Products Description
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.