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The T3419 is a 40-channel Triple Modular Redundant (TMR) Digital Input Module designed to interface with field sensors within a Trusted™ controller system. The module provides 40 isolated input points and is architected to meet Safety Integrity Level 3 (SIL 3) requirements. Each input channel is triplicated and processed through independent paths to ensure maximum fault tolerance and system availability.
TMR Fault Tolerance
Comprehensive Line Monitoring
SIL 3 Safety Integrity
Internal 2-out-of-3 (2oo3) voting logic is performed within the module to ensure that no single internal failure results in a loss of the safety function. The module incorporates comprehensive on-board diagnostics and line monitoring capabilities for the detection of field wiring faults, including open and short circuits. The T3419 supports Hot Replacement within the Trusted™ chassis, allowing for module exchange without process interruption or the need for system re-configuration.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
ICS Triplex T3419 Digital Input Module Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Oil and Gas
Applied in Emergency Shutdown (ESD) and Fire and Gas (F&G) systems to monitor field sensors in refineries and offshore platforms. The TMR architecture ensures high availability and safety integrity for critical protection loops.
Chemical Processing
Utilized in reactor control and toxic gas monitoring where fault-tolerant digital inputs are required to prevent hazardous excursions. It supports line monitoring to detect field wiring faults in volatile chemical environments.
Power Generation
Integrated into turbine control and burner management systems (BMS) for reliable monitoring of trip signals and status feedback. The SIL 3 rated integrity provides a high degree of confidence in automated safety sequences.
Nuclear Industry
Deployed in reactor protection systems and auxiliary safety controls to ensure precise signal processing via 2-out-of-3 voting. The module’s hot replacement capability allows for maintenance without compromising the safety function of the plant.
Water Treatment
Applied in large-scale desalination and wastewater treatment facilities to monitor critical flow and pressure status inputs. It provides robust fault detection for remote sensor networks to ensure continuous environmental compliance.
Marine Engineering
Used in dynamic positioning and vessel safety systems to monitor engine status and hull integrity sensors in marine environments. The ruggedized design handles the high vibrations and humidity typical of maritime and subsea operations.
The T3419 provides 40 discrete 24 Vdc digital input channels, each triplicated and processed through a specialized input circuit designed for high-availability requirements. The module architecture incorporates a Front-End Processor for each of the three internal slices, facilitating independent signal conditioning and asynchronous data sampling. This configuration supports a 1 ms Sequence of Events (SOE) resolution, allowing for precise chronological recording of state changes across all 40 points for post-trip analysis.
Field signals are interfaced via the redundant backplane to the module, where the input voltage is compared against predefined logic thresholds. The T3419 performs continuous background testing of the input circuitry, utilizing periodic pulse testing to verify the switching capability of the internal components without affecting the process state. Individual channel status is displayed via front-panel LED indicators, providing visual verification of "Field Power," "Module Health," and "Active" status.
What is the primary function and capacity of the ICS Triplex T3419 module?
The T3419 is a Trusted™ 40-channel Digital Input Module designed to interface with field sensors. It provides Triple Modular Redundant (TMR) processing for each input to ensure high integrity and fault tolerance in safety-critical applications.
How does the T3419 ensure fault detection for connected field devices?
The T3419 module performs continuous onboard diagnostics and supports line monitoring to detect open circuit and short circuit faults in field wiring. Faults are reported to the Trusted™ Controller and indicated via the front panel LEDs.
What are the input voltage ratings and threshold specifications for the T3419?
The T3419 operates with a nominal input voltage of 24V DC. It features programmable input thresholds and filtering times to accommodate different field sensor characteristics and minimize the impact of electrical noise.
Can the ICS Triplex T3419 be replaced while the system is under power?
Yes, the T3419 supports Hot Replacement (Hot Swap) within a Trusted™ Chassis. This allows a faulty module to be replaced without interrupting the process or affecting the integrity of the remaining TMR system.
What is the significance of the "TMR" architecture in the T3419 module?
The Triple Modular Redundant (TMR) architecture of the T3419 means each input signal is processed by three independent paths. A 2-out-of-3 voting logic is used to determine the final state, providing SIL 3 safety integrity.
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