Honeywell MU-TDID72 51303928-100 72-Channel Digital Input Module

Overview

The Honeywell MU-TDID72 (Part No. 51303928-100) is a high-density Digital Input Module designed to capture and process digital signals from field devices with exceptional speed and reliability. It is engineered for operation in harsh industrial environments, delivering fast response and robust signal isolation to maintain system integrity in complex automation networks.

Technical Specifications

• Manufacturer: Honeywell

• Model Number: MU-TDID72

• Part Number: 51303928-100

• Product Type: Digital Input Module

• Input Channels: 72 independent digital inputs

• Input Voltage: 24 VDC nominal

• Response Time: <1 millisecond typical

• Power Supply: 24 VDC

• Isolation Voltage: 1500 VAC RMS or ±1500 VDC channel-to-system

• Mounting: Standard DIN-rail installation

• Operating Temperature: -40°C to +70°C (-40°F to +158°F)

• Operating Humidity: 5–95% non-condensing

• Weight: 0.5 kg

• LED Indicators: Status for each input channel

• Housing: Compact modular design suitable for dense I/O racks

Applications

The MU-TDID72 module is used extensively in:

• Honeywell FSC and Experion PKS digital control systems

• Large-scale signal acquisition in petrochemical, refining, and energy sectors

• Critical safety and control systems requiring fast, isolated digital input processing

• Integration in high-density I/O cabinets where reliability and channel count are key

FAQ

Q1: Can this module be used in extreme temperature environments?
A1: Yes, it operates reliably between -40°C and +70°C, suitable for most industrial applications.

Q2: How fast does the module detect input signals?
A2: The MU-TDID72 responds in less than 1 millisecond, enabling near real-time monitoring.

Q3: Is signal isolation provided for all input channels?
A3: Yes, each channel is isolated up to 1500 VAC RMS, ensuring protection against electrical faults.