The Honeywell LCNP4 Interface Card (Part Number 51305430-100, Rev N / FW N) is a reliable communication module designed for Honeywell Local Control Network (LCN) and Distributed Control Systems (DCS). It provides stable and deterministic communication between controllers, I/O modules, and operator workstations, ensuring efficient and continuous operation in industrial environments.

With Hardware Revision N and Firmware Revision N, this LCNP4 card delivers enhanced signal integrity, network reliability, and long-term compatibility within Honeywell control architectures. Its rugged construction supports 24/7 industrial operation, making it ideal for maintenance, upgrades, or system expansions.

Key Features

• Model: LCNP4

• Part Number: 51305430-100

• Revision: Hardware N | Firmware N

• High-speed, reliable LCN/DCS communication

• Deterministic and stable data processing

• Rugged industrial-grade construction

• Suitable for system maintenance, upgrades, or expansion

• Compatible with Honeywell LCN / DCS networks

Applications

• Honeywell Local Control Network and DCS systems

• Industrial automation in oil & gas, petrochemical, and refining

• Power generation and utility facilities

• Heavy process industries and manufacturing plants

• System maintenance, retrofits, and network expansion projects

• Replacement for legacy LCNP4 modules

Why This Module Is Important

The LCNP4 51305430-100 ensures reliable communication and high-performance operation within Honeywell control systems. Its N/N hardware and firmware revisions guarantee compatibility, operational stability, and long-term reliability—making it a critical component for system upgrades, replacements, and network expansion.