Description
Product Overview: TRICONEX 3008
The TRICONEX 3008 is a central processing unit designed for the Tricon™ safety instrumented system (SIS), serving as the primary logic solver in Triple-Modular Redundant (TMR) architectures. Engineered for mission-critical applications in process industries, the TRICONEX 3008 ensures continuous, fault-tolerant operation by executing safety logic with high determinism and integrity, while supporting seamless communication across I/O modules and engineering workstations.
Main Features and Advantages:
Triple-modular redundant processing: The TRICONEX 3008 houses three independent microprocessor channels that execute identical safety logic simultaneously. A proprietary voting mechanism compares results in real time, masking transient or permanent faults without interrupting system operation—critical for SIL 3 compliance per IEC 61508.
Deterministic scan performance: With a fixed, hardware-synchronized scan cycle as low as 10 milliseconds, the TRICONEX 3008 guarantees predictable response times for fast-acting safety functions such as emergency shutdowns or turbine trips.
Integrated diagnostics and health monitoring: Continuous self-checking of memory, clock circuits, power supplies, and inter-channel communication enables early detection of latent faults. Diagnostic status is logged internally and reported to the Triconex Enhanced Diagnostic Monitor (EDM) software.
Robust communication backbone: The module interfaces with local I/O and remote chassis via the Tricon proprietary high-speed bus, ensuring data consistency and synchronization across distributed safety nodes without reliance on standard Ethernet protocols.
Field-proven reliability: Designed for 20+ years of service in extreme industrial environments, the TRICONEX 3008 operates without fans or moving parts, reducing mechanical failure risk and maintenance overhead.
表格
| Specification | Detail |
|---|---|
| Processor Architecture | Triple-Modular Redundant (TMR) |
| Logic Execution Cycle | Configurable from 10 ms to 1 s |
| Memory | Flash-based program storage; battery-backed RAM for state retention |
| Communication Interface | Tricon proprietary synchronous bus |
| Operating Temperature | 0°C to +60°C |
| Safety Certification | IEC 61508 SIL 3, ANSI/ISA 84.01, EN 61511 |
| Power Consumption | Approx. 15 W |
| Mounting | Backplane-mounted in Tricon chassis |
| Hot-Swap Support | No – requires system de-energization for replacement |
| Diagnostic Coverage | >99% for internal hardware faults |
Application Areas:
Refinery and petrochemical safety systems: The TRICONEX 3008 serves as the core logic engine in emergency shutdown (ESD), fire & gas (F&G), and process interlock systems where failure could result in catastrophic consequences.
Power generation protection: Deployed in boiler safeguard systems, steam turbine overspeed protection, and generator circuit breaker interlocks, ensuring rapid, reliable tripping during abnormal conditions.
Chemical batch process control: Manages complex sequence-of-operation logic with built-in safety constraints, preventing hazardous reactions due to incorrect ingredient sequencing or temperature excursions.
Offshore platform safety: Used in subsea wellhead control and topside ESD systems, where high availability and resistance to vibration, humidity, and salt spray are essential.
Related Products:
TRICONEX 3009: An enhanced successor to the TRICONEX 3008 with faster processing speed, larger memory capacity, and support for expanded I/O counts—ideal for large-scale or high-speed safety applications.
TRICONEX 3481: An analog output module frequently used with the TRICONEX 3008 to drive final control elements like control valves based on safety logic decisions.
TRICONEX 4329: A communication module that enables secure data exchange between the TRICONEX 3008 and higher-level supervisory systems (e.g., DCS or HMI) while maintaining safety isolation through certified gateways.
Other related models:
| TRICONEX | 3008 | Executes control program and votes on inputs and outputs |
| TRICONEX | Numeric input | |
| TRICONEX | 3501E/T | Isolated, non-common. Voltage: 115VAC/VDC. Number of input points: 32 |
| TRICONEX | 3502E | 8 points per group, shared, with self-test function. Voltage: 48VAC/VDC. Number of input points: 32 |
| TRICONEX | 3503E | Digital input module. 8 points per group, shared, with self-test function. Voltage: 24VAC/VDC. Number of input points: 32 |
| TRICONEX | 3533E | 24VAC/DC digital input module, non-common, simplified type. |
| TRICONEX | 3504E | High-density—common, DC-coupled. Voltage: 24/48VDC. Number of input points: 64 |
| TRICONEX | 3505E | Low threshold voltage, with self-test, common. Voltage: 24VDC. Number of input points: 32 |
| TRICONEX | 3564 | Simplified type, common. Voltage: 24VDC. Number of input points: 64 |
| TRICONEX | Digital output | |
| TRICONEX | 3601E | Optically isolated, non-common. Voltage: 115VAC. Number of outputs: 16. |
| TRICONEX | 3603E | Optically isolated, non-common. Voltage: 120VDC. Number of outputs: 16. |
| TRICONEX | 3603E | Optically isolated, common. Voltage: 120VDC. Number of outputs: 16. |
| TRICONEX | 3604E | Optically isolated, non-common. Voltage: 24VDC. Number of outputs: 16. |
| TRICONEX | 3607E | Optically isolated, non-common. Voltage: 48VDC. Number of outputs: 16. |
| TRICONEX | 3608E | Optically isolated, non-common. Voltage: 48VDC. Number of outputs: 16. |
| TRICONEX | 3611E | Supervised, optically isolated, common. Voltage: 115VAC. Number of outputs: 8. |
| TRICONEX | 3615E | Supervised, optically isolated, common. Voltage: 24VAC. Low power output. |
| TRICONEX | ||
| TRICONEX | ESD full range of security system modules spare parts | |
| TRICONEX | Related models | |
| TRICONEX | 7518-1 Communication Network Module/ISA Bus | |
| TRICONEX | 8310 | Control system power supply 120VAC/VDC |
| TRICONEX | 8311 | Control system power supply 24VDC |
| TRICONEX | 8312 | Control system power supply 230VAC |
| TRICONEX | 4108 | Enhanced Intelligent Communication Module (EICM) Non-isolated |
| TRICONEX | 4118 | Enhanced Intelligent Communication Module (EICM) Isolated |
| TRICONEX | 4119 | Enhanced Intelligent Communication Card (EICM) |
| TRICONEX | 4329 | CPU 3006 Network Communication Card (NCM) |
| TRICONEX | 4409 | CPU 3007 Communication with Honeywell (UCN) (SMM) |
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