Honeywell 51400901-100 Enhanced Processor Module

Processor Overview for TDC 3000 Control Systems

This enhanced processor module serves Honeywell TDC 3000 architectures by executing control logic and managing backplane data flow. Plant engineers rely on the 51400901-100 for deterministic scan cycles and stable process regulation. Furthermore, the board integrates cleanly into existing racks without firmware modification.

Detailed Technical Specifications

The following table lists the core parameters of this module.

Parameter	Specification
Module type	Enhanced processor board
Compatible systems	Honeywell TDC 3000 series
Processor	32-bit control processor
Interface	Backplane bus connector
Slot count	Single-slot occupation
Board dimensions	Approximately 305 mm × 127 mm
Weight	Approximately 0.50 kg
Component count	Over 60 integrated circuits
Energy storage	On-board lithium backup battery
Operating temperature	0 °C to 60 °C

Installation and Operational Notes

The 51400901-100 occupies one backplane slot and receives power directly from the host rack. Consequently, technicians avoid external wiring during routine replacement. The processor communicates with I/O cards through the standard Honeywell bus interface. Moreover, the lithium backup battery preserves configuration memory during outages. Maintenance teams typically keep this board in stock to minimize process downtime.

Why This Processor Module Still Matters

Numerous process facilities continue to operate TDC 3000 systems, and the 51400901-100 sustains those installations. The module delivers consistent scan performance without requiring system upgrades. Additionally, its single-slot footprint simplifies rack planning and spare-part logistics. Control engineers appreciate the clear diagnostics and robust connector design. Therefore, this processor board remains a practical choice for legacy process control.