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TRICONEX 8110 High Density Main Chassis

The TRICONEX 8110, also cataloged as the TRICONEX 8110 High Density Main Chassis, operates as a dedicated hardware component for housing and interconnecting core safety infrastructure within Tricon 3000 Series SIS racks platforms. It establishes the mechanical structure and backplane bus architecture required to link processing modules, power units, and I/O cards. The assembly coordinates multi-channel data flow and electrical power distribution across the internal safety grid.

Hardware Specifications

Parameter Specification
Model 8110
Brand TRICONEX (Schneider Electric)
Origin USA (Note: Commercial tracking sheets list logistics dispatch locations such as China)
Weight 24.5 kg net weight (Shipping package allocation estimated at 27 kg)
Dimensions Enclosed form factor optimized for standard multi-module rack integration
Operating Temp -20 deg C to +60 deg C
Power Consumption Passive structural backplane routing, maximum current rating per bus segment applies
Architecture Compatibility Optimized for Triple Modular Redundancy (TMR) backplane layouts
Backplane Isolation Multi-channel physical barrier separation with dedicated ground planes
Module Capacity High-density multi-slot housing configurations
Safety Certification IEC 61508 SIL3, IEC 61511, TÜV, CE, UL Class I Div 2, ATEX Zone 2

Triple Modular Redundancy & Fail-Safe State Execution

Configured to guarantee fault-tolerant communication across all system points, the chassis backplane incorporates a triple modular redundancy (TMR) routing topology. The internal PCB traces are divided into three electrically isolated bus segments, ensuring that independent logic channels from the main processors execute without cross-talk or common-mode vulnerabilities. High-integrity galvanic isolation barriers protect the logic backplane traces against field-side voltage reflections and external noise injections. If a single bus segment encounters a hardware error, the automated diagnostics ensure immediate fail-safe state execution, enabling continuous safety functions over the parallel data paths while reporting a localized structural bus anomaly.

Frequently Asked Questions

Q: How does the high-density backplane manage data integrity across adjacent slot channels?

A: The chassis backplane uses specialized multi-layer geometric trace shielding and isolated ground planes to minimize inductive and capacitive coupling between adjacent module interfaces. This layout preserves signal resolution and prevents high-frequency data corruption during continuous TMR polling cycles.

Q: What are the primary grounding requirements for ensuring proper hot-swap isolation?

A: The chassis framework utilizes staggered backplane connector pin lengths. This physical architecture ensures that when a module is inserted or extracted, the logic ground pins engage first and disengage last, preventing transient voltage spikes or uneven current loops from affecting the active internal safety bus during live maintenance.

Field Installation Guidelines

  • Structural Grounding Connection: Connect the heavy 24.5 kg enclosure frame to the main technical instrument earth using heavy-gauge copper straps to minimize electrical noise profiles.
  • Cabinet Ventilation Space: Maintain clear open spaces above and below the chassis structure to facilitate convective airflow and hold local temps within the -20 deg C to +60 deg C window.
  • Module Alignment Rigidity: Inspect the guide rails for debris before sliding modules into place. Ensure high-density connectors seat fully into the backplane sockets without lateral friction.
  • Power Distribution Balancing: Verify that redundant primary power feeds enter through distinct terminal blocks on the backplane assembly to prevent single-source power failures from shutting down the rack.

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