Product Overview

The Honeywell MC-TDID12 (Part Number: 51304441-175) is a high-density Digital Input interface designed for the Distributed Control System (DCS) landscape. Operating within the MU-T Series hardware family, this module acts as a primary bridge for discrete signals originating from the field. It is engineered to capture the binary status of industrial equipment—such as contact closures, limit switches, and motor auxiliary contacts—with high precision and minimal signal latency. By providing a ruggedized interface between field wiring and the supervisory control layer, the MC-TDID12 ensures that real-time status data is accurately reflected in the system's logic solver, facilitating safe and efficient process automation.

Fundamental Engineering Parameters

• Model Identification: MC-TDID12

• Part Reference: 51304441-175

• Input Configuration: 32-Channel Discrete Digital Inputs

• System Series: MU-T Series / TDC 3000 Infrastructure

• Physical Proportions: 46.2 x 12 x 5.5 cm

• Unit Mass: 1.18 kg

• Interface Compatibility: Optimized for standard industrial signal levels with high-speed sampling

• Signal Isolation: Comprehensive galvanic protection between field circuits and system backplane

• Manufacturing Origin: United States (USA)

• Customs Code: 8537101190

Industrial Implementation Scenarios

The MC-TDID12 is widely utilized in sectors where high-channel density and environmental resilience are mandatory requirements. In Petrochemical and Refinery operations, it is frequently used to monitor valve position feedback and emergency trip switches across sprawling processing units. Within Power Generation Facilities, the module tracks circuit breaker statuses and auxiliary pump contacts, providing essential feedback for plant-wide interlocking logic. Furthermore, its elongated form factor and robust build quality make it a preferred choice for Manufacturing and Assembly lines, where it manages high volumes of discrete inputs from proximity sensors and mechanical interlocks. The module’s architecture is specifically designed to resist the electrical noise and particulate exposure common in heavy industrial control rooms and remote instrument enclosures.