FOXBORO P0500RG Terminal Cable

FOXBORO P0500RG Terminal Cable

Product Overview

FOXBORO P0500RG is an industrial grade specialized terminal cable, with the core positioning of providing stable signal transmission links for various modules (such as P0400ZG node bus interface module, FBM series I/O module, etc.) and field devices in FOXBORO automation control system, while also undertaking bus terminal matching function to reduce signal reflection interference. The cable adopts a coaxial structure design, combined with FOXBORO's technical accumulation in the industrial communication field, optimizing the material ratio and structural parameters of the conductor, insulation layer, and shielding layer, and can adapt to FOXBORO I/A Series ® According to the communication protocol requirements of mainstream control systems, achieve low latency and low loss transmission of control instructions and monitoring data. Its standardized terminal connector design can seamlessly interface with various modules of FOXBORO, greatly simplifying the on-site wiring and debugging process.

Core functional characteristics

1. Dual function of precise signal transmission and terminal matching

The P0500RG terminal cable integrates signal transmission and terminal matching, not only realizing bidirectional data exchange between modules and devices, but also its built-in terminal matching resistor can effectively absorb signal reflection at the end of the bus, avoiding transmission distortion caused by signal superposition interference. Based on the optimized design of the characteristic impedance of the RG series cable, the characteristic impedance of the cable is stably controlled at 50 Ω (baseband transmission standard), highly matching the impedance characteristics of the FOXBORO node bus, ensuring that high-frequency communication signals maintain good integrity during long-distance transmission, and data transmission errors are controlled within 0.1%.

2. Industrial grade anti-interference shielding design

In response to complex environments such as strong electromagnetic radiation and motor start stop interference in industrial sites, P0500RG adopts a "dual shielding+insulation isolation" anti-interference structure: the inner layer is shielded with high-density tin plated copper mesh, with a coverage rate of over 95%, effectively suppressing differential mode interference; The outer layer is wrapped with an aluminum foil shielding layer, forming a comprehensive electromagnetic shielding barrier to isolate the influence of external common mode interference on the signal. This dual shielding design complements the anti-interference mechanism of the FOXBORO module, allowing signals to maintain stable transmission in industrial environments with multiple devices running concurrently, with an error rate of less than 1 × 10 ⁻⁶.

3. Structural optimization for resistance to harsh environments

The cable sheath is made of flame-retardant polyvinyl chloride (PVC) material, which has excellent oil resistance, chemical corrosion resistance, and wear resistance. It can withstand common oil stains, acid and alkali steam erosion in industrial sites; The insulation layer is made of cross-linked polyethylene (XLPE) material, which has outstanding high temperature resistance. Combined with the anti-oxidation treatment of the conductor, the cable can work stably in a wide temperature range of -40 ℃~105 ℃, fully suitable for extreme environments such as metallurgical high-temperature workshops and northern cold outdoor environments. At the same time, the flexibility of the cable has been specially optimized, with a minimum bending radius of only 6 times the diameter of the cable, making it easy to install wires inside the cabinet and in narrow spaces.

4. High reliability mechanical and electrical performance

The conductor is made of multi stranded oxygen free copper material, which not only improves the tensile strength of the cable compared to single stranded conductors, but also reduces the skin effect loss during transmission, ensuring low impedance transmission. The cable terminal joint adopts a crimping gold plating process, with a contact resistance of less than 5m Ω, effectively avoiding signal attenuation caused by poor contact; The joint housing is encapsulated in engineering plastic and has an IP67 protection level, which can be directly applied to damp and dusty on-site environments without the need for additional protective measures.

5. System level compatibility and interchangeability

The P0500RG terminal cable is tailor-made for the FOXBORO control system, and its connector specifications and signal definitions match perfectly with the interfaces of the FOXBORO P0400ZG node bus module, P0400GH power module, and FBM series I/O module. It can be directly plugged and used without the need for additional adapter accessories. At the same time, the cable supports collaboration with FOXBORO dedicated bus connectors, junction boxes, and other components to form a complete signal transmission link, enhancing the standardization and maintainability of system wiring.

