NEW HONEYWELL CC-PCF901 CONTROL FIREWALL MODULE 51405047-176
The Honeywell CC-PCF901 (Part Number: 51405047-176) is a Control Firewall (CF9) Module for the Experion Process Knowledge System (PKS) C Series architecture. This module acts as the communications centre for Fault Tolerant Ethernet (FTE) networks, and is designed to ensure that essential industrial control processes are shielded from network traffic bottlenecks, unauthorised data packets and cyber vulnerabilities.
The CC-PCF901 is designed for rugged industrial applications and provides an efficient way of delivering FTE connectivity to in-cabinet network nodes such as C300 Controllers and Series C Input / Output Modules. It shields essential control networks from larger plant networks, preventing hostile or non-critical Ethernet traffic from interfering with deterministic process automation.
Model details
- Model Number: CC-PCF901
- Manufacturer Part Number (MPN): 51405047-176
- Product Type: Control Firewall C9 Module (CF9)
- Associated Termination Assembly: Mounts on the CC-TCF901 or DC-TCF901 Input/Output Termination Assembly (IOTA)

Product Datasheet and Installation Manual
Technical details
| Parameter | Specifications |
|---|---|
| Manufacturer | Honeywell |
| Model / Part Number | CC-PCF901 / 51405047-176 |
| Architecture Platform | Experion PKS Series C / Experion LX |
| Port Configuration | 9 Ports (8 Downlink Ports for FTE + 1 Uplink Port to Level 2) |
| Supply Voltage Rating | 24 VDC plus or minus 10 percent |
| Current Consumption | 195 mA Nominal / Power consumption approx 10 W |
| Operating Temperature | -40 to +85 degrees Celsius (Industrial Grade) |
| Relative Humidity | 5 to 95 percent RH Non-condensing |
| Vibration / Shock Resistance | 5g Peak at 20-500 Hz / 30g Peak for 11 ms |
| Coating Protection | G3 Conformal Coating (Standard for corrosive environments) |
| Dimensions (H x W x D) | 23.8 cm x 13.5 cm x 2.0 cm |
| Net Weight | 0.24 kg / 0.53 lbs |
Compatibility Data
| Compatible Component | Model / Part Number | Role within Architecture | Compatibility Notes |
|---|---|---|---|
| Control Firewall IOTA | CC-TCF901 / DC-TCF901 | Input/Output Termination Assembly | Required carrier base for physical mounting and external wiring termination. |
| C300 Controller | CC-PCNT01 / CC-PCNT02 | Central Processing Node | Connects directly via downlink FTE ports for dedicated, firewall-protected control traffic. |
| Series C I/O Modules | CC-PFB401 / CC-PAIH01 / etc. | Process Input / Output Nodes | Interfaced directly via downlink channels to handle field instrumentation loop commands. |
| FTE Bridge Module | CC-TFB401 / CC-FIMB01 | Fieldbus Network Interface | Bridges local foundation fieldbus traffic into the secure FTE loop managed by the CF9 module. |
| Experion Software Release | R300 through R5xx | System Control Software | Fully compatible across multiple legacy and contemporary Experion PKS system releases. |
Expert Engineer’s Guide By NDMarineTech:
- POST Diagnostic Verification: During startup or a hot-swap replacement, watch the module’s LEDs closely. The Power LED should instantly turn green, followed by a brief red indicator on the Status LED. This red light means the Power-On Self Test (POST) is actively running. Once it finishes successfully, it changes to steady green, and the FTE port lights will begin blinking as traffic routes.
- Handle with Care During Hot Swapping: While the CC-PCF901 supports online replacement without removing the underlying CC-TCF901 IOTA base, always ground yourself with an ESD wrist strap before handling. Onboard environments are highly prone to static buildup, and protecting the delicate rear backplane pins keeps the internal circuitry safe.
- Inspect the IOTA Pins: If you are swapping an old module out for this new unit due to unexpected connection drops, take a bright light and inspect the IOTA carrier pins for signs of salt-air corrosion or oxidation before clicking the new module into place.
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