Honeywell MC-TDOD14 51309153-175 - Image 1

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Honeywell MC-TDOD14 51309153-175

Product Name:

Honeywell Experion PKS Series C Digital Output Module — 24 VDC, 16-Channel Triac/Transistor Output

Product Description:

A 16-channel 24 VDC digital (discrete) output module for Series C I/O racks, driving solenoids, indicator lamps, audible alarms, or interposing relays in the field through the associated FTA.

Category: Honeywell

Description

Technical Specifications:

Part Number: 51309153-175 (MC-TDOD14)
Outputs: 16 channels, solid-state (MOSFET/transistor) sinking or sourcing per FTA type
Output Voltage: 15–30 VDC (externally supplied loop power via FTA)
Max Load Current: Typically 0.5 A per channel, 2–4 A total module max
Short-Circuit Protection: Yes — auto-resettable per channel
Isolation: Optical isolation field-to-backplane; 500 VAC
Response Time: < 5 ms ON/OFF
Diagnostics: Open load / short detection, over-temperature shutdown
Operating Temp: 0 °C to +60 °C
Hot-Swap: Supported

Features:

Per-channel LED status
Failsafe (off/on hold) programmable on comms loss
Compatible with Honeywell DO FTAs (e.g., 24 VDC sinking FTA)

Applications: Pilot lamp control, solenoid valve actuation, annunciator panels, start/stop command relays in process plants.

Construction: Series C module housing, MOSFET output stage, optical isolators, diagnostic ASIC.

Working Principle: Controller sends ON/OFF command via I/O link → on-board logic drives MOSFET gate → closes 24 VDC path to field device through FTA terminal.

Installation & Precautions:

Verify external 24 VDC power polarity and fuse rating before connecting loads.
Ensure total current draw does not exceed module aggregate rating.
Use flyback diode across inductive DC loads externally (some FTA include this).
Do not mix AC and DC loads on the same module.
Replace only with identical MC-TDOD14 P/N to retain short-circuit protection characteristics.

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