FOXBORO P0916VC High Performance Terminal Cable

FOXBORO P0916VC High Performance Terminal Cable

Product Overview

FOXBORO P0916VC is a high-performance terminal connection cable specially designed by Foxboro Corporation for industrial automation systems, belonging to its I/A Series system supporting transmission product line. This cable serves as the core connecting medium between the control module, field equipment, and terminal interfaces. It uses multiple strands of tinned copper wire as conductors and a dedicated shielding layer as anti-interference protection. Its core function is to achieve low loss and anti-interference transmission of industrial signals, while also possessing excellent mechanical protection performance. It adopts industrial grade environmentally friendly sheath and precision terminal design, which can adapt to system modules such as Foxboro P0916WG and various industrial sensors and actuators. It can work stably in complex and harsh industrial sites such as petrochemicals and power, providing reliable physical chain support for signal transmission of control systems.

Specification parameters

Product type: Industrial control terminal cable; Conductor material: multi strand tin plated oxygen free copper; Sheath color: gray (standard)/customized; Adaptation modules: Foxboro P0916WG, P0972ZQ and other I/A Series modules

Conductor and structural parameters

Conductor specifications: 22AWG-16AWG (multiple specifications available); Core count: 2-8 cores (configured according to signal requirements); Direct current resistance of conductor: ≤ 13.8 Ω/100m (22AWG, 20 ° C); Insulation layer material: cross-linked polyethylene (XLPE); Insulation thickness: 0.25-0.4mm

transmission performance 

Operating frequency: 0-100MHz; Characteristic impedance: 50 Ω± 10% (signal core wire); Insertion loss: ≤ 0.5dB/10m (at 1MHz); Interference attenuation: ≥ 60dB (at 10MHz); Transmission rate: Supports stable transmission of industrial signals at 10Mbps

Shielding and protection parameters

Shielding structure: Tin plated copper wire braided+aluminum foil composite shielding (coverage rate ≥ 95%); Sheath material: Low smoke halogen-free polyolefin (LSZH); Sheath thickness: 0.5-0.8mm; Protection level: IP67 (with waterproof terminals); Flame retardant rating: UL94 V-0

Environmental and mechanical parameters

Working temperature: -40 ° C to 90 ° C; Storage temperature: -50 ° C to 100 ° C; Relative humidity: 0% -95% without condensation; Minimum bending radius: static 6 x cable outer diameter, dynamic 12 x cable outer diameter; Tensile strength: ≥ 150N; Oil resistance grade: in accordance with IEC 60811-2-1 standard

Performance characteristics

-Double shielding anti-interference design: Adopting a composite shielding structure of "tinned copper wire weaving+aluminum foil", the shielding coverage rate exceeds 95%, which can effectively resist electromagnetic interference (EMI) and radio frequency interference (RFI) in industrial sites. Combined with multi-core wire twisting technology, it further reduces the impact of crosstalk, ensures the integrity of 4-20mA analog signal and high-frequency digital signal transmission, and solves the signal distortion problem of traditional cables in high voltage and strong electromagnetic environments.

-High reliability conductor and insulation: Multiple stranded tin plated oxygen free copper conductors are selected, which have better flexibility compared to single stranded copper conductors and can withstand bending more than 10000 times (dynamic bending), avoiding conductor breakage caused by industrial equipment vibration; The cross-linked polyethylene insulation layer is resistant to high temperature and aging, with an insulation resistance of ≥ 100M Ω· km, effectively preventing short circuit faults caused by insulation breakdown.

-Industrial grade environmental tolerance: The low smoke halogen-free sheath has excellent oil resistance, acid and alkali resistance, and flame retardancy, and can work stably in corrosive gases in chemical workshops, dusty environments in mines, and outdoor rain and snow conditions; The wide temperature design enables it to adapt to cold regions of -40 ° C and high-temperature equipment environments of 90 ° C, meeting the needs of various extreme industrial scenarios.

-Accurate adaptation and convenient installation: The cable end is pre crimped with precision plug-in terminals, which can be seamlessly connected to the terminal block of Foxboro I/A Series module. The plug-in force is stable (5-15N), and the contact resistance is ≤ 10m Ω. The terminals are gold-plated, with a plug-in life of over 500 times, and with clear core wire color identification, the installation efficiency and wiring accuracy are greatly improved.

