Schneider Electric 140DAI55300 32-Channel AC Discrete Input Module

Product Description

The Schneider Electric 140DAI55300 discrete input module is part of the Modicon Quantum PAC automation platform. Designed for 115 V AC input signals, it provides 32 channels grouped into four sets, with robust isolation and diagnostic LEDs for reliable monitoring in industrial control systems.

Key Features

• Product Range: Modicon Quantum PAC automation platform
• Type: AC Discrete Input Module
• Number of Inputs: 32 channels, grouped into 4 sets
• Input Voltage: 115 V AC
• Input Current:
  • 11.1 mA @ 57–63 Hz
  • 13.2 mA @ 47–53 Hz
• Guaranteed Voltage States:
  • Logic 1: 79…132 V AC (57–63 Hz), 85…132 V AC (47–53 Hz)
  • Logic 0: 0…20 V AC
• Input Impedance:
  • 12,000 Ω capacitive @ 57–63 Hz
  • 14,400 Ω capacitive @ 47–53 Hz
• Leakage Current: ≤ 2.1 mA
• Absolute Maximum Input:
  • 132 V continuous
  • 156 V for 10 s
  • 200 V for 1 cycle
• Response Time:
  • Off → On: 4.9…0.75 ms × line cycle
  • On → Off: 7.3…12.3 ms
• Isolation:
  • 1780 Vrms (group-to-group, 1 min)
  • 1780 Vrms (group-to-bus, 1 min)
• Bus Current Requirement: 250 mA
• Power Dissipation: 10.9 W

Local Signaling

• 1 green LED for bus communication (Active)
• 1 red LED for external fault (F)
• 32 green LEDs for input status

Physical Specifications

• Format: Standard module
• Weight: 0.33 kg (0.73 lb US)

Environmental Ratings

• Operating Temperature: 0…60 °C (32…140 °F)
• Storage Temperature: −40…85 °C (−40…185 °F)
• Humidity: 95% non-condensing
• Altitude: ≤ 5000 m (16,404 ft)
• Certifications: CE, UL 508, CSA C22.2 No.142, FM Class 1 Div 2, cUL
• Electrostatic Discharge Resistance: 4 kV contact, 8 kV air (IEC 801-2)
• Electromagnetic Field Resistance: 10 V/m, 80–2000 MHz (IEC 801-3)

Lifecycle Information

• Discontinued: December 31, 2022
• End of Service: December 31, 2030
• Replacement Model: Schneider Electric BMXDAI1604 (Modicon X80 series, 16 inputs, 100–120 V AC)

Application Scenarios

This module was widely used in industrial automation systems requiring AC signal monitoring, such as manufacturing lines, process plants, and infrastructure control.

FAQ

Q: Is the 140DAI55300 still available? A: No, it was discontinued in 2022, with service support until 2030.

Q: What is the recommended replacement? A: The BMXDAI1604 module from the Modicon X80 series.

Q: How many inputs does the replacement provide? A: 16 inputs at 100–120 V AC.