Description
Product Overview
Triconex 8110 is a High Density Main Chassis designed for the Tricon Safety Instrumented System (SIS) platform. Manufactured by Triconex (now part of Schneider Electric), 8110 serves as the central hardware foundation of a Tricon controller system, providing the mechanical structure, redundant power distribution, TriBus communication backbone, and I/O module mounting capability required for high-integrity safety automation applications. As the primary chassis in a Tricon system, 8110 accommodates Main Processor modules, communication modules, power modules, and multiple I/O modules to build a complete fault-tolerant control architecture.
Triconex 8110 is engineered around the proven Triple Modular Redundancy (TMR) architecture, enabling continuous operation even when individual hardware components experience faults. The chassis provides triplicated communication paths between processors and I/O modules through redundant RS-485-based I/O expansion buses, ensuring reliable data exchange between the controller core and field interface modules. The high-density design allows efficient cabinet utilization while maintaining the safety and availability characteristics required for SIL-rated industrial systems.
Within the Tricon v9–v11 safety controller family, Triconex 8110 functions as the main system chassis where the control intelligence and safety logic execution hardware are installed. It is commonly deployed with Triconex 3008, 3009, power supply modules such as 8310/8311/8312, communication modules, and various digital and analog I/O modules. The chassis is widely used in oil and gas, petrochemical, power generation, and other industries requiring highly reliable Safety Instrumented Systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | 8110 |
| Manufacturer | Triconex (Schneider Electric / Invensys) |
| Product Type | High Density Main Chassis |
| System Platform | Tricon Safety Instrumented System (SIS) |
| Chassis Function | Main controller chassis and I/O module carrier |
| Architecture | Triple Modular Redundancy (TMR) |
| Processor Support | Supports three redundant Main Processor modules |
| I/O Module Capacity | Supports multiple Tricon I/O modules and communication modules |
| Communication Bus | Triplicated RS-485 I/O expansion bus |
| I/O Bus Speed | Approximately 375 kbps |
| TriBus Speed | 25 Mbps |
| Power Module Support | Dual redundant power modules |
| Expansion Capability | Supports Tricon expansion and remote chassis configurations |
| Operating Temperature | -40°C to +70°C |
| Humidity Range | 0–95% RH non-condensing |
| Mounting Type | Industrial control cabinet / rack mounting |
| Approximate Weight | 24.5 kg |
| Safety Certification | Supports SIL 3 safety applications |
8111
Main Features and Advantages
Triconex 8110 provides the structural and communication foundation required for building high-availability safety control systems. Unlike conventional PLC racks, 8110 is specifically designed for safety-critical applications where controller availability, fault tolerance, and deterministic operation are essential. Its architecture supports the full Tricon TMR concept, allowing the system to continue operation despite single-point hardware failures.
The most important feature of Triconex 8110 is its support for Triple Modular Redundancy technology. The chassis works together with three independent Main Processor modules, allowing each processor channel to independently execute control logic and participate in hardware voting. This architecture significantly improves system reliability and minimizes the risk of unsafe operation caused by internal component failures.
Triconex 8110 provides a high-density configuration that enables installation of multiple I/O and communication modules within a compact industrial chassis. This design helps reduce cabinet space requirements while allowing users to create scalable safety systems. The chassis can support various Tricon modules including digital input modules, analog input modules, digital output modules, analog output modules, pulse input modules, and communication interfaces.
The redundant communication structure of 8110 ensures dependable data transmission between the controller processors and field I/O modules. The chassis incorporates triplicated communication paths, improving system availability and allowing the controller to tolerate communication channel faults without interrupting safety functions.
Another advantage of Triconex 8110 is its compatibility with hot replacement strategies. Individual modules installed within the chassis can typically be replaced while the system remains operational, reducing downtime and improving maintenance efficiency. This capability is especially valuable in continuous-process industries where unexpected shutdowns can result in significant financial losses.
The rugged industrial construction of 8110 allows reliable operation in demanding environments. The chassis is designed for installation in control cabinets exposed to electrical noise, temperature variations, and continuous operation. Its robust mechanical design provides long-term support for critical automation infrastructure.
Triconex 8110 also provides excellent lifecycle value for organizations operating Tricon SIS platforms. Many industrial facilities continue using Tricon-based systems for decades due to their proven reliability, and maintaining compatible chassis hardware allows operators to extend system service life while avoiding unnecessary migration costs.
With its TMR architecture, high-density design, redundant communication capability, and compatibility with Tricon safety modules, Triconex 8110 remains a key component for dependable industrial safety automation systems.
Applications
Triconex 8110 is widely used as the core chassis platform for Safety Instrumented Systems in industries where continuous operation and high reliability are mandatory. In oil and gas facilities, 8110 is commonly installed in emergency shutdown systems (ESD), compressor protection systems, burner management systems, and process safety applications.
In petrochemical and chemical plants, Triconex 8110 provides the hardware foundation for safety controllers responsible for monitoring critical process conditions and executing protective actions. The chassis supports integration with numerous I/O modules that collect field signals from pressure switches, temperature transmitters, valve feedback devices, and process instruments.
Power generation facilities utilize 8110 in turbine protection systems, boiler safety systems, and plant auxiliary protection applications. Its redundant architecture helps maintain safe operation of equipment where unexpected controller failure could lead to production interruption or equipment damage.
Offshore platforms, LNG facilities, and pipeline systems also depend on Triconex 8110 for distributed safety control applications. The chassis enables integration of remote field signals and communication modules while maintaining the fault-tolerant characteristics required in hazardous environments.
Manufacturing plants, mining operations, and large industrial facilities use 8110 as part of high-availability automation systems requiring SIL-rated protection. Its modular design allows gradual system expansion as process requirements increase.
Typical application areas include:
- Safety Instrumented Systems (SIS)
- Emergency Shutdown Systems (ESD)
- Fire and Gas Protection Systems
- Turbine Protection Systems
- Burner Management Systems
- Oil and Gas Processing Facilities
- Petrochemical Plants
- Power Generation Systems
- Critical Process Automation
Related Products
Triconex 8111 — High Density Expansion Chassis used to increase the number of available I/O modules in a Tricon system.
Triconex 8112 — Remote Expansion Chassis for extending Tricon I/O capability to remote field locations.
Triconex 8121 — Enhanced Low Density Expansion Chassis for alternative system expansion requirements.
Triconex 3008 — Main Processor module used with 8110 chassis for Tricon controller systems.
Triconex 3009 — Enhanced Main Processor module compatible with newer Tricon controller platforms.
Triconex 8310 — 120 VAC/VDC redundant power module for Tricon chassis systems.
Triconex 8311 — 24 VDC power module designed for Tricon chassis power supply applications.
Triconex 4351A / 4351B — Communication modules providing Ethernet and serial communication interfaces.
Triconex 3503E — Digital input module commonly installed in Tricon safety chassis configurations.
