Honeywell TDC 3000 / TPS Modules – 51403776-100 Controller 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, deterministic control execution, and multi-tier network topology (Local Control Network / Plant Network / Universal Control Network) made it the reference standard for continuous process control for over three decades. The 51403776-100 Controller Card is a core processing module within this architecture, responsible for executing control strategies, managing I/O communication, and maintaining loop integrity in high-availability process environments.

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. Its architecture evolved through several distinct generations. The original TDC 2000 used a proprietary Data Hiway for node communication. TDC 3000 introduced the Local Control Network (LCN) operating at 5 Mbps, enabling peer-to-peer communication between High-Performance Process Managers (HPM), Application Modules (AM), History Modules (HM), and Universal Stations (US). The Universal Control Network (UCN) was subsequently introduced to support the Process Manager (PM) and High-Performance Process Manager (HPM) subsystems at the field level.

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

Controller & Processor Modules

• 51403776-100: Controller Card — primary process control execution module for HPM subsystem, manages control loop processing and I/O arbitration.
• 51401642-150: High-Performance Process Manager (HPM) Controller Module — enhanced processing speed variant for high-loop-count applications.
• 51304516-150: Process Manager (PM) Controller Card — earlier-generation controller for standard-density process management nodes.
• 51401584-100: Advanced Process Manager (APM) Controller — supports advanced regulatory and sequential control strategies.
• 51198685-100: Logic Manager (LM) Controller Card — dedicated to Boolean and sequential logic execution within the UCN.

Analog I/O Modules

• 51304453-150: Analog Input Module (16-channel, 4–20 mA) — field signal acquisition for process variables including flow, pressure, and temperature.
• 51304754-150: Analog Output Module (8-channel, 4–20 mA) — drives final control elements including control valves and variable speed drives.
• 51309276-150: Analog Input/Output Combination Module — mixed-signal I/O for compact node configurations.
• 51401491-200: High-Level Analog Input Module — accepts voltage-range signals (0–10 V, ±10 V) from non-standard field transmitters.

Digital I/O Modules

• 51304441-150: Digital Input Module (32-channel, 24 VDC) — discrete status acquisition for valve position, motor run/stop, and interlock feedback.
• 51304445-150: Digital Output Module (16-channel, relay) — relay-contact outputs for motor starters, solenoid valves, and alarm annunciators.
• 51309218-175: Digital Input Module (16-channel, 120 VAC) — high-voltage discrete input for legacy field wiring configurations.
• 51401498-100: Smart Digital Output Module — solid-state output with diagnostics for critical interlock applications.

Communication & Network Modules

• 51401196-100: UCN Interface Card — provides the physical and protocol interface between the HPM backplane and the Universal Control Network coaxial bus.
• 51304362-150: LCN Interface Module — connects process manager nodes to the Local Control Network for peer-to-peer data exchange with operator stations and application modules.
• 51198947-100: Redundancy Module — manages bumpless switchover between primary and backup controller cards in redundant HPM configurations.

Power Supply Modules

• 51401425-100: HPM Power Supply Module (24 VDC, 10 A) — regulated DC power for HPM backplane and installed I/O modules.
• 51304337-175: PM Power Supply Card — legacy power module for Process Manager node backplanes.