The Honeywell LCNP4 Control Board (Part Number 51305517-100, Rev N1 / FW N) is a high-reliability control module designed for Honeywell Local Control Network (LCN) and Distributed Control Systems (DCS). It provides stable communication, precise control, and efficient processing between controllers, I/O modules, and operator stations, ensuring seamless system operation.

With Hardware Revision N1 and Firmware Revision N, this board offers enhanced performance, robust signal handling, and long-term compatibility within Honeywell control networks. Its industrial-grade design supports continuous 24/7 operation in demanding environments.

Key Features

• Model: LCNP4 Control Board

• Part Number: 51305517-100

• Revision: Hardware N1 | Firmware N

• High-speed, reliable network communication

• Deterministic and stable control performance

• Rugged construction for continuous industrial use

• Ideal for maintenance, system upgrades, or expansion

• Compatible with Honeywell LCN / DCS systems

Applications

• Honeywell Local Control Network and DCS environments

• Industrial automation and process control

• Power generation, refining, petrochemical, and oil & gas facilities

• System maintenance, retrofits, and expansion projects

• Replacement for legacy LCNP4 modules

Why This Control Board Is Important

The LCNP4 Control Board ensures high-performance communication and control within Honeywell DCS systems. Its N1/N hardware and firmware revisions guarantee compatibility, operational stability, and reduced downtime—making it an essential component for system reliability and long-term performance.