Invensys Triconex 2700 / 2700-2 Control Module — Triple Modular Redundant Safety Controller | Tricon TMR Platform
Engineering Background
The Triconex Tricon platform is the industry benchmark for Safety Instrumented Systems (SIS) in high-hazard process industries. Built on Triple Modular Redundancy (TMR) architecture, every critical function is executed simultaneously across three independent processing paths, with continuous voting logic ensuring fault tolerance without process interruption. The 2700 / 2700-2 Control Module is the central processing unit of the Tricon chassis, orchestrating I/O communication, safety logic execution, and inter-module diagnostics.
Product Positioning
Designed for procurement engineers and reliability teams sourcing certified replacement or expansion modules for existing Tricon SIS installations. Konmask.com supplies genuine, traceable Triconex hardware with documented provenance — eliminating the risk of counterfeit components in safety-critical loops.
Complete Technical Specifications
| Manufacturer | Invensys / Schneider Electric (Triconex) |
| Part Number | 2700 / 2700-2 |
| Module Type | Main Control Module (MCM) |
| Platform | Tricon TMR Safety System |
| Architecture | Triple Modular Redundancy (TMR) — 2oo3 voting |
| Safety Integrity Level | SIL 3 (IEC 61508 / IEC 61511) |
| Processor | Three independent 32-bit processors (one per leg) |
| Memory | Application RAM + Flash (non-volatile program storage) |
| Communication | Tribus backplane bus; supports TriStation 1131 programming interface |
| I/O Capacity | Up to 2,048 I/O points per chassis (system-dependent) |
| Scan Time | Configurable; typical <100 ms for standard safety applications |
| Power Supply | Supplied via Tricon chassis backplane (redundant PSU recommended) |
| Operating Temperature | 0 °C to +60 °C |
| Storage Temperature | -40 °C to +85 °C |
| Humidity | 5% to 95% RH, non-condensing |
| Certifications | TÜV, FM, CSA, CE; IEC 61508 SIL 3 |
| Form Factor | Single-slot Tricon chassis module |
| Weight | Approx. 300 g |
| Firmware | Compatible with Tricon firmware v9.x and v10.x series |
Proven Application Environments
- Oil & Gas: Emergency Shutdown (ESD) systems, High Integrity Pressure Protection Systems (HIPPS), wellhead control, pipeline isolation
- Petrochemical & Refining: Burner Management Systems (BMS), reactor protection, compressor anti-surge control
- LNG / LPG Terminals: Tank overfill protection, loading arm interlocks, fire & gas integration
- Power Generation: Turbine protection, boiler safety, nuclear auxiliary systems
- Chemical Processing: Exothermic reactor safety, toxic release prevention, process isolation
- Offshore Platforms: Topsides ESD, subsea control integration, FPSO safety systems
Engineering Advantages
- True TMR Fault Tolerance: Any single module failure is masked in real time — no spurious trips, no process downtime
- Online Repair: Faulty leg replacement without de-energizing the safety system (hot-swap capable in TMR mode)
- Continuous Self-Diagnostics: Internal watchdog, memory integrity checks, and cross-leg comparison running every scan cycle
- Deterministic Execution: Fixed-cycle safety logic guarantees response time compliance for SIL 3 loops
- TriStation 1131 Integration: IEC 61131-3 compliant programming; supports FBD, LD, ST, IL, SFC
- Long Field Life: Designed for 20+ year operational life in continuous-duty industrial environments
System Architecture & Signal Flow
The 2700 / 2700-2 Control Module occupies the main controller slot of the Tricon chassis. On each scan cycle:
- All three processor legs independently read I/O data from the Tribus backplane
- Each leg executes the safety application logic in parallel
- Output voting logic compares all three results — 2-out-of-3 agreement required to drive any output
- Diagnostic results are logged to the TriStation communication port for SCADA/DCS integration
- Any leg discrepancy triggers an alarm without interrupting the safe output state
This architecture ensures that neither a single hardware failure nor a single software error can cause an unsafe output condition.
Sourcing & Quality Verification
- Genuine OEM Hardware: All units sourced from documented industrial decommissions or authorized distribution channels
- Pre-shipment Testing: Power-on functional verification; visual inspection for PCB damage, corrosion, and connector integrity
- Traceability: Serial number and firmware version recorded and provided with each shipment
- Packaging: ESD-safe anti-static bags, foam-lined cartons; suitable for international air freight
- Warranty: 90-day replacement warranty against DOA or functional defects
- Counterfeit Prevention: Physical inspection against known OEM reference units; no refurbished-as-new misrepresentation
Procurement Process
- Confirm Compatibility: Verify your Tricon chassis generation and firmware version against the 2700 / 2700-2 compatibility matrix
- Request Quote: Contact [email protected] with your PO requirements, delivery timeline, and inspection requirements
- Lead Time: In-stock units ship within 2–5 business days; EXW Xiamen or DDP options available
- Documentation: Commercial invoice, packing list, and test report provided as standard; COO certificate available on request
- Payment: T/T bank transfer, PayPal, or trade credit (approved accounts)
Technical FAQ
Q: Is the 2700-2 a direct replacement for the 2700?
A: Yes. The 2700-2 is the revised hardware revision of the 2700 with identical functional pinout and firmware compatibility. Both are interchangeable within the same Tricon chassis generation.
Q: Which Tricon chassis generations are compatible?
A: The 2700 / 2700-2 is compatible with Tricon v9 and v10 chassis families. Confirm your chassis model number before ordering if mixing hardware revisions.
Q: Can this module be used in a Trident or Tri-GP system?
A: No. The 2700 / 2700-2 is specific to the Tricon platform. Trident and Tri-GP use different controller architectures and module form factors.
Q: What firmware version is pre-loaded?
A: Firmware version is confirmed and documented at time of shipment. Contact us to specify a required firmware version if your site has a locked baseline.
Q: Do you provide a Factory Acceptance Test (FAT) report?
A: A functional test report is included as standard. Full FAT documentation to customer-specific test procedures is available as a paid service — contact us for scope and pricing.
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