1. Introduction

2. Main Features

• 8 independent analog input channels

• Standard signal: 4–20mA

• Each channel galvanic isolated

• Support TMR / Dual / Simplex system configuration

• Full per-channel diagnostics: open circuit, short circuit, over range, under range

• Module level self-test and fault indication

• Hot-swap support without system shutdown

• Conformal coated standard, suitable for harsh industrial environment

• Match dedicated FTA: T9831

3. Technical Specifications

Electrical

• Number of channels: 8

• Input signal: 4–20 mA

• Input resistance: 125 Ω

• Resolution: 16 bit

• Accuracy: ±0.05% FS typical

• Isolation: 500 VDC channel to system, channel group isolated

• Backplane supply: 18–30 VDC

• Power consumption: Max 3.5 W

Mechanical

• Form: Single width 6U module for T9100 chassis

• Installation: Any slot of T9100 chassis

• Hot swap: Supported

• Matching FTA: T9831

Environmental

• Operating temperature: -40 ℃ ~ +70 ℃

• Storage temperature: -40 ℃ ~ +85 ℃

• Humidity: 5%～95% RH non-condensing

• Vibration and shock: Meet AADvance industrial standard

Safety & Certification

• Safety: IEC 61508 SIL 3

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

4. Front Panel Indicators

• PWR Green: Module power normal

• RUN Green: Module running normally

• FAULT Red: Module fault or channel alarm

• CH1～CH8 Status: Channel signal / fault indication

5. Installation & Wiring

• Insert module freely into vacant slot of T9100 chassis

• Connect front FTA T9831

• Field 4–20mA transmitters connect to T9831 terminal screws

• Shielded twisted pair recommended for analog signal cable

• Supports online replacement (hot swap)

6. Ordering Information

• T9431: 8CH 4–20mA Analog Input Module

• T9831: Dedicated FTA Terminal Assembly for T9431

• T9100: AADvance System Chassis

• T9110: AADvance Safety Processor