Description
ABB PM581-ETH C2 CENTRAL PROCESSING UNIT 256KB ETHERNET 1SAP140100R0170 (USED)
ABB GROUP
PM581-ETH C2
CENTRAL PROCESSING UNIT 256KB ETHERNET
1SAP140100R0170
24VDC, 2XSERIAL, FBP, DISPLAY, SD SLOT
MADE IN GERMANY
REF.NO: FKM11466
The ABB PM581-ETH C2 is a compact programmable logic controller (PLC) central processing unit from ABB’s AC500 automation platform. Featuring 256KB program memory, integrated Ethernet connectivity, dual serial ports, fieldbus plug (FBP) capability, an onboard display, and an SD card slot, this CPU is widely deployed in marine and industrial automation systems. Onboard vessels, it serves as the core controller for machinery automation, power management, cargo handling, and HVAC systems, ensuring reliable real-time process control in demanding maritime environments.
Key Features
✓ 256KB program memory with Ethernet (TCP/IP) communication for networked automation architectures
✓ Dual serial interfaces and fieldbus plug (FBP) support for flexible device integration
✓ Integrated LCD display for local diagnostics, status monitoring, and parameter access
✓ SD card slot for program backup, data logging, and firmware updates
✓ 24VDC power supply input — standard for marine switchboard and control panel installations
Marine Applications
Vessel machinery automation and engine room monitoring systems
Power management and generator control on merchant and offshore vessels
Cargo handling, ballast, and tank management system control
HVAC, ventilation, and auxiliary system automation onboard ships
Integrated alarm, monitoring, and safety shutdown systems
Why Marine Engineers Choose
The ABB PM581-ETH C2 is a proven, field-tested CPU trusted across global fleets for its reliability, compact form factor, and seamless integration within ABB AC500-based automation networks. Its Ethernet and serial connectivity options make it adaptable to both legacy and modern vessel control architectures, reducing downtime and simplifying maintenance for marine engineers worldwide.
Ideal For
Bulk carriers, tankers, container ships, offshore platforms, cruise vessels, ferries, LNG/LPG carriers, naval vessels, and any marine or offshore installation utilising ABB AC500 automation systems.
Technical Support & Compliance
We provide complete support solutions including remote troubleshooting, onboard technical assistance, testing and commissioning, repair services, retrofit and upgrade consultation, and full integration support for ABB AC500 platform controllers. To confirm compatibility with your specific system, please share nameplate photographs, part numbers, relevant drawings, system model and software version, vessel name and IMO number, and project scope. All compatibility and technical specifications are subject to confirmation based on your vessel’s installed configuration.




