Schneider 140DAI54000C Conformal Coated 115VAC Discrete Input Module
May 16, 2026

Schneider 140DAI54000C Conformal Coated 115VAC Discrete Input Module

140DAI54000C Modicon Quantum Discrete Input Module

Description

140DAI54000C

Modicon Quantum Discrete Input Module

16 Channels, 115 V AC, 47–63 Hz, Conformal Coating

English Specification Manual (Full Text, No Images)


1. General Description

140DAI54000C is a 1‑slot conformal coated AC discrete input module for Schneider Electric Modicon Quantum PLC. It provides 16 channels of 115 V AC digital input and features conformal coating for enhanced reliability in harsh, corrosive, humid, dusty, or salt‑mist industrial environments.
  • Manufacturer: Schneider Electric

  • Series: Modicon Quantum (140 Series)

  • Module Type: AC Discrete Input Module (Conformal Coated)

  • Channels: 16 points (1 input word)

  • Form Factor: 1 slot, hot‑swappable

  • Coating: Conformal coated (IPC‑CC‑830 qualified)

  • Weight: ~0.34 kg

  • Application: Offshore, chemical, pulp & paper, high humidity, salt mist, corrosive atmosphere


2. Electrical Specifications

Same as 140DAI54000 (coating does not change electrical parameters):
  • Nominal Input Voltage: 115 V AC

  • Operating Frequency: 47 … 63 Hz

  • Logic 1 (ON):

    • 79 … 132 V AC @ 57–63 Hz

    • 85 … 132 V AC @ 47–53 Hz

  • Logic 0 (OFF): 0 … 20 V AC

  • Input Current:

    • 13.2 mA max @ 57–63 Hz

    • 11.1 mA max @ 47–53 Hz

  • Input Impedance:

    • 12.0 kΩ (capacitive) @ 57–63 Hz

    • 14.4 kΩ (capacitive) @ 47–53 Hz

  • Leakage Current: max 2.1 mA

  • Response Time:

    • OFF → ON: 0.75 … 4.9 ms

    • ON → OFF: 7.3 … 12.3 ms

  • Isolation (Channel‑to‑Bus): 1780 Vrms, 1 minute

  • Backplane Current: 180 mA

  • Power Dissipation: ~5.0 W max

  • Absolute Maximum Input:

    • 200 V AC (1 cycle)

    • 132 V AC (continuous)

    • 156 V AC (10 s)


3. I/O & LED Indicators (Front)

  • IN0 … IN15 (Green LEDs) – Individual input status (ON = lit)

  • ACTIVE (Green LED) – Bus communication OK

  • F (Red LED) – External fault (overvoltage, short circuit)


4. Environmental Specifications (Coating Enhanced)

  • Operating Temperature: 0 °C … +60 °C

  • Storage Temperature: −40 °C … +85 °C

  • Relative Humidity: 5% … 95% non‑condensing (coating reduces corrosion risk)

  • Altitude: ≤ 2,000 m (standard); up to 5,000 m derated

  • ESD: 4 kV contact / 8 kV air

  • EMI: 10 V/m (80–2000 MHz)

  • Protection Class: IP20

  • Coating Protection: Resists moisture, dust, salt mist, and common industrial contaminants


5. Physical & Mechanical

  • Dimensions (W × H × D): 35 × 122 × 52 mm (1 slot)

  • Mounting: Any single slot, hot‑swap compatible

  • Wiring: Screw terminals (field side)

  • Grouping: 2 groups × 8 channels, 2 independent commons

  • Field Wire Size: 0.5 … 2.5 mm²


6. Wiring & Connection

  • Common: One common per 8 channels (2 commons total)

  • Input: Apply 115 V AC between common and input terminal

  • Shielding: Recommended for long cables; ground at one end only


7. Software Configuration

Supported software:
  • Unity Pro (recommended)

  • Concept v2.2+

  • ProWORX 32

Configuration:
  1. Add 140DAI54000C (1 slot) to I/O map

  2. Default input address: %I0 … %I15 (1 word)

  3. Set input filter (software, optional)

  4. Download to CPU


8. Troubleshooting

  • All IN LEDs OFF: Check 115 V AC supply and common wiring

  • F (Red) ON: Overvoltage, short circuit, or wiring fault

  • ACTIVE OFF: Module not recognized; reseat or check backplane

  • Erratic Inputs: Poor grounding, noise, or loose terminals

  • Coating Note: Do not apply additional conformal coating; factory coating is sufficient


9. Certifications

  • CE (EN 55011, EN 61131‑2)

  • UL 508 / CSA C22.2 No. 142

  • CUL, FM Class I Div 2

  • RoHS compliant

  • Coating: IPC‑CC‑830 qualified


10. Ordering Information

  • 140DAI54000: Standard non‑coated (general environment)

  • 140DAI54000C: Conformal coated (harsh environment)


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