TRICONEX DI3301S2

1. Overview

The TRICONEX DI3301S2 is a digital input module designed for industrial control systems, featuring Triple Modular Redundancy (TMR) technology. It complies with the IEC 61508 standard and meets SIL 3 safety requirements. Its primary function is to collect switch signals from field devices while ensuring signal reliability and safety through isolation technology, protecting the control system from interference.

2. Key Parameters

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3. Product Features

• High Safety
  • TMR (Triple Modular Redundancy) ensures continued operation even if components fail.
  • Complies with IEC 61508 and SIL 3 for reliable safety in hazardous environments.
• High Reliability
  • Modular design for easy maintenance and expansion, compatible with other Triconex safety modules.
• Fast Response
  • Input delay <10ms, ideal for time-critical applications.
• Anti-Interference
  • High isolation voltage and strong electromagnetic compatibility (EMC) for stable performance in harsh conditions.
• Ease of Use
  • User-friendly interface and flexible configuration simplify installation and debugging.

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4. Structure and Components

The TRICONEX DI3301S2 consists of:

• Input Channels: Supports multiple signal types (e.g., dry contact, pulse, analog) with independent isolation.
• Redundancy: TMR architecture ensures functionality despite partial failures.
• Communication Interface: Compatible with TRICONEX system protocols for seamless integration.
• Enclosure: Robust design with IP65 (or higher) protection for harsh environments.

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5. 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.

Industrial Automation Spare Parts Specialist

Rare Models · Lightning-Fast Delivery · Worry-Free After-Sales

Why Choose Us?

No More Industry Pain Points — Say goodbye to:

Discontinued parts -Long lead times- Unreliable quality

We Specialize In:

Rare & Discontinued Modules — Hard-to-find DCS cards, legacy PLCs, custom servo drives

72-Hour Rush Delivery — 90% common parts in-stock (China warehouse) + direct OEM sourcing (EU/US)

Military-Grade QC — Power-on testing + aging tests (+3 extra steps vs. OEM standards)

Flagship Inventory (Partial Showcase)

Discontinued Gems: Siemens S5 CPUs, ABB Bailey cards, Mitsubishi Q-series PLCs

Mission-Critical Replacements: Turbine control cards (GE/Siemens), nuclear safety barriers

Fast-Ship Hits: Servo motors (Yaskawa/Panasonic), HMI panels (Proface/Beijer)

4 Unbeatable Promises

“Parts Hunter” Service: Global sourcing for legacy equipment retrofits

“Module ER”: Free fault diagnosis + precision replacement matching

Price Lock Guarantee: Contract clients get fixed annual pricing

Beyond Standard After-Sales:

• 30-day warranty (critical parts)
• Lifetime free technical support

Trusted Scenarios

Blast furnace control emergency repairs (steel plants)

 Decade-old DCS maintenance (power plants)

 Imported servo drive localization (tire production lines)

 Global spare parts logistics (marine automation systems)

Need a Lifesaver for Your Machines? Contact us now!

 Collaborative brands

ABB 丨 GE 丨Allen Bradley  丨  Honeywell 丨   Emerson  丨  Bently Nevada   丨 Westinghouse  

Triconex  丨   Foxboro 丨   ICS Triplex  丨  Hima  丨  Schneider 丨  Yokogawa  丨 Woodward

Sales Manager : Jinny

Email : sales5@xrjdcs.com

Whatsapp/Mobile:+86 15359273791

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（PLC）Programmable Logic Controller

GE :IS210AEPSG2B,IS220UCSAH1A,IS215ACLEH1A,IS210AEAA

Allen-Bradley:1734-IB8 1734-OB8  1769-L18ER-BB1B  1756-IM16I

ICS Triplex   : T8461,T8850,T8403,T8431,T8831,T8310

Schneider : 140DDI85300,140CPS11420,140CPU67060

Prosoft : MVI46-DFNT,MVI69-DFNT,MVI56-PDPMV1

Bachmann : MPC240/270(CPU),DI232,CM202,NT255AIO288

Woodhead : 9905-068 2301A,SSTESR2CLXRLL

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For more TRICONEX products, please click here

TRICONEX is a global leader in Safety Instrumented Systems (SIS), delivering mission-critical solutions for high-risk industries including oil & gas, refining, petrochemicals, and power generation. The company’s product portfolio features TÜV Rheinland SIL3-certified safety control platforms, such as:

• Tricon: Triple Modular Redundant (TMR) architecture for SIL1-3 applications
• Trident: Compact SIL3-certified platform
• Tri-GP: Cost-optimized TMR solution supporting up to SIL2

To enable end-to-end safety ecosystems, TRICONEX offers advanced software tools:

• Safety View™: Intelligent bypass & alarm management
• Safety Validator™: Automated logic testing & documentation generation
• System Advisor™: Configuration management, change tracking, and I/O monitoring

A standout innovation is the EcoStruxure™ Triconex Safety System, a core component of the EcoStruxure Plant Architecture, which delivers lifecycle safety management to protect personnel, ensure operational continuity, and maximize asset ROI.