MC-GAIH83 | Honeywell 51304718-375 Galvanically Isolated High Level Analog Input/STI FTA

Product Overview

The MC-GAIH83 is a galvanically isolated High Level Analog Input/STI Field Termination Assembly designed for Honeywell HPM and compatible DCS systems. It supports hazardous-area transmitter connections with crimp terminals and conformal coating.

Key Features

• 16 high-level analog input channels with STI capability
• Galvanic isolation between field and system sides
• Crimp-type terminal connectors
• Suitable for hazardous area applications
• Conformal coated for harsh environments

Technical Specifications

• Part Numbers: 51304718-350 / 51304718-375
• Input Channels: 16
• Isolation: Galvanic isolation (safe to hazardous side)
• Terminal Type: Crimp
• Safety Parameters: 28 V maximum open-circuit, 300 Ω minimum source resistance, 93 mA maximum short-circuit current
• Auxiliary Output: Available for external monitoring

FAQ

• What is the primary application of this FTA? Connecting high-level analog and smart transmitters located in hazardous areas with galvanic isolation.
• What terminal style is used? Crimp-type terminals.
• Does it support STI? Yes, it includes Smart Transmitter Interface capability.

Installation Guide

1. Mount the FTA in the designated marshalling location.
2. Install the required Galvanic Isolation Modules for each channel.
3. Terminate field wiring using the crimp connectors according to the channel map.
4. Connect the IOP interface cables and any auxiliary monitoring cables.
5. Power up and verify isolation integrity and channel status.

Selection Tips

• Select this model when galvanic isolation and hazardous-area compliance are required.
• Confirm crimp terminal preference and STI needs.
• Verify compatibility with the associated high-level analog input/STI processor.