The FOXBORO CM902WX communication processor is an embedded communication module designed specifically for industrial automation environments, belonging to FOXBORO's I/A Series ® The control system product line mainly undertakes core tasks such as data forwarding, protocol conversion, and communication link management. This device adopts a high reliability hardware architecture and industrial grade protection design, which can adapt to harsh industrial environments such as high temperature, high humidity, and electromagnetic interference, ensuring the continuity of communication links and the accuracy of data transmission. It is the "bridge" connecting on-site equipment and control centers.
Basic Overview of Equipment
The FOXBORO CM902WX communication processor is an embedded communication module designed specifically for industrial automation environments, belonging to FOXBORO's I/A Series ® The control system product line mainly undertakes core tasks such as data forwarding, protocol conversion, and communication link management. This device adopts a high reliability hardware architecture and industrial grade protection design, which can adapt to harsh industrial environments such as high temperature, high humidity, and electromagnetic interference, ensuring the continuity of communication links and the accuracy of data transmission. It is the "bridge" connecting on-site equipment and control centers.
Its core positioning is to solve the problem of "information silos" in industrial control systems, achieve seamless data exchange between intelligent devices of different manufacturers and protocols and upper computer systems (such as SCADA, DCS), and provide a stable data channel for monitoring, data analysis, and remote management of production processes.
Core functional features
1. Multi protocol conversion and compatibility capability
This is one of the core features of CM902WX. Industrial field equipment protocols are complex, such as Modbus (RTU/TCP), PROFINET, EtherNet/IP, DeviceNet, FOXBORO exclusive FOXCOM protocol, etc. CM902WX has a rich protocol parsing module built-in, which can achieve bidirectional conversion between multiple protocols. For example, the Modbus RTU signals from on-site sensors can be converted into EtherNet/IP signals and transmitted to the upper DCS system. At the same time, the commands from the control center can be reverse converted into a protocol that can be recognized by the equipment to ensure accurate command issuance. This multi protocol compatibility greatly reduces the difficulty of system integration and improves the universality of devices.
2. Efficient data forwarding and processing
The CM902WX adopts a high-performance embedded processor with powerful data processing capabilities, supports parallel transmission of multiple data channels, and has a data forwarding delay as low as milliseconds, which can meet the strict real-time requirements of industrial control. At the same time, the device supports data filtering and priority sorting functions, which can filter key data according to business needs, prioritize the transmission of important information such as control instructions, and improve communication efficiency.
3. Communication link redundancy and reliability assurance
To cope with production interruptions caused by communication link failures in industrial sites, the CM902WX is equipped with a dual port redundancy design that supports link redundancy backup. When the main communication link fails, the device can automatically switch to the backup link with a very short switching time, ensuring uninterrupted data transmission. In addition, the equipment also has fault diagnosis and alarm functions, which can monitor the communication link status and equipment operating parameters in real time. When there are problems such as link interruption, protocol abnormalities, hardware failures, etc., it can send alarm signals through sound and light alarms or to the upper system for timely handling by operation and maintenance personnel.
4. Flexible configuration and management methods
CM902WX supports two methods: local configuration and remote management. Local configuration terminals can be connected through the device's built-in RS232/RS485 interface, using FOXBORO dedicated configuration software (such as I/A Series) ® Set parameters using Engineering Tools; Remote access to industrial Ethernet can be achieved through Ethernet interfaces, allowing operation and maintenance personnel to remotely configure equipment, upgrade firmware, monitor status, and troubleshoot faults in the control center, greatly reducing operation and maintenance costs and improving management efficiency. At the same time, the configuration software provides a graphical user interface, making parameter settings intuitive and convenient, without the need for complex programming knowledge.
5. Industrial grade protection and stability design
The equipment adopts industrial grade wide temperature design, with a working temperature range of usually -40 ℃~70 ℃, which can adapt to industrial environments with alternating high and low temperatures; The protection level reaches IP30 or above, effectively preventing dust and oil pollution; The hardware circuit adopts anti electromagnetic interference (EMC) design, which complies with the IEC 61000 series electromagnetic compatibility standards and can resist electromagnetic radiation and interference in industrial sites, ensuring stable operation of the equipment in complex environments. In addition, the device supports fanless cooling design, reducing mechanical failure points and further improving the reliability and service life of the device.
Key technical parameters
Processor performance
32-bit high-performance embedded processor with a clock speed of ≥ 500MHz
communication interface
Two 10/100/1000Mbps adaptive Ethernet ports (RJ45); Two RS232/RS485 switchable serial interfaces; 1 FOXCOM dedicated interface
Supported Protocols
Modbus RTU/TCP, PROFINET, EtherNet/IP, DeviceNet, FOXCOM, OPC UA, etc
working power supply
DC 24V ± 10%, power consumption ≤ 15W
Operating Temperature
-40℃~70℃
Protection level
IP30 (modular), IP65 (standalone, optional)
Electromagnetic Compatibility
Compliant with IEC 61000-4-2 (ESD), IEC 61000-4-3 (radiated immunity), IEC 61000-4-6 (conducted immunity)
Installation method
DIN rail installation or panel installation
Applicable scenarios
The FOXBORO CM902WX communication processor is widely used in the following industrial fields due to its high reliability, multi protocol compatibility, and flexible configuration capabilities:
1. Petrochemical industry: In the process of petroleum refining and chemical production, connecting pressure transmitters, flow sensors, valve actuators and other equipment on site with DCS systems to achieve real-time collection of production parameters and precise issuance of control instructions, ensuring the safety and stability of the production process.
2. Power industry: Used in automation systems of power plants and substations to achieve data communication between relay protection devices, measurement and control devices, smart meters, and SCADA systems, supporting real-time monitoring of power parameters, fault diagnosis, and remote dispatch.
3. Metallurgical industry: In the process of steel and non-ferrous metal smelting, various detection and control equipment under high temperature and high pressure environments are connected to achieve real-time transmission of smelting parameters and closed-loop control of the production process, thereby improving product quality and production efficiency.
4. Water treatment industry: used for automation systems in water treatment plants and sewage treatment plants, connecting water quality monitoring sensors, pumps, valves and other equipment to achieve real-time collection of water quality parameters, automatic control of water treatment processes, and remote operation and maintenance management.
5. In the field of intelligent manufacturing: In the production line of smart factories, data exchange between PLC, robots, intelligent terminals and MES (Manufacturing Execution System) is achieved, supporting real-time statistics of production data, optimization of production processes, and flexible production scheduling.
Summary of Equipment Advantages
1. Multi protocol compatibility: Built in rich protocol modules, no need to add additional conversion devices, reducing system integration costs;
2. High reliability: Dual link redundancy, industrial grade protection, and anti-interference design ensure stable operation in harsh environments;
3. Strong real-time performance: High performance processors support efficient data forwarding, meeting the real-time requirements of industrial control;
4. Convenient management: Supports local and remote configuration management, high operation and maintenance efficiency, and reduces labor costs;
5. Brand guarantee: FOXBORO, as a well-known brand in the field of industrial automation, provides comprehensive technical support and after-sales service, ensuring equipment compatibility and upgradability.





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