Products Description
ICS TRIPLEX T9481 Analog Output Module

Technical Specifications
Model:T9481
Brand:ICS TRIPLEX
Product type:AADvance 8-channel analog output module
System series:AADvance SIS
Bus type:Triple redundant backplane bus
Redundancy:Supports simplex,dual and TMR triple modular redundant configuration
Output channels:8 analog output channels
Signal range:4~20mA,0~10V selectable
Resolution:15-bit
Accuracy:±0.1% full scale
System supply:18~32VDC
Scan time:0.981ms (simplex)
Galvanic isolation:Channel group isolation
Operating temperature:-20~+60℃
Relative humidity:5~95% non-condensing
Weight:0.31kg
Certification:CE,TÜV,SIL3
System compatibility
T9481 belongs to ICS TRIPLEX AADvance safety instrumented system and installs in AADvance rack. It receives digital safety control commands from AADvance processor and converts digital signals into 4-20mA or 0-10V analog signals to drive control valves and positioners. Widely deployed in oil & gas,petrochemical and power plants for ESD and fire & gas safety applications.
Function
T9481 serves as high integrity 8-channel analog output unit of AADvance SIS. It executes analog control output commands and supports TMR 2oo3 hardware voting. Each channel continuously monitors wiring open circuit,short circuit and signal load fault.
Installation
Insert T9481 vertically into dedicated I/O slot of AADvance rack. Wire field valve positioners to matched FTA terminal assembly. Verify output signal and fault diagnostics via AADvance Workbench engineering software.
Interface
‑Gold finger connector for triple redundant backplane bus
‑Field termination interface for 8-channel analog output wiring
‑Front panel LED indicators for run,alarm and channel fault status
‑Onboard DAC conversion and channel 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
T9481 is spare 8-channel analog output board for ICS TRIPLEX AADvance SIS. Common faults include output channel damage,field wiring open/short circuit and backplane communication fault. Confirm rack firmware compatibility before replacement.
Diagnostic
When wiring fault,load error or onboard hardware failure is detected,the module triggers fault alarm and uploads diagnostic messages to safety workstation.

Built‑in function
Field analog 4-20mA / 0-10V signal output,per-channel load & wiring fault monitoring and TMR signal voting for AADvance SIS rack,used as SIS analog output spare replacement.
Product Brief
T9481 is ICS TRIPLEX SIL3 AADvance 8-channel analog output module,used to output precision analog control signals to valve positioners in safety instrumented system. Verify system firmware compatibility before ordering. ESD anti-static protection must be followed during handling installation.