Products Description
ICS TRIPLEX T9803 Digital Input Field Termination Assembly

Technical Specifications
Model:T9803
Brand:ICS TRIPLEX
Product type:AADvance 16-channel TMR digital input field termination assembly
System series:AADvance SIS
Matching module:AADvance digital input I/O module
Mounting:DIN rail mounting
Input channels:16 digital input channels,TMR triple channel architecture
Nominal voltage:24VDC,operating range 18~32VDC
Per channel input current:5mA@24VDC
Isolation:2500VAC galvanic isolation between field and logic side
Protection:Onboard surge suppression for each signal group
Operating temperature:-20~+70℃
Relative humidity:5~95% non-condensing
Weight:0.72kg
Certification:CE,TÜV,SIL3
System compatibility
T9803 belongs to ICS TRIPLEX AADvance safety instrumented system,DIN rail mounted outside the main rack. It serves as field signal termination and conditioning unit for TMR AADvance digital input modules,collecting discrete status signals from field limit switches,valve position feedback and pressure switches. Widely deployed in oil & gas,petrochemical and power plants for ESD and fire & gas safety applications.
Function
T9803 serves as high integrity TMR digital input termination unit of AADvance SIS. It provides isolated terminal connection,surge protection and signal conditioning for 16-channel field discrete signals,optimized for TMR triple modular redundant safety configuration. It maintains channel signal integrity for 2oo3 voting.
Installation
Mount T9803 on standard DIN rail inside control cabinet. Wire field switch sensors to T9803 terminal blocks,connect signal cable from FTA to AADvance DI module. Verify signal quality and wiring fault via AADvance Workbench engineering software.
Interface
‑Field terminal blocks for 16-channel 24VDC digital input wiring
‑Signal output terminals to AADvance DI module
‑Onboard surge protection circuit
‑Screw type terminals for secure field wiring
Circuit feature
Rugged compact PCB design,built-in surge and overvoltage protection. TMR dedicated isolation architecture,fully compliant with SIL3 functional safety hardware specifications.
Feature
T9803 is spare TMR digital input field termination assembly for ICS TRIPLEX AADvance SIS. Common faults include surge damage,terminal loosening and wiring open/short circuit. Confirm DI module model before replacement.
Diagnostic
When wiring open circuit,short circuit or signal abnormality is detected,corresponding fault alarm will be displayed on matched DI module and uploaded to safety workstation.
Built‑in function
Field 24VDC discrete signal termination,TMR triple channel signal conditioning,surge protection and signal transmission for AADvance digital input module,used as SIS TMR DI FTA spare replacement.
Product Brief
T9803 is ICS TRIPLEX SIL3 AADvance 16-channel TMR digital input FTA,DIN rail mounted,specially designed for TMR redundant safety system,matched with AADvance DI modules for field safety switch signal termination. Verify system firmware compatibility before ordering. ESD anti-static protection must be followed during handling installation.