Schneider Electric 140DAI54000 AC Input Module Quantum

Product Description

The 140DAI54000 by Schneider Electric is a high-reliability AC discrete input module engineered for the Modicon Quantum automation platform. Designed to interface directly with field devices operating at 115 V AC, this module enables accurate and stable signal acquisition across 16 independent input channels.

Built for demanding industrial environments, it provides robust electrical isolation, fast response times, and consistent performance across a wide frequency range. The module integrates seamlessly with legacy Quantum systems and supports multiple programming environments, ensuring long-term usability in existing installations.

Although now discontinued, the 140DAI54000 remains widely deployed in critical control systems and continues to be supported for maintenance and lifecycle service applications.

Key Technical Specifications

• Product Model: 140DAI54000
• Product Type: AC Discrete Input Module
• Platform: Modicon Quantum
• Number of Inputs: 16 channels
• Rated Input Voltage: 115 V AC
• Frequency Range: 47–63 Hz
• Input Current:
  • 11.1 mA at 57–63 Hz
  • 13.2 mA at 47–53 Hz
• Logic State Voltage Thresholds:
  • ON State: 79–132 V AC (57–63 Hz), 85–132 V AC (47–53 Hz)
  • OFF State: 0–20 V AC
• Input Impedance:
  • 12 kΩ (57–63 Hz)
  • 14.4 kΩ (47–53 Hz)
• Maximum Input Voltage:
  • 132 V continuous
  • 156 V for 10 seconds
  • 200 V for 1 cycle
• Leakage Current: ≤ 2.1 mA
• Response Time:
  • OFF to ON: 0.75–4.9 ms per line cycle
  • ON to OFF: 7.3–12.3 ms
• Isolation:
  • Channel-to-channel: 1780 Vrms
  • Channel-to-backplane: 1780 Vrms
• Bus Current Consumption: 180 mA
• Power Dissipation: 5.5 W
• Status Indicators:
  • 1 green LED (module active)
  • 1 red LED (fault indication)
  • 16 green LEDs (per input status)
• Module Format: Standard Quantum module
• Weight: 0.68 lb

Environmental and Compliance Data

• Operating Temperature: 0°C to 60°C
• Storage Temperature: -40°C to 85°C
• Relative Humidity: Up to 95% (non-condensing)
• Operating Altitude: Up to 5000 m
• Certifications: UL 508, CSA C22.2 No.142, FM Class I Div 2, cUL, CE
• EMC Immunity:
  • ESD: 4 kV contact, 8 kV air
  • RF Field Immunity: 10 V/m (80–2000 MHz)

Typical Applications

• Power generation and distribution systems
• Oil & gas process automation
• Water and wastewater treatment plants
• Manufacturing and heavy industrial control
• Legacy system upgrades and maintenance

FAQ

Q: Is the 140DAI54000 still available for new projects? A: This module has been discontinued and is not recommended for new system designs. However, it remains available through surplus channels and for system maintenance.

Q: What is the direct replacement for this module? A: Schneider Electric recommends the BMXDAI0814 from the Modicon X80 platform, though system compatibility and configuration adjustments may be required.

Q: Can this module operate in high-noise industrial environments? A: Yes, it features strong EMC immunity and electrical isolation, making it suitable for electrically harsh environments.