Model Number Explanation

8240: Honeywell TDC legacy DCS series

8330: Hiway Logic Card function

001: Standard revision, original manufacturing spec

Technical Specifications

Network Compatibility: Honeywell Hiway (proprietary DCS network)

System Compatibility: TDC2000, TDC3000 (TPS) DCS

Logic Processing: Hardwired digital logic for inter-controller coordination

Communication Speed: Hiway bus synchronous data transfer

Backplane Interface: TDC I/O rack backplane

Power Consumption: Standard 5 VDC backplane power

Operating Temperature: 0°C to +60°C

Form Factor: Standard TDC rack-mount PCB card

Weight: Approx. 0.45 kg

Key Features

Hiway Network Management: Centralizes data routing between TDC controllers

Distributed Logic Coordination: Executes inter-controller logic for sequential control

Legacy System Compatibility: Drop-in replacement for older TDC2000/3000 racks

High Reliability: Industrial-grade components for continuous process operation

Diagnostic LEDs: Front-panel status indicators for power, run, and fault

Applications

Systems: Honeywell TDC2000, TDC3000 (TPS) legacy DCS

Industries: Petrochemical, power generation, refining, pulp & paper

Use Cases:

Coordinating multiple process controllers across a plant

Managing high-speed data exchange on the Hiway network

Executing interlock and sequential logic for critical processes

Compatibility & Replacement

Replacement Type: Direct drop-in replacement for 82408330-001

Legacy Status: Obsolete (end-of-life), available as refurbished/used stock