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- Honeywell
- 51401291-100
- PC Board
- USA
- 260 x 140 x 30 mm
- 0.885 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Honeywell 51401291-100 PC Board is an industrial-grade LCN (Local Control Network) interface board used in Honeywell distributed control systems, especially in TDC 3000 and Universal Station architectures.
It is designed to support network-level communication between control nodes, enabling stable data exchange across distributed automation systems. This board is mainly used in legacy Honeywell control environments as a system communication and control interface module.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Honeywell |
| Model | 51401291-100 |
| Product Type | PC Board / LCN Interface Board |
| System Type | TDC 3000 / LCN-based DCS systems |
| Function | Network communication and control interface |
| Technology | Low Power LCN (LLCN) architecture |
| Dimensions | 260 × 140 × 30 mm |
| Weight | 0.885 kg |
| Installation Type | Rack-mounted plug-in board |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Application Environment | Industrial control cabinet systems |
Function and Working Principle
The 51401291-100 board functions as a communication interface within Honeywell LCN systems.
It is responsible for:
- Enabling data exchange between distributed control nodes
- Supporting LCN network communication structure
- Acting as an interface between controller subsystems
- Maintaining stable real-time process communication
- Ensuring coordination between system modules in DCS architecture
It works as a core network interface component in legacy Honeywell control systems.
System Role in Architecture
The Honeywell 51401291-100 plays a network communication role in industrial control systems.
It is used for:
- LCN network data transmission
- TDC 3000 system integration
- Distributed control node communication
- Control station interconnection
- Legacy automation system maintenance
It acts as a communication bridge inside Honeywell distributed control architecture.
Industrial Applications
This board is commonly used in:
- Oil and gas facilities
- Petrochemical plants
- Power generation stations
- Chemical processing industries
- Industrial automation systems
- Distributed control systems (DCS)
- Legacy Honeywell TDC 3000 installations
Installation & Integration
Proper installation is required for stable operation:
- Installed inside Honeywell control system racks
- Requires correct slot alignment and secure mounting
- Must follow ESD protection procedures
- Used only in fixed industrial environments
- Typically installed during maintenance or system servicing
- Compatibility must match LCN system architecture
Compatible Components
- Honeywell TDC 3000 controller systems
- LCN network modules
- Universal Station hardware
- System backplane assemblies
- I/O interface boards
- Legacy DCS communication systems
Recommended Alternative Models
| Model | Type | Application |
|---|---|---|
| K2LCN / K4LCN boards | Upgraded LCN interface | System evolution |
| Experion PKS controllers | Modern platform | System migration |
| Refurbished 51401291-100 | Spare part | Maintenance replacement |
| Other LCN interface boards | Legacy alternatives | Repair support |
| Integrated network modules | Modern replacement | New systems |
Key Advantages
- Reliable LCN network communication
- Stable performance in legacy DCS systems
- Supports distributed control architecture
- Compact plug-in design
- Long-term industrial reliability
- Essential for maintaining older Honeywell systems
FAQs
Q1: What is the main function of this board?
It enables communication between Honeywell LCN network components.
Q2: Which systems use it?
It is mainly used in TDC 3000 and LCN-based systems.
Q3: Is it still in production?
No, it is mainly used as a legacy spare part.
Q4: Can it be replaced with modern hardware?
Yes, typically replaced by Experion PKS-based systems.
Q5: Why is it important?
It ensures stable communication in distributed control systems.
Conclusion
The Honeywell 51401291-100 PC Board is a key legacy LCN interface module used in industrial distributed control systems. It provides stable network communication and remains important for maintaining Honeywell TDC 3000-based automation installations.