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Triconex AI3351 S2 Analog Input Module with 12-bit Resolution and Triple Modular Redundancy

Triconex AI3351 S2 Analog Input Module with 12-bit Resolution and Triple Modular Redundancy

12-bit resolution Analog Input Module

Triple Modular Redundancy AI3351 S2 Module

Sub-millisecond scan time Triconex Module

Place of Origin:

USA

Brand Name:

Triconex

Model Number:

AI3351 S2

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Request A Quote
Product Details
Operational Current Range:
2–22 MA DC
Absolute Maximum Field Voltage:
33 V DC
Absolute Maximum Input Current:
50 MA DC
Source Impedance:
180 Ω
Resolution:
12 Bits
Scan Time:
<1 Ms For All 32 Points
Country Of Origin:
USA
Weight:
2.65 Kg
Highlight:

12-bit resolution Analog Input Module

,

Triple Modular Redundancy AI3351 S2 Module

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Sub-millisecond scan time Triconex Module

Payment & Shipping Terms
Minimum Order Quantity
1
Price
66USD
Packaging Details
Brand new and original
Delivery Time
2-3 work days
Payment Terms
T/T
Supply Ability
in stock
Product Description
Triconex AI3351 S2 Analog Input Module with 12-bit Resolution and Triple Modular Redundancy 0
The AI3351 S2 is a high-integrity analog input module engineered for the Triconex Trident system, functioning as a critical component in Triple Modular Redundancy (TMR) architectures. Unlike conventional I/O, this module utilizes three independent sensing paths that feed into a hardware-based voting logic, ensuring that a single point of failure within the internal circuitry never compromises the safety loop. It is a SIL 3-rated workhorse designed for mission-critical applications where process uptime is non-negotiable and false trips must be eliminated.
From a signal processing perspective, the S2 hardware revision is optimized for high-resolution 0-5 VDC analog-to-digital conversion, maintaining extreme precision even in electrically "noisy" environments. The module features robust common-mode rejection and sophisticated signal conditioning to filter out field-side interference that often plagues long cable runs. Each of its input channels undergoes continuous self-testing—probing for open circuits, field-side shorts, and out-of-range drifts—providing the logic solver with high-fidelity data and a high "safe failure fraction" (SFF) that meets the most stringent industrial safety standards.
Operationally, the AI3351 S2 is built for the "set-and-forget" requirements of harsh industrial sites, supporting full hot-swap capability to minimize Mean Time to Repair (MTTR). Technicians can replace modules while the system is live without disturbing the process or losing safety coverage. With its ruggedized physical build, it thrives in Class I Division 2 zones, offering the thermal stability and vibration resistance needed for offshore platforms or chemical refineries. This module isn't just an interface; it's a high-reliability gateway that maintains the deterministic execution of safety logic across the entire plant lifecycle.
Triconex AI3351 S2 Analog Input Module with 12-bit Resolution and Triple Modular Redundancy 1 
Triconex AI3351 S2 Analog Input Module with 12-bit Resolution and Triple Modular Redundancy 2
About Amikon Limited
Amikon Limited serves as a premier global distributor for high-end Industrial Automation Spares. We provide precise technical solutions for distributed control systems (DCS), programmable logic controllers (PLC), and large-scale servo architectures.
Component Portfolio
  • Prosoft Technology: Specializing in Allen Bradley communication modules
  • HIMA: Safety-instrumented systems (SIS) for critical protection
  • Yokogawa/Invensys: High-performance process automation components
  • Siemens Moore: Legacy APACS systems and Moore controllers
The Amikon Advantage
  • Direct Sourcing: Bypassing long lead times from traditional OEMs
  • Global Reach: Rapid logistics to North America, Europe, and SE Asia
  • Comprehensive Database: Access to thousands of rare part numbers
Procurement Support
Attn: Miya Zheng (Sales Dept.)
Mobile/WhatsApp: +86 180 2077 6792
Web Presence: Specialized Spares for ABB, GE, Triconex, and more
Triconex AI3351 S2 Analog Input Module with 12-bit Resolution and Triple Modular Redundancy 3
Streamlined Procurement Process
Inquiry & Pricing
Submit PN via email; receive a tailored quote within hours. Factory-direct pricing ensures competitive edge for bulk orders. Quote validity: 30 Calendar Days.
Quality & Inspection
Full 12-month warranty on all hardware. In-Stock Video Inspection: Available upon request to confirm product "New & Original" status.
Payment & Dispatch
Terms: 100% T/T Advance. Lead Time: Immediate warehouse release; ~5 days to destination via UPS/Aramex/FedEx.
Triconex AI3351 S2 Analog Input Module with 12-bit Resolution and Triple Modular Redundancy 4
Compatible Part Numbers
Part Number Part Number Part Number
7400221-100 PI2381 AI 3351 AO3481
DI 2301 7400208C-020 7400210-010 AI2351 4329
SDO3411 3805H 8311
7400209-010 AO2481 3501T DO3401
CM2201 7400206-100 7400209-030 DO2401 AI3351
AO 3481 PI3381 8310
SDO 3411 7400209-010 AO2481 3703E
DO 2401 DO2401 7400209-030 MP3101 3601E
DO2401 HS2 7400219-040 3636R 4352B
7400121-380 CM3201 S2 4119A

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