The Triconex 4000043-320 is a high-integrity cable assembly designed specifically for use within fault-tolerant safety-instrumented systems. This component ensures reliable signal transmission and robust connectivity between I/O modules and processor chassis or field termination panels. It is engineered for deployment in demanding industrial environments, such as chemical plants and petroleum refineries, where signal fidelity and system uptime are critical for maintaining safety loops and preventing unplanned operational shutdowns.
Features
Engineered for deterministic data distribution in safety-critical applications.
Constructed with 18 AWG conductors for reliable signal path durability.
High-density, flame-retardant PVC jacket provides protection against environmental stressors.
Controlled nominal impedance of 100 Ohms to minimize signal reflection and EMI.
Molded connector terminals designed to prevent accidental disconnection and provide environmental sealing.
Low-capacitance insulation (55 pF/m) to maintain signal integrity over transmission distances.
Technical Specifications
Model
4000043-320
Brand
Triconex
Wire Gauge
18 AWG
Max Current
4 A
Voltage Rating
1000 V
Impedance
100 Ohms
Capacitance
55 pF/m
Resistance
0.1 Ohms
Jacket Material
Flame Retardant PVC
Operating Temperature
-45 to +85 deg C
Installation Guidelines
Ensure the system is fully powered down before connecting or disconnecting the cable assembly to prevent electrical arcing or damage to I/O module pins.
Route cables away from high-voltage power lines and sources of heavy electromagnetic interference to maintain signal quality.
Ensure that connector locking mechanisms are fully engaged to prevent vibration-induced loosening.
Maintain proper bend radii during installation to prevent internal conductor fatigue or insulation compromise.
Inspect the cable jacket and connector seals periodically for signs of chemical degradation or physical damage in harsh environments.
FAQ
What is the primary application for the 4000043-320? This cable assembly is intended for use in safety-instrumented systems to connect I/O modules to termination panels or processors, ensuring reliable communication in critical safety applications.
Can this cable be used in high-temperature environments? Yes, the assembly is rated for an operating temperature range of -45 to +85 deg C, making it suitable for most standard industrial facility conditions.
Is this a powered component? No, it is a passive interconnect component designed for signal transmission with negligible power loss.
