1. Introduction

• Function: 16‑ch isolated digital input, 24V DC field signals

• Compatibility: T9100 6U chassis, T9110/T9300 controllers, T9833 FTA

• Safety: IEC 61508 SIL 3, TÜV certified

• Architecture: Single, dual, or triple (TMR) configurable

• Isolation: Optical isolation per channel (field ↔ backplane)

• Scan Times: 0.924 ms / 1.676 ms / 2.453 ms (configurable)

2. Product Overview

Key Features

• 16 channels, individually optically isolated

• 24V DC nominal input (0–32V DC range)

• Backplane power: 18–32V DC, 260 mA max

• Low power: ~4 W typical

• Three scan rates for different response‑time needs

• Comprehensive diagnostics: Open/short circuit detection, line monitoring

• Hot‑swap: Safe to remove/replace online (no system shutdown)

• TMR capable: With T9833 FTA, supports triple‑modular redundancy for SIL 3

• LED status: Per‑channel + module health LEDs on front panel

Common Applications

• Emergency Shutdown (ESD) systems

• Fire & Gas (F&G) detection systems

• Burner Management Systems (BMS)

• Safety interlocks for process, power, oil & gas

• High‑availability discrete input monitoring

3. Specifications

3.1 Electrical

• Input Channels: 16, isolated (optical)

• Input Voltage: 24V DC nominal, 0–32V DC range

• Input Current: ~2 mA per channel (ON state)

• Backplane Voltage: 18–32V DC

• Backplane Current: 260 mA max

• Power Consumption: 4 W max

• Scan Times: 0.924 ms / 1.676 ms / 2.453 ms

• Isolation Voltage: 500V DC (field ↔ logic)

3.2 Mechanical

• Form Factor: Single‑width, 6U, T9100 chassis

• Dimensions (H × W × D): ~110 × 31 × 180 mm

• Weight: ~0.3 kg

• Mounting: Hot‑swap, snap‑fit into T9100 slot guides

• Front Panel: Channel LEDs (1–16), RUN/FAULT LEDs

• Color: Dark gray (RAL 7021)

3.3 Environmental

• Operating Temperature: –40 °C to +70 °C

• Storage Temperature: –40 °C to +85 °C

• Humidity: 5–95 % RH, non‑condensing

• Vibration: 10–57 Hz ±0.10 mm; 57–150 Hz 1.5 g

• Shock: 20 g, ½ sine, 11 ms

3.4 Safety & Compliance

• Safety Integrity: IEC 61508 SIL 3 (TÜV certified)

• Approvals: CE (EMC), UL, TÜV, CCC

• Hazardous Area: Class I, Div 2, Groups A–D (North America)

• EMI: EN 61000‑6‑2, EN 61000‑6‑4

4. Installation & Wiring

1. Slot Selection: Insert into any T9100 slot (1–12); align guides, push until latched.

2. FTA Connection: Attach T9833 FTA to module front (field wiring via FTA terminals).

3. Field Wiring: Connect 24V DC discrete devices to FTA terminals (CH1–CH16, COM).

4. Hot‑Swap: Remove/replace while chassis is powered; system auto‑detects module.

5. Configuration: Use AADvance Workbench to set scan time, channel logic, diagnostics.

5. Ordering Information

• T9402: AADvance Digital Input Module, 24V DC, 16‑Ch, Isolated

• T9833: AADvance FTA for T9402 (triple‑mode terminal assembly)

• T9100: AADvance 6U/12‑slot safety chassis

• T9110: AADvance safety processor module