2. Key Features

• 16 isolated output channels, 24 VDC rated.

• Hot‑swappable design for online replacement without system shutdown.

• TMR (Triple Modular Redundancy) architecture, SIL 3 certified (IEC 61508).

• Overload/short‑circuit protection per channel.

• LED status indicators for power, fault, and individual channel state.

• Wide operating temperature: −40°C to +70°C.

3. Technical Specifications

• Model: T3441A

• Manufacturer: Rockwell ICS Triplex

• System Compatibility: Regent/Trusted T3 series control systems

• Input Voltage: 24 VDC ±10%

• Output Voltage: 24 VDC

• Output Current: 2 A per channel; 32 A total

• Isolation Voltage: 500 Vrms (channel‑to‑backplane)

• Power Consumption: 2.5 W (max)

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

• Storage Temperature: −40°C to +85°C

• Humidity: 5%–95% non‑condensing

• Shock: 30 g, 11 ms half‑sine

• Vibration: 5 g, 10 Hz–500 Hz

• Dimensions: 120 mm × 123 mm × 63 mm

• Weight: 0.5 kg

• Certifications: SIL 3 (IEC 61508), CE, UL

4. Installation & Wiring

4.1 Mechanical Installation

• Mount the module in a standard ICS Triplex T3 series rack (slot 0–15).

• Ensure proper grounding of the rack and module chassis.

• Allow ≥25 mm clearance around the module for ventilation.

4.2 Wiring

• Backplane Connector: Connect to the system backplane for power and communication.

• Field Terminals:

  • Positive (+24 VDC) and negative (GND) power for field devices.

  • 16 output channels (CH1–CH16) for device control.

• Cable Requirements: Use 18–22 AWG stranded copper wire; torque terminals to 0.8–1.0 N·m.

• Isolation: Separate field wiring from control wiring to avoid EMI.

5. Operation

5.1 Power‑Up

• Apply 24 VDC power to the rack; the “PWR” LED lights green.

• The module performs self‑diagnostics; the “FAULT” LED turns red if a fault is detected.

5.2 Normal Operation

• Channel Control: Outputs are switched ON/OFF via the control system logic.

• LED Indicators:

  • Green: Channel ON.

  • Off: Channel OFF.

  • Red: Channel fault (overload/short circuit).

5.3 Fault Handling

• Channel Fault: The module disables the faulty channel; the “FAULT” LED lights red. Replace the field device or check wiring.

• Module Fault: Communication failure or internal error. Check backplane connection or replace the module.

6. Maintenance

• Regular Inspection: Check LED status, wiring tightness, and module temperature monthly.

• Cleaning: Keep the module free of dust; use a dry cloth.

• Calibration: No periodic calibration required.

• Replacement: Use hot‑swap procedure: remove the faulty module, insert a new one, and verify operation.

7. Safety Precautions

• ESD Protection: Wear a grounded wrist strap when handling the module.

• Power Off Before Wiring: Disconnect power before connecting/disconnecting field wiring.

• Load Ratings: Do not exceed 2 A per channel or 32 A total current.

• Environmental Limits: Operate within −40°C to +70°C; avoid condensation.