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HONEYWELL CC-TCF901 51308301-175 Control Input/Output Termination

HONEYWELL CC-TCF901 51308301-175 Control Input/Output Termination

Item NO.: CC-TCF901 51308301-175

Warranty: 1 year 


Condition : brand new in factory sealed box


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Detail

  • Product NameHONEYWELL CC-TCF901 51308301-175 Control Input/Output Termination
  • Item NO.CC-TCF901 51308301-175
  • Weight2.0000 kg = 4.4092 lb = 70.5479 oz
  • CategoryDCS
  • BrandHoneywell
  • Creation Time2024-11-14
  • Control Firewall IOTA
  • Honeywell Process Solutions
  • Experion PKS · Series C · CF9
Honeywell CC-TCF901 | Control Firewall IOTA

Product Profile

CC-TCF901 (Part No. 51308301-175) is a 9‑port Control Firewall Input/Output Termination Assembly (IOTA) for the Honeywell Experion PKS Series C architecture. It provides the physical mounting interface, electrical connection, and power distribution for the CC-PCF901 Control Firewall module, which is designed to shield C300 controllers and Series C Fieldbus Interface Modules (FIMs) from disruptive network traffic at the supervisory level.

The CC-TCF901 features 9 RJ‑45 Ethernet ports: 8 downlink ports for local FTE (Fault Tolerant Ethernet) connections to in‑cabinet controllers, and 1 dedicated uplink port to the supervisory FTE network. It integrates 24 VDC power distribution directly through the backplane, eliminating the need for separate terminal strips. The module is built with an industrial‑grade form factor and supports G3 conformal coating for corrosion protection in harsh environments.

9 ports FTE network 8 downlink + 1 uplink 24V DC distribution G3 coating
Key functions
  • Mounting base for CC-PCF901
  • Physical FTE cable termination
  • 24V DC power distribution
  • Network traffic prioritization
  • Optional fiber optic support

Technical Data

Hardware specifications

Manufacturer Honeywell Process Solutions
Model CC-TCF901
Part Number 51308301-175
Product type Control Firewall IOTA (CF9)
Total ports 9 × RJ-45 Ethernet
Port allocation 8 downlink + 1 uplink
Network protocol Fault Tolerant Ethernet (FTE)
Supply voltage 24 VDC
Current draw 0.112 A (typical) [citation:10]
Fiber optic support CC-FSMX01 (single-mode), CC-FMMX01 (multi-mode) 
Operating temperature -40°C to +70°C
Storage temperature -40°C to +85°C 
Relative humidity 5% – 95% RH (non-condensing) 
Environmental protection G3 conformal coating (standard) 
Certifications CE, UL, CSA

I/O & interfaces

Downlink ports 8 × RJ-45 (FTE for C300 controllers / FIMs)
Uplink port 1 × RJ-45 (supervisory FTE network)
Fiber module slots Optional SFP support
Single-mode fiber CC-FSMX01 (LC connector, 1300 nm) 
Multi-mode fiber CC-FMMX01 (MT-RJ connector, 1300 nm) 
Fiber module current 0.30 mA @ 24 VDC (additional) 
Power distribution Integrated 24V DC backplane bus
Mounting Series C carrier or backplane
Hot‑swap Supported (with ESD precautions)
Coating G3 conformal coating
Note: The -175 suffix indicates G3 conformal coating for corrosion protection in harsh atmospheres.

System Role

The CC-TCF901 serves as the physical foundation for the Control Firewall function within the Experion PKS architecture. It is a passive IOTA (Input/Output Termination Assembly) that provides the electrical and mechanical interface for the active CC-PCF901 firewall module.

The IOTA functions as a traffic arbiter on the Fault Tolerant Ethernet (FTE) network, ensuring critical control messages are prioritized over non‑essential broadcast or multicast traffic. By isolating the C300 controller network from higher‑level supervisory traffic, it prevents "broadcast storms" and other network anomalies from impacting deterministic process execution.

The 9th port is intentionally designed with internal queue prioritization that gives precedence to downlink traffic if the network fabric becomes saturated. This ensures that controller telemetry using ports 1‑8 is not disrupted by uplink congestion.

Network security boundary FTE traffic arbiter Deterministic communication Cyber-hardened
Architecture context
  • Part of Experion PKS Series C
  • Used with CC-PCF901 module
  • Connects to C300 controllers
  • Redundant Yellow/Green FTE networks
  • Complies with ISA/IEC 62443

Compatibility

The CC-TCF901 is designed to integrate with the following Honeywell Experion PKS components and modules.

Supported components

Control Firewall Module CC-PCF901 (plugs directly into this IOTA) 
Mark II variant DC-TCF901 (for Series C Mark II cabinets) 
Single-mode fiber module CC-FSMX01 (LC connector, 1300 nm)
Multi-mode fiber module CC-FMMX01 (MT-RJ connector, 1300 nm) 
C300 Controllers CC-PCNT01, CC-PCNT02 
Series C I/O modules CC-PFB401, CC-PAIH01, etc. 
FTE Bridge Module CC-TFB401, CC-FIMB01 
Horizontal 9-port IOTA CC-HCN911 (alternative FTE IOTA) 
Compatibility notes:
  • The CC/DC prefix indicates coated printed wiring boards; CU prefix indicates uncoated boards.
  • CC-TCF901 is designed specifically for Experion PKS Series C architecture and is not interchangeable with standard commercial Ethernet switches .
  • For redundancy, two IOTAs are installed (Yellow and Green networks) to provide fully Fault Tolerant Ethernet.
  • Do not connect Control Firewalls to interfaces configured for uplinks; configure all interfaces for portfast before attaching.

Applications

The CC-TCF901 is deployed in critical industrial control environments where network security and high availability are essential.

Oil & gas control networks
Chemical plant DCS security
Power generation FTE systems
Offshore marine automation
Refining & petrochemical
Cyber-hardened control zones (IEC 62443)
Remote instrument enclosures
Experion PKS migration projects
Typical deployment: Used to connect C300 controllers and Series C I/O to the FTE backbone, providing a secure network gateway with optional fiber uplinks for long‑distance connectivity.

FAQ – Frequently Asked Questions

Q1: What is the relationship between CC-TCF901 and CC-PCF901?

CC-TCF901 is the IOTA/baseplate that provides the physical mounting and electrical interface. CC-PCF901 is the active Control Firewall module that plugs into it. Both are required for firewall protection.

Q2: Can all 9 ports connect to C300 controllers?

No. 8 ports are downlink ports for local devices (C300 controllers and FIMs). 1 port is reserved as the uplink to the supervisory FTE network.

Q3: Does the module support fiber‑optic connections out of the box?

Standard ports are RJ‑45 copper. Fiber is supported via optional SFP modules: CC-FSMX01 for single‑mode and CC‑FMMX01 for multi‑mode fiber.

Q4: What does the G3 coating mean?

The -175 suffix indicates G3 conformal coating, providing protection against corrosion from sulfur, salt, and other airborne contaminants in harsh industrial atmospheres.

Q5: Can CC-TCF901 be used as a standard Ethernet switch?

No. It is a specialized Control Firewall IOTA designed for Honeywell's proprietary FTE protocol. It uses embedded logic to prioritize control data, which a standard commercial switch cannot replicate.

Q6: How does redundancy work with this module?

In a standard Experion PKS setup, two CC-TCF901 IOTAs are installed (Yellow and Green networks) to provide a fully Fault Tolerant Ethernet environment, ensuring no single point of network failure.

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