The Honeywell 51404170-175, also cataloged as the 51404170-175 Power System Cage, operates as a dedicated hardware component for structural hosting and power distribution within Honeywell distributed control system enclosures. The Revision A industrial frame establishes physical card slots and multi-rail backplane bus paths utilized to mount and interconnect high-density power supply units and monitoring blocks.
Hardware Specifications
Parameter
Specification
Model
51404170-175
Brand
Honeywell
Revision
Revision A
Origin
United States (USA)
Weight
19.00 lbs (8.62 kg)
Dimensions
Standard multi-slot power chassis envelope profile
Operating Temp
0 to +60 deg C (Standard industrial control cabinet limits)
Power Consumption
Pass-through layout (High-amperage internal distribution bus traces)
Environmental Armor
Conformal coated (C/C) circuit board assemblies
Module Classification
PLCs / Machine Control Power Chassis
Honeywell DCS Integrated Signal Processing
4-20 mA HART Loop Protocol Auxiliary Power Routing: The heavy-duty backplane trace matrix channels regulated DC voltage across the chassis slots. This stable voltage foundation drives the distributed I/O modules that supply analog current loops, ensuring noise-free power delivery to field transmitters executing 4-20 mA HART loop protocol diagnostics.
Channel-to-Channel Isolation Support: The structural metal dividers of the cage framework reinforce the channel-to-channel isolation distances between adjacent hot-swappable power modules. This physical isolation prevents localized component failures, thermal overloads, or output short circuits on one power block from disrupting parallel backplane supply lines.
Frequently Asked Questions
Q: What protection metrics are provided by the Revision A Conformal Coating (C/C) designation?
A: The factory-applied conformal coating provides a non-conductive barrier across the internal backplane traces. This layer protects the copper power paths from moisture condensation, airborne dust accumulation, and minor chemical contaminants common in harsh industrial environments.
Q: Can power supply modules be extracted from the cage while the system is under load?
A: Yes, if the power system cage is configured in a redundant topology where parallel modules are sharing the load. The remaining active power modules will immediately assume the full current load without causing a voltage drop or inducing a system control loop timeout.
