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Honeywell 51402573-250 Interface Module

Honeywell 51402573-250 Interface Module

Item NO.: 3539370
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Warranty: 1 year 


Condition : brand new in factory sealed box


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Detail

  • Product NameHoneywell 51402573-250 Interface Module
  • Item NO.3539370
  • Weight2.0000 kg = 4.4092 lb = 70.5479 oz
  • CategoryDCS
  • BrandHoneywell
  • Creation Time2026-02-11
  • Honeywell Interface Module
Honeywell 51402573-250 | Replacement / Spare Module

51402573-250

Replacement / Spare Module Honeywell Process Solutions Legacy / Obsolete
Spare Parts · Legacy Support
Overview Specifications Features Applications Lifecycle FAQ Recommended Models

Overview

51402573-250 is a legacy replacement / spare module from Honeywell Process Solutions, typically associated with the TDC 3000 and early Experion systems. This part number is often used as a spare or replacement for analog I/O modules in existing installations.

The 51402573-250 is no longer in active production but may still be available through Honeywell's legacy support channels or authorized third‑party suppliers as a tested, refurbished or new‑old‑stock (NOS) unit.

Legacy product Spare part TDC 3000 compatible Replacement available
Key information
  • Legacy Honeywell part number
  • TDC 3000 / Experion compatible
  • Spare / replacement module
  • Active support discontinued
  • Migration path available

Specifications

General information

Manufacturer Honeywell Process Solutions
Part number 51402573-250
Product type Legacy replacement / spare module
Applicable systems TDC 3000, Experion PKS (with compatibility)
Module type Typically analog I/O or communication
Production status Discontinued (legacy)
Availability Limited — refurbished / NOS only
Certifications As per original TDC 3000 certification

Compatibility & usage

System compatibility TDC 3000, Experion PKS (early versions)
Rack compatibility Legacy TDC 3000 I/O racks
Firmware Legacy firmware; verify revision
Field connection As per original module specification
Spare part status Limited stock — verify availability
Recommended replacement CC‑PAOH01 / CC‑PAOX01 (for migration)
Note: Exact specifications may vary by revision. Always verify with Honeywell documentation.

Features

Legacy support

  • Compatibility — Designed for seamless integration with existing TDC 3000 and early Experion PKS installations.
  • Spare availability — Serves as a replacement for failed modules in legacy systems.
  • Migration path — Can be replaced by newer Series C modules when migrating to modern Experion PKS.

Considerations

  • Discontinued status — No longer in active production; limited availability.
  • Revision matching — Verify hardware revision and firmware compatibility with existing system.
  • Migration planning — Recommended to plan migration to active Series C modules for long‑term support.

Applications

51402573-250 is typically used as a spare or replacement module in legacy Honeywell DCS installations.

TDC 3000 system support
Legacy plant maintenance
Spare parts inventory
Emergency replacement
Migration bridge
Old‑system sustainment
Recommendation: For new installations, consider CC‑PAOH01 or CC‑PAOX01 as the modern replacement.

Lifecycle & Replacement

Discontinued no longer in active production

End‑of‑Life (EOL) date: 51402573‑250 has been discontinued as a standard product. Limited stock may still be available through legacy support channels or third‑party suppliers.

Migration & replacement considerations:

Recommended replacement: For long‑term support and modern capabilities, Honeywell recommends migrating to the Series C I/O platform. Key replacement options include:
  • CC‑PAOH01 — Standard analog output module with HART
  • CC‑PAOX01 — Isolated analog output module with HART
  • CC‑PAIX01 — Isolated analog input module with HART
Related legacy models: 51402573‑200, 51402573‑300, TC‑IAOH61

Recommendation: For critical systems, we strongly advise planning a migration to active Series C modules to ensure continued support and availability of spare parts.

FAQ – Frequently Asked Questions

Q1: Is 51402573‑250 still available for purchase?

It has been discontinued by Honeywell. Limited refurbished or new‑old‑stock (NOS) units may be available through third‑party suppliers. We recommend verifying availability before ordering.

Q2: What is the recommended replacement for 51402573‑250?

For modern Experion PKS systems, CC‑PAOH01 (standard analog output) or CC‑PAOX01 (isolated analog output) are the recommended replacements. For analog input, use CC‑PAIX01.

Q3: Is 51402573‑250 compatible with Experion PKS?

It may be compatible with early Experion PKS versions that support legacy TDC 3000 modules. However, for full compatibility and support, migration to Series C modules is recommended.

Q4: How can I verify the revision of my 51402573‑250 module?

Check the label on the module for the hardware revision and firmware version. Consult Honeywell documentation for revision compatibility with your system.

Q5: Are there any alternatives to 51402573‑250?

Yes, the Series C modules (CC‑PAOH01, CC‑PAOX01, CC‑PAIX01) are the modern alternatives. For legacy support, you may also find 51402573‑200 or TC‑IAOH61 as alternatives.

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