The Honeywell 51305517-100 LCNP4 Control Board is a high-performance communication processor designed for use in Honeywell TDC/TPS and Experion control systems. With Revision N1 and Firmware M, this board supports reliable and synchronized communication across Local Control Networks, ensuring stable data flow between controllers, I/O modules, operator stations, and system nodes.

Built for industrial automation environments that demand uptime, accuracy, and fault-tolerant operation, the LCNP4 board enhances network efficiency, reduces communication delays, and supports scalable control expansion for both new and legacy installations.

Key Features

• Model: 51305517-100 LCNP4

• Hardware Revision: N1

• Firmware: M

• High-speed communication processor for Honeywell DCS platforms

• Supports LCNP (Local Control Network Protocol) data handling

• Ensures deterministic, low-latency network communication

• Suitable for distributed control and automation expansion

• Rugged design for continuous industrial operation

Typical Applications

• Process control network communication

• Honeywell TDC 3000, TPS, and Experion DCS systems

• Power generation & plant utility management

• Petrochemical & refinery operation networks

• Manufacturing automation and I/O coordination

• System upgrades, replacements, and redundancy builds

Why This Board is Valuable

The LCNP4 board plays a critical role in maintaining real-time communication reliability across distributed Honeywell control environments. With proven stability and firmware configuration, it is an excellent choice for plant expansion, modernization, or replacing aging hardware to maintain system performance.