Honeywell

Honeywell 51304441-175 TDC 3000 Digital Input Module

SKU 51304441-175

In stock
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: Honeywell

  • Product No.: 51304441-175

  • Country of origin:United States

  • Product Type: Digital Input Modules

  • Payment: T/T, Western Union

  • Weight: 1500g

  • Shipping port: Xiamen

  • Warranty: 12 months

Description

Designed for seamless integration within process control environments, the 51304441-175 operates as a robust digital input module that interfaces discrete field-level equipment with the control system backplane. This module processes binary signals from field contacts, limit switches, and pushbuttons, transforming raw field voltage states into system-compatible logic levels. Engineers deploy this card within legacy Honeywell Distributed Control Systems (DCS) to manage discrete inputs reliably across continuous and batch control configurations.

The unit features robust signal isolation to prevent high-voltage transients from migrating from field wiring to sensitive controller-side components. Its modular form factor permits straightforward slot installation within standard input/output processor (IOP) card files, enabling rapid system maintenance and scalability.

Features

  • Provides multi-channel discrete signal processing for high-density field environments.
  • Features optocoupler isolation to protect control system processors against electrical surges and noise.
  • Compatible with standard Honeywell IOP card files and backplanes.
  • Equipped with front-panel diagnostic indicators for real-time channel state monitoring.
  • Engineered for industrial-grade thermal and environmental resilience.

Applications

  • Power generation and utility control networks.
  • Petrochemical and oil refining facilities.
  • Pulp and paper manufacturing automation.
  • Large-scale wastewater treatment plants.

Technical Specifications

Manufacturer Honeywell
Part Number 51304441-175
Module Type Digital Input Module
System Compatibility Honeywell TDC 3000 / Experion Platforms
Interface Type Discrete Binary Input (Dry/Wet Contact Sensing)
Approximate Shipping Weight 1.5 kg
Mounting Orientation Vertical slot installation within IOP chassis

Installation Guidelines

Before installing or replacing the 51304441-175 module, ensure that the card file chassis is appropriately de-energized or follow your site's standard hot-swap protocols if supported by the active controller configuration. Align the card edge connector carefully with the backplane guide rails before applying firm pressure to seat the module. Ensure all field wiring terminal blocks are securely fastened and that appropriate cable shielding is grounded according to standard industrial automation practices to minimize electromagnetic interference.

FAQ

What is the primary function of the Honeywell 51304441-175 module?

The Honeywell 51304441-175 is a digital input module designed to interface field-level binary signals, such as contacts and limit switches, with Honeywell distributed control systems.

Is this module compatible with modern Experion systems?

The card is primarily designed for TDC 3000 series architecture but can interface with Experion systems that integrate legacy High-Performance Process Manager (HPM) or IOP card files.

How is the 51304441-175 protected against field electrical surges?

The module incorporates onboard galvanic isolation, which prevents high-voltage spikes and electrical noise from passing from field wiring to the controller side.

View all FAQs →

Quantity
Shipping & Returns

Global Express Shipping

  • Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our technical warranty.
Reviews
1 of 1
Only 4 item(s) left in stock
Quantity
View full details

Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


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

TECHNICAL SPECIFICATIONS

Country of origin
United States

Technical knowledge

Commissioning OPC UA in KEPServerEX: A Field Checklist

A practical commissioning sequence for KEPServerEX OPC UA connections: define data ownership, test tags locally, configure endpoint and certificate trust, limit access, then verify failure recovery...

Set a PLC Commissioning Laptop IP Without Losing Access

Commissioning an Ethernet-connected PLC often starts with the laptop, not the controller. Learn how to record existing settings, choose a temporary address, test connectivity, and restore the plant...

Designing Automation for Combustible Dust Hazards

Combustible dust controls require more than alarms. Learn how to map dust generation, select instrumentation, design interlocks, handle failed feedback, test safe states, and maintain the full...

Hairpin Stators: Benefits, Limits, and Inspection

Hairpin windings raise slot fill and support compact traction motors, but conductor geometry, AC losses, insulation damage, weld quality, and cooling determine whether the design meets its targets.

Using Ansible for Controlled SCADA Server Changes

Use Ansible to standardize SCADA server changes without expanding OT risk. This guide covers inventories, idempotent playbooks, staged testing, credentials, logging, and practical rollback controls.

Securing Remote PLC Access Beyond the VPN

A VPN encrypts the path to an industrial network, but secure remote PLC work also needs identity controls, segmented access, change approval, logging, safe operating boundaries, and tested recovery...