Product Overview

The Honeywell TC-FXX172 is a high-density, 17-slot chassis designed to function as the physical and electrical backbone for the Experion PKS (Process Knowledge System). This industrial-grade rack provides the necessary slots for housing a diverse array of C200 controllers, I/O modules, and specialized communication interfaces. Engineered for maximum scalability, the TC-FXX172 facilitates high-speed data transfer across the backplane while ensuring stable power distribution to all seated components. Its non-conformal coated (uncoated) design is optimized for standard control room environments, providing superior thermal management and easy access for system maintenance or hardware expansion.

Mechanical Configuration and Electrical Attributes

• Model Number: TC-FXX172

• Total Module Capacity: 17 Individual Slots

• System Series: Experion PKS / C200

• Backplane Power Output: 24V DC

• Maximum Current Rating: 2.8A

• Chassis Construction: Rigid metal frame for structural integrity

• Coating Specification: Uncoated (Standard Environment)

• Equipment Weight: 1.4 kg

• Physical Dimensions: 17.1 cm x 40.0 cm x 14.6 cm

• Mounting Type: Panel or Rack Mountable

• Country of Manufacture: USA

Industrial Utility and Deployment Scenarios

This 17-slot chassis is a foundational component for large-scale Distributed Control Systems (DCS) where high I/O density is required. It is extensively used in complex process industries such as chemical manufacturing, oil refining, and pharmaceutical production to centralize multiple control loops and logic functions. The TC-FXX172 allows engineers to build redundant controller pairs or high-capacity I/O clusters within a single physical footprint. Because it supports the integration of ControlNet and Ethernet bridge modules, this chassis serves as a critical junction point for networking remote field devices with central plant management systems, providing the reliability needed for 24/7 mission-critical operations.

FAQ

Q: Can this 17-slot rack be used in a redundant controller configuration?

A: Yes, the TC-FXX172 is frequently used to house redundant pairs of C200 controllers and their associated Redundancy Modules (RM), providing a high-availability solution for critical process control.

Q: What is the difference between this "uncoated" rack and a coated version?

A: An uncoated rack like the TC-FXX172 is intended for use in climate-controlled, clean environments. Coated versions (conformal coated) are specifically treated for "harsh" environments where corrosive gases or high humidity might otherwise damage electrical contacts.

Q: Does the chassis include a power supply?

A: The TC-FXX172 is the rack and backplane only. A separate power supply module (such as the TC-FPCxx series) must be installed into the chassis to provide the necessary 24VDC power to the backplane.

Q: Is it possible to mix different types of modules in this rack?

A: Absolutely. The universal backplane design allows you to mix and match C200 processors, various I/O cards (Analog, Digital, Pulse), and network communication modules in any of the available slots.

Q: How do I secure the modules into the TC-FXX172?

A: Modules are designed to slide into the guide rails and snap into the backplane connectors. They are typically secured with a top and bottom latch or screw mechanism to ensure a stable connection under vibration.