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Honeywell CC-TFB402 Field Termination Assembly Module

Configured for field signal termination and electrical interface functions in Honeywell Experion PKS C300 control systems, the Honeywell CC-TFB402 (CC-TFB402 Field Termination Assembly Module) provides direct physical signal connection between field wiring and control I/O hardware.

Hardware Specifications

Parameter	Specification
Model	CC-TFB402
Brand	Honeywell
Product Type	Field Termination Assembly (FTA) / Control Circuit Board
System Compatibility	Honeywell Experion PKS C300 control system
Module Function	Field signal termination and I/O interface
Application Category	PLCs / Machine Control / PC Board PLC Add-On Board
I/O Interface	Field wiring termination interface for compatible FIM I/O modules
Channel Configuration	Dependent on associated Field Interface Module configuration
Communication Interface	I/O connection interface with compatible Honeywell control hardware
Mounting Method	Honeywell control cabinet termination assembly mounting
Wiring Connection	Field terminal connections with dedicated module interface connectors
Brand New Status	Discontinued by manufacturer
Origin	USA
Weight	0.40 lbs

4-20 mA HART and Field Signal Interface Characteristics

The CC-TFB402 is designed as a termination-level hardware component within the Honeywell Experion PKS I/O architecture. The assembly provides the physical termination point for field conductors and routes electrical signals to the associated I/O processing hardware.

For process instrumentation applications, compatible Honeywell I/O configurations may support analog communication schemes such as 4-20 mA HART loop protocol or digital field interfaces depending on the connected I/O module. Channel-to-channel isolation characteristics are determined by the paired I/O hardware and system architecture.

The termination assembly maintains signal integrity through controlled wiring paths, proper shielding practices, and defined field cable routing. It does not perform independent signal processing or control algorithm execution.

Frequently Asked Questions (FAQ)

Q: Does the CC-TFB402 operate as an independent controller module?
A: No. The CC-TFB402 is a Field Termination Assembly and provides field wiring termination and interface functions. Control execution is performed by the associated Honeywell controller and I/O modules.

Q: Can the CC-TFB402 be installed without a compatible Honeywell I/O module?
A: No. The assembly requires connection with the designated Honeywell field interface and control hardware configuration.

Q: Does the CC-TFB402 support direct firmware upgrades?
A: No. The CC-TFB402 is a passive termination/interface hardware assembly and does not contain user-upgradable firmware.

Field Installation Guidelines

• Install the CC-TFB402 inside the designated Honeywell control cabinet or termination area according to the system hardware layout.
• Verify terminal assignments before connecting field conductors to prevent incorrect signal routing.
• Use shielded instrumentation cable where required by the connected field device specification.
• Terminate cable shields according to the plant grounding standard to reduce electrical noise interference.
• Separate low-level analog signal wiring from high-voltage power conductors and high-current switching circuits.
• Confirm connector engagement and mechanical fixing before system power application.
• Perform continuity checks on field wiring before placing connected I/O channels into service.

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