Description
UAD149A0011 is a high-performance digital input/output module designed for critical industrial automation and safety systems, proudly manufactured by
Invensys TRICONEX, a leader in safety-critical control solutions. This module serves as a vital component in redundant control systems, ensuring reliable data acquisition and process control in hazardous environments. With its advanced architecture,
UAD149A0011 supports seamless integration into TRICONEX’s Tricon platform, delivering precise monitoring and actuation for safety instrumented systems (SIS). Its rugged design and compliance with international standards make it ideal for industries requiring high availability and fault tolerance.
Parameter |
Specification |
Voltage |
24V DC (±10%) |
Current Consumption |
500mA (max) |
Input/Output Channels |
16 digital inputs / 16 digital outputs |
Interface |
Tricon Triple Redundancy (TMR) Bus |
Compatibility |
TRICONEX Tricon systems (e.g., Tricon CX) |
Operating Temperature |
-40°C to +70°C (industrial grade) |
Safety Rating |
SIL 3 (IEC 61508), PL e (ISO 13849) |

UAD149A0011
- Triple Redundancy (TMR Architecture): Eliminates single points of failure with three independent processing channels, achieving a mean time between failures (MTBF) of over 500,000 hours.
- High-Speed Response: Processes inputs/outputs in <10ms, critical for emergency shutdown (ESD) and safety interlock systems.
- Wide Environmental Tolerance: Operates in extreme temperatures and harsh conditions, certified for Class I, Div 2 hazardous locations.
- Integrated Diagnostics: On-board self-testing (BIST) and fault isolation reduce downtime; supports predictive maintenance.
- Case Study: In a petrochemical plant, UAD149A0011 enabled 99.999% system availability over five years, preventing 12 potential process upsets.
Industries: Oil & gas, chemical processing, power generation, automotive manufacturing.
Scenarios: Safety instrumented systems (SIS), emergency shutdown (ESD), fire and gas (F&G) control, machinery safety.
Case Example: A refinery in the Middle East integrated UAD149A0011 into its Tricon SIS to manage 500+ critical valves. The module’s redundancy and fast response time reduced unplanned shutdowns by 40%, saving $2M annually.
Compared to standard digital I/O modules, UAD149A0011 offers:
- Superior Redundancy: TMR architecture vs. dual or single-channel designs.
- Higher Safety Ratings: SIL 3 certification (vs. many SIL 2 alternatives).
- Longer Lifecycle: 15+ years of support (vs. 5–10 years for generic modules).
- Integrated Safety Features: Built-in surge protection and EMI/RFI immunity without add-on components.

UAD149A0011
- Compatibility: Ensure alignment with TRICONEX Tricon systems (check firmware version compatibility).
- Environment: Specify temperature/pressure ratings based on installation location (e.g., offshore vs. onshore).
- Scalability: Choose modules with the right channel count (16 I/O for moderate-scale systems; higher channels for larger plants).
- Budget: Balance upfront costs with long-term reliability (TMR modules reduce maintenance and downtime expenses).
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Installation: Follow TRICONEX’s ESD protection guidelines; use anti-static gloves.
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Configuration: Validate wiring diagrams against Tricon system documentation to avoid short circuits.
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Maintenance: Schedule annual health checks; replace modules every 10 years (per manufacturer recommendations).
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Software: Update firmware only with TRICONEX-approved tools to prevent compatibility issues.
山西鑫业达国际贸易有限公司 (Shanxi Xinyeda International Trade Co., Ltd.) is your trusted partner for
UAD149A0011 and other TRICONEX automation spares. We offer worldwide sales, technical support, and lifecycle management. Visit
www.xydcontrol.com or contact us for customized solutions tailored to your industrial needs.
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