Product Introduction

51309153‑225 (Model MU-TDOA27) is a solid-state DO FTA for the Honeywell Experion PKS / TDC 3000 / TPS DCS system. It is specifically designed for high reliability, long lifespan, and medium-power switch loads, providing electrical isolation between the system and the field, and is suitable for continuous operation and high-frequency action scenarios. Model explanation

51309153‑225: Honeywell part number

MU-TDOA27: Module model

MU = Module Unit (FTA series)

TDOA = Total Digital Output Assembly (solid-state output)

27 = Hardware version and channel configuration variant Technical Specifications

Channel: 16 independent solid-state outputs

Load capacity:

AC: 120/240 VAC, 5 A (resistive)

DC: 24 VDC, 8 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: Backplane 24 VDC

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: Large current detachable screw terminals

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

Configuration: DCS workstation software configuration Core function

High-power solid-state output: Compared to the 22/25 models in the same series, it has stronger load capacity and is suitable for larger power loads.

Contactless design: Long lifespan, no mechanical wear, fast operation, suitable for high-frequency actions.

Enhanced electrical isolation: 1500 V RMS isolation, resistant to on-site surges and noise interference.

Load control: Medium-sized motor starters, high-power solenoid valves, contactors, heaters, alarm lights.

Online replacement (hot-swappable): Maintenance without downtime.

System-level diagnosis: Precise detection of open circuits / short circuits / overloads. Applicable scenarios

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

Applications: High-power valve switching, medium-sized motor control, heating circuits, high-frequency conditions, critical interlocks

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