FOXBORO P0971XU is a core auxiliary component designed by FOXBORO for the I/A Series (Intelligent Automation Series) distributed control system (DCS). Its essence is a module socket and DIN rail integration device. Its core function is to provide safe and stable mechanical fixation and reliable electrical connection interfaces for I/A series control system modules, serving as a "connection bridge" between modules and system cabinets. This component adopts an industrial grade reinforced structure design, which is suitable for the installation requirements of FOXBORO's entire series of control modules. It can maintain stable performance in complex industrial environments such as manufacturing, energy, and transportation, and is a key basic component to ensure the rapid deployment, safe operation, and convenient maintenance of control system modules.
Product Overview
FOXBORO P0971XU is a core auxiliary component designed by FOXBORO for the I/A Series (Intelligent Automation Series) distributed control system (DCS). Its essence is a module socket and DIN rail integration device. Its core function is to provide safe and stable mechanical fixation and reliable electrical connection interfaces for I/A series control system modules, serving as a "connection bridge" between modules and system cabinets. This component adopts an industrial grade reinforced structure design, which is suitable for the installation requirements of FOXBORO's entire series of control modules. It can maintain stable performance in complex industrial environments such as manufacturing, energy, and transportation, and is a key basic component to ensure the rapid deployment, safe operation, and convenient maintenance of control system modules.
Compared with ordinary industrial connectors, P0971XU has a modular architecture that deeply matches the I/A series system. It not only has DIN rail standard installation characteristics, but also ensures electrical contact stability during module insertion and removal through precise socket spacing and contact design. At the same time, it supports hot plug operation to adapt to the system's non-stop maintenance needs, greatly improving the deployment efficiency and operational flexibility of the control system. Its fully sealed contact protection design can effectively isolate industrial dust and humid gases, coupled with a sturdy mechanical structure, making it an indispensable auxiliary component in I/A series system integration.
Specification parameters
Brand/Model: FOXBORO P0971XU; Series: I/A Series; Type: Module socket component+DIN rail
Exclusive adaptation to FOXBORO I/A series control system module
Physical specifications
Dimensions: 10.6cm × 9.3cm × 2.3cm; Weight: 1.5kg (net weight)/2.1kg (including packaging)
Compact structure, suitable for installation space of standard industrial control cabinets
Connection performance
Number of sockets: Match module pins as needed (standard 24 pin basic configuration); Contact material: gold-plated copper alloy; Contact resistance: ≤ 5m Ω
Low contact resistance ensures signal transmission efficiency, and the gold plating layer enhances oxidation resistance
Installation Features
Installation method: DIN rail buckle type; Compatible rail specifications: 35mm standard DIN rail; Plug and unplug lifespan: ≥ 1000 times
Snap on design enables quick installation and meets frequent maintenance needs
environmental adaptability
Working temperature: -10 ℃~60 ℃; Storage temperature: -20 ℃~75 ℃; Relative humidity: 1%~32% (non condensing)
Adapt to high, low temperature, and low humidity industrial environments to avoid condensation affecting contact performance
Safety and Protection
Protection level: IP20 (body); Insulation resistance: ≥ 100M Ω (500V DC); Voltage endurance: 1500V AC/1min
Compliant with industrial electrical safety standards to prevent leakage and short circuit risks
Performance characteristics
FOXBORO P0971XU relies on FOXBORO's technological accumulation in the industrial connection field and the adaptation requirements of I/A series systems, and has multiple core performance advantages:
1. Precise adaptation and wide compatibility: Adopting the I/A series module standard pin spacing design, it accurately matches the connection requirements of various FOXBORO control modules and signal modules, achieving seamless docking without the need for additional adapter components. At the same time, it is compatible with some third-party industrial modules of the same specifications, improving the flexibility of system component selection.
2. Stable installation and convenient operation: Integrated with a 35mm standard DIN rail buckle structure, there is no need to drill holes for fixation during installation. The rail can be quickly clamped with the buckle, and disassembly can be completed by simply pressing the unlock button; The module and socket components adopt a guided plug-in design, which can be easily aligned and installed, greatly reducing on-site deployment time.
3. Reliable electrical connection performance: The contacts are made of gold-plated copper alloy material, combined with an elastic contact plate structure to ensure a tight fit of the contacts after module insertion. The contact resistance is controlled within 5m Ω, effectively reducing signal transmission loss; The insulation shell is made of flame-retardant polycarbonate material, with a voltage resistance of up to 1500V AC, eliminating the risk of leakage and short circuit.
4. Environmental tolerance and protection capability: The fully sealed contact design, combined with IP20 protection level, can effectively block industrial dust from entering the contact area and adapt to multi dust environments such as manufacturing workshops and energy stations; The wide temperature working range design ensures stable performance in both cold winter and high-temperature machine room environments.
5. Support hot plugging and convenient maintenance: Adapt to the hot plugging characteristics of the I/A series system, safely complete module plugging and unplugging operations when the system is running on power, and with a plug and unplugging life design of ≥ 1000 times, meet the control system's non-stop maintenance needs and reduce unplanned downtime.
6. Lightweight and structural strength balance: The net weight design of 1.5kg reduces the load-bearing pressure of the cabinet, while using reinforced nylon shell and metal buckle structure, with impact resistance up to IEC 60068-2-27 standard, which can withstand accidental collisions during on-site installation and maintenance.
Working principle
FOXBORO P0971XU serves as the "connection hub" of the control system module, and its core work is to achieve reliable integration between the module and the system through the dual effects of mechanical fixation and electrical conduction. The specific working mechanism is as follows:
1. Mechanical fixation and positioning: The component is fixed on a 35mm standard DIN rail through a buckle structure to complete installation and positioning inside the control cabinet; When inserting the module, the guide groove of the component guides the module to be accurately positioned, and the shell buckle automatically locks the module to prevent the module from loosening and shifting due to industrial site vibration, ensuring the stability of the mechanical structure.
2. Electrical connection establishment: After the module pins are fully inserted into the socket, the gold-plated elastic contacts tightly adhere to the pins under the action of elasticity, forming a low resistance conductive path; This pathway connects the power pins and signal pins of the module to the power bus and signal bus inside the cabinet, respectively, to achieve power supply and data exchange between the module and the system.
3. Signal transmission guarantee: The low contact resistance characteristics of gold-plated contacts reduce attenuation during signal transmission, and with the insulation isolation design between contacts, avoid crosstalk between different signal circuits; For analog signals, stable contact performance ensures the transmission accuracy of signals such as 4-20mA, providing a basic guarantee for precise control of the control system.
4. Hot swappable safety mechanism: The component is designed with a slow pull contact structure, and there is a timing difference between the power contact and the signal contact during the module plugging process - the power contact is connected first and the signal contact is connected later when inserting; When unplugging, the signal contact is disconnected first, and the power contact is disconnected later to avoid the interference of electrical pulses generated during plugging and unplugging, ensuring the safety of hot plugging operations.
5. Environmental protection function: The sealed contact chamber and dust-proof shell block dust and water vapor from entering the contact area, while the gold plating layer prevents contact oxidation and corrosion, extending the service life of electrical connections and ensuring long-term stability in low humidity and dusty industrial environments.





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