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- Honeywell
- 51107403-100
- REV.K LCN I/O Control Board (DCS System Spare Part)
- USA
- 165 x 113 x 40 mm
- 0.159 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
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- 24-Hour Service
- COO
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Product Overview
The Honeywell 51107403-100 REV.K LCN I/O Control Board is an industrial-grade Local Control Network (LCN) interface module used in Honeywell distributed control systems (DCS), particularly within the TDC 3000 architecture.
It is designed to manage communication between LCN network nodes and control system chassis, enabling reliable data exchange across redundant control networks. This board is typically used as a plug-in spare part for legacy Honeywell automation systems, supporting long-term maintenance and system continuity.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Honeywell |
| Model | 51107403-100 REV.K |
| Product Type | LCN I/O Control Board |
| System Type | TDC 3000 / LCN-based DCS systems |
| Function | Network interface and I/O communication control |
| Dimensions | 165 × 113 × 40 mm |
| Weight | Approx. 0.159 kg |
| Communication Type | LCN (Local Control Network) |
| Redundancy Support | Dual-channel LCN A/B communication |
| Installation Type | Slot-mounted control chassis board |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Environmental Use | Industrial control cabinet systems |
Function and Working Principle
The 51107403-100 REV.K board functions as a critical communication interface within Honeywell LCN-based systems.
It is responsible for:
- Connecting system nodes to the Local Control Network (LCN)
- Managing redundant communication paths (LCN A and LCN B)
- Facilitating data exchange between controllers and system chassis
- Ensuring high-reliability communication in process control systems
- Supporting continuous operation in mission-critical environments
Role in System Architecture
This board plays a core interface role in Honeywell legacy distributed control systems.
It is typically used for:
- LCN network node communication
- TDC 3000 system integration
- Control chassis interface management
- Redundant network architecture support
- Legacy system maintenance and spare part replacement
It acts as a network gateway between control system hardware and the LCN backbone.
Industrial Applications
The Honeywell 51107403-100 REV.K is commonly used in:
- Oil and gas production facilities
- Petrochemical refineries
- Power generation plants
- Chemical processing industries
- Large-scale industrial automation systems
- Distributed control systems (DCS)
- Legacy Honeywell TDC 3000 installations
Installation & Integration
Proper installation ensures stable system performance:
- Installed inside Honeywell control system chassis
- Requires correct slot alignment and secure mounting
- Must follow LCN A/B network wiring standards
- ESD protection required during handling
- Used only in fixed industrial control systems
- Typically installed during maintenance or system repair
Compatible Components
- Honeywell TDC 3000 controller systems
- LCN network infrastructure modules
- Control chassis backplanes
- I/O communication subsystems
- Redundant network communication hardware
- Legacy Honeywell DCS architectures
Recommended Alternative Models
| Model | Type | Application |
|---|---|---|
| 51107403-100 REV.G | Earlier revision | Same LCN function |
| LCN adapter boards (TDC series) | Network interface | Legacy system support |
| Modern Experion PKS interfaces | Upgraded platform | System migration |
| Redundant communication modules | Network redundancy | High-availability systems |
| Replacement refurbished boards | Spare parts | Maintenance use |
Key Advantages
- Reliable LCN network communication
- Supports redundant A/B channel architecture
- Designed for legacy Honeywell DCS systems
- Stable performance in industrial environments
- Compact and lightweight design
- Essential spare part for long-life systems
FAQs
Q1: What is the main function of this board?
It provides LCN network communication between Honeywell control system components.
Q2: Which systems use it?
It is primarily used in Honeywell TDC 3000 and LCN-based DCS systems.
Q3: Is it still in production?
No, it is mainly used as a legacy spare part.
Q4: Can it be replaced with a modern module?
Yes, but usually requires system migration to newer platforms like Experion PKS.
Q5: Why is it important?
It ensures stable and redundant communication in legacy industrial control systems.
Conclusion
The Honeywell 51107403-100 REV.K LCN I/O Control Board is a critical interface module for legacy Honeywell distributed control systems. Its role in LCN communication, redundancy support, and system integration makes it an essential component for maintaining and extending the life of TDC 3000-based industrial automation systems.