Honeywell MC-PSRX04 51404174-275: Experion MX Power Supply Module Specs & Availability

Technical Dossier

Product Details And Specifications

Honeywell MC Series: Comprehensive Module Range and Technical Overview

The Honeywell MC Series constitutes the core I/O and power infrastructure of the Experion MX Distributed Control System (DCS) platform — Honeywell's mid-range process automation architecture deployed across global heavy industry verticals including petrochemical refineries, offshore platforms, nuclear auxiliary systems, pulp and paper mills, and pharmaceutical batch processing facilities. The MC Series backplane-based architecture supports hot-swap module replacement, redundant power topologies, and deterministic scan cycles, making it a preferred choice for Safety Instrumented System (SIS) adjacent applications where uptime is non-negotiable. Installed base estimates place Experion MX deployments in thousands of facilities across North America, Europe, and Asia-Pacific, with many sites operating hardware commissioned between 2005 and 2018 now entering the extended lifecycle maintenance phase.

The Evolution of MC Series Architecture

The MC Series traces its lineage to Honeywell's legacy FSC (Fail Safe Controller) and TDC 3000 platforms, with the Experion MX generation introduced in the early 2000s as a scalable successor. Early MC Series hardware (circa 2003–2008) relied on a 24 VDC distributed power bus with non-redundant supply configurations. The mid-generation revision (2009–2014) introduced the PSRX redundant power supply family — including the MC-PSRX04 (51404174-275) — which enabled N+1 redundancy without chassis modification. Post-2015 hardware revisions added enhanced diagnostics via the MC-TDPR01 termination panel and tighter integration with Experion PKS supervisory layers. As of 2024, Honeywell has transitioned new project specifications toward the Experion PKS Series C and Safety Manager SC platforms; however, the MC Series remains in active production support through Honeywell's Extended Lifecycle Program (ELP), with spare parts availability confirmed through authorized distributors and specialist suppliers such as DriveKNMS through at least 2030.

MC Series Full Catalog & Functionalities (SKU List)

Power Supply Modules

• MC-PSRX04 / 51404174-275: Redundant 24 VDC power supply module, 40 W output, hot-swap capable, N+1 redundancy support for Experion MX chassis.
• MC-PSRX02 / 51404174-150: Standard 24 VDC non-redundant power supply, 20 W, single-slot form factor for low-density I/O racks.
• MC-PSRX03 / 51404174-200: Enhanced power supply with extended temperature range (-20°C to +70°C), suited for outdoor enclosure deployments.

CPU / Controller Modules

• MC-CONT02 / 51304516-150: Primary process controller, dual-port Ethernet, 256 MB RAM, supports up to 2,000 I/O points per node.
• MC-CONT03 / 51304516-200: Redundant controller module, paired with MC-CONT02 for bumpless transfer on fault detection.
• MC-TDPR01 / 51305476-175: Termination and diagnostic panel, provides loop integrity monitoring and field wiring termination for MC chassis.

Analog Input (AI) Modules

• MC-PAIH03 / 51304453-175: 8-channel analog input, 4–20 mA HART-enabled, 16-bit resolution, supports NAMUR NE43 fault detection.
• MC-PAIH02 / 51304453-150: 8-channel analog input, non-HART, 4–20 mA, 12-bit resolution, standard process measurement.
• MC-PAOY22 / 51304443-175: 8-channel analog output, 4–20 mA HART, 16-bit resolution, loop-powered with open-loop detection.

Digital Input (DI) Modules

• MC-PDIY22 / 51304362-175: 32-channel 24 VDC digital input, isolated, 1 ms scan, suitable for high-density discrete sensing.
• MC-PDIY12 / 51304362-150: 16-channel 24 VDC digital input, non-isolated, standard logic level detection.
• MC-PDOX22 / 51304372-175: 32-channel 24 VDC digital output, solid-state, 0.5 A per channel, short-circuit protected.

Communication & Network Modules

• MC-ENET01 / 51304686-150: Dual-port 100 Mbps Ethernet adapter, supports Modbus TCP and OPC DA/UA gateway functions.
• MC-ENET02 / 51304686-200: Redundant Ethernet module with RSTP support, designed for ring topology fault-tolerant networks.
• MC-FFIC01 / 51304700-150: FOUNDATION Fieldbus H1 interface card, supports up to 16 FF devices per segment, integrated power conditioner.
• MC-PBUS01 / 51304710-175: Profibus DP master module, supports up to 125 slave devices, 12 Mbps maximum baud rate.

Sourcing Hard-to-Find & Obsolete MC Series Parts

As the Experion MX platform matures, procurement teams increasingly encounter extended lead times, minimum order quantity constraints from OEM channels, and outright discontinuation notices for specific MC Series part numbers. DriveKNMS maintains a dedicated inventory buffer for MC Series modules sourced through certified secondary market channels, including decommissioned plant asset liquidations and authorized distributor overstock. All units are subject to provenance verification prior to listing. For end-of-life (EOL) modules where new manufacture has ceased, DriveKNMS provides refurbished-to-specification units with full functional test reports, enabling facilities to defer costly platform migrations and extend operational life by 5–10 years. Customers operating under ISA-84 or IEC 61511 functional safety frameworks are advised to request full traceability documentation, which DriveKNMS supplies upon request for safety-critical applications.

Quality Control for the MC Series Range

MC Series modules present specific test challenges due to their backplane bus architecture and multi-layer communication protocols. DriveKNMS employs a structured test protocol for all MC Series inventory:

• Backplane Continuity Test: Each module is seated in a reference chassis and bus signal integrity is verified across all 96 backplane pins using a Keysight U1733C LCR meter and custom bus load fixture.
• Power Supply Load Test: For PSRX-family modules (including MC-PSRX04), output voltage stability is measured under 25%, 50%, 75%, and 100% rated load conditions. Ripple must remain below 50 mV peak-to-peak.
• Firmware Version Verification: Controller and communication modules are connected to an isolated Experion MX test node running Honeywell Control Builder R500 to confirm firmware compatibility and absence of corrupted configuration data.
• HART Loop Simulation: AI/AO HART modules are tested against a Beamex MC6 calibrator to verify 4–20 mA linearity and HART command response (CMD 0, 1, 3).
• Thermal Burn-In: All refurbished modules undergo a 48-hour burn-in at 50°C ambient to screen for latent component failures prior to shipment.