Introduction
The Yokogawa F3LE11-1T Ethernet Interface Module is a high-performance communication unit designed for FA-M3 PLC systems, enabling fast and reliable integration with industrial Ethernet networks. It connects controllers with SCADA systems, engineering workstations, and industrial PCs, supporting real-time data exchange and remote system operation.
Built for modern automation environments, this module provides both 10 Mbps and 100 Mbps communication capability, making it suitable for mixed-generation network infrastructures. It also includes enhanced communication features such as email-based notifications and advanced remote diagnostics, improving overall system visibility and responsiveness.
Technical Specifications
| Parameter | Specification |
|---|
| Model | F3LE11-1T |
| Module Type | Ethernet Interface Module |
| Series | FA-M3 |
| Ethernet Standard | IEEE 802.3 |
| Communication Speed | 10 / 100 Mbps auto-switching |
| Interface Type | 10BASE-T / 100BASE-TX |
| Communication Protocols | TCP/IP, UDP/IP, ICMP, ARP |
| Advanced Protocols | SMTP, POP3, HTTP 1.0 |
| Transmission Method | Baseband |
| Access Control | CSMA/CD |
| Max Cable Distance | 100 m (twisted pair) |
| Network Topology | Star / switched Ethernet |
| PLC Access | Full read/write to FA-M3 devices |
| Remote Functions | Program upload/download, RUN/STOP, diagnostics |
| Email Function | Supported (SMTP/POP3) |
| Power Consumption | Approx. 330 mA |
| Mounting | FA-M3 base unit slot |
| Operating Temperature | 0°C to 55°C |
| Storage Temperature | -20°C to 75°C |
| Humidity | 10–90% RH (non-condensing) |
| Dimensions (W × H × D) | 28.9 × 100 × 83.2 mm |
| Weight | Approx. 0.1 kg |
Applications
The F3LE11-1T is widely used in industrial automation systems that require stable, high-speed Ethernet communication and remote control capabilities. Its flexibility supports a broad range of applications, including:
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SCADA and centralized monitoring systems
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Factory-wide automation networks
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Remote PLC programming and maintenance
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Industrial data logging and reporting systems
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Multi-controller synchronized production lines
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Smart manufacturing and digital factory integration
Its dual-speed capability makes it especially useful in systems transitioning from legacy networks to modern Ethernet infrastructure.
Advantages
One of the key strengths of the F3LE11-1T is its dual-speed Ethernet support (10/100 Mbps auto-negotiation), ensuring compatibility with both older and modern industrial networks without additional hardware changes.
It supports advanced communication protocols including SMTP and POP3, enabling email-based alerts for system events, alarms, and operational status updates. This enhances remote monitoring capabilities and system responsiveness.
The module allows direct access to PLC device memory, eliminating the need for complex communication programming and simplifying system integration.
Its remote engineering capability enables program upload, download, and system diagnostics over Ethernet, significantly reducing maintenance downtime and improving operational efficiency.
Additionally, built-in diagnostic functions and stable CSMA/CD-based Ethernet operation ensure reliable performance even in high-traffic industrial networks.
Technical FAQs
1. What is the main function of the F3LE11-1T?
It provides Ethernet communication between FA-M3 PLC systems and external devices such as SCADA systems and industrial PCs.
2. Does it support both 10 Mbps and 100 Mbps?
Yes, it automatically switches between 10BASE-T and 100BASE-TX.
3. What protocols are supported?
TCP/IP, UDP/IP, ICMP, ARP, SMTP, POP3, and HTTP 1.0.
4. Can it send email notifications?
Yes, it supports SMTP/POP3-based email communication for alerts and status updates.
5. Is remote PLC programming possible?
Yes, it supports program upload, download, and remote control functions.
6. What is the maximum cable distance?
Up to 100 meters using standard Ethernet cabling.
7. Does it require special programming?
No, it uses built-in FA-M3 Ethernet communication functions.
8. Is it suitable for real-time monitoring?
Yes, it supports real-time data exchange over Ethernet networks.
9. What type of network topology is supported?
Star and switched Ethernet configurations are supported.
10. Is it compatible with SCADA systems?
Yes, it is widely used for SCADA and industrial control system integration.
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