TRICONEX 3902AX High-Availability Control Module
In critical systems like oil refineries or chemical processing plants, the TRICONEX 3902AX serves as the backbone for uninterrupted operations. This triple-redundant controller maintains process continuity even during hardware failures. I’ve seen it deployed in environments where downtime costs exceed $50k/hour – think offshore drilling platforms and gas turbine control systems.
Technical Specifications
Brand | TRICONEX |
Model | 3902AX |
Voltage | 24 VDC |
I/O Channels | 32 Input/32 Output |
Protocols | MODBUS/TCP, Ethernet/IP |


Application Scenarios
This module excels in environments where process continuity is paramount. We’ve supplied units for:
- Emergency shutdown systems (ESD) in offshore platforms
- Turbine control for combined cycle power plants
- Safety instrumented systems (SIS) in petrochemical facilities
- Pipeline monitoring systems across desert regions
Our inventory includes related TRICONEX components like 3008 power modules, 3703X communication cards, and 3511 I/O boards. Last month we supported a client in Saudi Arabia who needed a complete system rebuild within 72 hours – having 16 regional warehouses really makes a difference.
Our Support
When you purchase from us, you’re not just getting hardware. We provide:
- 12-month warranty covering both parts and labor
- Technical documentation including wiring diagrams and configuration guides
- Free diagnostics for suspected faulty units
Need immediate assistance? Contact Linda via:
Location: ABB-WORLD, 2-8 Golden Horse St, Tsim Sha Tsui, Hong Kong
*Actual pricing varies based on configuration and regional factors. Let me know your specific requirements for a tailored quote.
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