PLCs, Power Supplies & Others

The Triconex 4000043-325 provides high-integrity electrical connectivity between Triconex safety modules and field termination panels. This shielded cable assembly ensures reliable signal transmission for critical safety instrumented functions.

Key Technical Specifications

Precision Shielded Construction

The Triconex 4000043-325 employs 50 individually insulated conductors with 24 AWG stranded tinned copper for maximum flexibility and corrosion resistance. Each conductor maintains consistent impedance for reliable digital and analog signal transmission.

An overall braided shield provides greater than 85% optical coverage, effectively rejecting electromagnetic interference from adjacent power cables and industrial equipment. A tinned copper drain wire simplifies shield termination at the panel ground point.

Dual-End Termination Design

This cable assembly features a 50-pin male D-Sub connector on the module end with jackscrew locking posts. These mechanical retainers prevent vibration-induced disconnection in high-vibration environments such as compressor stations and turbine control applications.

The opposite end provides either flying leads or a termination block interface depending on specific part number configuration. Field technicians terminate individual conductors directly to Marshalling panel terminals.

Mechanical Flexibility and Durability

The 4000043-325 measures 3 meters in standard length, providing adequate service loop for cabinet routing while minimizing signal attenuation. The PVC jacket resists industrial oils, coolants, and UV exposure in panel-mounted installations.

A minimum bend radius of 65 mm during operation prevents internal conductor fatigue. Installers can bend the cable to 40 mm during installation without damaging shield integrity or conductor insulation.

System Integration with Triconex I/O

Schneider Electric engineered this cable specifically for Triconex main processor and I/O modules. The 50-pin D-Sub connector mates directly with Tricon, Trident, and Tri-GP chassis I/O modules without adapters.

Compatible modules include 3008 main processors, 3503E digital input modules, 3504E digital output modules, and 3805E analog input modules. This universal compatibility reduces spare cable inventory requirements.

Signal Integrity and Noise Immunity

The overall braided shield provides excellent common-mode noise rejection essential for SIL3 safety applications. Shield continuity from module connector to field termination maintains Faraday cage protection across the entire signal path.

Differential pair twisting within the cable bundle preserves analog signal fidelity. This construction minimizes crosstalk between adjacent analog channels sharing the same cable jacket.

Application Versatility

Safety instrumented systems deploy the Triconex 4000043-325 across numerous I/O interfacing applications. Typical implementations include emergency shutdown system field wiring, burner management input connections, and turbine control sensor termination.

The 50-conductor capacity supports up to 25 differential analog inputs or 50 single-ended digital signals. This density maximizes I/O utilization within chassis slot constraints.

Field Termination Simplicity

Color-coded insulation with numbered printing enables rapid conductor identification during installation. Technicians match wire markings to termination point designations without continuity testing.

Stranded construction accommodates both screw clamp and spring cage termination block types. Individual conductors accept ferrule terminations for enhanced pull-out resistance in high-vibration locations.

Environmental and Regulatory Compliance

The 4000043-325 operates continuously from -20°C to +80°C, suitable for both climate-controlled control rooms and unheated equipment enclosures. The PVC jacket maintains flexibility throughout this temperature range.

VW-1 flame retardant rating complies with UL 1581 vertical flame test requirements. This certification permits installation in plenum spaces and cable trays without additional conduit protection.

Reliability and Service Life

Triconex constructs this cable assembly using precision automated termination equipment. Each conductor undergoes individual continuity testing, and every completed assembly passes high-potential isolation verification.

Gold-plated connector contacts resist corrosion and maintain low contact resistance for decades of service. Typical field service life exceeds 20 years under normal industrial environmental conditions.

Hot-Swap Compatibility

The 50-pin D-Sub connector supports online module replacement without disturbing field wiring. Technicians remove the cable from the failed module and reconnect to the replacement unit while the safety system remains operational.

This hot-swap capability eliminates process interruptions during maintenance activities. Facilities maintain full safety protection throughout cable or module replacement procedures.

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