Triconex 4000056-006N | 6ft Conformal Coated TriBus I/O Expansion Bus Cable TMR SIS – Field Service Notes

Component Snapshot At-a-Glance

Model: 4000056-006N
Alt. P/N: Base standard 4000056-006 indoor cable; suffix N = harsh environment conformal coated connector & cable termination variant
Product Series: Triconex Tricon Triple Modular Redundant (TMR) Safety Instrumented System (SIS)
Hardware Type: Factory pre-assembled TriBus inter-chassis expansion communication bus cable assembly
Key Feature: 6-foot (1.83m) fully shielded multi-pair TriBus differential cable, coated connector shell/strain relief, dedicated for main controller rack ↔ remote 8111N expansion chassis synchronous TMR data transmission
Primary Field Use: Creates deterministic 25Mbps TriBus link between primary CPU chassis and remote I/O expansion racks; transmits triple redundant voting data, diagnostics and safety logic commands for SIL3 ESD/F&G loops.