Technical Specifications

The 3157168-7 is a core master control component, designated as a System Bus Unit (SBU), within the MAN B&W electronic engine control architecture. This module is responsible for managing the high-speed communication bus that interconnects various Cylinder Control Units (CCUs) and the Multi-Purpose Controllers (MPCs) across the engine network. By coordinating data traffic and ensuring synchronized signal distribution, the SBU facilitates precise fuel injection timing, exhaust valve actuation, and overall engine performance monitoring, making it vital for the reliable operation of large-bore two-stroke marine engines.

Product Q&A

Q: What is the primary role of the SBU module in the MAN B&W ME-series engine? A: The SBU acts as the central communication hub for the system bus, ensuring that timing signals and operating commands from the master control system are delivered to individual cylinder controllers with microsecond precision.

Q: Can the 3157168-7 be used interchangeably across different ME engine bores? A: While the hardware 3157168-7 is a standardized SBU module, the internal software and configuration must be flashed to match the specific engine type (e.g., S50ME, G70ME) and the vessel’s automation requirements.

Recommended Stock Items

• MAN B&W | 3157144-8 MPC Module
• MAN B&W | 3157152-0 CCU Module
• ABB | 3BHE039203R0101
• ABB | PM866K01 3BSE050198R1
• General Electric | IS220PDIAH1B
• General Electric | DS200FCGDH1BCA
• Triconex | 3625 Digital Output
• Triconex | 3721 Analog Input
• Bently Nevada | 3500/22M 138607-01
• Bently Nevada | 3500/42M 176449-02
• Honeywell | CC-PFB401
• Schneider Electric | Modicon 140CPU67160