Description

Honeywell 51405047-176 Network Interface Modules

Configured for deterministic network segmentation in Honeywell C9 control architectures, the Honeywell 51405047-176 (CC-PCF901 Control Firewall Module) provides direct physical/electrical execution of port-level communication isolation across industrial control network boundaries. The module implements multi-port Ethernet segmentation with defined uplink aggregation within a 24 VDC powered backplane environment.

Suffix Breakdown & Model Matrix

The model 51405047-176 corresponds to a fixed-order Honeywell spare assembly designation. The base model CC-PCF901 is not subdivided into published suffix functional variants; no verified factory-documented decoding structure is available for further segmentation.

Hardware Specifications

Parameter	Specification
Model	51405047-176 / CC-PCF901
Brand	Honeywell
Origin	USA
Weight	0.32 kg
Dimensions	5.5 x 16.2 x 14.5 cm
Operating Temp	Industrial control cabinet range (typ. 0 to 60 deg C, not officially stated)
Power Consumption	0.112 A @ 24 VDC (approx. 2.7 W)
Port Configuration	9 Ethernet ports (8 + 1 uplink)
Supply Voltage	24 VDC
Status	Discontinued by manufacturer

Honeywell Control Network Isolation Characteristics

The CC-PCF901 architecture integrates deterministic segmentation behavior using per-port traffic separation and controlled forwarding logic within Honeywell distributed control environments. Electrical design emphasizes channel-to-channel isolation between Ethernet switching domains and backplane-linked control segments, limiting propagation of non-deterministic traffic across control layers.

The module operates under a fixed 24 VDC supply rail and maintains consistent current draw behavior under nominal switching loads. Internal design aligns with industrial process control communication frameworks where segmentation integrity is prioritized over dynamic routing flexibility.

Frequently Asked Questions (FAQ)

Q: Does the 51405047-176 support hot-swap replacement during operation?
A: No confirmed hot-swap capability is documented. Replacement is typically performed under controlled cabinet power-down conditions to avoid backplane communication disruption.

Q: What is the backplane communication dependency of the CC-PCF901 module?
A: The module relies on system-integrated backplane signaling for control-plane synchronization. Loss of backplane integrity may result in port isolation state retention.

Q: Are firmware upgrades supported on this module?
A: No field-upgradable firmware interface is specified for this device class; functionality is fixed at factory configuration level.

Field Installation Guidelines

The module shall be installed in a grounded industrial control cabinet with standardized DIN rail or chassis mounting as defined by the Honeywell C9 hardware frame. Maintain minimum separation from high-noise switching devices and VFD cabling to reduce electromagnetic coupling into Ethernet signal pairs.

Ensure 24 VDC supply lines are protected with appropriate overcurrent limiting and routed separately from high-energy conductors. Shield termination should be implemented at cabinet ground reference only, avoiding multiple grounding points along communication cable shields. Verify port labeling prior to energization to prevent misrouting of uplink and access ports.

Specifications

• Brand: Honeywell

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems