MAN B&W 3157167-5.1 Master Control Unit

MAN B&W 3157167-5.1 PCB Master Control Unit

The MAN B&W 3157167-5.1 Master Control Unit (MCU) is a core processing printed circuit board assembly engineered specifically for MAN B&W marine low-speed two-stroke diesel engines. Acting as the computational and communication hub within the engine control architecture, this module processes critical sensor inputs, executes embedded control algorithms, and manages actuation commands for fuel injection, exhaust valve timing, and start-stop sequencing. Manufactured to rigorous maritime specifications by designated electronics partners (such as Weso), this unit ensures precise synchronization, high noise immunity against severe marine engine vibrations, and uninterrupted communication across the ship’s engine control network.

Model Details

• Manufacturer: MAN B&W (MAN Diesel & Turbo)
• Component Type: Master Control Unit (MCU) / Processing PCB
• Manufacturer Part Number (MPN): 3157167-5.1 (Alternate/Base: 3157167-5)
• Board Revision/Version: Rev. 1.2 / Rev. 1.4 variants
• PCB Sub-Identifier / COI Codes: COI 492-A / COI 518-A / COI 579-A
• Production Drawing (P.D.) Number: 15.0009.0

Technical Specifications

Compatible Equipment Models

• MAN B&W Engine Types: L-MC/MC-C, S-MC/MC-C, and ME/ME-C series electronic low-speed marine diesel engines.
• Associated Control Systems: MAN CoCoS (Computer Controlled Surveillance) and auxiliary engine management interface racks.
• Rack Integration Slots: Standard MAN electronic cabinet backplanes requiring MCU module designation 3157167-5 series architecture.

Key Features

1. High-Reliability Processing: Engineered to handle complex real-time deterministic calculations required for precise two-stroke engine governing and timing.
2. Marine-Grade Hardening: Built with conformal coating protection against saline moisture, high humidity, sulfur deposits, and oil mist typical of ship engine rooms.
3. Plug-and-Play Architecture: Standardized slot insertion layout allows fast swap-out during maintenance windows to minimize vessel downtime.
4. Diagnostic LED Indicators: On-board status arrays display power, communication traffic, and error codes for rapid troubleshooting by ship engineers.
5. Strict Quality Compliance: Manufactured under strict quality guidelines meeting primary marine classification society standards.

Applications

• Marine propulsion engine control and remote monitoring systems.
• Main switchboard interface processing for low-speed diesel automation.
• Cylinder lubrication and fuel timing management sub-racks.
• Shipboard retrofit, overhaul, and emergency spare inventory for commercial cargo and container vessels.

Part Number Cross-References

• Base Part Number: 3157167-5
• Full Assembly Variant: 3157167-5.1
• Associated Manufacturing Codes: WESO 94V-0, COI 492-A, COI 518-A, COI 579-A, P.D. No. 15.0009.0

Frequently Asked Questions

What is the primary function of the MAN B&W 3157167-5.1 unit onboard?

It serves as the central processing Master Control Unit (MCU) responsible for managing core logic, data processing, and timing operations within the MAN B&W marine diesel engine control system architecture.

Can I use a reconditioned 3157167-5.1 PCB safely in critical engine rooms?

Yes. Reconditioned units are comprehensively bench-tested under simulated operational voltages and thermal loads to guarantee stable performance equivalent to OEM standards before deployment.

How do I verify if my current module variant matches this part number?

Check the metal or silk-screened label on your existing rack card for the base designation 3157167-5 or 3157167-5.1, alongside matching COI production numbers (such as 492-A or 518-A).

What is the typical lead time for urgent vessel-in-port deliveries?

Stocked items generally dispatch within 24 hours, with expedited air-freight options arranged to reach global ports promptly.