Product Description
The F3LC51-2N is a dedicated communication gateway module within the Yokogawa FA-M3 Range-free Multi-controller family. It bridges the PLC backplane with external field instrumentation via the UT Link protocol, enabling seamless integration with Yokogawa Green Series temperature controllers and other UT-compatible digital indicating controllers.
Through its built-in Automatic Refresh function, the module automatically maps external device registers to PLC internal memory, eliminating the need for complex ladder logic programming for routine data exchange. This significantly reduces engineering effort and commissioning time.
Designed for operation in electrically noisy industrial environments, the F3LC51-2N supports long-distance RS-422/RS-485 multi-drop communication. It enables centralized monitoring and adjustment of distributed PID loops and process variables from a single controller rack, reducing wiring complexity and improving system scalability.
Technical Specifications
| Parameter | Specification |
|---|---|
| Interface Port | 1 channel (5-pin terminal block for RS-422/RS-485) |
| Communication Standard | EIA RS-422/485 compliant |
| Maximum Topology | Up to 32 connected stations |
| Network Coverage | Up to 1200 m total cable length |
| Transmission Rate | Up to 38.4 kbps |
| Data Handling | Automatic cyclic refresh; demand-based command execution |
| Protocol Support | UT Link (PC Link command compatible) |
| Internal Current Consumption | 150 mA at 5 V DC |
| Module Width | Single-slot occupancy on FA-M3 base unit |
| Weight | 0.4kg |
Application
The F3LC51-2N is commonly deployed in:
-
Industrial furnace control systems
-
Semiconductor thermal processing equipment
-
Environmental test chambers
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Multi-loop temperature monitoring systems
It is particularly suited for centralized supervision of multiple Yokogawa UT35A, UT55A, or legacy Green Series controllers, enabling real-time data acquisition, parameter adjustment, and supervisory logging within a PLC environment.
Technical FAQ
Can the F3LC51-2N coexist with other serial communication modules?
Yes. Multiple F3LC51-2N modules can be installed on a single FA-M3 base unit, provided total power supply capacity is sufficient. This allows management of a large number of external PID loops within one controller rack.
How does the “Automatic Refresh” function benefit system designers?
It allows the PLC to treat external temperature controller data as local I/O. Process values are continuously updated in predefined internal register areas without requiring custom communication programming, simplifying configuration and reducing development time.
| Quick Quotes | Receive price & availability FAST from our dedicated customer service team. |
|---|---|
| Delivery | Expedited, Freight, And International Shipping Available. |
| Condition | 100% New with Original Package |
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| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
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| A: Yes, we collaborate with over 50 countries worldwide. As a top supplier in China, we offer significant discounts based on market trends. |
| Q: What Is the Warranty Period? |
| A: All our new and original products come with a standard one-year warranty. |
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| Q: What Is Our Delivery Time? |
| A: Delivery usually takes 1-3 days after receiving the initial payment. For items with a lead time, shipping will occur according to the specified schedule. |
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