The YOKOGAWA F3LC11-2N is a Personal Computer Link Module manufactured by Yokogawa Electric Corporation.

It is used to establish a communication channel between a higher-level computer, such as a personal computer or FA (Factory Automation) computer, and a lower-level programmable logic controller (PLC) or other industrial automation devices.

• Function: Provides an RS-422/RS-485 communication interface
• Connection: Connects to the higher-level computer through an RS-422-A/RS-485 interface
• Network Topology: Supports a multi-drop network with a maximum of 32 slave devices (FA-M3) connected to a single master station (higher-level computer)