The Honeywell LCNP4 Control Board (Part Number 51305517-100, Rev N1 / FW N) is a high-performance control module designed for use in Honeywell Local Control Network (LCN) and Distributed Control Systems (DCS). This control board comes complete with its tray for easy installation and provides reliable communication and processing between networked controllers, I/O modules, and operator interfaces.

With Hardware Revision N1 and Firmware Revision N, the LCNP4 ensures stable operation, enhanced signal processing, and long-term compatibility within Honeywell control architectures. Its robust industrial-grade construction supports continuous 24/7 operation in demanding process environments.

Key Features

• Model: LCNP4 Control Board

• Part Number: 51305517-100

• Revision: Hardware N1 | Firmware N

• Comes with tray for simplified installation

• High-speed, reliable network communication

• Ensures stable and deterministic control performance

• Designed for continuous industrial operation

• Ideal for system upgrades, replacements, or expansion

• Compatible with Honeywell LCN / DCS environments

Applications

• Honeywell Local Control Network (LCN) and DCS systems

• Power generation and utility plants

• Refining, petrochemical, and oil & gas operations

• Process manufacturing and heavy industrial automation

• System maintenance, retrofit, and expansion projects

• Replacement for legacy LCNP4 modules to minimize downtime

Why This Control Board Is Important

The LCNP4 Control Board ensures reliable and high-performance network communication across Honeywell DCS systems. Its N1/N hardware and firmware revisions guarantee proper compatibility and long-term operational stability—making it an essential component for upgrades, replacements, or system expansions.