Honeywell TDC 3000 / TPS Modules – 05701-A-0361 Engineering Card

Technical Dossier

Product Details And Specifications

Honeywell TDC 3000 / TPS Series Technical Notes

The Honeywell TDC 3000 (Total Distributed Control) and its successor platform TotalPlant Solution (TPS) represent one of the most widely deployed Distributed Control System (DCS) architectures in global heavy industry. Installed across petrochemical complexes, nuclear power stations, crude oil refineries, pulp and paper mills, and large-scale chemical manufacturing facilities, the TDC 3000 / TPS platform has maintained a dominant installed base since its commercial introduction in the late 1970s. Its modular backplane architecture, redundant Local Control Network (LCN), and Universal Control Network (UCN) infrastructure enabled plant-wide integration at a scale that defined the DCS category. As of 2026, a significant portion of the global installed base remains in active production service, making lifecycle parts sourcing a critical operational requirement for asset-intensive industries.

The Evolution of TDC 3000 / TPS Architecture

The TDC 3000 platform was introduced by Honeywell in 1975 as the industry's first commercially viable DCS. The original architecture centered on the Data Hiway, a coaxial token-passing network connecting Basic Controllers (BC) and Advanced Multifunction Controllers (AMC). The transition to the Local Control Network (LCN) in the early 1980s introduced fiber-optic redundancy and significantly expanded node capacity. The Universal Control Network (UCN) followed, enabling high-speed process data exchange between Process Manager (PM) nodes and the LCN backbone.

The TPS (TotalPlant Solution) rebranding in the mid-1990s unified the TDC 3000 hardware with Honeywell's PlantScape SCADA and PHD historian platforms under a common engineering environment. Key architectural milestones include the introduction of the Application Module (AM) for advanced regulatory and supervisory control, the History Module (HM) for on-process data archiving, and the Gateway Module (GM) for third-party protocol bridging. The platform entered its mature/end-of-active-development phase in the 2010s, with Honeywell transitioning strategic investment to the Experion PKS platform. However, TDC 3000 / TPS hardware remains in production at thousands of sites globally, and long-term maintenance support — including spare parts sourcing, board-level repair, and functional testing — is the primary operational requirement for these assets.

TDC 3000 / TPS Full Catalog & Functionalities (SKU List)

Controllers & Processors

• 05701-A-0361: Engineering Card — LCN node interface card for TDC 3000 engineering workstation communication and configuration.
• 51304485-100: Process Manager (PM) Main Processor — primary CPU card for UCN-connected PM nodes, executes regulatory control algorithms.
• 51304485-150: Process Manager (PM) Main Processor (enhanced) — higher-memory variant for complex loop configurations.
• 51401288-100: Advanced Process Manager (APM) Processor Card — supports advanced control strategies including model predictive control interfaces.
• 51304516-100: Application Module (AM) Processor — LCN-resident supervisory controller for plant-wide optimization and batch sequencing.
• 51304516-200: Application Module (AM) Processor (extended) — expanded I/O map variant for large-scale AM configurations.

I/O Modules

• 51309276-175: Analog Input (AI) Module — 16-channel 4–20 mA input, HART-compatible, for PM/APM I/O link.
• 51309276-225: Analog Input (AI) Module (high-density) — 32-channel variant for high point-count applications.
• 51304453-100: Analog Output (AO) Module — 8-channel 4–20 mA output with HART pass-through for final control elements.
• 51309218-175: Digital Input (DI) Module — 32-channel 24 VDC discrete input for valve position and motor status monitoring.
• 51309218-225: Digital Input (DI) Module (120 VAC) — 16-channel AC-rated discrete input for field device compatibility.
• 51309219-175: Digital Output (DO) Module — 16-channel relay output for solenoid valve and motor starter control.
• 51304443-100: Pulse Input Module — 8-channel frequency/pulse input for turbine meter and flow totalizer applications.

Communication & Network Modules

• 51304362-100: LCN Interface Card — fiber-optic LCN node interface for History Module and Gateway Module connectivity.
• 51304362-200: LCN Interface Card (dual-port) — redundant LCN connection for high-availability node configurations.
• 51401196-100: UCN Interface Card — coaxial UCN network interface for PM/APM node communication at 5 Mbps.
• 51304441-100: Gateway Module (GM) Processor — protocol translation between LCN and third-party systems (Modbus, PROFIBUS, OPC).

Power Supply Modules

• 51109684-100: PM Power Supply — 24 VDC regulated power supply for Process Manager I/O carrier assemblies.
• 51109684-200: PM Power Supply (redundant) — hot-standby redundant power supply module for continuous availability.
• 51304337-100: LCN Node Power Supply — dedicated power conditioning module for LCN-resident nodes (AM, HM, GM).

Quality Control for the TDC 3000 / TPS Range

TDC 3000 and TPS modules present specific quality control challenges due to their complex multi-layer backplane interconnects, proprietary LCN and UCN bus transceivers, and age-related component degradation (electrolytic capacitor ESR drift, NVRAM data retention, battery-backed SRAM integrity). DriveKNMS applies a structured test protocol to all TDC 3000 / TPS modules prior to shipment: