MC-GAOX02 Honeywell 51304638-175 CE-Compliant FTA Module
Manufacturer: Honeywell
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Part Number: 51304638-175
Condition：New with Original Package
Product Type: Field Termination Assembly
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Overview
The Honeywell 51304638-175, identified by the alternate code MC-GAOX02, functions as a specialized Field Termination Assembly (FTA) for Honeywell Distributed Control Systems. This module converts digital system commands into 8 isolated 4–20 mA analog signals to drive valves, actuators, and other critical process control field devices. By utilizing galvanic isolation, the 51304638-175 prevents ground loops and protects the control system from field-side electrical surges.
Technical Specifications
The following table details the core operational parameters for the MC-GAOX02:
| Feature | Specification Details |
| Model Number | 51304638-175 (MC-GAOX02) |
| Output Channels | 8 Isolated Channels |
| Signal Type | 4–20 mA Current Loop |
| Isolation Type | Galvanic (Channel-to-System) |
| Maximum Load | Less than 750 Ω |
| Terminal Interface | Compression-style Screw Terminals |
| Environmental Protection | Conformal Coating (Standard) |
| Compliance | CE Compliant |
| Weight | 0.91 kg |
| Dimensions | 2.2 cm × 12.4 cm × 12.6 cm |
Engineering Advantages
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Galvanic Signal Protection: Individual isolation for each channel eliminates common-mode interference. This ensures that electrical faults in one field device do not propagate to the controller or adjacent output channels.
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Harsh Environment Readiness: Honeywell applies a high-grade conformal coating to every 51304638-175 unit. This protective layer repels moisture, dust, and corrosive chemical vapors typically found in refineries and chemical processing plants.
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Vibration-Resistant Wiring: The module utilizes industrial-strength compression terminals. These connectors secure field wiring more effectively than standard tension clamps, preventing signal loss in high-vibration environments.
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Cabinet Space Optimization: The slim 2.2 cm profile allows engineers to pack high channel density into standard 19-inch cabinets, reducing the total footprint of the control room hardware.
FAQs
Q: Is this 51304638-175 unit a 100% Brand New original product?
A: Yes. We supply only 100% Brand New and original Honeywell units. Each module arrives in factory packaging with verified serial numbers and the standard 12-month industrial warranty.
Q: Can I use the MC-GAOX02 in a redundant signal path configuration?
A: No. The 51304638-175 design focuses on single-path output reliability. If your application requires full hardware redundancy, you must select a redundancy-capable FTA model specifically designed for dual-processor tracking.
Q: What is the benefit of the CE compliance on this specific FTA?
A: CE compliance ensures the module meets strict European standards for electromagnetic compatibility (EMC) and safety. It guarantees that the 51304638-175 will not interfere with other sensitive electronics in your DCS rack.
Q: Does the module require an external power supply for the 4-20mA loops?
A: The FTA typically draws power through the I/O link cable connected to the DCS controller, but always verify your specific system's power distribution map to ensure the loop load (up to 750 Ω) remains within the rated capacity.