1. General Information

• Model: 140HLI34000

• Brand: Schneider Electric

• Series: Modicon Quantum

• Type: 16‑channel fast isolated discrete input with latch & interrupt

• Purpose: Capture fast events, generate hardware interrupts, time‑critical I/O

2. Key Features

• 16 isolated 24 VDC inputs (single‑slot)

• Ultra‑fast response:

  • OFF → ON: 130 µs

  • ON → OFF: 30 µs

• Latch function: Captures transient pulses until CPU reads them

• Interrupt function: Triggers immediate CPU interrupt on state change

• Opto‑isolation:

  • Channel‑to‑channel: 500 VAC / 60 s

  • Channel‑to‑backplane: 1780 VAC

• Reverse polarity protection (30 VDC)

• ESD protection: 4 kV contact, 8 kV air

3. Technical Specifications

Input Ratings

• Channels: 16

• OFF state: −3 VDC to +5 VDC

• ON state: +15 VDC to +30 VDC

• ON current: 2–8 mA/channel

• OFF current: ≤0.5 mA/channel

Timing

• Response: 130 µs (OFF→ON), 30 µs (ON→OFF)

• Latch resolution: ≤1 µs

Power & Environment

• Backplane power: 5 VDC, 400 mA max

• Operating temp: 0 °C to +60 °C

• Storage temp: −40 °C to +85 °C

• Humidity: 5–95 % non‑condensing

• Protection: IP20, no conformal coating

• Weight: ≈0.41 kg

4. Front‑Panel LEDs

• PWR (Green): Backplane power OK

• RUN (Green): Module active, communicating

• IN0–IN15 (Green): Input ON; flash = latched event

5. Application

• High‑speed pulse capture (e.g., encoders, counters)

• Critical alarm/interrupt inputs (safety, E‑stop)

• Sequence‑of‑events (SOE) for fast‑changing signals

• Machine automation, process control, power utilities

6. Compatibility

• CPU: Quantum 140CPUxxx series

• Software: Unity Pro / EcoStruxure Control Expert

• Backplane: Local Quantum backplane only (no distributed I/O)