Description
Product Description
The YOKOGAWA F3NC02-0N is a high-performance network communication module designed for integration into Yokogawa’s FA-M3 and PLC series. This module serves as a critical interface, enabling seamless and reliable data exchange between the host controller and various field devices or supervisory systems over a standard Ethernet network. The primary function of the YOKOGAWA F3NC02-0N is to facilitate open connectivity, supporting protocols such as Modbus/TCP, allowing for easy integration with SCADA, HMI, and other third-party control systems. Engineered for industrial durability, this module ensures stable communication in demanding environments, which is a hallmark of Yokogawa’s commitment to robust automation solutions. Implementing the YOKOGAWA F3NC02-0N effectively future-proofs control architectures by bridging legacy PLC systems with modern Ethernet-based industrial networks.
Product Parameters
- Product Series: FA-M3 / PLC Series Communication Module
- Interface Type: 10BASE-T/100BASE-TX Ethernet (RJ45)
- Supported Protocols: Modbus/TCP (Client/Server), FA-M3 Tool Port, FTP
- Number of Connections: Up to 32 simultaneous TCP connections
- Power Supply: 5VDC from the base unit (backplane)
- Operating Temperature: 0 to 55 °C
- Storage Temperature: -25 to 75 °C
- Relative Humidity: 5 to 95% (non-condensing)
- Vibration Resistance: Conforms to JIS C0040 standard
- Shock Resistance: Conforms to JIS C0041 standard
- Certifications: CE, UL, cULus
Advantages and Features
- Open Network Integration: The YOKOGAWA F3NC02-0N excels in providing open-standard Ethernet communication, breaking down proprietary barriers and simplifying connectivity with a wide array of software and hardware.
- High Reliability & Determinism: Designed for mission-critical applications, it offers stable and deterministic data transmission, minimizing packet loss and ensuring timely data exchange for precise control.
- Dual Protocol Support: It natively supports both the widely adopted Modbus/TCP for interoperability and the dedicated FA-M3 protocol for high-speed, reliable communication with programming and monitoring tools.
- Robust Industrial Design: Built to withstand typical industrial challenges like temperature fluctuations, vibration, and electrical noise, ensuring long-term operation without failure.
- Easy Configuration: Configuration is streamlined through dedicated software, allowing for quick setup of IP addresses, network parameters, and communication parameters without extensive programming overhead.
Application Cases in Application Fields
- Water/Wastewater Treatment: Used to connect FA-M3 PLCs controlling filter beds and chemical dosing stations to a central SCADA system for remote monitoring of flow rates, pH levels, and tank levels via Modbus/TCP.
- Pharmaceutical Manufacturing: Integrates batch process control systems (controlled by Yokogawa PLCs) with manufacturing execution systems (MES) for recipe management and data logging, ensuring compliance with regulatory standards.
- Automotive Production Lines: Facilitates communication between robotic cell controllers (as Modbus/TCP clients) and the main line PLC, enabling synchronized operation and real-time fault reporting.
- Building Management Systems (BMS): Acts as a gateway, allowing HVAC and lighting control panels based on FA-M3 PLCs to be integrated into a facility-wide IP network for centralized energy management.
Comparisons with Competing Products
Compared to standard third-party Ethernet adapters or basic communication modules from some competitors, the YOKOGAWA F3NC02-0N offers distinct advantages. Unlike generic modules, it is fully hardware- and software-optimized for the FA-M3 series, ensuring 100% compatibility and leveraging the PLC’s internal bus at optimal speeds. While some competitor modules may only support a single protocol, the F3NC02-0N’s dual-protocol architecture provides greater flexibility. Its rugged industrial specifications often exceed those of generic commercial-grade Ethernet devices, providing superior longevity in harsh plant environments. The deep integration with Yokogawa’s engineering tools also simplifies diagnostics and maintenance compared to using a separate, unintegrated gateway device.
Selection Suggestions and Precautions
- Selection Suggestions:
- Confirm that your host controller is a compatible Yokogawa FA-M3 or PLC series CPU unit.
- Verify that your network infrastructure (switches, cables) meets industrial Ethernet standards for reliable operation.
- Ensure the Modbus/TCP functionality matches your system architecture needs (determine if the PLC will act as a Server, Client, or both).
- Check for available slot space on the PLC base unit for module installation.
- Precautions:
- Network Security: When connecting the YOKOGAWA F3NC02-0N to an enterprise network, implement appropriate cybersecurity measures such as firewalls, network segmentation, and VLANs to protect the control system from unauthorized access.
- IP Address Planning: Carefully plan and assign static IP addresses to avoid network conflicts.
- Firmware Updates: Check for the latest firmware version from Yokogawa’s official support site to benefit from performance improvements and bug fixes.
- Environmental Limits: Do not install the module in environments that exceed its specified temperature, humidity, or vibration ratings, as this may void warranties and lead to premature failure.
- Always refer to the official YOKOGAWA F3NC02-0N manual for detailed wiring, configuration, and safety instructions.

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