FOXBORO P0961CA fiber optic LAN module

FOXBORO P0961CA fiber optic LAN module

Product Overview

The FOXBORO P0961CA fiber optic LAN module is a high-performance communication module specially designed for industrial automation scenarios by FOXBORO Corporation (a subsidiary of Avis) in the United States. It belongs to the classic I/A series product camp. This module is based on fiber optic communication technology and aims to provide stable and high-speed LAN interconnection capabilities for industrial control systems. It solves communication problems such as electromagnetic interference and signal attenuation in industrial environments through the natural advantages of fiber optic media.

As a core component of industrial grade networks, it adopts a compact modular structure design, which not only facilitates installation and deployment in standard cabinets, but also reduces the complexity of later maintenance and system upgrades. It is widely compatible with various DCS/PLC control systems and is the core component for achieving equipment interconnection and data transmission in key industrial fields such as petroleum, chemical, and power.

Specification parameters

Brand/Model

FOXBORO P0961CA

Belonging series

I/A series

place of origin

the United States

warranty period

a year

Physical specifications

weight

1.14kg-2kg (slightly different batches)

Physical specifications

size

38 × 19 × 8 cm

Electrical parameters

Input voltage range

100-240VAC

Electrical parameters

Input frequency range

47-63 Hz

Electrical parameters

output frequency

Standard kHz range

core configuration

Instruction processor

Hard PLC (LD instruction support)

core configuration

Adaptation system

DCS/PLC control system

Performance characteristics

-High speed and stable fiber optic transmission: Using dedicated fiber optic communication technology, compared to traditional copper cable transmission, it can effectively reduce signal attenuation and electromagnetic interference (EMI), ensure high-speed and error free data transmission in complex industrial environments, and meet the response requirements of real-time control scenarios.

-Highly modular design: Following the unified modular architecture standards of the I/A series, the structure is compact and the installation interface is standardized. It can be directly embedded into existing system cabinets, simplifying the initial installation process and facilitating later troubleshooting, module replacement, and system expansion and upgrading, reducing operation and maintenance costs.

-Wide protocol compatibility: Deeply adapted to mainstream communication protocols and control systems in the industrial field, it can be seamlessly integrated into FOXBORO I/A series DCS and other brand PLC systems without the need for large-scale equipment modification, enhancing system integration flexibility.

-Industrial grade reliability: Through rigorous industrial environment testing and quality control processes, it has excellent resistance to vibration, impact, and wide temperature adaptability, and can operate stably for a long time in harsh industrial scenarios, reducing the risk of unplanned downtime.

Working principle

The FOXBORO P0961CA module is essentially a “data conversion and transmission hub” in industrial control systems. Its workflow revolves around the conversion and transmission core of “electrical signal optical signal electrical signal”, which is divided into three key stages:

1. Signal access and conversion: The module receives electrical signals (digital control instructions or collected data) from the controller (such as PLC/DCS master station) through a standard electrical interface, and after signal conditioning by an internal hard PLC processor, transmits them to the photoelectric conversion unit to convert the electrical signals into optical signals suitable for fiber optic transmission.

2. High speed fiber optic transmission: The converted optical signal is transmitted through a dedicated fiber optic link, utilizing the anti electromagnetic interference and low loss characteristics of fiber optic media to ensure the integrity and real-time transmission of data over long distances (compared to copper cables), avoiding electromagnetic interference from industrial equipment such as motors and frequency converters that can interfere with the signal.

3. Signal restoration and feedback: After the optical signal is transmitted to the target node, the built-in optoelectronic demodulation unit of the module restores it to a standard electrical signal, and then feeds it back to the receiving device (such as remote I/O module, operation station or other controller) through the electrical interface, completing a complete data communication loop and realizing the issuance of control instructions and the upload of on-site data.

Throughout the process, the hard PLC processor plays a core role in signal processing and protocol parsing, ensuring compatibility of communication protocols between different devices and achieving “barrier free” data exchange.

Precautions

This module is an industrial grade equipment, and installation, operation, and maintenance must be strictly carried out by professional technicians in accordance with the following specifications to avoid equipment damage or system failures.

-Installation environment requirements: It should be installed in a well ventilated, dust-free, and non corrosive industrial cabinet, avoiding direct exposure to moisture (relative humidity ≤ 90%, no condensation), high temperature (recommended working temperature 0-60 ℃), or strong vibration environment, and away from high-power electromagnetic radiation sources (such as large motors and welding machines).

-Electrical connection specifications: The input voltage must strictly match the range of 100-240VAC, and it is strictly prohibited to operate beyond the rated voltage; Before wiring, the upper power supply must be cut off to ensure correct polarity connections and avoid short circuits that may cause module burnout.

-Key points for fiber optic operation: Fiber optic interfaces are precision components, and should be operated gently during insertion and removal to avoid violent insertion and removal that may damage the interfaces; The fiber optic end face needs to be kept clean. If there are stains, they can be wiped with specialized fiber optic cleaning paper. It is strictly prohibited to touch or wipe with ordinary paper towels.

-Debugging and maintenance standards: The first debugging requires parameter configuration through FOXBORO dedicated debugging software to ensure that the communication protocol matches the system; During daily maintenance, it is necessary to regularly check the status of the module indicator light (the indicator light is stable green during normal operation, flashing or red indicates a fault), clean the surface dust of the module regularly, and avoid poor heat dissipation.

-Spare parts and replacement requirements: When replacing modules, genuine FOXBORO spare parts of the same model should be selected to avoid using compatible parts that may cause system communication abnormalities; Before replacement, it is necessary to back up the original module parameters, import the parameters again after replacement, and conduct communication testing to ensure normal linkage with the system.

Application scenarios

Based on its high-speed communication, anti-interference, and high reliability characteristics, the FOXBORO P0961CA module is widely used in various industrial fields that require strict communication stability. The core application scenarios include:

1. Petrochemical industry: In the DCS distributed control system of refining and chemical plants, it is used to connect on-site measurement and control equipment (such as pressure transmitters, flow sensors, regulating valves) with the central control room operation station, realize real-time transmission of key process parameters such as reactor temperature and pipeline pressure, and accurately issue control instructions to ensure the safety and stability of the production process.

2. In the field of power energy: suitable for unit monitoring systems in thermal power plants and hydropower stations, connecting monitoring modules of large equipment such as generators and turbines with PLC controllers, transmitting equipment operation status data (such as speed, vibration, oil temperature), and ensuring continuous operation of power production; It can also be used in substation automation systems to achieve equipment status monitoring and remote control.

3. Metallurgy and Manufacturing: In high-temperature and high interference scenarios such as blast furnace and converter steelmaking in steel plants, it is used to build anti-interference communication links, connect PLCs with on-site actuators (such as hydraulic valves and conveyor belt motors), and achieve automated control of the smelting process; In automobile manufacturing and mechanical processing production lines, network synchronization control of multi axis equipment is supported to ensure production accuracy and efficiency.

4. In the field of new energy and environmental protection: In solar thermal power generation systems, servo drive modules are used to connect hundreds of solar reflectors, achieving real-time adjustment of mirror angles and data transmission, maximizing solar energy reception efficiency; In the self-control system of sewage treatment plants, water quality monitoring data is transmitted along with control signals for water pumps and aeration equipment.

5. General scenario of process control: As a universal fiber optic communication module, it can be used for various industrial automation systems that require long-distance and anti-interference data transmission, such as production line monitoring and control network construction in industries such as papermaking, printing and dyeing, and cement production.