Key technical parameters

Cable type

Industrial grade coaxial terminal cable (with matching resistor)

Conductor specifications

Stranded oxygen free copper, wire diameter 0.8mm (AWG 20)

characteristic impedance

50 Ω± 5% (compliant with baseband transmission standards)

Insulation layer material

Cross linked polyethylene (XLPE) with insulation thickness of 0.6mm

Shielding structure

Inner layer 95% tin plated copper mesh+outer layer aluminum foil double shielding

Outer sheath material

Flame retardant PVC, color industrial gray (RAL 7035)

Terminal connector

BNC/Q9 type crimping joint, gold-plated contacts, IP67 protection

rated voltage

300V AC/DC (peak)

Working temperature range

-40℃~105℃

relative humidity

0%~95% (no condensation)

standard length

1m, 2m, 5m, 10m (customizable up to 100m)

Flame retardant rating

UL94 V-0 level

signal attenuation

≤ 0.5dB/10m (at 1MHz frequency)

Applicable scenarios and supporting applications

P0500RG terminal cable is widely used in various FOXBORO automation control systems due to its high compatibility and environmental adaptability. The core applicable scenarios and supporting equipment include:

1. FOXBORO Node Bus System: Equipped with P0400ZG Node Bus NBI Interface Module, it connects distributed I/O nodes and controllers for pressure and flow signal transmission in petrochemical refining units, ensuring accurate issuance of control instructions.

2. Power module power supply link: In conjunction with the P0400GH fieldbus power module, it provides stable power transmission for field instruments and transmits equipment status feedback signals, suitable for power wiring of auxiliary control systems in power plants.

3. I/O module and instrument connection: Connect FBM207B and other I/O modules with on-site sensors (such as temperature and liquid level sensors) to achieve stable transmission of monitoring data in high-temperature environments such as metallurgical blast furnace workshops.

4. Wiring in harsh environments: Used to connect water quality analysis instruments and control modules in humid and corrosive environments such as sewage treatment plants and chemical storage tank areas, ensuring long-term reliable operation with chemical corrosion resistance.

5. High speed communication scenario: Suitable for communication links with speeds of 19200bps and above in FOXBORO systems, such as signal transmission between robot workstations and controllers in intelligent manufacturing production lines.

Key points of installation and operation and maintenance

1. Installation specifications

-Cable wiring should be kept away from high-voltage cables (with a spacing of ≥ 30cm) and strong interference sources such as motors and frequency converters, to avoid parallel laying; If crossing is required, a vertical crossing method should be used and a spacing of ≥ 10cm should be maintained.

-During the installation of terminal connectors, specialized crimping tools should be used to ensure a reliable connection between the shielding layer and the connector housing, avoiding shielding failure; After crimping, the firmness of the connection between the joint and the cable should be checked, with a tensile force of ≥ 50N.

-When installing outdoors or in humid environments, waterproof tape should be wrapped around the cable joints to enhance protection and ensure effective IP67 protection level.

2. Operation and maintenance testing

-Regularly use a multimeter to check the conductivity of the cable to ensure that the conductor is not broken; Measure the characteristic impedance using an impedance tester, and replace it promptly if the deviation exceeds ± 10%.

-Check for any damage or aging of the outer sheath, especially in oily and acidic environments. It is recommended to conduct a comprehensive inspection every 6 months.

-When the system experiences signal packet loss or increased transmission delay, the waveform of the cable signal can be detected by an oscilloscope to determine whether there is interference or attenuation.

3. Storage requirements

Unused cables should be stored in a dry and ventilated environment, avoiding direct sunlight and contact with chemical reagents; The storage temperature should be controlled between -20 ℃ and 40 ℃ to avoid damage to the insulation layer caused by long-term compression.

Product advantages

-System level adaptability: Designed specifically for FOXBORO devices, it can be used directly without additional adapters, reducing system integration risks and costs.

-Stable signal transmission: Accurate matching of 50 Ω characteristic impedance, combined with dual shielding design, effectively avoids signal reflection and electromagnetic interference, and the transmission reliability reaches 99.99%.

-Strong environmental tolerance: With a wide temperature range and flame retardant and corrosion-resistant properties, it is suitable for various harsh industrial environments and has a service life of over 10 years.

-Easy installation and operation: standardized joints and flexible wiring characteristics simplify on-site construction; Clear length markings and color differentiation facilitate later maintenance and identification.

-Safety compliance: Compliant with international safety standards such as UL and CE, with a flame retardant rating of V-0, meeting the requirements for use in explosion-proof areas such as chemical and coal mines (requiring explosion-proof joints).