Skip to content

What are you looking for?


You may also like

Honeywell 51403645-500 Redundant Termination ModuleHoneywell 51403645-500 Redundant Termination ModuleHoneywell 51403645-500 Redundant Termination Module
Honeywell 51403645-500 Redundant Termination Module
Honeywell 51403645-500 Redundant Termination Module
Honeywell 51403645-500 Redundant Termination Module

Honeywell 51403645-500 Redundant Termination Module


Only 10 left - Selling fast

PRODUCT SKU : 51403645-500

PRODUCT TYPE : Termination Assembly Modules

PRODUCT VENDOR : Honeywell


  • 100% Genuine Parts – Risk-Free 30-Day Returns
  • 1-Year Warranty & Expert Support for Every Order

Product Details

The Honeywell 51403645-500, also cataloged as the 51403645-500 Termination Assembly Module, operates as a dedicated hardware component for signal termination, distribution, and isolation within Honeywell Experion PKS and TDC 3000 platforms.

Hardware Specifications

Parameter Specification
Model 51403645-500
Brand Honeywell
Origin USA
Weight 0.5-0.8 kg
Dimensions 250 x 100 x 80 mm
Operating Temp -20 to +60 deg C
Power Consumption 5-10 W
Supply Voltage 24 VDC typical
Channels Supported 16-32 channels (depending on I/O type)
Mounting DIN-rail or chassis installation
Protection Class IP20
Certifications CE, UL508, CSA, TUV

4-20 mA HART Loop Protocol & Channel Isolation

The module establishes individual loop circuit power distribution and physical channel-to-channel isolation across all connected field wiring points. High-density isolation barriers decouple individual process loops, preventing ground loops and suppressing high-frequency common-mode noise from corrupting adjacent channels. This low-impedance signal path allows bidirectional frequency-shift keying (FSK) digital telemetry under the 4-20 mA HART loop protocol to pass transparently between field transmitters and central DCS processors.

Frequently Asked Questions

Q: What power supply range is required for the 51403645-500 termination module?

A: The module accepts a nominal supply voltage of 24 VDC, consuming between 5 W and 10 W depending on active channel density and loading.

Q: What channel capacity does the assembly support during cabinet integration?

A: Depending on the specific I/O module type connected, the assembly routes and terminates between 16 and 32 field channels.

Q: Is hot-swapping or physical removal permitted during operation?

A: Module removal must adhere to system backplane isolation rules; field wiring leads can remain terminated while the module framework is serviced.

Field Installation Guidelines

  1. Mount the assembly securely onto standard DIN-rail or chassis mounting frames within an IP54-rated or better control enclosure.
  2. Ensure the 24 VDC auxiliary loop power is switched off prior to terminating field wires onto the connector blocks.
  3. Strip field wiring leads according to connector specifications and torque terminal connections to prevent high-resistance contacts.
  4. Connect all individual shield drain wires to the designated earth grounding bus bar using a low-impedance grounding strap.
  5. Verify physical clearance around the unit to maintain ambient operating temperatures within -20 to +60 deg C.

Additional Information

  • 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
  • 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
  • 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
  • Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
  • Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
  • Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.




Recently Viewed Products

Tech & Buying Guide

Technical Insights, Installation Guides, and Buying Tips
Understanding Modern SCADA Systems: Architecture, Communication Topologies, and Industrial Applications

Understanding Modern SCADA Systems: Architecture, Communication Topologies, and Industrial Applications

Supervisory Control and Data Acquisition (SCADA) systems form the digital backbone of modern industrial automation. They collect critical field data, transmit signals across vast distances, and empower plant operators with real-time process visibility. Across modern infrastructures, SCADA solutions streamline centralized control and maintain continuous operational uptime.

Read more
Understanding OPC Servers in Modern Industrial Automation: Principles, Architecture, and Applications

Understanding OPC Servers in Modern Industrial Automation: Principles, Architecture, and Applications

In industrial automation, connecting physical hardware with high-level software remains a primary operational challenge. Factories utilize programmable logic controllers (PLCs), distributed control systems (DCS), human-machine interfaces (HMIs), and smart sensors from diverse vendors. These devices often speak different proprietary protocols. Open Platform Communications (OPC) servers solve this interoperability challenge by standardizing how data flows across factory networks.

Read more
Industrial Fiber Optic Cables: Principles, Connectors, and Fusion Splicing Techniques

Industrial Fiber Optic Cables: Principles, Connectors, and Fusion Splicing Techniques

Modern factory automation relies heavily on fiber optic cables for high-speed industrial data transmission. Fiber optic cables transmit light pulses instead of electrical signals, eliminating electromagnetic interference (EMI) risks completely. Each optical strand consists of a high-purity glass core surrounded by a protective cladding layer. The difference in refractive index between core and cladding enables total internal reflection. Protective resin buffers, Kevlar strength members, and rugged outer jackets safeguard delicate glass cores in harsh environments. Consequently, automation engineers prefer fiber backbones for reliable noise-free communication in industrial control systems.

Read more