ICS TRIPLEX T9431 Analog Input Module

Technical Specifications

Model:T9431

Brand:ICS TRIPLEX

Product type:AADvance 8-channel analog input module

System series:AADvance SIS

Bus type:Triple redundant backplane bus

Redundancy:Supports TMR triple modular redundant configuration

Input channels:8 isolated analog channels

Signal range:0~24mA,4~20mA standard transmitter signal

Resolution:15-bit

Sample update interval:6ms

Power dissipation:3.3W

Galvanic isolation:Channel group isolation

Self-test interval:<1 hour

Operating temperature:-20~+60℃

Relative humidity:5~95% non-condensing

Weight:0.28kg

Certification:CE,TÜV,SIL3

System compatibility

T9431 belongs to ICS TRIPLEX AADvance safety instrumented system and installs in AADvance rack. It receives analog current signals from field pressure,temperature and level transmitters,converts analog signals to digital data and transmits triplicated data to safety controller. Widely deployed in oil & gas,petrochemical and power plants for ESD and fire & gas safety applications.

Function

T9431 serves as high integrity 8-channel analog input unit of AADvance SIS. It samples 4-20mA analog process signals and supports TMR 2oo3 hardware voting. Each channel continuously monitors wiring fault,open circuit and signal overrange.

Installation

Insert T9431 vertically into dedicated I/O slot of AADvance rack. Wire field transmitters to matched FTA terminal assembly. Verify channel reading and fault diagnostics via AADvance Workbench engineering software.

Interface

‑Gold finger connector for triple redundant backplane bus

‑Field termination interface for 8-channel analog input wiring

‑Front panel LED indicators for run,alarm and channel fault status

‑Onboard analog signal sampling and diagnostic circuit

Circuit feature

Compact rugged PCB design,built-in surge protection. Group isolated design reduces cross-channel interference,fully compliant with SIL3 functional safety hardware specifications.

Feature

T9431 is spare 8-channel analog input board for ICS TRIPLEX AADvance SIS. Common faults include input channel damage,field wiring open/short circuit and backplane communication fault. Confirm rack firmware compatibility before replacement.

Diagnostic

When wiring fault,signal overrange or onboard hardware failure is detected,the module triggers fault alarm and uploads diagnostic messages to safety workstation.

Built‑in function

Field 4-20mA analog signal acquisition,per-channel signal range & wiring fault monitoring and TMR signal voting for AADvance SIS rack,used as SIS analog input spare replacement.

Product Brief

T9431 is ICS TRIPLEX SIL3 AADvance 8-channel analog input module,used for collecting process analog signals from field transmitters in safety instrumented system. Verify system firmware compatibility before ordering. ESD anti-static protection must be followed during handling installation.