Product Details:

TRICONEX 3503E is a 32-channel TMR digital input module designed for Triconex Tricon safety instrumented system (SIS). This TMR safety I/O module adopts triple modular redundancy architecture with three independent signal processing channels and 2-out-of-3 voting logic. It collects 24VDC discrete field signals from limit switches, push buttons, proximity sensors and dry contacts, and transmits valid digital status to the Tricon main controller. Each input channel supports optical isolation to block electrical interference from field circuits. Built-in comprehensive channel diagnostics continuously detect open circuit, short circuit and internal hardware faults, automatically reporting fault information to the Tricon engineering station. The module supports hot swap operation, technicians can replace the faulty module online without shutting down the whole safety system. Front panel LED indicators display channel status, module health and fault alarms for fast on-site troubleshooting. It complies with SIL3 safety integrity level requirements, and can be installed in standard Tricon rack together with other Tricon controller and I/O modules. Widely used in oil & gas, petrochemical, chemical and power industries, this TRICONEX 3503E digital input module serves for ESD emergency shutdown, fire and gas monitoring and burner management safety control systems.

Specifications:

Manufacturer: TRICONEX (Schneider Electric)

Model: 3503E

Product Type: Tricon 32-channel Digital Input Module

System Compatibility: Tricon TMR Safety Instrumented System

Input Channels: 32 isolated digital input channels

Nominal Input Voltage: 24VDC, input range 20~30VDC

Architecture: Triple Modular Redundancy(TMR), 2-out-of-3 voting

Safety Level: SIL3 certified

Isolation: Optical isolation per channel

Diagnostics: Open circuit, short circuit and internal hardware fault detection

Feature: Hot swappable

Status Indicator: LED indicators for module health and each channel state

Mounting: Tricon rack plug-in

Operating Temperature: 0℃ ~ +60℃

Humidity: 5% to 95% non-condensing

Certifications: IEC61508, SIL3, CE