Product Overview

The Honeywell 8C-TDIL61, identified by engineering part number 51306367-175, is a high-performance discrete signal interface designed for the Experion PKS Series 8 I/O platform. This module serves as the primary gateway for capturing binary field data, translating mechanical switch states and sensor outputs into digital logic for the DCS controller. Optimized for high-density configurations, the 8C-TDIL61 provides the precise timing and rapid signal detection required for modern industrial automation. Its ruggedized architecture is specifically built to handle the rigorous demands of large-scale process industries, ensuring that critical status updates from the field are processed with zero latency and maximum reliability.

Architectural Hardware Parameters

The 8C-TDIL61 51306967-175 is defined by the following industrial-grade technical specifications:

• Model Identification: 8C-TDIL61

• Part Number: 51306967-175

• Module Class: Digital Input (DI) Module

• Product Line: Honeywell Series 8

• Input Voltage: Standard 24V DC logic support

• Climatic Tolerance: -40°C to +70°C operating range

• Galvanic Isolation: High-voltage protection between field circuits and system backplane

• Physical Weight: 0.5 kg

• Form Factor: 10.8 x 8.7 x 7.8 cm

• Mounting Type: Series 8 I/O Terminal Assembly (IOTA) compatible

• Processing Speed: Real-time high-speed data acquisition

• Manufacturing Standard: Certified for extreme industrial environments

• Origin: USA

Industrial Operational Scenarios

In Hydrocarbon and Chemical Processing, the 8C-TDIL61 is utilized to monitor the status of explosion-proof limit switches and safety interlocks on pressure vessels. The module's wide thermal operating range allows it to be installed in distributed I/O cabinets located near the process units, even in unconditioned outdoor environments. By providing instantaneous feedback on valve positions and emergency stop triggers, it helps maintain the safety integrity levels (SIL) required for volatile chemical batching.

Within Automated Manufacturing and Power Generation, this digital input module coordinates the sequence of events (SOE) for high-speed machinery and motor starters. The 8C-TDIL61 handles the electrical noise and transients common in power plant switchgear, ensuring that the central control system receives a clean, filtered signal. Its high-speed processing capabilities are vital for capturing rapid state changes in protective relays, allowing for precise fault analysis and minimizing the risk of cascading system failures.

For Utility Infrastructure and Water Treatment, the 8C-TDIL61 offers a dependable solution for monitoring remote pump stations and level sensors. Its easy-to-maintain modular design allows for rapid hardware swaps during routine maintenance cycles, ensuring that critical utility monitoring remains active with minimal interruption. As part of the Series 8 family, it provides a scalable path for infrastructure managers looking to upgrade legacy systems to a modern, Ethernet-ready DCS architecture without a complete cabinet overhaul.