1. Introduction

• Function: Dual‑channel TMR safety relay output (electromechanical, SIL 3)

• Channels: 2 independent relay outputs (1NO / 1NC each, Form C)

• Coil Supply: 24 VDC ±10 % (18–30 VDC)

• Contact Rating: 5 A @ 250 VAC / 30 VDC (resistive)

• Safety: IEC 61508 SIL 3 (TÜV), CE, UL, CSA, ATEX, IECEx

• Architecture: 3‑2‑0 TMR, TriVote™ majority voting

• Diagnostics: Coil fault, contact wear, open/short, TMR mismatch

• Response Time: ≤ 5 ms (command to contact state)

• Hot‑swap: Supported (AADvance T9100 chassis)

• Operating Temp: –40 °C to +70 °C (conformal coated as standard)

2. Product Overview

• Dual independent relays: Two isolated Form C outputs for diverse safety loads.

• TMR voting: Three control slices ensure relay actuation only on 2‑of‑3 vote; single‑slice faults safe.

• High‑speed response: ≤ 5 ms for critical ESD/BMS trips.

• Comprehensive diagnostics: Coil continuity, contact state, wear estimation, TMR drift.

• Hot‑swap: Online replacement without safety loop shutdown.

• SIL 3 certified: Meets IEC 61508 SIL 3 for process safety.

• ESD solenoid valves (24 VDC / 120/240 VAC)

• Motor safety trip contactors

• Fire & gas suppression triggers

• High‑power alarm beacons/horns

• BMS fuel valve interlocks

3. Specifications

3.1 Mechanical

• Form Factor: T9100 chassis single‑width module, 6U

• Dimensions (H × W × D): 266 mm × 31 mm × 220 mm

• Weight: Approx. 0.95 kg

• Mounting: AADvance T9100 chassis slots 1–12

• Termination: T9850 FTA (Safety Relay FTA, screw terminals)

• Protection: Conformal coated (standard T9100‑F2)

3.2 Electrical

• System Supply: 18–30 VDC (nominal 24 VDC)

• Power Consumption: ≤ 8 W (both coils energized); ≤ 3 W (de‑energized)

• Relay Type: Electromechanical, TMR‑controlled

• Contact Configuration: 2 × (1NO / 1NC) Form C

• Contact Rating (Resistive):

  • 5 A @ 250 VAC

  • 5 A @ 30 VDC

• Contact Rating (Inductive): 3 A @ 250 VAC (cos φ = 0.4)

• Minimum Load: 50 mA @ 5 VDC (contact wear diagnostics)

• Mechanical Endurance: ≥ 150,000 operations

• Electrical Endurance: ≥ 75,000 operations (5 A @ 250 VAC)

• Isolation: 2500 VAC (coil ↔ system); 1500 VAC (contacts ↔ coil)

• Leakage Current (Off): < 0.5 mA @ 250 VAC

3.3 Functional

• Redundancy: TMR 3‑2‑0 fault tolerance

• Voting: TriVote™; relay energizes on 2‑of‑3 vote

• Channel Mapping: 2 independent safety relay channels

• Diagnostics:

  • Coil open/short detection

  • NO/NC contact mismatch monitoring

  • TMR slice mismatch & drift detection

  • Contact wear counter & estimation

  • On‑board BIST (self‑test every 30 seconds)

• Response Time: ≤ 5 ms (command to contact state)

• Fault Tolerance: Single‑slice or contact fault does not prevent safe trip

• Safe State: Relays de‑energized (NO open, NC closed) on fault/power loss

3.4 Environmental

• Operating Temperature: –40 °C to +70 °C (conformal coated)

• 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 wave, 11 ms

• Hazardous Area: ATEX / IECEx Ex ia IIC T4 Ga (with barriers)

3.5 Safety & Certification

• Safety Standard: IEC 61508 SIL 3 (TÜV Certified)

• Approvals: CE, UL, CSA, ATEX, IECEx, FM

• Fault Tolerance: TMR 3‑2‑0; single‑fault safe

• PFHd: < 3.0 × 10⁻⁹ / hour (SIL 3)

4. Front Panel Indicators

• PWR (Green): ON = module power healthy

• RUN (Green): ON = active; FLASHING = BIST/init

• FAULT (Red): ON = critical fault; FLASHING = minor fault

• COM (Green): FLASHING = backplane communication active

• RLY1 / RLY2 (Yellow): ON = relay energized (NO closed, NC open)

5. Installation

• Chassis: Insert into any vacant slot in AADvance T9100 chassis

• Hot‑Swap: Supported (T9100 SmartSlot)

• Front‑Panel Screws: Torque 0.8–1.0 Nm

• Termination: Connect to T9850 FTA (screw terminals for NO/NC)

• Environmental Note: Standard T9100‑F2 is conformal coated for harsh environments

6. Wiring

• Relay Contacts (NO/NC): To ESD valves, contactors, alarms (5 A max)

• Contact Voltage: Up to 250 VAC / 30 VDC (resistive)

• Coil Supply: 24 VDC from T9100 backplane (isolated)

• Isolation: Contacts 1500 VAC isolated from coil; coil 2500 VAC from system

• Wire Gauge: 14–18 AWG, stranded, Ex‑rated where needed

• Safety Note: Hazardous areas use approved IS barriers between contacts and field devices

7. Ordering Information

• T9100‑F2: Dual‑channel TMR safety relay module (–40 °C to +70 °C, coated)

• T9850: Dedicated safety relay FTA for T9100‑F2 (screw terminals)

• T9451: AADvance TMR processor module

• T9100: AADvance system chassis