ICS TRIPLEX T3441A Digital Output Module

Technical Specifications

Model:T3441A

Brand:ICS TRIPLEX

Product type:TMR digital output module

System series:Trusted T8000 SIS

Bus type:Triple redundant parallel backplane bus

Compatible modules:Trusted processor boards,AI/DI input modules,backplane base units,redundant power supply

Redundancy:TMR triple modular redundant hot swap architecture

Power bus:5V DC,24VDC power supply

Operating temperature:0~+60℃

Relative humidity:5~95% non-condensing

Weight:4.90kg

Certification:CE,TÜV,SIL3

System compatibility

This output hardware belongs to ICS TRIPLEX Trusted SIS safety instrumented system and is installed inside Trusted rack cabinet. It receives safety interlock commands from TMR processor module and drives field solenoid valves and safety actuators. It communicates with system engineering workstation,widely used in oil & gas,petrochemical and chemical plants for ESD emergency shutdown and fire & gas safety protection.

Function

T3441A serves as the safety discrete control output unit of Trusted TMR SIS. It receives safety logic commands from the controller,outputs 24VDC on/off signals to field safety equipment. It continuously runs per-channel self-diagnosis to detect open circuit,short circuit and output drive hardware failure in real time.

Installation

Insert the module vertically into dedicated I/O slot of Trusted SIS rack. Complete field actuator wiring and backplane bus connection,verify channel output status and fault diagnosis via Trusted Workbench engineering software.

Interface

‑Gold finger connector for triple redundant backplane bus communication

‑Field digital output terminal block for solenoid valve connection

‑Onboard TMR voting and output driving circuit

‑LED indicators for channel running,alarm and fault prompt

Circuit feature

Conformal coated multi-layer PCB design,built-in surge and overvoltage protection circuit. Triple channel hardware voting design,fully compliant with SIL3 functional safety hardware specifications.

Feature

T3441A is a spare digital output board for ICS TRIPLEX Trusted SIS system. Common faults include output drive circuit damage,channel detection chip failure and field wiring fault. Confirm rack slot definition and firmware compatibility before replacement.

Diagnostic

When channel open circuit,short circuit or hardware breakdown is detected,the module will trigger fault alarm and upload diagnostic messages to safety workstation.

Built‑in function

Safety discrete control signal output and channel hardware self-diagnosis for Trusted TMR safety rack,used as SIS digital output spare replacement.

Product Brief

T3441A is ICS TRIPLEX Trusted SIL3 16CH digital output module,supporting TMR triple modular redundant architecture. Verify rack compatibility before ordering. ESD anti-static protection must be followed during handling installation.