MC-TDIA12 51304439-175
MC-TDIA12 51304439-175
MC-TDIA12 51304439-175
MC-TDIA12 51304439-175
MC-TDIA12 51304439-175
MC-TDIA12 51304439-175
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MC-TDIA12 51304439-175

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The Honeywell MC-TDIA12 51304439-175 is a 32-channel, 120 VAC digital input field wiring harness (FTA) designed for the Honeywell TDC 3000 and TPS High Performance Process Manager (HPM) subsystems.
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Technical specifications for MC-TDIA12 51304439-175

  • Manufacturer:
    Honeywell
  • Part Number:
    MC-TDIA12 51304439-175
  • Product Family:
    Honeywell TPS Series
  • Product Type:
    digital input field wiring harness (FTA)
  • Number of Channels:
    32
  • Nominal Input Voltage:
    120 VAC
  • Input Frequency:
    50/60 Hz
  • Terminal Type:
    Compression terminals
  • Channel Isolation:
    All channels isolated from each other
  • Environmental Rating:
    Suitable for ISA G3 (Harsh) corrosive environments
  • Weight:
    1.14 kg
  • Estimated shipping dimensions:
    46.2x12x5cm
  • Tariff Code:
    8471499100
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Applications Safety & Compliance Certifications & Standards

Features:

  • High-Density 32-Channel Architecture
  • Industrial-Grade Conformal Coating
  • Maintenance-Friendly Compression Terminals
Integrates 32 isolated input channels into a compact Size C form factor, maximizing I/O scanning efficiency and significantly reducing cabinet space requirements and per-channel costs.

The MC prefix denotes full conformal coating protection, covering all circuit board surfaces to resist moisture, salt spray, and corrosive gases (H₂S, SO₂, etc.). Compliant with ISA G3 harsh environment standards, ideal for chemical processing and offshore platforms.

Equipped with compression-type terminals that support fast, strip-free field wiring. No special tools are required for wire connection, reducing system downtime and labor costs during maintenance.

The MC-TDIA12 51304439-175 Honeywell digital input field wiring harness (FTA) may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Honeywell MC-TDIA12 51304439-175 digital input field wiring harness (FTA) Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Honeywell MC-TDIA12 51304439-175 digital input field wiring harness (FTA)

General

  • Manufacturer MC-TDIA12 51304439-175
  • Model Honeywell
  • Condition New Original ready stock
  • Product Family MC-PRHM01 51404109-175,MU-TAOX02 51304476-125,MU-TSDM02 51303932-277
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Petroleum Refining: Digital interlock monitoring and valve status feedback in crude oil refining processes.
  • Thermal Power Generation: Field switch signal acquisition for boiler and turbine auxiliary systems.
  • Chemical Processing: Collection of operating status from pumps, agitators, and other equipment in corrosive production areas.
  • Chemical Processing: Collection of operating status from pumps, agitators, and other equipment in corrosive production areas.
  • Channel-to-Channel Isolation: All 32 input channels are electrically isolated from each other, preventing field-side high voltage from entering the control system.
  • Fail-Safe Design: Provides a defined logic state upon signal loss, preventing false triggering.
  • CE Compliance: Meets European EMC and Low Voltage Directive requirements.
  • EMI Protection: When used with shielded cables and proper grounding, effectively suppresses industrial electromagnetic interference.
  • CE Marking: Mandatory European certification for EMC and LVD compliance.
  • ISA G3 Standard: Compliant with ISA S71.04-1985 Classification of G3 (Harsh) airborne contaminant levels.
  • UL 94: PCB materials meet flame retardancy requirements per Honeywell internal specifications.
  • Honeywell Internal Standards: Meets all TPS system design and testing requirements for HPM subsystems.
Description
The Honeywell MC-TDIA12 51304439-175, as the core I/O interface component of the Honeywell HPM subsystem, plays a crucial role in converting signals from 120 VAC devices such as field switches and relays into system logic levels. Its high-density 32-channel design allows for direct compatibility with high-power industrial switches, effectively reducing the use of intermediate relays and improving system integration.

In terms of electrical performance, all 32 input channels of the Honeywell MC-TDIA12 51304439-175 are electrically isolated from each other, effectively filtering electromagnetic interference (EMI) from industrial power grids and protecting back-end controller hardware from field voltage fluctuations or inrush currents. This module uses compression terminals, supporting fast and reliable field wiring.

Physically, the Honeywell MC-TDIA12 51304439-175 features a Size C panel design (approximately 462mm × 121mm), allowing for flexible installation in vertical or horizontal FTA mounting channels. Its robust modular structure, combined with its three-proof coating technology, enables it to resist the corrosive effects of humidity, salt spray, and chemical gases, meeting the stringent G3 environmental requirements and significantly extending the equipment's mean time between failures (MTBF).
Alternative Names
MC-TDIA12 51304439-150 MC-TDIA52 51304439-250 MC-TDIA52 51304439-275 MC TDIA12 51304439 175
Technical notes
For Honeywell MC-TDIA12 51304439-175, ensure that the input voltage is maintained between 90-132 VAC for reliable operation of all 32 isolated channels. When installing, use shielded cabling and maintain proper cable segregation as specified in the HPM planning manual to ensure CE compliance and optimal noise immunity.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What are the primary applications for the Honeywell MC-TDIA12 51304439-175?
This module is primarily used in Honeywell TDC 3000 and TPS system HPM (High-Performance Process Manager) subsystems to acquire 120 VAC digital field signals, such as pump start/stop status, valve open/close feedback, and motor running states. Its 32-channel high-density design makes it ideal for large-scale process control projects in refining, petrochemical, and power generation industries.
How do I diagnose the operating status of this module?
The system monitors I/O status through the HPM control network. This FTA works with an associated DI IOP (e.g., MU-PDIX02) and reports each channel’s status to the HPMM via the I/O Link Interface. If a field wire is open or shorted, the system logic can identify the abnormal channel.
How does the module perform in harsh environments?
The Honeywell MC-TDIA12 51304439-175 is factory-coated with conformal coating, meeting ISA G3 (Harsh) environmental standards per ISA S71.04-1985. It operates reliably in high-humidity, high-salt-spray, and corrosive gas environments with an operating temperature range of 0-60°C.
What monitoring parameters should I consider during installation?
During installation, ensure the input voltage is stable within 90-132 VAC and maintain strict separation between field wiring and IOP-to-FTA cables. For CE-compliant installations, shielded cables (MU-KFTSxx series) must be used, and the FTA mounting channel must be properly grounded.

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