Model Explanation

51309153‑275: Honeywell Material Number

MU‑TDOA28: Module Model

MU = Module Unit (FTA Series)

TDOA = Total Digital Output Assembly (Solid State Output)

28 = Hardware Version and High Current Channel Configuration Variant Technical Specifications

Channel: 16 independent solid-state outputs

Load capacity:

AC: 120/240 VAC, 8 A (resistive)

DC: 24 VDC, 12 A (resistive)

Isolation: 1500 V RMS (between channels, between channels and bus)

Response time: ≤ 0.5 ms (solid-state without contacts)

Switching frequency: Maximum 100 Hz

Power supply: 24 VDC on the backplane

Operating temperature: -20°C ~ +70°C

Hot-swappable: Supported

Fault detection: Open circuit / short circuit / overload (system diagnosis)

Interface and status

System side: High-density flat cable connects I/O modules

Field side: Heavy-duty large current detachable screw terminals

Indicators: ON/OFF for each channel, OK/FAULT for the module

Configuration: DCS workstation software configuration Core function

Ultra-high power solid-state output: This series has the highest load capacity, suitable for heavy-duty loads

Contactless long-life design: No mechanical wear, fast operation, suitable for high-frequency continuous operation

Strengthened electrical isolation: 1500 V RMS isolation, resistant to strong surges and noise interference in the field

Heavy-load load control: Large motor starters, high-power heaters, heavy-duty solenoid valves, contactors

Online replacement (hot-swappable): Maintenance without downtime, ensuring continuous production

High-precision system diagnosis: Precisely detect open circuits / short circuits / overloads, quickly locate faults Applicable scenarios

Industry: Oil and gas, petrochemicals, power generation, metallurgy, chemical industry, large-scale water treatment

Applications: High-power valve actuators, heavy-duty motor control, large heating circuits, critical heavy-duty interlocks

Compatibility: Experion PKS (C200/C300), TDC 3000, TPS