Honeywell 51304754-100 MU-PAIH03 TDC 3000 High Level Analog Input Processor

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Manufacturer: Honeywell
Product No.: 51304754-100
Country of origin:United States
Product Type: DCS I/O Modules
Payment: T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months

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Description

Processing high-level analog signals within the legacy Honeywell TDC 3000 and TPS Process Manager control architectures, the Honeywell 51304754-100 (module designation MU-PAIH03) serves as a dedicated High Level Analog Input (HLAI) processor. This card executes high-density signal conditioning, analog-to-digital conversion, and secure bus communication for critical process loops. Designed for environments with controlled atmospheric parameters, this specific assembly is a non-conformally coated hardware version built to strict OEM technical tolerances.

Features

Manages up to 16 analog input channels per card.
Establishes clean serial communication with the High Level Analog Input Field Termination Assemblies (FTAs).
Performs hardware-level signal filtering to eliminate high-frequency field noise.
Integrates onboard diagnostics for continuous component self-checking.
Provides clear status LED indication on the faceplate for rapid troubleshooting.

Applications

Legacy Honeywell TDC 3000 and TPS distributed control systems (DCS).
Continuous process monitoring in refining, chemicals, and petrochemical plants.
Interface processing for flow transmitters, level sensors, and pressure loops.

Technical Specifications

Parameter	Specification Value
Manufacturer	Honeywell
Part Number (SKU)	51304754-100
Model Number	MU-PAIH03
Module Type	High Level Analog Input (HLAI) Processor
Input Channels	16 Channels
Signal Input Range	1 to 5 VDC (or 4 to 20 mA via 250 Ohm termination resistors at the FTA)
Conformal Coating	No (Non-coated)
Compliance	CE compliant
Operating Temperature	0 to 60 degC
Shipping Weight (Calculated)	3.0 kg (6.61 lbs)

Connections and Interfaces

Interface Component	Description / Function
I/O Link Connector	Interfaces directly with the I/O Link cable to feed data to the High Level Analog Input FTA.
Backplane Connector	Connects to the card file backplane for 24 VDC redundant power and communication.

Empirical Engineering Insights

Alternative Models & Compatibility: The 51304754-100 (MU-PAIH03) is a non-conformally coated module. If your system is deployed in environments containing corrosive elements like hydrogen sulfide (H2S), chlorine, or high relative humidity, you must replace it with the conformally coated equivalent (MC-PAIH03, part number 51304754-150 / 51304754-200) to avoid accelerated trace corrosion.

Application Pitfalls & Engineering Notes: Because this processor relies on passive voltage measurement, it converts 4 to 20 mA transmitter loops into a 1 to 5 VDC signal across precision 250-Ohm shunt resistors located directly on the Field Termination Assembly (FTA). If an entire card's channel group exhibits offset readings, inspect the FTA's common ground reference and verify that the resistor network has not drifted.

Commissioning & Wiring Tips: Ensure that the multi-conductor I/O link cable running from the card file backplane to the FTA is fully secured and shielded. Loose connector screws are a common source of intermittent channel errors and open-loop sensor failures in highly vibrant control room panels.

Installation Guidelines

CRITICAL WARNING

Before inserting or extracting the HLAI module, ensure the I/O slot power is properly handled. Live insertion (hot-swapping) must only be performed under strictly controlled field maintenance protocols. Ground yourself using an ESD wrist strap prior to touching the PCB components.

Verify that the destination slot in the Process Manager I/O card file is clean, unobstructed, and matches the HLAI configuration parameter in your system software.

Align the circuit board with the upper and lower card guides of the card file, sliding it slowly inward until the backplane connectors seat firmly.

Secure the card's retaining screws to lock the assembly against vibration and guarantee persistent ground loop continuity.

Key Features:

#DCS I/O Modules #Honeywell TDC 3000

What is the difference between the MC-PAIH03 and MU-PAIH03 models?

The MC-PAIH03 is a conformally coated processor module designed for environments with harsh, corrosive chemical contaminants. The MU-PAIH03 (51304754-100) is non-conformally coated and intended for clean, environmentally controlled cabinets.

Does the 51304754-100 card support 4-20 mA inputs directly?

Yes, but it requires the associated Field Termination Assembly (FTA) to be fitted with 250-Ohm shunt resistors to convert the 4-20 mA current loops into the 1-5 VDC signals measured by the processor.

How many input channels are supported by the MU-PAIH03?

This High Level Analog Input processor supports up to 16 analog input channels.

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Returns & Warranty

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12-Month Warranty: Every industrial component is backed by our professional technical warranty.

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For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Country of origin

Technical knowledge

$Math Operations Using OpenPLC for Industrial Automation Applications$

Honeywell 51304754-100 MU-PAIH03 TDC 3000 High Level Analog Input Processor