Description
The ABB PM511V16 3BSE011181R1 is a compact yet powerful central processing unit (CPU) module within ABB’s AC 800M programmable automation controller (PAC) family, designed for small to medium-scale industrial automation applications. As a non-redundant controller in the AC 800M platform, the ABB PM511V16 3BSE011181R1 delivers robust real-time control performance with integrated communication capabilities, making it ideal for standalone systems or as a local controller in distributed architectures. It features 16 MB of user program memory, sufficient for complex logic, motion coordination, and data handling tasks commonly found in water/wastewater, energy distribution, and light process industries.
Fully compatible with ABB’s System 800xA and engineered using the Control Builder M development environment, the ABB PM511V16 3BSE011181R1 supports IEC 61131-3 programming languages and enables seamless integration with both local I/O modules and remote stations via Profibus DP, Modbus, or Ethernet. Its built-in serial port (RS-232/RS-485) and 10/100 Mbps Ethernet interface eliminate the need for additional communication cards in basic configurations, reducing cost and footprint. Despite being a cost-effective solution, the ABB PM511V16 3BSE011181R1 maintains the same software compatibility and diagnostic depth as higher-end AC 800M CPUs, ensuring scalability and long-term maintainability across diverse industrial environments.
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | PM511V16 3BSE011181R1 |
| Manufacturer | ABB |
| Product Type | AC 800M Central Processing Unit (Non-Redundant) |
| Program Memory | 16 MB |
| Execution Speed | 0.15 µs per Boolean instruction |
| Built-in Communication Ports | 1× RS-232/RS-485 (configurable), 1× 10/100 Mbps Ethernet |
| Supported Protocols | Modbus RTU/TCP, MasterBus 300 (via add-on modules), Profibus DP (with CI854) |
| Max. Local I/O Modules | Up to 12 in baseplate (e.g., TB510/TB520) |
| Operating Temperature | 0°C to +60°C |
| Power Consumption | Approx. 5 W |
| Mounting | DIN rail in AC 800M I/O base (TB510/TB520) |
| Programming Environment | Control Builder M (part of System 800xA) |

ABB PM511V16 3BSE011181R1
Main Features and Advantages
Cost-effective performance for mid-range automation
The ABB PM511V16 3BSE011181R1 strikes an optimal balance between functionality and affordability. With 16 MB of program memory and fast scan times, it handles applications that exceed the capacity of compact PLCs but don’t require full redundancy—such as pump station control, boiler sequencing, or batch processing units. Its native support for IEC 61131-3 languages (including Structured Text and Function Block Diagram) allows engineers to implement sophisticated control strategies without external co-processors.
Integrated communication reduces hardware complexity
Unlike many entry-level controllers that require add-on modules for networking, the ABB PM511V16 3BSE011181R1 includes both Ethernet and serial ports on-board. This enables direct connection to HMIs, SCADA systems, drives, and legacy devices—streamlining system design and lowering total cost of ownership. The Ethernet port supports standard TCP/IP services and can be used for engineering access, data logging, or Modbus TCP client/server roles.
Seamless ecosystem integration within System 800xA
As part of the AC 800M family, the ABB PM511V16 3BSE011181R1 benefits from full compatibility with ABB’s unified engineering and operations platform. All diagnostics, alarms, and variable tags are automatically synchronized into System 800xA, enabling consistent asset management from the field to the enterprise. This eliminates data silos and simplifies operator training, maintenance, and cybersecurity compliance.
Scalable architecture for future expansion
Although non-redundant, the ABB PM511V16 3BSE011181R1 can communicate with remote I/O stations and higher-tier controllers, allowing phased upgrades. Users can start with a single-unit system and later integrate it into a larger 800xA network—protecting initial investment while maintaining architectural consistency.
Application Field
The ABB PM511V16 3BSE011181R1 is widely deployed in applications where reliability, ease of integration, and moderate computational power are required. In municipal water and wastewater treatment plants, it controls filtration cycles, chemical dosing, and lift station pumps—often communicating with flow meters and level sensors via Modbus RTU over its built-in serial port. In district heating and combined heat & power (CHP) facilities, the ABB PM511V16 3BSE011181R1 manages boiler sequencing, temperature regulation, and safety interlocks, leveraging its fast logic execution for responsive thermal control.
In light manufacturing and packaging lines, the module coordinates conveyor motors, fillers, and cappers using discrete I/O and timing logic, while its Ethernet port provides production data to supervisory systems. Renewable energy projects—such as small hydro or biomass plants—also utilize the ABB PM511V16 3BSE011181R1 for turbine start/stop sequences and grid synchronization monitoring. Additionally, in retrofit scenarios, the ABB PM511V16 3BSE011181R1 replaces aging PLCs from other vendors due to its open protocol support and modern engineering environment, significantly extending the life of existing infrastructure without full system overhaul.

ABB PM511V16 3BSE011181R1
Related Products
ABB PM511V08 (3BSE011180R1): Lower-memory variant with 8 MB program space; suitable for simpler applications
ABB PM512V16 (3BSE011182R1): Functionally identical but includes enhanced firmware for specific legacy compatibility
ABB PM864A (3BSE037430R1): Higher-performance, redundant-capable CPU for critical processes
ABB TB510 / TB520: Required terminal bases for mounting thePM511V16 and connecting I/O modules
ABB CI535V30 (3BSE022162R1): High-speed serial module for connecting excitation systems or fast drives
ABB CI541V1 (3BSE014666R1): Ethernet-to-serial gateway for integrating legacy devices via Modbus TCP
ABB AO810 / DI810: Analog output and digital input modules commonly used alongside thePM511V16
ABB Control Builder M: Official programming and configuration software for all AC 800M CPUs



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