Component Snapshot At-a-Glance

• Model: 4000093-110N
• Alt. P/N: Base 4000093-110 standard indoor cable; suffix N = harsh environment coated connector/harness variant
• Product Series: Triconex Tricon Triple Modular Redundant (TMR) Safety Instrumented System (SIS)
• Hardware Type: Factory pre-assembled rear I/O TA terminal breakout cable assembly
• Key Feature: 10-meter shielded multi-core signal cable, coated connector strain relief, full braided shielding, matches all Tricon TMR analog/digital I/O rear terminal assemblies
• Primary Field Use: Interconnects Tricon rack rear TA terminal blocks to remote field junction boxes, transmit safety sensor, valve, trip switch signals for SIL3 ESD/F&G loops.

Hard-Numbers: Technical Specifications

• Protocol Support: Passive analog/digital signal transmission, compatible with all Tricon TMR I/O module TA assemblies
• Port Count: One end custom multi-pin rack rear plug; free end open multi-wire harness for terminal block landing
• Cable Length: 10 meters (110 = 10m series length code)
• Operating Temperature: -40°C to +85°C operational; -50°C to +90°C storage
• Isolation Rating: Cable insulation rated 1500VAC withstand for field signal separation
• Shield Construction: 100% coverage copper braided overall shield, individual pair shielding for analog circuits
• Conductor Spec: Multi-stranded tinned copper, flame retardant XLPE insulation
• CMRR Performance: -85dB DC to 100Hz noise suppression to reject VFD/motor EMI
• Overvoltage Withstand: 150VDC / 115VAC continuous surge protection rating
• Minimum Bend Radius: 142mm static installation, 213mm dynamic flex routing
• Coating Grade: N variant adds conformal coating on plug assembly and cable jacket terminations for salt fog/chemical vapor resistance
• Certifications: UL, CE, ATEX Zone 2 compatible, ISA-84 safety system wiring standard
• Weight: ~4.3kg full 10m assembly
• Humidity Rating: 5%–95% non-condensing offshore cabinet environment

The Real-World Problem It Solves

Uncoated standard 4000093-110 cable plug assemblies corrode rapidly in FPSO, coastal refinery salt fog environments. Field-spliced custom wiring introduces loose joints, ground loops and EMI noise that trigger spurious TMR voting mismatch faults and false safety trips. Separate short jumper cables increase cabinet wiring clutter and maintenance labor.Where you’ll typically find it:

• Refinery reactor, distillation unit ESD safety instrumented rack rear I/O wiring
• Offshore drilling rig & FPSO fire/gas detector remote junction box signal runs
• Fossil power plant boiler, turbine SIL3 safety interlock cabinet long-distance field wiring

This factory matched, pre-shielded coated cable assembly eliminates field splicing errors, suppresses industrial EMI, and resists corrosive plant air to maintain stable safety signal integrity over 10-meter runs.

Hardware Architecture & Under-the-Hood Logic

Passive wired harness with no active electronics; factory pin-matched to Tricon rear TA terminal block pinouts, dedicated shielding architecture to separate analog and digital signal pairs.

1. Custom molded multi-pin plug locks firmly to chassis rear TA I/O card, gold-plated contacts prevent vibration-induced intermittent opens.
2. Full length continuous copper braided shield runs entire cable length to block radiated EMI from 480V motor/VFD cable trays.
3. Individual twisted signal pairs reduce crosstalk between adjacent safety input channels.
4. N-series conformal coating encapsulates plug shell, pin terminations and cable jacket entry to block salt dust and moisture ingress.
5. Open harness end color-coded conductors simplify field junction box landing without cross-referencing wire charts.
6. Integrated strain relief at both cable ends eliminates conductor breakage from cabinet thermal cycling and vibration.

Field Service Pitfalls: What Rookies Get Wrong

Dual-end shield grounding creates severe 50/60Hz hum noiseTechnicians bond cable braided shield to both rack TA block and remote field junction box ground. Large plant ground potential difference injects low-frequency noise that flips digital DI states and distorts analog transmitter readings.

• Field Rule: Terminate cable shield only at the rack TA terminal block end; leave field junction box shield floating electrically.

Exceeding minimum bend radius during cabinet routingSharp tight bends crack cable jacket and break internal twisted pair shielding. Partial shield loss creates random intermittent signal dropouts that cannot be replicated on bench testing.

• Quick Fix: Maintain minimum 142mm bend radius; use cable management trays to avoid sharp cabinet frame edges pinching the harness.

Mixing standard uncoated 4000093-110 cables inside N-series offshore coated racksUncoated plug connectors corrode faster than N variant hardware, creating uneven contact resistance and long-term signal drift. Site warranty coverage is voided for mixed wiring hardware.

• Field Rule: All wiring deployed inside 8111N harsh environment chassis must use N suffix coated cable assemblies exclusively.

Commercial Availability & Pricing Note

Please note: The listed price is for reference only and is not binding. Final pricing and terms are subject to negotiation based on current market conditions and availability.