Schneider 140DAO84220 AC Digital Output Module
May 16, 2026

Schneider 140DAO84220 AC Digital Output Module

140DAO84220 Modicon Quantum AC Discrete Output Module

Description

140DAO84220

Modicon Quantum AC Discrete Output Module

16 Outputs, 20–56 V AC, 47–63 Hz, Triac, Standard Non‑Coating, Fused, With Diagnostic

English Specification Manual (Full Text)


1. General Description

140DAO84220 is a 1‑slot standard low‑voltage 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 low‑voltage AC applications (24/48 V AC) 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), Standard Non‑Coating, 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: Standard non‑conformal coating

  • Weight: ~0.45 kg

  • Key Feature: 16×Triac Out, 20–56V AC, 47–63Hz, 4×4 Group Isolation, Fused, With Diagnostic

  • Application: 24/48V AC loads, contactors, small motors, solenoids, industrial machinery requiring low‑voltage AC control


2. Electrical Specifications

Outputs (16 × Triac, 20–56 V AC, 4×4 Groups)

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

  • Operating Voltage: 20–56 V AC

  • Nominal Voltage: 24 / 48 V AC

  • Frequency: 47–63 Hz

  • Load Current (per channel):

    • 20–56 V AC: 4 A RMS max

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

  • Surge Current (per channel):

    • 45 A (1 cycle)

    • 30 A (3 cycles)

    • 25 A (10 cycles)

  • Off‑State Leakage Current: < 2 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: 60 Vrms (continuous)

Backplane & Power

  • Backplane Current: 350 mA

  • Power Dissipation: ~8.0 W max

  • 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

  • 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)

  • 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 20–56 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 140DAO84220 (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


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

  • 140DAO84220: Standard non‑coated, 16×Triac 20–56V AC, 4×4 Group, Fused / With Diagnostic (general environment, low‑voltage AC)

  • 140DAO84220C: Conformal coated version (harsh environment)


Get a Quote