2025-06-13 BY
IN Company News

TRICONEX DI3301S2 Product Information

Product Description

The TRICONEX DI3301S2 is a high-density digital input module designed for safety-critical applications in industrial automation systems. It is part of the Triconex Safety Instrumented System (SIS) solutions and features Triple Modular Redundancy (TMR) to ensure high reliability and fault tolerance. This module is ideal for emergency shutdown systems, process safety monitoring, and other critical applications.

Product Parameters & Specifications

  • Channels: 32 (16×2 groups)
  • Nominal Input Voltage: 24 VDC
  • Operational Voltage Range: 15–30 VDC
  • Response Time: ≤10 ms
  • Input Impedance: >30 kΩ (without baseplate), 3 kΩ (with baseplate)
  • Isolation Voltage: 1500Vrms channel-to-system
  • Operating Temperature: -40°C to +70°C
  • Power Consumption: 2.5W typical
  • Dimensions: 200 mm x 100 mm x 120 mm
  • Weight: 1.42 kg
  • Certifications: SIL 3, IEC 61508, ATEX/IECEx

Series

The DI3301S2 belongs to the Triconex series, which is known for its high reliability and fault-tolerant design, particularly in safety-critical applications.

Features

  • Triple Modular Redundancy (TMR): Ensures continued operation even if one channel fails.
  • High Safety Integrity: Complies with IEC 61508 and SIL 3 standards.
  • Fast Response: Input delay of less than 10 ms, suitable for time-critical applications.
  • Robust Design: Suitable for harsh industrial environments with high isolation voltage and strong electromagnetic compatibility (EMC).
  • Hot-Swappable: Allows maintenance without system downtime.

Function

The DI3301S2 module provides reliable acquisition of discrete signals from field devices. It integrates seamlessly with Triconex’s TMR architecture, ensuring continuous operation through redundant signal processing paths.

Applications

The TRICONEX DI3301S2 is widely used in:
  • Oil & Gas: Safety monitoring in exploration, refining, and distribution.
  • Chemical Industry: Control systems for fertilizer, pesticide, and chemical production.
  • Power Industry: Critical safety applications in generation, transmission, and distribution.
  • Nuclear Plants: Reactor operation and waste management safety.
  • Railway Signaling: Train safety and signal control.
  • Building Automation: Safety monitoring and control systems.

Application Fields

  • Industrial automation
  • Safety-critical systems
  • Oil & gas
  • Chemical processing
  • Power generation
  • Nuclear plants
  • Railway signaling
  • Building automation

TRICONEX DI3301S2 Input Module: Advanced Process Control Solution