ICS TRIPLEX T9402 Digital Input Module

Technical Specifications

Model:T9402

Brand:ICS TRIPLEX

Product type:AADvance 16-channel isolated digital input module

System series:AADvance SIS

Bus type:Triple redundant backplane bus

Redundancy:Supports TMR triple modular redundant configuration

Input:24VDC,16 isolated channels

Per channel input:6.5mA

Input voltage range:18~32VDC

Scan time:0.924ms

Galvanic isolation:Channel group isolation

Operating temperature:-20~+60℃

Relative humidity:5~95% non-condensing

Weight:0.36kg

Certification:CE,TÜV,SIL3

System compatibility

T9402 belongs to ICS TRIPLEX AADvance safety instrumented system and installs in AADvance rack. It collects digital status signals from field limit switches,pressure switches and valve position feedback sensors,transmits triplicated signal data to safety controller. Widely deployed in oil & gas,petrochemical and power plants for ESD and fire & gas safety applications.

Function

T9402 serves as high integrity 16-channel isolated digital input unit of AADvance SIS. It samples field discrete signals and supports TMR 2oo3 hardware voting. Each channel continuously monitors open circuit and short circuit wiring faults.

Installation

Insert T9402 vertically into dedicated I/O slot of AADvance rack. Wire field switch signals to terminal assembly. Verify channel status and fault diagnostics via engineering software.

Interface

‑Gold finger connector for triple redundant backplane bus

‑Field terminal interface for 16-channel 24VDC digital input wiring

‑Front panel LED indicators for healthy,ready and channel status

‑Onboard signal sampling and wiring diagnostic circuit

Circuit feature

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

Feature

T9402 is spare 16-channel isolated digital 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 loss or onboard hardware failure is detected,the module triggers fault alarm and uploads diagnostic messages to safety workstation.

Built‑in function

Field discrete 24VDC signal acquisition,per-channel wiring fault monitoring and TMR signal voting for AADvance SIS rack,used as SIS digital input spare replacement.

Product Brief

T9402 is ICS TRIPLEX SIL3 AADvance 16-channel 24VDC isolated digital input module,used for collecting safety switch and valve feedback signals in safety instrumented system. Verify system firmware compatibility before ordering. ESD anti-static protection must be followed during handling installation.