Honeywell 51400910-100 Memory Expansion Board

Overview of the 51400910-100 Memory Expansion Module

The 51400910-100 from Honeywell extends memory capacity within TDC 3000 and related process control systems. This expansion board carries a compact footprint and fits directly into designated card slots. Engineers value the 51400910-100 for its straightforward installation and stable data retention. Moreover, the board supports legacy architectures that remain active in many industrial plants.

Key Technical Specifications

The table below summarizes the primary parameters of the 51400910-100.

Parameter	Specification
Board type	Memory expansion module
Compatible systems	Honeywell TDC 3000 series
Memory capacity	1 MB additional storage
Interface	Backplane bus connector
Slot count	Single-slot occupation
Board dimensions	Approximately 305 mm × 127 mm
Weight	Approximately 0.45 kg
Component count	Over 40 integrated circuits
Energy storage	On-board backup capacitor
Operating temperature	0 °C to 60 °C

Installation and Compatibility Notes

The occupies one backplane slot and draws power directly from the host rack. Consequently, technicians avoid external cabling during routine swaps. The board pairs with existing controller cards through the standard Honeywell bus interface. Furthermore, the backup capacitor preserves stored data during brief power interruptions. Plant teams often stock the as a spare to reduce downtime.

Why This Memory Board Remains Relevant

Many process facilities still run TDC 3000 architectures, and the keeps those systems operational. The module delivers predictable performance without firmware changes. Additionally, its single-slot design simplifies rack planning. Maintenance crews appreciate the clear labeling and robust connector layout. Therefore, the 51400910-100 continues to serve as a dependable expansion option.