140DAO84220 Schneider Electric Low‑Voltage AC Output 16ch 20‑56V

Schneider Electric 140DAO84220 Low‑Voltage AC Output Module – 16 Channels 20‑56V AC with Group Isolation

Key Technical Specifications

• ◆ Brand & Series: Schneider Electric Modicon Quantum – 140DAO84220 belongs to the trusted Quantum family.
• ◆ Output Channels: 16 discrete AC outputs in 4 isolated groups (4 channels per group).
• ◆ Output Voltage Range: 20‑56V AC, 47‑63Hz.
• ◆ Load Current: Up to 4A rms per output; group limit 4A rms continuous; module total 16A rms.
• ◆ Absolute Maximum Output: Withstands 100Vrms for 1 cycle, 63Vrms for 10s, or 111Vrms for 1.3s.
• ◆ Surge Capability: Per group: 45A for 1 cycle, 25A for 2 cycles, 30A for 3 cycles.
• ◆ Isolation & Protection: 4 groups of 4 channels (1000Vrms between groups). Internal RC filter and 5A fuse per group; dv/dt 400V/µs.
• ◆ Response Time: Ultra‑fast ≤0.5ms turn‑on and turn‑off.
• ◆ Diagnostics: 16 green output status LEDs, plus green Active LED and red Fault LED; blown fuse and loss of field power indication.
• ◆ Power & Weight: Bus current 350mA; dissipation 1.85W + (1.1V x total load current). Net weight 0.45kg (0.99lb).

Isolation, Environmental Tolerance & Compliance

• ◆ Group Isolation: Four groups of four outputs each, isolated to 1000Vrms, reducing noise coupling and simplifying wiring for low‑voltage AC applications.
• ◆ Wide Ambient Range: Certified for operation from 0°C to 60°C and storage from -40°C to 85°C, withstanding 95% relative humidity without condensation.
• ◆ EMC / Immunity: Meets IEC 801‑2/‑3 standards: 4kV contact / 8kV air discharge and 10V/m radiated immunity (80‑1000MHz).
• ◆ Approvals: UL 508, CSA C22.2 No 142, cUL, and FM Class 1 Division 2 suitable for hazardous locations.
• ◆ Altitude: Safe for installation up to 5000m (16404ft).

Frequently Asked Questions (FAQ)

• Q: What is the primary application for 140DAO84220?
  A: This module is ideal for controlling low‑voltage AC loads (20‑56V) such as solenoids, contactors, and indicators in industrial environments.
• Q: What are the per‑group and per‑module current limits?
  A: Each group supports up to 4A rms continuous, and the total module current must not exceed 16A rms.
• Q: How does the module indicate a blown fuse or loss of field power?
  A: The red Fault LED (F) illuminates, and specific group fault conditions are signalled via the front‑panel diagnostics.
• Q: What is the surge current capability per group?
  A: Each group can handle 45A for 1 cycle, 25A for 2 cycles, or 30A for 3 cycles, ensuring robust inrush handling.
• Q: Can I mix different AC voltages across the four groups?
  A: Yes, each group is isolated, so you can supply different voltages within the 20‑56V range to different groups.
• Q: Does the 140DAO84220 support fast‑switching applications?
  A: Absolutely. With ≤0.5ms turn‑on and turn‑off times, it suits high‑speed AC switching tasks.