Honeywell 51400926-100 PC Board

Overview

The Honeywell 51400926-100 PC board supports reliable communication and signal handling within TDC 3000 and Experion PKS systems.
It operates as a core interface between controllers and the Local Control Network, ensuring stable data exchange during continuous process operations.
Moreover, this module follows Honeywell’s proven rack-mounted architecture, allowing fast installation, straightforward replacement, and consistent system scalability.
Engineers value this board for long service life, predictable performance, and compatibility with legacy and modern Honeywell control platforms.

Key Features

The module ensures dependable LCN communication, therefore maintaining synchronized control and monitoring across distributed system nodes.
In addition, its fault-tolerant design supports redundancy strategies that reduce operational risk in mission-critical industrial environments.
Hot-swappable capability allows maintenance without system shutdown, for instance during planned upgrades or corrective service actions.
Furthermore, integrated diagnostics help technicians identify communication anomalies before they affect overall process stability.

Technical Specifications

Manufacturer: Honeywell
Model Number: 51400926-100
Module Type: PC Board
Compatible Systems: Honeywell TDC 3000, Experion PKS
Primary Function: Communication and signal processing between controllers and the Local Control Network
Operating Voltage: 24 V DC
Operating Temperature Range: 0°C to +60°C
Dimensions: 12.5 × 8.5 × 1.5 cm
Weight: 3.28 lbs
Certifications: UL approved, CE compliant

Typical Applications

This module is commonly integrated into oil and gas facilities requiring uninterrupted control system communication under demanding operating conditions.
Similarly, chemical and refining plants rely on its stability to support continuous production and strict process safety requirements.
For instance, power generation and water treatment systems use this board to maintain reliable controller coordination across large installations.
Therefore, it remains a trusted component for long-term modernization and expansion of Honeywell-based automation infrastructures.

FAQ

Q: Is the Honeywell 51400926-100 compatible with older TDC 3000 installations?
A: Yes, it integrates smoothly with existing TDC 3000 systems and supports mixed legacy configurations.

Q: Can this board be replaced while the system is running?
A: Yes, the hot-swappable design allows replacement without shutting down the control system.

Q: What role does this module play in system redundancy?
A: It supports redundant LCN communication paths, therefore improving overall fault tolerance and availability.

Q: Does the module include built-in diagnostics?
A: Yes, diagnostic monitoring helps detect communication faults and redundancy issues early.

Q: What industries typically use this PC board?
A: It is widely used in oil and gas, chemicals, refining, power generation, and water treatment facilities.