Schneider 140DAO84210C Conformal Coated AC Digital Output Module
May 16, 2026

Schneider 140DAO84210C Conformal Coated AC Digital Output Module

140DAO84210C Modicon Quantum AC Discrete Output Module

Description

140DAO84210C

Modicon Quantum AC Discrete Output Module

16 Outputs, 85–253 V AC, 47–63 Hz, Triac, Conformal Coated, Fused, With Diagnostic

English Specification Manual (Full Text)


1. General Description

140DAO84210C is a 1‑slot conformal coated AC discrete output module (triac, 4×4 grouped, fused, with diagnostics) for Schneider Electric Modicon Quantum PLC. It provides 16 AC solid‑state (triac) output channels, arranged as:
  • Outputs: 4 groups × 4 channels (4×4 grouping, group‑to‑group isolation)

Designed for high‑voltage AC applications (115/230 V AC) in harsh / humid / corrosive environments, requiring grouped isolation, on‑board fusing, and fault diagnostics.
  • Manufacturer: Schneider Electric

  • Series: Modicon Quantum (140 Series)

  • Module Type: AC Discrete Output Module, Triac, 16‑Ch (4×4), Conformal Coated, Fused, With Diagnostic

  • Total Outputs: 16 points (4 groups × 4 ch)

  • Output Grouping: 4 groups × 4 ch (group isolated, common per group)

  • Form Factor: 1 slot, hot‑swappable

  • Coating: Conformal coated (Humiseal 1A33, IPC‑CC‑830 qualified)

  • Weight: ~0.45 kg

  • Key Feature: 16×Triac Out, 85–253V AC, 47–63Hz, 4×4 Group Isolation, Conformal Coated, Fused, With Diagnostic

  • Application: 115/230V AC loads, motors, heaters, lighting, offshore, chemical, pulp & paper, high humidity, salt mist, corrosive atmosphere

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2. Electrical Specifications

Outputs (16 × Triac, 85–253 V AC, 4×4 Groups)

  • Output Type: Solid‑state (triac), zero‑crossing

  • Operating Voltage: 85–253 V AC

  • Nominal Voltage: 115 / 230 V AC

  • Frequency: 47–63 Hz

  • Load Current (per channel):

    • 85–132 V AC: 4 A RMS max

    • 170–253 V AC: 3 A RMS max

  • Total Module Current: 16 A RMS max (continuous)

  • Surge Current (per channel):

    • 10 A (3 cycles)

  • Off‑State Leakage Current:

    • 115 V AC: < 2 mA RMS

    • 230 V AC: < 2.5 mA RMS

  • On‑State Voltage Drop: ≤ 1.5 V RMS

  • dv/dt Rating: 400 V/μs

  • Isolation: 2500 Vrms, 1 min (group‑to‑group & group‑to‑bus)

  • Absolute Maximum Output:

    • 300 Vrms (10 s AC)

    • 400 Vrms (1 cycle AC)

Backplane & Power

  • Backplane Current: 350 mA

  • Power Dissipation: ~8.0 W max (formula: 1.85 + 1.1 × total load current)

  • Internal Power: Powered by Quantum backplane

Fusing & Diagnostics

  • Fused: 5 A per group (on‑board, replaceable)

  • Diagnostics: Blown fuse / loss of field power

  • Fault LED: Red “F” (fuse/field power fault)


3. I/O & LED Indicators (Front)

  • OUT0 … OUT15 (Green LEDs) – Individual output status (ON = lit)

  • ACTIVE (Green LED) – Bus communication OK

  • F (Red LED) – Fault (blown fuse / field power loss)


4. Environmental Specifications (Coating Enhanced)

  • 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

  • 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)

  • Output Grouping: 4 groups × 4 ch (common per group)

  • Field Wire Size: 0.5 … 2.5 mm² (20–14 AWG)


6. Wiring & Connection

Outputs

  • Common: Common per group (4 groups)

  • Output: Switch 85–253 V AC between common and output terminal (per channel)

  • Fuse: 5 A / group (internal, replaceable)

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

  • Polarity: AC, no polarity sensitivity


7. Software Configuration

Supported software:
  • Unity Pro (recommended)

  • Concept v2.2+

  • ProWORX 32

Configuration:
  1. Add 140DAO84210C (1 slot) to I/O map

  2. Default output address: %Q0 … %Q15 (1 word)

  3. Enable fault diagnostics (fuse/field power)

  4. Download to CPU


8. Troubleshooting

  • All OUT LEDs OFF: Check backplane, module seating, or ACTIVE LED

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

  • F (Red) ON: Blown group fuse or loss of field power

  • OUT LED ON but load not energized: Check field wiring, load, or group fuse

  • Erratic Operation: Poor grounding, noise, or overvoltage

  • 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

  • 140DAO84210: Standard non‑coated, 16×Triac 85–253V AC, 4×4 Group, Fused / With Diagnostic (general environment)

  • 140DAO84210C: Conformal coated, 16×Triac 85–253V AC, 4×4 Group, Fused / With Diagnostic (harsh environment)


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