ProSoft MVI69-FLN FL-net (FA Control Network) Communication Module

FAQ

Q1. What is the MVI69-FLN used for?
It is used to connect Allen-Bradley CompactLogix PLCs to FL-net industrial networks, mainly in factory automation systems.

Q2. What is FL-net?
FL-net is a Japanese industrial Ethernet-based, masterless control network used for multi-vendor PLC and motion control communication.

Q3. Is this a PLC module or a standalone device?
It is a PLC communication module that installs inside a 1769 CompactLogix chassis.

Q4. How does it transfer data to the PLC?
It maps network data into an internal database that is accessed via ladder logic or Add-On Instructions.

Q5. Does it require special programming?
Yes, it requires configuration files and usually a ProSoft Add-On Instruction (AOI) in Studio 5000.

Q6. What makes it different from Modbus modules?
Unlike Modbus modules, FL-net supports peer-to-peer, masterless communication between controllers.

Q7. Is it still widely used today?
It is mainly used in legacy or installed systems, especially in Asian industrial plants.

Q8. What is its installation requirement?
It occupies a single slot in a 1769 CompactLogix rack and draws backplane power (no external wiring power needed).