Product Overview

The Honeywell CC-TDIL01, identified by part number 51308386-175, is a high-integrity Digital Input Termination Assembly (IOTA) designed for the Experion PKS Series C control environment. This module serves as the critical physical and electrical interface between field-side discrete sensors and the digital input processing hardware. Engineered to facilitate organized, high-density wiring, the CC-TDIL01 ensures that 24V DC signals from switches, relays, and contactors are cleanly routed to the DCS logic solver. Its design prioritizes signal stability and ease of maintenance, making it an essential component for facilities that require high-reliability discrete data acquisition and robust fault tolerance.

Physical Architecture and Hardware Benchmarks

The 51308386-175 is built for longevity in industrial cabinets, offering a standardized footprint for rapid deployment and simplified loop testing.

• Component Type: Digital Input Termination Assembly (IOTA)

• Operating Voltage: 24V DC nominal

• System Ecosystem: Honeywell Series C / Experion PKS

• Wiring Interface: Support for high-density field terminal blocks

• Mounting Profile: Optimized for vertical carrier installation to save cabinet space

• Interconnect Reliability: Gold-plated connector pins to prevent oxidation in corrosive atmospheres

• Net Weight: 0.46 kg

• Physical Scale: 29.4 x 12 x 6.5 cm

• Country of Manufacture: USA

• Customs Data: HS Code 8537101190

Industrial Control Scenarios

This termination assembly is utilized in mission-critical infrastructure where the accuracy of discrete signal routing is fundamental to operational safety.

• Emergency Interlock Coordination: Routing signals from physical E-stop buttons and safety gates to the DCS to ensure immediate process shutdown during hazardous events.

• Motor Control Status Feedback: Capturing "running" or "tripped" dry-contact signals from remote Motor Control Centers (MCC) for real-time pump and conveyor oversight.

• Valving Position Verification: Interfacing with limit switches on automated isolation valves to confirm successful open/close transitions in chemical pipelines.

• Petrochemical Tank Farm Monitoring: Managing the discrete level switches for high-high alarm logic to prevent environmental spills and vessel overfill.

• System Expansion & Retrofitting: Serving as a modular interface for adding new digital monitoring points to existing Series C racks without disrupting current plant operations.