-Safety, environmental protection, and long lifespan: The low smoke and halogen-free sheath does not release toxic gases during combustion, meeting the safety and environmental protection requirements of industrial sites, especially suitable for ventilation restricted scenarios such as enclosed cabinets and underground factories; The overall structure has been verified through accelerated aging testing, with a service life of over 8 years under rated conditions, reducing the cost of replacement and maintenance in the later stage.

Working principle

The FOXBORO P0916VC terminal cable works with the core mechanism of "signal transmission interference isolation physical protection", and achieves high-performance transmission through the coordination of structural design and material characteristics. It is specifically divided into three stages:

1. Efficient signal transmission: Control commands output by industrial control modules (such as P0916WG) or signals collected by on-site sensors are transmitted through a current loop formed by cable conductors. The low resistance characteristics of multi strand tinned copper conductors ensure minimal signal transmission loss, especially for weak analog signals, which can maximize the preservation of the amplitude and accuracy of the original signal.

2. Interference shielding and isolation: When the cable is in an industrial electromagnetic environment, external interference signals will be blocked by a composite shielding layer - the aluminum foil shielding layer can effectively attenuate high-frequency interference, and the tin plated copper wire braided layer forms a good grounding path for low-frequency interference. The interference current is introduced into the ground through the shielding layer to prevent it from invading the core wire and interfering with the signal; At the same time, the electromagnetic fields formed by twisted core wires cancel each other out, further reducing crosstalk between wire pairs.

3. Environmental protection and signal stability: The outer sheath tightly wraps around the internal structure, blocking harmful substances such as moisture, dust, and oil from entering, and protecting the insulation layer and conductor from corrosion; In low or high temperature environments, the sheath and insulation layer maintain stable physical properties to avoid structural damage caused by material brittleness or softening, ensuring the continuous smoothness of the signal transmission link.

Precautions

-Terminal connection specification: When connecting with modules or devices, it is necessary to ensure that the terminals are fully inserted into the terminal block and locked to avoid virtual connections that may increase contact resistance; When disassembling, hold the terminal buckle and pull it out smoothly. Do not pull the cable body to prevent the terminal from falling off from the conductor; Before wiring, it is necessary to check the color of the core wire and the terminal identification of the equipment to ensure that the positive and negative poles or signals correspond correctly.

-Wiring and bending requirements: When wiring, avoid high temperature heat sources (such as equipment heat dissipation ports, with a distance of ≥ 30cm) and sharp metal edges to avoid damage to the protective sheath; The bending radius of the cable at the turning point should meet the requirements and should not be forcibly bent or squeezed. Especially when wiring inside the cabinet, sufficient movement allowance should be reserved to meet the mobile needs of equipment maintenance.

-Grounding operation of shielding layer: The shielding layer needs to be grounded at one end (recommended to be grounded on the control module side), with a grounding resistance of ≤ 4 Ω. Grounding or hanging at both ends is prohibited to avoid the formation of a grounding loop and interference current; The grounding wire should be reliably connected to the shielding layer, and crimping terminals or welding methods can be used to ensure a smooth grounding path.

-Environmental usage restrictions: Although it has oil and acid alkali resistance, it cannot be immersed in oil or corrosive liquids for a long time; When used outdoors, waterproof joints and cable fixing clips should be used to prevent rainwater from seeping into the interior of the equipment through the cables; Avoid prolonged use in strong magnetic fields (such as around large transformers) and strong radiation environments.

-Troubleshooting and replacement: If there is a signal abnormality, first check the terminal connection status and the grounding condition of the shielding layer, and use a multimeter to measure the conductor continuity and insulation resistance; When the cable sheath is damaged, the conductor is exposed, or the signal transmission attenuation exceeds the limit, it should be replaced in a timely manner. It is forbidden to peel off the sheath for repair by oneself to avoid damaging the shielding structure.

-Storage and transportation: When storing, the cable should be coiled on a dedicated reel and placed in a dry and ventilated environment, avoiding direct sunlight and heavy objects from squeezing; During transportation, it is necessary to provide anti drop and anti rolling protection, firmly fix the cable reel, and prevent conductor damage caused by loose and tangled cables.