Description

Honeywell MC-GAIH13 HLAI/STI FTA

The Honeywell 51304718-175, also cataloged as the MC-GAIH13 HLAI/STI FTA, operates as a dedicated hardware component for galvanically isolated 16-channel analog signal termination within Honeywell TDC 3000 and Experion PKS control platforms.

Hardware Specifications

Parameter	Specification
Model	MC-GAIH13
Brand	Honeywell
Origin	USA
Dimensions	Size B: 12 inches (307 mm)
Part Number	51304718-175
Module Type	HLAI/STI Field Termination Assembly (FTA)
Input Channels	16 channels
Isolation Type	Galvanic Isolation
Terminal Type	Compression Terminals
Redundancy	Supported
Coating	Conformally Coated
Compliance	CE Compliant
Signal Interface	High-Level Analog Input Interface
System Compatibility	Honeywell TDC 3000 / Experion PKS DCS

4-20 mA HART Loop and Channel Isolation Features

The MC-GAIH13 provides galvanically isolated termination for high-level analog input circuits. Moreover, the assembly separates field wiring from control electronics to reduce ground loop effects and electrical interference during analog signal acquisition.

The module supports analog instrument connections through isolated input channels, maintaining channel-to-channel electrical separation within the field termination architecture. Therefore, it can be applied in redundant input configurations where signal continuity and isolation requirements must be maintained.

For Honeywell process control systems, the HLAI architecture interfaces with transmitter-based measurement loops, including typical 4-20 mA instrumentation circuits. The galvanic isolation design prevents unwanted current paths between field devices and controller-side input electronics.

Frequently Asked Questions

Q: Does the MC-GAIH13 provide electrical isolation between field signals and the control system?
A: Yes. The MC-GAIH13 uses galvanic isolation to separate field analog input circuits from the connected control system electronics.

Q: How many analog input channels are available on the MC-GAIH13?
A: The assembly provides 16 galvanically isolated analog input channels.

Q: Can the MC-GAIH13 be installed in redundant control configurations?
A: Yes. The module supports redundant configurations according to the compatible Honeywell control system architecture.

Field Installation Guidelines

Install the MC-GAIH13 according to the applicable Honeywell cabinet and termination assembly documentation. Verify terminal assignments before connecting field instruments.

Use proper cable routing practices to separate analog signal wiring from high-voltage power conductors and sources of electromagnetic interference. Connect cable shields according to the site grounding standard to minimize signal noise.

Confirm that the conformal-coated board remains protected from mechanical damage during handling and installation. Check compression terminal tightness after field wiring completion and verify loop polarity before system commissioning.

Specifications

• Brand: Honeywell

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems