TRICONEX 4000093 Series Modules | 4000093-310 Input Terminal Cable Assembly

Technical Dossier

Product Details And Specifications

TRICONEX 4000093 Series: Comprehensive Module Range and Technical Overview

The TRICONEX 4000093 series encompasses terminal cable assemblies and interconnect components integral to the Tricon Triple Modular Redundant (TMR) Safety Instrumented System (SIS). Deployed across the most demanding process industries — including petrochemical refineries, offshore oil & gas platforms, nuclear power generation facilities, and LNG terminals — the Tricon platform has accumulated decades of installed base in Safety Integrity Level (SIL) 3 applications. The 4000093 series specifically addresses the physical I/O termination layer, providing the field-wiring interface between process instrumentation and the Tricon chassis backplane. These cable assemblies are non-negotiable components for system integrity: a missing or degraded termination cable directly impacts channel availability and SIS proof-test compliance. As the Tricon platform transitions toward the Tricon CX and TriconX architectures, the 4000093 series remains in active service at thousands of legacy installations worldwide, sustaining demand for both new-old-stock (NOS) and refurbished units.

The Evolution of 4000093 Architecture

The 4000093 cable assembly series was introduced alongside the original Tricon v9 and v10 controller generations, designed to interface with the 3000-series I/O modules (3703E, 3805E, 3721, etc.) via the Tricon Main Chassis and Expansion Chassis. Early revisions used a 37-pin D-sub connector standard on the field-termination side, with the assembly routing signals to the I/O module's front-panel connector. Subsequent hardware revisions introduced improved shielding specifications and revised strain-relief designs to address field failure modes identified in high-vibration environments (offshore platforms, compressor stations).

With the introduction of the Tricon v11 platform and later the Tricon CX (model 4351A/B), Schneider Electric (formerly Invensys, formerly Foxboro Eckardt) maintained backward compatibility for the 4000093 termination standard across the majority of analog and digital I/O module types, ensuring that existing field wiring infrastructure could be retained during controller upgrades. The TriconX platform (introduced post-2018) adopts a revised termination philosophy using the TBUS architecture, but 4000093-series cables remain the correct termination solution for all legacy Tricon v9/v10/v11 and Tricon CX installations.

4000093 Full Catalog & Functionalities (SKU List)

The following SKUs represent the verified 4000093 series terminal cable assembly range, classified by I/O module compatibility and connector configuration:

4000093-310: Input terminal cable assembly, 37-pin D-sub, for DI/AI modules, standard length
4000093-320: Output terminal cable assembly, 37-pin D-sub, for DO/AO modules, standard length
4000093-330: Input terminal cable assembly, extended length variant, for remote chassis installations
4000093-340: Output terminal cable assembly, extended length, DO/AO module interface
4000093-350: Dual-channel input cable assembly, for redundant AI module pairs (3703E/3721)
4000093-360: Dual-channel output cable assembly, for redundant AO module pairs
4000093-370: Digital input terminal cable, 24 VDC field-side, 3501E/3503E module interface
4000093-380: Digital output terminal cable, relay-type DO modules (3601E/3603E)
4000093-390: Analog input cable assembly, HART-compatible, 3703E/3721 module
4000093-400: Analog output cable assembly, 4–20 mA, 3805E module interface
4000093-410: Thermocouple/RTD input cable assembly, 3708E module
4000093-420: High-density DI cable assembly, 3532E 32-channel module
4000093-430: High-density DO cable assembly, 3532E 32-channel module
4000093-440: Pulse input cable assembly, for 3532E/3601E SOE applications
4000093-450: Chassis-to-chassis expansion cable assembly, Tricon main-to-expansion chassis link
4000093-460: Field termination assembly (FTA) interface cable, for marshalling panel integration
4000093-470: Intrinsically safe (IS) barrier interface cable, for Zone 1/Zone 0 field devices
4000093-480: Redundant power supply interface cable, for 8312/8310 PS modules

Sourcing Hard-to-Find & Obsolete 4000093 Series Parts

The 4000093 series is classified as a mature/end-of-production line by Schneider Electric. Standard lead times through OEM channels are extended or unavailable for many sub-variants. DriveKNMS maintains a dedicated inventory of 4000093-series cable assemblies sourced from decommissioned Tricon systems, certified refurbishment programs, and authorized surplus channels. For plant operators managing Tricon v9/v10/v11 systems under long-term service agreements (LTSA) or operating beyond the OEM's stated end-of-support date, DriveKNMS provides lifecycle extension support including: verified NOS stock, tested pull-out units with full inspection records, cross-reference to compatible third-party termination solutions where applicable, and emergency same-day dispatch for critical SIS maintenance windows. All units are traceable to original manufacturing documentation and supplied with a certificate of conformance.

Quality Control for the 4000093 Range

Each 4000093 cable assembly processed by DriveKNMS undergoes a defined inspection and test protocol prior to dispatch. Visual inspection covers connector shell integrity, pin straightness, shield continuity braid condition, and strain-relief clamp security. Electrical testing includes point-to-point continuity verification across all 37 signal conductors, shield-to-ground isolation resistance measurement (>100 MΩ at 500 VDC), and connector insertion/extraction force testing to confirm retention clip function. For assemblies destined for SIL-rated applications, an additional dielectric withstand test (Hi-Pot) is performed per IEC 60228 Class 2 conductor standards. Test records are retained and supplied with each unit on request. Assemblies exhibiting any pin damage, insulation degradation, or non-conforming shield resistance are quarantined and not released for sale.