Schneider 140DAI55300 AC Digital Input Module
May 16, 2026

Schneider 140DAI55300 AC Digital Input Module

140DAI55300 Modicon Quantum Discrete Input Module

Description

140DAI55300

Modicon Quantum Discrete Input Module

32 Channels, 115 V AC, 47–63 Hz, Standard Non‑Coating, Diagnostic / Fuse

English Specification Manual (Full Text, No Images)


1. General Description

140DAI55300 is a 1‑slot standard 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, designed for high‑density 115 V AC input applications requiring fuse protection and diagnostic indication.
  • Manufacturer: Schneider Electric

  • Series: Modicon Quantum (140 Series)

  • Module Type: AC Discrete Input Module, Diagnostic / Fuse

  • Channels: 32 points (2 input words)

  • Form Factor: 1 slot, hot‑swappable

  • Coating: Standard non‑conformal coating

  • Weight: ~0.33 kg

  • Key Feature: Fuse + Diagnostic (F‑LED for fault/fuse trip)

  • Application: General factory, machinery, assembly lines, high‑density 115 V AC signals needing fuse protection and fault indication


2. Electrical Specifications

  • 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

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

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

  • Relative Humidity: 5% … 95% non‑condensing

  • 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


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 140DAI55300 (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


9. Certifications

  • CE (EN 55011, EN 61131‑2)

  • UL 508 / CSA C22.2 No. 142

  • CUL, FM Class I Div 2

  • RoHS compliant


10. Ordering Information

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

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


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