Honeywell TDC 3000 Modules: 10311/2/1

Technical Dossier

Product Details And Specifications

Honeywell TDC 3000 Series Technical Notes

The Honeywell TDC 3000 (Total Distributed Control) platform is one of the most widely deployed Distributed Control Systems in global heavy industry. Installed across petrochemical refineries, nuclear power facilities, offshore platforms, pulp and paper mills, and large-scale chemical processing plants, the TDC 3000 architecture has maintained a dominant installed base since its commercial introduction in the late 1970s. Its modular backplane design, deterministic scan cycle, and redundancy options made it the reference standard for continuous process control for over three decades. The 10311/2/1 is a representative I/O and control module within this ecosystem, designed for integration into TDC 3000 cabinets operating on the Local Control Network (LCN) and Universal Control Network (UCN).

The Evolution of TDC 3000 Architecture

The TDC 3000 platform evolved through several distinct architectural generations. The original TDC 2000 (1975) established the distributed control concept; TDC 3000 (1983) introduced the Local Control Network (LCN) at 5 Mbps, enabling peer-to-peer communication between nodes without a central arbiter. The Universal Control Network (UCN, introduced ~1988) extended the architecture to field-level controllers at 5 Mbps coaxial, supporting High-Performance Process Manager (HPPM) and Advanced Process Manager (APM) nodes. The Plant Network (PN) and later Ethernet-based gateways bridged TDC 3000 to modern SCADA and historian systems. Compatibility constraints are significant: LCN modules are not interchangeable with UCN modules; card file generations (standard vs. enhanced) impose firmware and backplane dependencies. Plants migrating to Experion PKS must account for these boundaries when planning phased replacements. Modules such as the 10311/2/1 are associated with the I/O subsystem layer and must be matched to the correct card file revision and power supply rating.

TDC 3000 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly sourced components within the Honeywell TDC 3000 / TPS ecosystem. Each entry reflects a distinct functional role within the system architecture.

10311/2/1: Analog Input module, 8-channel, 4–20 mA, LCN-compatible I/O card file
10305/2/1: Analog Output module, 8-channel, 4–20 mA, standard card file
10306/1/1: Digital Input module, 16-channel, 24 VDC, isolated field termination
10307/1/1: Digital Output module, 16-channel, relay contact, 24 VDC coil
10308/2/1: Analog Input module, 16-channel, thermocouple/RTD, cold junction compensated
10310/1/1: Pulse Input module, 4-channel, frequency measurement, process flow applications
51304516-150: High-Performance Process Manager (HPPM) controller module, UCN node
51304516-200: HPPM controller module, enhanced memory revision, UCN node
51401288-100: Advanced Process Manager (APM) CPU module, LCN node
51401288-200: APM CPU module, extended I/O scan, LCN node
51109684-175: LCN Interface Module (LCNI), gateway between LCN and UCN segments
51304453-100: UCN Coax Tap module, T-connector interface for UCN trunk cable
51198685-100: Power Supply module, 24 VDC, standard card file, redundancy-capable
51198685-200: Power Supply module, 24 VDC, enhanced card file, higher current rating
51309276-175: History Module (HM), process data historian node, LCN-resident
51401584-100: Universal Station (US) interface card, operator console LCN node
51304441-100: Data Hiway Interface (DHI) module, legacy TDC 2000 Hiway bridge
51109470-100: Redundancy Module, controller switchover logic, HPPM/APM compatible
51198966-100: Analog Input Termination Assembly (AITA), field wiring marshalling panel