Description
The ABB 3BSE018157R6 PM861AK01 is a processor unit controller module designed for ABB AC 800M automation systems and System 800xA control platforms. It serves as the central processing unit of the controller system, executing application logic, managing communication, and coordinating connected I/O and field devices.
The PM861AK01 package includes the PM861A CPU module together with the TP830 baseplate, TB850 CEX-Bus terminator, TB807 ModuleBus terminator, TB852 RCU-Link terminator, and memory backup battery. It is commonly used in industrial process control, power generation, manufacturing, and infrastructure automation applications.
The controller supports ABB Control Builder programming, Ethernet communication, CEX-Bus expansion, ModuleBus communication, and CPU redundancy configurations for high-availability automation systems.
Product Specifications
| Specification | Details |
|---|---|
| Brand | ABB |
| Model | 3BSE018157R6 |
| ABB Type Designation | PM861AK01 |
| Series | AC 800M / System 800xA |
| Product Name | Processor Unit / Controller Module |
| Module Type | Central Processing Unit (CPU) |
| Controller Platform | ABB AC 800M |
| Application | Industrial automation, DCS, process control |
| Processor Type | PM861A CPU |
| Clock Frequency | 48 MHz |
| Application Memory | 16 MB |
| RAM Available for Application | Approx. 7.155 MB |
| Communication Interfaces | Ethernet, Serial Ports, CEX-Bus |
| Ethernet Ports | 2 × RJ45 Control Network Ports |
| Serial Ports | COM3 RS-232C, COM4 configuration interface |
| Redundancy Support | CPU, CEX-Bus, communication interfaces and S800 I/O redundancy support |
| Mounting Type | DIN Rail Mounting |
| Included Accessories | TP830 Baseplate, TB850, TB807, TB852, Battery |
| Power Supply | 24 VDC system supply |
| Place of Manufacture / Origin | China / USA |
| Product Status | New Surplus / Original New |
| Dimensions | Approx. 185 × 115 × 127 mm |
| Weight | Approx. 1.1 kg |
| Country of Origin | China / USA |
| Discontinued | No (Classic AC 800M product family) |
Key Features
⚙️ High-Performance AC 800M Processing
Provides real-time execution of control applications, logic processing, and communication management for ABB automation systems.
⚙️ System 800xA Integration
Designed for ABB System 800xA environments and AC 800M controller architectures.
⚙️ Redundant Control Capability
Supports redundant CPU configurations, communication interfaces, and S800 I/O systems for improved system availability.
⚙️ Flexible Communication Architecture
Includes Ethernet control network connections, serial communication ports, and CEX-Bus expansion capability.
⚙️ Complete Controller Package
Supplied with required baseplate, terminators, and memory backup battery for installation in compatible systems.
Typical Applications
• ABB System 800xA DCS systems
• AC 800M process control applications
• Power generation automation
• Oil & gas process control
• Chemical and pharmaceutical plants
• Marine automation systems
• Manufacturing production lines
• Industrial utility control systems
Frequently Asked Questions
❓ Q: What is ABB PM861AK01 3BSE018157R6 used for?
A: It is the central processor unit of an ABB AC 800M control system, responsible for executing control programs and managing system communication.
❓ Q: What systems are compatible with PM861AK01?
A: It is designed for ABB AC 800M controllers and System 800xA automation platforms.
❓ Q: Does 3BSE018157R6 include the baseplate?
A: Yes. The PM861AK01 package includes the TP830 baseplate and required terminators.
❓ Q: Can PM861AK01 support redundant systems?
A: Yes. The controller supports redundancy configurations including CPU and communication redundancy.
❓ Q: What programming software is used with this controller?
A: ABB Control Builder is used for configuring and programming AC 800M controllers.
❓ Q: Is PM861AK01 compatible with PM864AK01 or PM865 controllers?
A: These are all AC 800M processor modules, but replacement compatibility depends on application requirements, firmware version, configuration, and system design.
Recommended ABB Related Models
- ABB PM861AK01 3BSE018157R1 – AC 800M Processor Unit
Standard PM861AK01 processor unit version for AC 800M systems. - ABB PM861AK02 3BSE018157R2 – Redundant Processor Unit
AC 800M controller version supporting redundant CPU configurations. - ABB PM864AK01 3BSE018161R1 – AC 800M Processor Unit
Higher-performance processor module for advanced control applications. - ABB PM865K02 3BSE031151R1 – AC 800M High Performance Controller
Advanced AC 800M processor solution. - ABB PM866K01 3BSE050198R1 – AC 800M Processor Unit
Controller module for larger automation applications. - ABB PM867K01 3BSE043256R1 – High Integrity Controller
Controller designed for demanding industrial applications. - ABB CI854AK01 3BSE030220R1 – PROFIBUS DP Interface Module
Communication interface for PROFIBUS networks. - ABB CI855K01 3BSE018106R1 – MB300 Interface Module
Interface module for ABB MB300 legacy system integration. - ABB CI856K01 3BSE026055R1 – S100 I/O Interface Module
Communication module for ABB S100 I/O systems. - ABB CI867K01 3BSE043660R1 – Modbus TCP Interface Module
Ethernet communication module. - ABB AI835 3BSE008520R1 – Analog Input Module
Analog measurement module for AC 800M systems. - ABB AO845A 3BSE023675R1 – Analog Output Module
Analog output interface module. - ABB DI840 3BSE020836R1 – Digital Input Module
Digital input module for S800 I/O systems. - ABB DO810 3BSE008510R1 – Digital Output Module
Digital output module for industrial control applications. - ABB TU860 3BSE032616R1 – Module Termination Unit
S800 I/O connection and termination component.
