1. General Description

2. Key Features

• 8 analog output channels, simplex (non‑redundant)

• Channel‑to‑channel isolation and backplane‑to‑field isolation

• Designed for direct use with T9481 (8‑Ch Analog Output Module, Simplex)

• Signal ranges: 4–20 mA (default), 0–20 mA, 0–10 VDC

• 1500 VDC isolation (backplane ↔ field, 1 minute withstand)

• Per‑channel ESD/surge protection and EMI filtering

• Screw terminals for field wiring (16 AWG max)

• Conformal coated PCB for harsh industrial environments

• Hot‑swap compatible (online replacement)

• SIL 2 certified per IEC 61508 (system level)

3. Electrical Specifications

Analog Output (per channel)

• Number of Channels: 8

• Redundancy: Simplex (non‑redundant)

• Isolation: Channel‑to‑channel & backplane‑to‑field isolated

• Current Ranges: 4–20 mA, 0–20 mA

• Voltage Range: 0–10 VDC

• Resolution: 12 bits

• Accuracy: ±0.1% of full scale (25 °C)

• Load Impedance (mA): ≤ 600 Ω

• Source Impedance (V): ≤ 100 Ω

• Loop Power: 24 VDC, external or internal

• Isolation Voltage: 1500 VDC (1 min)

Protection & Filtering

• Surge: TVS diode per channel

• EMI/RFI: Low‑pass filter per channel

• Fault Detection: Open/short‑circuit (via T9481 diagnostics)

Backplane Interface

• Supply Voltage: 18–32 VDC

• Maximum Current: 200 mA

• Power Dissipation: ≤ 2.5 W

4. Mechanical Specifications

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

• Dimensions (W × H × D): 132 mm × 42 mm × 22 mm

• Weight: Approximately 133 g

• Terminals: Screw‑type (field wiring, 6 mm strip length)

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

• Cooling: Natural convection

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

• Enclosure Rating: IP20

6. Safety & Approvals

• Safety Standard: IEC 61508

• Safety Integrity Level: SIL 2 (system‑level certified)

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

7. Compatibility & Ordering Information

Compatible Modules

• T9481: 8‑Channel Analog Output Module, Simplex

• T9300: 3‑Way I/O Base Unit

• T9100: AADvance System Chassis

Ordering Codes

• T9881: 8‑Ch Analog Output TA, Simplex, Isolated

• T9481: 8‑Ch Analog Output Module, Simplex

• T9300: I/O Base, 3‑Way

8. Typical Application

• SIL 2 safety instrumented systems

• Process control valve positioning

• 4–20 mA / 0–10 VDC analog actuators

• Indicator panels and recorders

• Non‑critical analog control loops