Description

Honeywell MC-PSRX04 Redundant PM Power System Assembly

Configured for redundant DC power distribution in Honeywell TDC 3000 and High-Performance Process Manager (HPM) platforms, the Honeywell MC-PSRX04 (51404174-275) (MC-PSRX04 Redundant PM Power System Assembly) provides direct electrical power conditioning and load-sharing execution for Process Manager I/O (PMIO) and Universal Control Network (UCN) systems.

Hardware Specifications

Parameter	Specification
Model	MC-PSRX04
Part Number	51404174-275
Brand	Honeywell
Product Type	Redundant PM Power System Assembly
System Compatibility	Honeywell TDC 3000 / TPS / HPM Systems
Origin	United States
Weight	Approximately 0.5 kg to 1.0 kg depending on configuration components
Operating Temp	-40 deg C to +70 deg C
Storage Temp	-40 deg C to +85 deg C
Relative Humidity	5% to 95% non-condensing
Input Voltage Range	85 to 264 VAC
Output Voltage	24 VDC
Output Current	16 A / 20 A per output in redundant load-sharing configuration
Power Consumption	Dependent on connected load and installed power supply modules
Efficiency	Typically 90%
Coating Type	Conformal Coated (CC)
Power Supply Configuration	Dual hot-swappable silver-faced power supplies
Assembly Components	Power supply housing 51404170-175 with compatible power modules

DCS Power Distribution and Isolation Characteristics

The MC-PSRX04 assembly provides redundant AC-to-DC power conversion for Honeywell process control hardware. Moreover, the dual power supply arrangement supports load-sharing operation and maintains DC output availability when one supply module requires removal or replacement.

Honeywell PMIO power architectures require stable DC distribution for I/O subsystem operation. Therefore, the MC-PSRX04 uses independent power supply modules to reduce interruption risk during power module maintenance activities.

The conformal coating protects circuit assemblies against moisture, dust, and industrial contaminants. In addition, the assembly design supports installation in control environments where electrical continuity and environmental protection requirements apply.

For Honeywell process instrumentation interfaces, the power subsystem supports isolated channel architectures used with analog and digital I/O modules. The assembly operates as a supporting hardware element rather than a signal processing module, while maintaining the required supply conditions for connected PMIO equipment.

Frequently Asked Questions

Q: Does the MC-PSRX04 support redundant power module replacement during system operation?
A: The assembly is designed with dual power supply modules for redundant operation. Hot-swapping capability depends on the installed power supply model and system maintenance procedures.

Q: What type of environmental protection does the MC-PSRX04 provide?
A: The assembly uses conformal coating to protect internal electronic circuits from humidity, moisture, and industrial contaminants.

Q: Can the MC-PSRX04 operate with Honeywell TDC 3000 and HPM systems?
A: Yes. The module is specified for Honeywell TDC 3000, TPS, and High-Performance Process Manager system environments.

Field Installation Guidelines

• Verify the installed power supply modules match the MC-PSRX04 assembly configuration before mounting.
• Install the assembly in a controlled cabinet environment with proper ventilation and mechanical support.
• Confirm AC input wiring follows site electrical standards before energizing the power system.
• Maintain separation between AC power wiring and low-level instrumentation signal cables to reduce electrical interference.
• Connect protective grounding according to cabinet grounding requirements and Honeywell installation documentation.
• Inspect connector conditions before installation and ensure all power module interfaces are fully seated.
• Apply maintenance procedures defined for redundant power systems before removing or replacing supply modules.

Specifications

• Brand: Honeywell

Advantages

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