM Class 1 Division 2, cUL

• Electrostatic Discharge Resistance: 4 kV contact, 8 kV air (IEC 801-2)

• Electromagnetic Field Resistance: 9.1 V/m (10 V/m) 80–2000 MHz (IEC 801-3)

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

• Storage Temperature: -40–85 °C (-40–185 °F)

• Relative Humidity: 95% without condensation

• Operating Altitude: ≤ 5000 m (16,404 ft)

Application Scenarios

• Monitoring of AC-powered switches, relays, and contactors in Modicon Quantum systems

• Power generation and utility plants requiring reliable discrete input acquisition

• Industrial automation environments with high isolation and diagnostic signaling

FAQ

Q: How many inputs does the 140DAI74000 support? A: It supports 16 discrete AC input channels.

Q: What is the input voltage range? A: 230 V AC nominal, with guaranteed ON at 165–264 V AC and guaranteed OFF at 0–40 V AC.

Q: Does the module include diagnostic LEDs? A: Yes, it includes LEDs for bus communication, fault detection, and individual input status.