Honeywell 51454493-126 (LCNP4E2 Interface Card)

Product Description

The Honeywell 51454493-126 is an LCNP4E2 LCN interface card for Honeywell TPS / Experion PKS DCS systems. It serves as the communication adapter between the Global User Station (GUS) and the LCN (Local Control Network), replacing the older LCNP4E (51405098-100) version. This PCI interface board enables the operator station to exchange real-time process data, alarms and control information over the LCN network.

Features

• Part Number: 51454493-126, Model: LCNP4E2
• Interface: PCI card for GUS station connection to LCN bus
• Compatible with newer Dell workstation platforms for Experion GUS
• Hardware revision commonly D, firmware revision C
• PCB base part: 51454492
• Country of origin: Thailand, approx weight: 220g
• Manufacturer status: Obsolete / end-of-life, only spare/refurbished supply available
• Fault-tolerant LCN communication for process supervisory operation

Applications

• Honeywell TPS (TotalPlant Solution) DCS system
• Experion PKS GUS operator stations
• Petrochemical, power, oil & gas continuous process plants
• Legacy DCS maintenance, spare parts replacement, system migration projects

FAQ

Q: Is 51454493-126 the new replacement for LCNP4E?
A: Yes, LCNP4E2 51454493-126 supersedes the older LCNP4E 51405098-100, supporting newer GUS workstations.

Q: Can it work on non-LCN Honeywell systems?
A: No, it is dedicated LCN interface card, only for TPS / Experion LCN network architecture.

Q: Is this card still available from Honeywell original factory?
A: It is EOL, original new production stopped; market supply is surplus new old stock or refurbished tested units.