MC-GAIH13 51304718-175 | Honeywell Experion PKS Galvanically Isolated HLAI/STI FTA

Product Overview

The Honeywell MC-GAIH13 (51304718-175) serves as a high-performance Galvanically Isolated High-Level Analog Input (HLAI) and Smart Transmitter Interface (STI) Field Termination Assembly (FTA). This 100% Brand New and original module provides the critical interface for 16 analog input channels within the Honeywell Experion PKS and TDC 3000 ecosystems. It specializes in protecting control system electronics from field transients and ground loops while supporting smart transmitter communication in demanding process environments.

Technical Specifications

• Manufacturer: Honeywell

• Model Number: MC-GAIH13

• Part Number: 51304718-175

• Type: HLAI/STI Field Termination Assembly (FTA)

• Channels: 16 Analog Input Channels

• Isolation: Galvanic Isolation (GI)

• Protection: Intrinsic Safety (IS) / CE Compliant

• Coating: Conformally Coated for Corrosive Environments

• Redundancy: Supports Redundant I/O Configurations

• Terminal Type: Compression Terminals

• Size: 12 inches (307 mm)

• Shipping Weight: 2.0 Kg

Engineering Advantages

• Galvanic Isolation Shielding: The MC-GAIH13 utilizes internal transformer or optical coupling to provide complete galvanic isolation. This architecture physically separates field-side wiring from the I/O processor, effectively eliminating ground loops and preventing high-voltage transients from damaging the central DCS hardware.

• Advanced Conformal Coating: Honeywell applies a specialized protective coating to the entire PCB assembly. This layer resists the corrosive effects of humidity, moisture, and chemical gases, making the board ideal for installation in refineries, paper mills, and offshore platforms where airborne contaminants are prevalent.

• Intrinsic Safety Integration: Designed for hazardous area applications, this FTA incorporates intrinsic safety (IS) principles. It limits the electrical energy entering the field loops, preventing the ignition of flammable atmospheres while maintaining high-fidelity signal transmission for 4-20mA smart transmitters.

• High-Integrity Redundancy: The module supports fully redundant I/O configurations. If the primary hardware path encounters a fault, the system triggers an instantaneous transfer to the standby path without signal bumping, ensuring continuous process visibility and uptime.

• Simplified Compression Terminals: High-quality compression terminals facilitate rapid and secure field wiring. These terminals provide a gas-tight connection that resists loosening under mechanical vibration, significantly reducing maintenance requirements compared to standard screw-type headers.

FAQs

• Does the MC-GAIH13 support HART protocol communication?

  Yes, as a Smart Transmitter Interface (STI) FTA, the MC-GAIH13 passes HART digital signals between the field devices and the I/O processor. This allows your maintenance team to access remote diagnostics and device configuration through the DCS.

• Can I replace a non-coated version with this 51304718-175 module?

  Absolutely. The 51304718-175 is the conformally coated and CE-compliant version. It maintains the same physical footprint (12 inches) and electrical characteristics as the standard MC-GAIH13, providing a direct upgrade path for systems operating in harsh or regulated environments.

• What is the benefit of the "Size B" (12-inch) form factor?

  The 12-inch vertical profile allows for standardized mounting in Honeywell Series C or TDC 3000 cabinets. This consistent sizing ensures that you can maximize cabinet density and maintain organized cable management during system expansions.

• How do I verify that this module is 100% Brand New?

  We supply all 51304718-175 units in their original factory-sealed packaging. Each unit carries a unique Honeywell serial number and manufacturing label, guaranteeing a zero-hour, un-energized component that meets all original factory specifications.