1. General Description

2. Key Features

• 16 analog input channels, TMR triple modular redundancy

• Fully isolated per channel (field‑to‑backplane, channel‑to‑channel)

• Designed for direct use with T9433 (16‑Ch 4–20 mA Analog Input Module, TMR)

• Accepts standard 4–20 mA DC transmitters (2‑wire / 4‑wire compatible)

• Reinforced isolation: 1.5 kVDC field‑to‑backplane, 1 minute

• Integrated TVS surge suppression and EMI/RFI low‑pass filtering per channel

• Per‑channel diagnostics: open circuit, short circuit, overvoltage, ground fault

• Hot‑swap compatible (online replacement without system shutdown)

• Front‑panel LED status indicators for each channel (Run / Fault)

• Conformal coated PCB for harsh industrial environments

• Screw terminals for field wiring (16 AWG max)

• SIL 3 certified per IEC 61508 (system level, TÜV)

3. Electrical Specifications

Input

• Number of Channels: 16

• Redundancy: TMR (Triple Modular Redundancy)

• Signal Range: 4–20 mA DC

• Input Impedance: 125 Ω per channel

• Resolution: 16‑bit (matched to T9433)

• Accuracy: ±0.05% FS (system level)

• Transmitter Supply: 18–32 VDC (redundant from backplane)

Isolation

• Field to Backplane: ±1.5 kVDC, 1 minute, reinforced

• Channel to Channel: Isolated (no common ground)

Protection & Filtering

• Surge Protection: TVS diode per channel (24 VDC rating)

• EMI Filter: Low‑pass filter per channel (50/60 Hz rejection)

• Fault Detection: Open / short / overvoltage / ground fault

Backplane Interface

• Supply Voltage: 18–32 VDC (redundant)

• Maximum Current: 450 mA

• Power Dissipation: ≤ 6 W (20.5 BTU/h)

4. Mechanical Specifications

• Form Factor: Single‑width 6U Termination Assembly (AADvance standard)

• Dimensions (W × H): 132 mm × 126 mm (5.2 in × 5.0 in)

• Weight: Approximately 360 g (13 oz)

• Terminals: Screw‑type (field wiring)

• Mounting: T9300 3‑Way I/O Base or T9100 System Chassis

• Cooling: Conduction / natural convection (no fan required)

5. Environmental Specifications

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

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

• Humidity: 5% to 95% RH, non‑condensing

• Pollution Degree: PD2

• Protection: Conformal coated PCB

6. Safety & Approvals

• Safety Standard: IEC 61508

• Safety Integrity Level: SIL 3 (system‑level TÜV certified)

• Approvals: CE, UL, CSA, ATEX, IECEx, TÜV, CCC

7. Compatibility & Ordering Information

Compatible Modules

• T9433: 16‑Channel 4–20 mA Analog Input Module (TMR)

• T9300: 3‑Way I/O Base Unit

• T9100: AADvance System Chassis

Ordering Codes

• T9833: 16‑Ch Analog Input TA, TMR, Isolated

• T9433: 16‑Ch 4–20 mA Analog Input Module, TMR

• T9300: I/O Base, 3‑Way

• T9100: Chassis, AADvance System

8. Typical Application

• Emergency Shutdown (ESD) systems

• Fire and Gas (F&G) detection systems

• Burner Management Systems (BMS)

• Critical process monitoring and control

• SIL 3 safety instrumented loops requiring TMR fault tolerance