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Triconex 3481S2 Digital Input Module

The Triconex 3481S2 digital input module is a core component of Invensys Triconex TMR safety instrumented system. It provides stable digital signal acquisition for critical industrial safety control systems, widely used in oil & gas, chemical and power industries.

Description
Product Description:

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Triconex 3481S2 is a professional digital input module developed for Tricon triple modular redundant (TMR) fault‑tolerant safety control systems. It is responsible for collecting digital status signals from field devices, supporting emergency shutdown systems (ESD), fire and gas monitoring and safety interlock protection.
Adopting TMR redundant architecture, the module features high safety integrity level, strong anti‑interference capability and stable long‑term operation in harsh industrial environments. It is fully compatible with Triconex 3000 series systems, easy for installation and maintenance.
We provide brand‑new original and fully tested refurbished Triconex 3481S2 modules, supporting fast delivery and global supply for industrial automation customers.
Technical Specifications:

Basic Info

  • Model: Triconex 3481S2

  • Brand: Triconex (Invensys)

  • Type: Digital Input Module

  • System: TMR Safety Instrumented System (SIS)

  • Compatibility: Tricon 3000 Series

Environmental Specs

  • Operating Temperature: 0℃ ~ 60℃

  • Storage Temperature: -40℃ ~ 85℃

  • Humidity: 5%–95% non‑condensing

  • Mounting: Rack‑mounted

Condition

Original New / Refurbished & Tested


Product Features&Advantages:

Features

Triconex 3481S2 adopts TMR triple modular redundant fault tolerant design

Accurate digital signal acquisition for industrial safety control

Strong anti interference performance for complex working conditions

Standard rack mount structure, easy installation and wiring

Perfect compatibility with Triconex safety control platform

Advantages

High safety level, suitable for high risk industrial process control

Stable signal input, low failure rate to reduce production downtime

Multiple supply options: original new or cos effective refurbished

Complies with strict industrial safety standards

 

Triconex 3481S2 Digital Input Module

Triconex 3481S2 Digital Input Module

Application fields:
Triconex 3481S2 is widely used in industrial safety instrumented systems and process automation:
  • Oil & Gas, Offshore Platforms

  • Petrochemical & Chemical Plants

  • Thermal Power Generation

  • Coal Chemical & Energy Industry

  • Metallurgy, Mining, Pharmaceutical Manufacturing

  • SIS, ESD, Fire & Gas Safety Monitoring Systems


Do you provide global shipping services?

Yes. We have local distribution centers on all continents, which can quickly transport parts to any corner of the world.

2. What payment methods and currencies do you accept?

To make your purchasing process as simple as possible, we offer multiple payment methods including bank transfer, check, and PayPal. Meanwhile, we also accept most mainstream credit and debit cards, such as Visa, Mastercard, and American Express. We can accept payments in most major currencies worldwide, but we recommend using US dollars (USD), British pounds (GBP), or euros (EUR) as a priority. Payments in other currencies may incur additional fees. All transactions are securely processed by HSBC Bank and HSBC Merchant Services.

How many parts do you currently have in stock?

We have a vast inventory of thousands of new, refurbished, and outdated automation components, including products from well-known manufacturers such as ABB and Schneider. If you cannot find the required parts, please do not worry. We work closely with a global network of professional suppliers to provide you with tailored quotes even if the part is not listed on our website.

Who can I contact if I encounter any problems?

Our experienced customer service team will handle any issues after you place your order.

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Guangzhou Qiming Automation Technology Co., Ltd
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Road, Tianhe District, Guangzhou City
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