Schneider 140DAI55300C Conformal Coated AC Input Module
May 16, 2026

Schneider 140DAI55300C Conformal Coated AC Input Module

140DAI55300C Modicon Quantum Discrete Input Module

Description

140DAI55300C

Modicon Quantum Discrete Input Module

32 Channels, 115 V AC, 47–63 Hz, Conformal Coating, Diagnostic / Fuse

English Specification Manual (Full Text, No Images)


1. General Description

140DAI55300C is a 1‑slot conformal coated AC discrete input module with diagnostics and fuse protection for Schneider Electric Modicon Quantum PLC. It provides 32 channels of 115 V AC digital input with group‑level fault detection and fuse protection per group, plus 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, Diagnostic / Fuse

  • Channels: 32 points (2 input words)

  • Form Factor: 1 slot, hot‑swappable

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

  • Weight: ~0.33 kg

  • Key Features: Fuse + Diagnostic (F‑LED) + Conformal Coating

  • Application: Offshore, chemical, pulp & paper, high humidity, salt mist, corrosive atmosphere, high‑density 115 V AC signals needing fuse protection and fault indication


2. Electrical Specifications

Same as 140DAI55300 (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 @ 47–53 Hz

    • 11.1 mA max @ 57–63 Hz

  • Input Impedance:

    • 14.4 kΩ (capacitive) @ 47–53 Hz

    • 12.0 kΩ (capacitive) @ 57–63 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: 250 mA

  • Power Dissipation: ~10.9 W max

  • Internal Power: Powered by Quantum backplane

  • Absolute Maximum Input:

    • 200 V AC (1 cycle)

    • 132 V AC (continuous)

    • 156 V AC (10 s)

  • Fuse: Per group (4 groups × 8 ch), replaceable fuse on module

  • Diagnostic: F‑LED indicates fuse blow / overvoltage / short circuit


3. I/O & LED Indicators (Front)

  • IN0 … IN31 (Green LEDs) – Individual input status (ON = lit)

  • ACTIVE (Green LED) – Bus communication OK

  • F (Red LED) – Fuse trip / overvoltage / short circuit (diagnostic)


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: 4 groups × 8 channels, 4 independent commons, fuse per group

  • Field Wire Size: 0.5 … 2.5 mm²


6. Wiring & Connection

  • Common: One common per 8 channels (4 commons total)

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

  • Fuse: Each group has a built‑in fuse; replace only with same rating

  • 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 140DAI55300C (1 slot) to I/O map

  2. Default input address: %I0 … %I31 (2 words)

  3. Set input filter (software, optional)

  4. Download to CPU


8. Troubleshooting

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

  • F (Red) ON: Fuse blown, overvoltage, or short circuit (check field wiring/load)

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

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

  • Fuse Replacement: Use only manufacturer‑specified fuse rating

  • 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

  • 140DAI55300: Standard non‑coated, Diagnostic / Fuse (general environment)

  • 140DAI55300C: Conformal coated, Diagnostic / Fuse (harsh environment)


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