Product Overview

The Honeywell 8C-TADI61 is a high-reliability input interface module specifically engineered for the Experion Process Knowledge System (PKS) and C300 control architectures. As a member of the Series 8 I/O family, this board facilitates the seamless integration of discrete field signals into the Distributed Control System (DCS). It is designed to interpret status information from various field devices—such as switches, contacts, and sensors—transforming raw electrical inputs into actionable logic for the controller. The 8C-TADI61 is built for mission-critical industrial environments where high availability and precise signal timing are essential for maintaining operational safety and efficiency.

Hardware Parameters

The 8C-TADI61 board is optimized for high-density installations, providing robust electrical protection and advanced internal diagnostics.

• System Compatibility: Honeywell Experion PKS / C300 Controllers

• I/O Type: Digital Input (Discrete)

• Input Points: High-density channel configuration for Series 8 IOTA (Input Output Termination Assembly)

• Signal Voltage: Supports standard 24VDC field logic levels

• A/D Conversion: High-resolution processing for accurate signal detection

• Diagnostics: Per-channel status monitoring and board-level health reporting

• Mounting: Vertical orientation for optimal heat dissipation on Series 8 IOTAs

• Isolation: Galvanic isolation to protect sensitive control electronics from field-side surges

• Weight: 0.4kg

• Dimensions: 7cm x 14cm x 14.5cm

Industrial Applications

Thanks to its rugged design and seamless integration with the Honeywell FSC (Fail Safe Control) and DCS environments, the 8C-TADI61 is widely used in sectors requiring 24/7 uptime:

• Oil and Gas Refineries: Monitoring valve limit switches and motor auxiliary contacts in hazardous locations.

• Power Generation Facilities: Collecting status data from circuit breakers and protective relaying equipment.

• Chemical Processing Plants: Interfacing with level switches and pressure triggers for batch control and interlocking.

• Water and Wastewater Treatment: Managing pump station feedback and alarm monitoring across distributed SCADA networks.