The Yokogawa F3LE11-1T, also cataloged as the F3LE11-1T Ethernet Interface Module, operates as a dedicated hardware component for network data exchange and TCP/IP protocol processing within FA-M3 PLC platforms.
| Parameter | Specification |
|---|---|
| Model | F3LE11-1T |
| Brand | Yokogawa Electric Corporation |
| Origin | Japan |
| Weight | 0.16 kg |
| Dimensions | 28.9 x 100 x 83.2 mm |
| Operating Temp | 0 to 55 deg C |
| Power Consumption | 220 mA at 5 VDC (internal bus) |
| Physical Connector | RJ45 modular jack (10BASE-T / 100BASE-TX) |
| Communication Protocols | TCP/IP, UDP/IP, ICMP, ARP, SMTP, POP3 |
| Max Transmission Distance | 100 meters per segment (Cat5 or higher) |
| System Mounting | FA-M3 / FA-M3V base unit slot insertion |
The F3LE11-1T interface module executes deterministic Ethernet communication while routing digital state data from field instrumentation across the internal FA-M3 backplane bus. Photocoupler and Ethernet-to-logic galvanic isolation protect internal microprocessor circuits from high-frequency electromagnetic noise and field voltage spikes. When integrated with process I/O arrays processing 4-20 mA HART loop protocol parameters, the module enforces clear electrical channel-to-channel isolation boundaries, preventing ground loops from disrupting TCP/IP packet transmission or corrupting automated email alarm triggers.
Q: Does the F3LE11-1T module require external power supply connections?
A: No. The unit draws power directly from the internal 5 VDC backplane supply of the FA-M3 base unit, consuming a maximum current of 220 mA during active packet processing.
Q: What network topology limits apply when cascading segments with the F3LE11-1T?
A: The module adheres to IEEE 802.3 standards, supporting maximum segment lengths of 100 meters over Category 5 twisted-pair cabling with CSMA/CD access control across standard star or cascaded configurations.
Insert the F3LE11-1T module vertically into the designated slot of the FA-M3 base unit, pressing firmly until the retention mechanism fully engages. Ensure the base unit main power is completely de-energized prior to module insertion or removal. Connect standard Category 5 or higher shielded twisted-pair (STP) cable to the front RJ45 connector, maintaining proper cable shield grounding at the patch panel to mitigate external electrical noise. Maintain a minimum bending radius for Ethernet cabling inside the panel to prevent conductor fatigue and signal degradation.
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