Description
Product Overview
TRICONEX 4000093-110N is an external terminal input cable assembly used within compatible Triconex safety-system I/O architectures. Unlike a Tricon processor or I/O module, the cable assembly provides the physical signal path between external field termination hardware and the associated input circuitry. This distinction is important during maintenance because a cable fault can produce apparent I/O-channel problems even when the Tricon electronics themselves are functioning correctly.
The 4000093-110N is particularly relevant to legacy TRICON installations where field termination assemblies remain in service. Available product records consistently identify the part as an External Terminal Input Cable Assembly and associate it with Triconex digital input modules.
For procurement, TRICONEX 4000093-110N should be matched by its complete part number and the actual termination arrangement in the cabinet. Some secondary listings incorrectly describe this number as a processor module, but that description conflicts with multiple independent records identifying it as a cable assembly.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | TRICONEX / Invensys / Schneider Electric |
| Part Number | 4000093-110N |
| Product Type | External Terminal Input Cable Assembly |
| System Family | TRICON / TRICONEX |
| Primary Function | External field-input signal connection |
| Associated Hardware | Compatible Tricon digital input modules / termination assemblies |
| Cable Construction | Multi-conductor signal cable |
| Application | Safety Instrumented System (SIS) |
| Installation | Tricon cabinet / field termination interface |
| Lifecycle | Legacy spare |
A secondary supplier provides additional electrical claims such as 115 VDC input-module compatibility and shielded construction, but these should be treated as application-specific information rather than universal cable specifications until confirmed against the installed Tricon hardware.
Main Features and Advantages
Dedicated Tricon I/O Interface
TRICONEX 4000093-110N is intended to provide the physical connection between external termination points and the Tricon input architecture. It is therefore part of the signal infrastructure rather than the safety logic processor itself.
Suitable for Legacy SIS Maintenance
Many Tricon installations remain in operation for long periods because the SIS architecture is deeply integrated into plant shutdown, interlock, and protection functions. Maintaining the original termination and cabling architecture can be preferable to changing the entire I/O arrangement.
Direct Signal-Path Replacement
When troubleshooting an input channel or group of channels, the cable assembly provides another failure point to consider. Damaged conductors, poor connector engagement, corrosion, or termination problems can produce symptoms that resemble an electronic input-module failure.
Practical Spare-Part Value
A relatively inexpensive cable assembly can still be a critical spare when it forms part of a safety-system I/O path. Keeping the exact part number available avoids improvising a field-wired replacement during an outage.

4000093-110N
Application Scenarios
Tricon Digital Input Systems
The strongest available product records associate 4000093-110N with external field inputs and Triconex digital input modules.
Safety Instrumented Systems
Triconex equipment is used in safety applications across refining, petrochemical, chemical, power-generation, and other process industries.
Field Termination
The cable assembly can form part of the connection between field devices—such as switches and discrete sensors—and the Tricon input subsystem.
Legacy Cabinet Maintenance
For an existing Tricon cabinet, replacing the exact cable assembly can be much less disruptive than modifying termination hardware or rewiring a safety-system input path.
Related Triconex Components
- 4000094-110N — Related Triconex cable assembly appearing in the same product family.
- 4000103-510N — Triconex output cable assembly used for a different I/O function.
- 4000056-006N — Tricon 4000-series I/O-related module/cable component appearing in the same spare-parts ecosystem.
- DI3311 — Triconex digital input module; the cable assembly should be matched to the actual installed I/O configuration rather than assumed compatible with every Tricon input card.
- 3721N — Triconex analog input module; illustrates the distinction between field-interface cabling and electronic I/O modules.
Engineer’s Guide: Field Pitfalls
⚠️ Do Not Mistake 4000093-110N for an Electronic Module
The strongest product-specific evidence identifies 4000093-110N as an External Terminal Input Cable Assembly.
One secondary listing labels it a “Main Processor Module,” which is inconsistent with the cable-assembly identification found elsewhere.
Procurement rule: Treat 4000093-110N as a cable assembly, and verify the physical assembly before purchase.
⚠️ Inspect Both Connectors
A cable can electrically appear intact while having a damaged connector, backed-out contact, contamination, or poor mechanical retention.
⚠️ Do Not Assume Any Tricon Input Cable Is Interchangeable
Tricon termination hardware uses specific connector arrangements and signal assignments. Matching only the number of conductors is not sufficient.
⚠️ Verify the Installed I/O Module
Before replacement, record:
- Tricon chassis identification
- Input module model
- External termination assembly
- Existing cable part number
- Connector arrangement
- Wiring documentation
- Cable routing
This is especially important in SIS applications because undocumented rewiring should not be introduced simply to accommodate an apparently similar cable.
Frequently Asked Questions
What is TRICONEX 4000093-110N?
It is an External Terminal Input Cable Assembly used with compatible Triconex safety-system I/O hardware.
Is 4000093-110N a Triconex CPU?
No. It is a cable assembly, not a main processor, communication module, or digital input electronics card.
What does the cable connect?
Its purpose is to provide the signal connection between external termination hardware/field wiring and the compatible Tricon input subsystem.
Can 4000093-110N be used with any Tricon digital input module?
Do not assume so. Confirm the exact input-module model, termination assembly, connector arrangement, and wiring assignment before installation.
What should I request when buying a replacement?
For a used or refurbished 4000093-110N, request:
- Actual photographs of the complete cable.
- Clear 4000093-110N identification.
- Connector photographs at both ends.
- Conductor/continuity test results.
- Insulation test where appropriate.
- Connector-contact inspection.
- Confirmation of the compatible Tricon termination hardware.
- Test report.
- Warranty terms.
What is the biggest procurement risk?
The biggest risk is buying a cable described generically as a “Tricon input cable” without confirming the exact 4000093-110N configuration. In a safety-system cabinet, an apparently similar cable with different pin assignments can create a serious commissioning problem.
Is this a current-production component?
It should be treated as a legacy Triconex spare. For a shutdown-critical application, confirm the exact physical part and test condition before the outage rather than relying solely on a supplier’s database description.
