My Cart
0 items
Genuine Automation Parts | Worldwide Express Delivery | 12-Month Warranty — [GET A QUOTE]
The Honeywell MU-TDID72 (Part Number: 51303928-100) is an ultra-high-density Digital Input (DI) module used in Honeywell TDC 3000 and Experion PKS systems. It provides 72 discrete input channels...
Availability: Low stock: 50 left
Reliable Worldwide Delivery
30-Day Money-Back Guarantee
Need more details? Read our fullShipping PolicyandRefund Policy.
The Honeywell MU-TDID72 (Part Number: 51303928-100) is an ultra-high-density Digital Input (DI) module used in Honeywell TDC 3000 and Experion PKS systems. It provides 72 discrete input channels for collecting status signals from field devices such as switches, sensors, and relay contacts. This enables efficient consolidation of large numbers of field signals into a single module for monitoring, interlocking, and sequence-of-events (SOE) recording.
We supply this unit as 100% brand new and original equipment, ensuring reliable operation, high-speed signal detection, and robust performance in complex industrial automation environments.
| Parameter | Specification |
|---|---|
| Model Number | MU-TDID72 |
| Part Number | 51303928-100 |
| Channel Capacity | 72 Digital Input Channels |
| Input Voltage | 24 VDC |
| Response Time | < 1 millisecond |
| Isolation Voltage | 1500 VAC RMS / ±1500 VDC |
| Operating Temp | -40°C to +70°C (-40°F to +158°F) |
| Weight | 0.5 kg |
| Power Requirements | 24 VDC |
Industry-Leading Channel Density
With 72 input channels in a single module, it significantly reduces the number of required I/O modules and cabinet space, simplifying system design and lowering installation costs.
Near-Instantaneous Signal Detection
A response time of less than 1 ms ensures rapid detection of state changes, making it suitable for high-speed interlocks, alarms, and SOE applications.
Superior Electrical Isolation
High isolation rating (1500 VAC) protects the control system from voltage transients, ground loops, and electrical noise originating from field wiring.
Extreme Environmental Resilience
Designed to operate across a wide temperature range (-40°C to +70°C), making it suitable for harsh environments such as offshore platforms, oil & gas facilities, and remote installations.
Simplified DIN Rail Integration
Standard DIN rail mounting allows for quick installation, easy replacement, and flexible system expansion without complex mounting hardware.
How does the MU-TDID72 manage so many channels without overheating?
It uses low-power circuitry and an optimized PCB layout that supports passive heat dissipation, allowing stable operation even with all channels active simultaneously.
Is this a brand new or refurbished module?
It is 100% brand new, original equipment, supplied in factory-sealed anti-static packaging with full manufacturer traceability.
Does this module require a specific Field Termination Assembly (FTA)?
Yes. Due to its high channel count, it must be paired with a compatible high-density 72-channel FTA. Proper mechanical and electrical matching should be verified before installation.
Can this module be used for 120 VAC inputs?
No. It is designed for 24 VDC discrete signals only. For AC inputs, interposing relays or appropriate signal conditioning devices must be used to interface with the module safely.
