Schneider Electric 140NOL91120C Modicon Quantum LonWorks Communication Module with FTT-10 Free Topology Support

Applications

The 140NOL91120C is widely used in systems requiring distributed communication and flexible network topology:

• Building automation systems (HVAC, lighting, energy control)
• Industrial distributed control systems (DCS)
• Smart infrastructure and facility management
• Energy monitoring and optimization systems
• Integration of heterogeneous devices across large facilities

Advantages

• Flexible Network Topology: FTT-10 allows free wiring configurations, reducing installation constraints.
• Reliable Distributed Communication: Designed for stable multi-node LonWorks networks.
• High Interoperability: Enables communication between devices from different vendors within LON ecosystems.
• Industrial Durability: Suitable for harsh environments with stable performance.
• Seamless Integration: Fully compatible with Modicon Quantum architecture for easy deployment.

Technical FAQs

1. What is the main function of the 140NOL91120C?
   It enables communication between Quantum PLCs and LonWorks-based networks.
2. Which protocol does it use?
   LonWorks (FTT-10) communication protocol.
3. What network topologies are supported?
   Bus, star, and free topology configurations.
4. What is the data transmission speed?
   Approximately 1.25 Mbps.
5. Is it suitable for building automation systems?
   Yes, it is widely used in HVAC, lighting, and energy systems.
6. What are the module dimensions?
   155 × 110 × 45 mm.
7. What is the weight?
   Approximately 0.5 kg.
8. Does it include diagnostics?
   Yes, LED indicators provide status and fault monitoring.
9. Is this module still in production?
   It is considered a legacy module, typically available through aftermarket channels.
10. What makes this module unique?
    Its LonWorks integration + free topology wiring flexibility makes it ideal for distributed and mixed-device networks.