TRICONEX DI3301 Digital Input Module

TRICONEX DI3301 Digital Input Module

Description

DI3301 is a digital input module for Triconex Tricon fault-tolerant safety control systems. Matched with supporting DI baseboards, it collects 24VDC dry and wet contact switching signals from field sites, and feeds back discrete on-off signals such as valve positions, equipment operating status and emergency stop contacts. It is widely deployed in SIS safety interlock monitoring for petrochemical, power plant and natural gas pipeline industries.

Adopting a triple modular redundant fault-tolerant architecture, this module delivers millisecond-level high-speed signal response to accurately identify contact on/off status. It is equipped with full-channel fault diagnosis to detect open or short circuits promptly. With a standard form factor compatible with system racks, it allows easy wiring and maintenance. It operates stably under harsh industrial electromagnetic environments to guarantee reliable transmission of safety interlock signals.

Features

Dedicated digital input module for Tricon systems, compatible with matching DI baseboards

Supports acquisition of 24VDC dry and wet contact signals with millisecond-level fast response

TMR triple redundant fault-tolerant design compliant with industrial functional safety standards

Full-channel circuit self-diagnosis to report open and short circuit faults in real time

Captures discrete interlock signals including equipment switches, valves and emergency stops

Standard rack-mounted design for seamless compatibility with other Tricon series hardware

Industrial anti-interference circuitry suitable for harsh chemical and power plant sites

Technical Specifications