Product Overview

The Honeywell TC-FPDXX2 is a heavy-duty DC-to-DC Power Supply Module specifically engineered to provide regulated 24VDC power to critical control infrastructure. As a member of the Uncoated Series-A family, this module is built to withstand the rigors of Distributed Control System (DCS) environments where consistent voltage is non-negotiable. It functions as a robust energy stabilizer, taking a wide range of DC inputs and converting them into a clean 100W output. This ensures that sensitive I/O modules, safety managers, and field instruments are protected from the electrical noise and fluctuations commonly found on industrial power buses.

Hardware Infrastructure and Power Parameters

• Input Voltage Spectrum: 19.2 to 32 VDC

• Nominal Output Voltage: 24 VDC

• Total Power Rating: 100 Watts

• Current Capacity: Rated for 30 Amps (Maximum Inrush Capability)

• Thermal Performance: Delivers 70 Watts of continuous power at 60°C

• Physical Weight: 1.14 kg

• Module Dimensions: 14.4 x 10.5 x 14 cm

• Manufacturing Origin: USA

• Export Classification (HS Code): 8537101190

• Environmental Build: Uncoated Series-A Industrial Grade

Industrial Utility and Deployment Context

The TC-FPDXX2 is primarily utilized in high-availability sectors such as oil and gas refining, chemical processing, and large-scale power generation. Within these industries, it serves as the primary power source for localized control clusters or as a redundant power link in mission-critical safety racks. Its ability to handle a 30A inrush current makes it exceptionally reliable during system startups when inductive field loads are first energized. Furthermore, the module's high-temperature resilience ensures that it can be deployed in non-climate-controlled remote instrument enclosures (RIE) without the risk of thermal derating causing a system-wide shutdown.

FAQ

Q: What is the main difference between the TC-FPDXX2 and AC-input power supplies?

A: The TC-FPDXX2 is a DC-input module, designed to take 24VDC (within a 19.2-32V range) and stabilize it for control electronics. This is ideal for systems already running on large industrial DC battery banks or centralized DC distribution.

Q: Does this module require a specific mounting orientation for cooling?

A: Like most high-output power modules, the TC-FPDXX2 relies on convection cooling. It should be mounted in a standard upright position within the cabinet to allow the 14.4cm height to facilitate natural airflow over the internal heat sinks.

Q: Can this power supply be used in a redundant configuration?

A: Yes, the TC-FPDXX2 is frequently used in 1+1 or N+1 redundant setups. When paired with a redundancy module, it ensures that if one power supply fails, the DCS remains fully operational without any dip in voltage.

Q: Is this module suitable for extremely cold environments?

A: While its high-temperature performance (70W at 60°C) is a standout feature, it is also designed for standard industrial cold-start conditions. However, for outdoor use in sub-zero temperatures, an insulated or heated enclosure is recommended.

Q: How does the "Uncoated" designation affect its use?

A: "Uncoated" means the PCB does not have a conformal coating. This is standard for clean, controlled indoor environments. For applications where the module is exposed to high humidity, salt air, or corrosive gases, a coated version (Series-C or specific CC-prefixed modules) may be required.