ICS TRIPLEX T9451 Digital Output Module

Technical Specifications

Model:T9451

Brand:ICS TRIPLEX

Product type:AADvance 8-channel 24VDC digital output module

System series:AADvance SIS

Bus type:Triple redundant backplane bus

Redundancy:Supports simplex,dual and TMR triple modular redundant configuration

Field output:24VDC,8 independent channels

Per channel continuous current:1A

System supply:18~32VDC

Galvanic isolation:Channel group isolation

Scan time:1.174ms

Protection:Per-channel electronic short-circuit protection

Operating temperature:-20~+60℃

Relative humidity:5~95% non-condensing

Weight:0.42kg

Certification:CE,TÜV,SIL3

System compatibility

T9451 belongs to ICS TRIPLEX AADvance safety instrumented system and installs in AADvance rack. It receives safety trip commands from AADvance processor and outputs 24VDC discrete signals to drive field safety relays and solenoid valves. Widely deployed in oil & gas,petrochemical and power plants for ESD and fire & gas safety applications.

Function

T9451 serves as high integrity 8-channel 24V digital output unit of AADvance SIS. It executes safety output commands and supports TMR 2oo3 hardware voting. Each channel continuously monitors open circuit,short circuit and overload wiring faults.

Installation

Insert T9451 vertically into dedicated I/O slot of AADvance rack. Wire field solenoid and relay wiring to matched FTA terminal assembly. Verify output status and fault diagnostics via AADvance Workbench engineering software.

Interface

‑Gold finger connector for triple redundant backplane bus

‑Field termination interface for 8-channel 24VDC digital output wiring

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

‑Onboard TMR output control,short-circuit protection 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

T9451 is spare 8-channel 24VDC digital output board for ICS TRIPLEX AADvance SIS. Common faults include output channel burnout,field wiring open/short circuit and backplane communication fault. Confirm rack firmware compatibility before replacement.

Diagnostic

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

Built‑in function

Safety discrete 24VDC signal output,per-channel short-circuit & wiring fault monitoring and TMR signal voting for AADvance SIS rack,used as SIS digital output spare replacement.

Product Brief

T9451 is ICS TRIPLEX SIL3 AADvance 8-channel 24VDC digital output module,used to drive safety relays and solenoid valves in safety instrumented system. Verify system firmware compatibility before ordering. ESD anti-static protection must be followed during handling installation.